Division A
Compliance, Objectives and Functional Statements

Acceptable means acceptable to the Chief Building Official.

Acceptable equivalency means:

1. that the person proposing to use a plumbing fixture that does not conform with the specifications in this By-law must, at their expense, ensure that
   1. an independent qualified third party tests the plumbing fixture and documents that the plumbing fixture meets or exceeds the specifications of this By-law,
   2. the test procedures and documented results are reviewed and verified by an independent qualified registered professional,
   3. copies of all test procedures, documented results and verification reports are provided to the Chief Building Official, and
2. the test procedures, documented results and verification are acceptable.

Accepted means accepted by the Chief Building Official.

Addition means an alteration to any building which will increase the total aggregate floor area or the building height (in storeys).

Additional circuit vent means a vent pipe that is installed between a circuit vent and a relief vent to provide additional air circulation.

Air admittance valve means a one-way valve designed to allow air to enter the drainage system when the pressure in the plumbing system is less than the atmospheric pressure. (See Appendix Note A-2.2.10.16.(1) of Division B.)

Air break means the unobstructed vertical distance between the lowest point of an indirectly connected soil-or-waste pipe and the flood level rim of the fixture into which it discharges. (See Appendix Note A-2.3.3.11.(2) of Division B.)

Air gap means the unobstructed vertical distance through air between the lowest point of a water supply outlet and the flood level rim of the fixture or device into which the outlet discharges. (See Appendix Note A-2.6.2.9.(2) of Division B.)

Air space parcel has the meaning assigned to it by the Land Title Act of British Columbia.

Air-supported structure means a structure consisting of a pliable membrane which achieves and maintains its shape and support by internal air pressure.

Alloyed zinc means an alloy of zinc having the corrosion resistance and physical properties of an alloy containing 0.15% titanium, 0.74% copper and 99.11% zinc, and so tempered as to be capable of being formed into the shape required for a watertight joint.

Alteration means a change or extension to any matter or thing or to any occupancy regulated by this By-law.

Apprentice means a regularly indentured apprentice under the provisions of the Industry Training Authority Act of British Columbia.

Approved (as used in Book II) means accepted.

Area of refuge means a space that facilitates a safe delay in egress, is sufficiently protected from fire conditions developing in the floor area, and provides direct access to an exit or firefighters' elevator.

Artist Live/Work Studio means an Artist Studio and a Residential Unit associated with and forming an integral part of an Artist Studio, as defined in the Zoning and Development By-law.

Artist studio — Class A means Artist studio-Class A as defined in the Zoning and Development By-law.

Artist studio — Class B means Artist studio-Class B as defined in the Zoning and Development By-law.

Arts and culture indoor event means an event of an artistic or cultural nature, including but not limited to visual, performing, media, literary, craft or interdisciplinary arts, for a maximum of 250 persons, with or without liquor service, which occurs not more than three days per month in a building or portion of a building not approved for assembly occupancy.

Assembly occupancy means the occupancy or the use of a building, or part thereof, by a gathering of persons for civic, political, travel, religious, social, educational, recreational or like purposes, or for the consumption of food or drink.

Auxiliary water supply means any water supply on or available to the premises other than the primary potable water supply. (See Appendix A.)

Backflow means a flowing back or reversal of the normal direction of the flow.

Backflow preventer means a device or a method that prevents backflow. (See Figure A-1.4.1.2.(1)-D in Appendix A.)

Back pressure means pressure higher than the supply pressure.

Back-siphonage means backflow caused by a negative pressure in the supply system. (See Figure A-1.4.1.2.(1)-E in Appendix A.)

Back-siphonage preventer (or vacuum breaker) means a device or a method that prevents back-siphonage. (See Figure A-1.4.1.2.(1)-F in Appendix A.)

Backwater valve means a check valve designed for use in a gravity drainage system.

Bathroom group means one lavatory basin, one water closet and one bathtub or maximum 2 head shower drain.

Branch means a soil-or-waste pipe connected at its upstream end to the junction of 2 or more soil-or-waste pipes or to a soil-or-waste stack, and connected at its downstream end to another branch, a sump, a soil-or-waste stack or a building drain. (See Figure A-1.4.1.2.(1)-I in Appendix A.)

Branch vent means a vent pipe that is connected at its lower end to the junction of 2 or more vent pipes, and at its upper end, either to another branch vent or to a stack vent, vent stack or vent header, or terminates in open air. (See Figure A-1.4.1.2.(1)-G in Appendix A.)

Building means any structure used or intended for supporting or sheltering any use or occupancy, including any float home or marina and any retaining structures greater than 1.2 m in height.

Building drain means the lowest horizontal piping, including any vertical offset, that conducts sewage, clear-water waste or storm water by gravity to a building sewer. (See Figure A-1.4.1.2.(1)-I in Appendix A.)

Building energy use means non site-renewable energy used for space heating, cooking and/or operation of buildings intended for human occupancy.

Building Envelope Professional means a member of the Architectural Institute of British Columbia or the Association of Professional Engineers and Geoscientists of British Columbia.

Building height (in storeys) means the number of storeys contained between the roof and the floor of the first storey.

Building sewer means a pipe that is connected to a building drain 1 m outside a wall of a building and that leads to a public sewer or private sewage disposal system.

Building trap means a trap that is installed in a building drain or building sewer to prevent the circulation of air between a drainage system and a public sewer. (See Appendix Note A-2.4.5.4.(1) of Division B.)

Care or detention occupancy means the occupancy or use of a building or part thereof by persons who require special care or treatment because of cognitive or physical limitations or by persons who are restrained from, or are incapable of, self-preservation because of security measures not under their control.

Catch basin means a receptacle installed to intercept the flow of deleterious matter into the building sewer or public sewer and to prevent the outflow of sewer gas, but does not include a sump.

Certified Professional means a Certified Professional as defined in the Certification of Professionals By-law.

Chief Building Official means the City Building Inspector, and any person authorized to act on behalf of the City Building Inspector.

Check valve means a valve that permits flow in one direction but prevents a return flow.

Chimney means a primarily vertical shaft enclosing at least one flue for conducting flue gases to the outdoors.

Child Care Facility means a care facility within the meaning of the Child Care Licensing Regulation of the Community Care and Assisted Living Act.

Children means persons under the age of 13 years.

Circuit vent means a vent pipe that serves a number of fixtures and connects to the fixture drain of the most upstream fixture.

City means the City of Vancouver.

City Building Inspector means the person appointed as such by City Council pursuant to the provisions of the Vancouver Charter.

City Engineer means the person appointed as such by City Council pursuant to the provisions of the Vancouver Charter.

Class 1 fire sprinkler/standpipe system means an assembly of pipes and fittings that conveys water from the water service pipe to the sprinkler/standpipe system's outlets, is directly connected to the public water supply main only, has no pumps or reservoirs, and in which the sprinkler drains discharge to the atmosphere, to dry wells or to other safe outlets.

Class 2 fire sprinkler/standpipe system means a Class 1 fire sprinkler/standpipe system that includes a booster pump in its connection to the public water supply main.

Class 3 fire sprinkler/standpipe system means an assembly of pipes and fittings that conveys water from the water service pipe to the sprinkler/standpipe system's outlets and is directly connected to the public water supply main as well as to one or more of the following storage facilities, which are filled from the public water supply main only: elevated water storage, fire pumps supplying water from aboveground covered reservoirs, or pressure tanks. The water in this sprinkler/standpipe system must be maintained in potable condition. (See Appendix A.)

Class 4 fire sprinkler/standpipe system means an assembly of pipes and fittings that conveys water from the water service pipe to the sprinkler/standpipe system's outlets and is directly connected to the public water supply main (similar to Class 1 and Class 2 fire sprinkler/standpipe systems) and to an auxiliary water supply dedicated to fire department use that is located within 520 m of a pumper connection.

Class 5 fire sprinkler/standpipe system means an assembly of pipes and fittings that conveys water from the water service pipe to the sprinkler/standpipe system's outlets and is directly connected to the public water supply main and also interconnected with an auxiliary water supply.

Class 6 fire sprinkler/standpipe system means an assembly of pipes and fittings that conveys water from the water service pipe to the sprinkler/standpipe system's outlets and acts as a combined industrial water supply and fire protection system supplied from the public water supply main only, with or without gravity storage or pump suction tanks.

Cleanout means an access provided in drainage and venting systems to provide for cleaning and inspection services.

Clear-water waste means waste water with impurity levels that will not be harmful to health and may include cooling water and condensate drainage from refrigeration and air-conditioning equipment and cooled condensate from steam heating systems, but does not include storm water. (See Appendix A.)

Combined building drain means a building drain that is intended to conduct sewage and storm water.

Combined building sewer means a building sewer that is intended to conduct sewage and storm water.

Combined sewer means a sewer that is intended to conduct sewage and storm water.

Combustible means that a material fails to meet the acceptance criteria of CAN/ULC-S114, “Test for Determination of Non-Combustibility in Building Materials.”

Combustible construction means that type of construction that does not meet the requirements for noncombustible construction.

Community Care Facility means Community Care Facility as defined in the Zoning & Development By-law.

Construction means, with respect to a building: erection, repair, alteration, enlargement, addition, demolition, deconstruction, removal and excavation.

Construction Safety Officer means a person who has been trained specifically to understand and apply safe construction practice as it relates to the worksite and as it affects the public, neighbouring properties and utilities, and who has been retained by the owner, or the owner's principal contractor or project manager, to coordinate all sub trade supervisors relating to construction safety at the project site.

Construction Safety Plan means a plan containing construction procedures and fire safety measures designed to protect workers on a project, neighbouring private property, public property, and members of the general public.

Constructor means a person who contracts with an owner or their authorized agent to undertake a project, and includes an owner who contracts with more than one person for the work on a project or undertakes the work on a project or any part thereof.

Container means a metal transportable structure designed for the storage and transport of goods, the typical dimensions of which are 2.44 m in width, 2.59 m in height, and 6.1 m in length.

Continuous vent means a vent pipe that is an extension of a vertical section of a branch or fixture drain. (See Figure A-1.4.1.2.(1)-H in Appendix A.)

Contractor means a person who contracts with an owner or an authorized agent of an owner to undertake a project, and includes an owner who contracts with more than one person for the work on a project or undertakes the work on a project or any part thereof.

Critical level means the level of submergence at which the back-siphonage preventer ceases to prevent back-siphonage.

Dead end means a pipe that terminates with a closed fitting.

Deconstruction means demolition by systematic disassembly of a building resulting in the reuse, recycling or recovery of no less than 75% of all building materials, excluding materials which are hazardous or banned from landfill.

Demolition means the action or process of demolishing a building, and includes deconstruction.

Designated flood means a flood which may occur in any given year, of such magnitude as to equal a flood having a 200 year return period.

Designated flood plain means those lands in the City which are hereby designated, for the purposes of section 306(cc) of the Vancouver Charter, as flood plains susceptible to flooding and subject to flood construction level requirements, and those lands so designated include:

1. lands located in the proximity to the natural boundary of the Burrard Inlet, English Bay, False Creek and the Fraser River, which are located within the areas shown crosshatched on the maps attached to this By-law as Diagrams A1 and A2. (See Appendix A Figure A-1.4.1.2.(1)-A for Diagram A1: Burrard Inlet, English Bay, False Creek and Fraser River flood plains and Figure A-1.4.1.2.(1)-B for Diagram A2: Burrard Inlet, English Bay, False Creek and Fraser River flood plain, wave effect zone.); and
2. lands located in the areas shown crosshatched on the map attached to this By-law as Diagram B. (See Appendix A Figure A-1.4.1.2.(1)-C for Diagram B: Still Creek flood plain and flood construction levels.)

Designated Structural Engineer (Struct. Eng.) means a person who is registered or licensed to practice as a professional engineer under the Engineers and Geoscientists Act of British Columbia, and a person who is designated by the Association of Professional Engineers and Geoscientists of British Columbia as a Designated Structural Engineer.

Developed length means the length along the centre line of the pipe and fittings. (See Appendix Note A-2.5.6.3.(1) of Division B.)

Directly connected means physically connected in such a way that water or gas cannot escape from the connection.

Drainage system means an assembly of pipes, fittings, fixtures, traps and appurtenances that is used to convey sewage, clear-water waste or storm water to a public sewer or a private sewage disposal system, but does not include subsoil drainage pipes. (See Figure A-1.4.1.2.(1)-I in Appendix A.)

Dual vent means a vent pipe that serves 2 fixtures and connects at the junction of the trap arms. (See Figure A-1.4.1.2.(1)-J in Appendix A.)

Dwelling unit means a suite operated as a housekeeping unit used or intended to be used by one or more persons and usually containing cooking, eating, living, sleeping and sanitary facilities.

Emergency floor drain means a fixture for the purposes of overflow protection that does not receive regular discharge from other fixtures, other than from a trap primer. (See Appendix A.)

Excavation means the space created by the removal of soil, rock or fill for the purposes of construction.

Existing building means a building lawfully constructed and completed under a permit before submission of the current permit application.

Exit means that part of a means of egress, including doorways, that leads from the floor area it serves to a separate building, an open public thoroughfare, or an exterior open space protected from fire exposure from the building and having access to an open public thoroughfare. (See Appendix A.)

Field review means a review of the work

• at a building site, and
• where applicable, at locations where building components are fabricated for use at the building site

that a registered professional in his or her professional discretion considers necessary to ascertain whether the work substantially complies in all material respects with the plans and supporting documents prepared by a registered professional.

Fire compartment means an enclosed space in a building that is separated from all other parts of the building by enclosing construction providing a fire separation having a required fire-resistance rating.

Fire load (as applying to an occupancy) means the combustible contents of a room or floor area expressed in terms of the average weight of combustible materials per unit area, from which the potential heat liberation may be calculated based on the calorific value of the materials, and includes the furnishings, finished floor, wall and ceiling finishes, trim and temporary and movable partitions.

Fire separation means a construction assembly that acts as a barrier against the spread of fire.

Fire service pipe means a pipe that conveys water from a public water main or private water source to the inside of a building for the purpose of supplying the fire sprinkler or standpipe systems.

Fixture means a receptacle, appliance, apparatus or other device that discharges sewage or clear-water waste, and includes a floor drain.

Fixture drain means the pipe that connects a trap serving a fixture to another part of a drainage system.

Fixture outlet pipe means a pipe that connects the waste opening of a fixture to the trap serving the fixture. (See Figure A-1.4.1.2.(1)-K in Appendix A.)

Fixture unit (as applying to drainage systems) means the unit of measure based on the rate of discharge, time of operation and frequency of use of a fixture that expresses the hydraulic load that is imposed by that fixture on the drainage system.

Fixture unit (as applying to water distribution systems) means the unit of measure based on the rate of supply, time of operation and frequency of use of a fixture or outlet that expresses the hydraulic load that is imposed by that fixture or outlet on the supply system.

Float home means any structure incorporating a floatation system, intended for use or occupancy or being used or occupied for residential purposes, containing one dwelling unit only, and not primarily intended for, or useable in, navigation, but does not include any water craft designed or intended for navigation.

Flood construction level means the minimum elevation of the underside of a floor system, or of the top of a concrete slab, of a building which is used or may be used for habitation, business, or for the storage of goods which may be damaged by flood water.

Flood construction level requirements means

1. on the Burrard Inlet, English Bay, False Creek and Fraser River flood plains:
   1. for buildings located within the areas shown crosshatched on the map attached to this By-law, the underside of a floor system or the top of a concrete slab of a buildings used for habitation, business or storage of goods, shall not be lower than 4.6 m Greater Vancouver Regional District datum. (See Appendix A Figure A-1.4.1.2.(1)-A for Diagram A1: Burrard Inlet, English Bay, False Creek and Fraser River flood plains); and
   2. for buildings located in the areas shown crosshatched on the map attached to this By-law, an additional elevation allowance above 4.6 m may be required for wave run-up, at a level as determined by a Professional Engineer and to the satisfaction of the Chief Building Official. (See Appendix A Figure A-1.4.1.2.(1)-B for Diagram A2: Burrard Inlet, English Bay, False Creek and Fraser River flood plain wave effect zone); and
2. on the Still Creek flood plain:
   1. the underside of a floor system or the top of a concrete slab of any buildings used for habitation, business or storage of goods shall not be lower than the applicable elevation shown on the map attached to this By-law. (See Appendix A Figure A-1.4.1.2.(1)-C for Diagram B: Still Creek flood plain and flood construction levels.)

Flood level rim means the top edge at which water can overflow from a fixture or device. (See Figure A-1.4.1.2.(1)-E in Appendix A.)

Floor area means the space on any storey of a building between exterior walls and required firewalls, including the space occupied by interior walls and partitions, but not including exits, vertical service spaces, and their enclosing assemblies.

Floor drain means a fixture used to receive water from the floor of a building.

Flow control roof drain means a roof drain that restricts the flow of storm water into the storm drainage system.

Fresh air inlet means a vent pipe that is installed in conjunction with a building trap and terminates outdoors. (See Appendix Note A-2.4.5.4.(1) of Division B.)

General Manager, Park Board means the person appointed as such by the Park Board.

General Manager, Real Estate and Facilities Management means the person appointed as such by City Council

Green house gases means any gas that contributes to a gradual warming of the Earth’s climate as a result of increased heat retention.

Green roof means a structure constructed on top of a roof, which is designed to support the growth of vegetation and to capture rainwater.

Green roof assembly means the components of a green roof and includes a waterproof barrier which is impervious to root migration, a filtering layer, roof drainage, soil or other growing medium and plants, installed on top of a roof assembly.

Grooming station means facilities for grooming which are separated from washrooms and which contain a mirror, an electrical outlet and a countertop.

Group Residence means Group Residence as defined in the Zoning & Development By-law.

Heritage building means a building that is legally protected or officially recognized as a heritage property by the Province of British Columbia or the City, or a building that, in the opinion of the City Building Inspector, has sufficient heritage value or heritage character to justify its conservation. (See Appendix A.)

Indirect service water heater means a service water heater that derives its heat from a heating medium such as warm air, steam or hot water.

Indirectly connected means not directly connected. (See Appendix Note A-2.3.3.11.(2) of Division B.)

Individual vent means a vent pipe that serves one fixture.

Industrial flex space means an industrial use which is located in a new building containing Group C major occupancies.

Interceptor means a receptacle that is installed to prevent oil, grease, sand or other materials from passing into a drainage system.

Journeyman plumber means a person, other than an apprentice, who holds a certificate issued pursuant to the provisions of the Industry Training Authority Act of British Columbia authorizing the person to engage in the plumbing trade.

Lane means a public thoroughfare or way not more than 10.1 m in width which affords only a secondary means of access to a site, at the side or rear.

Laneway house means a detached dwelling unit constructed in the rear yard of a parcel on which is situate a one-family dwelling or one-family dwelling with secondary suite.

Licensed Beverage Establishment means an assembly occupancy or part thereof, where people may consume alcohol in a Class 2-restaurant as defined in the Zoning and Development By-law, lounge, recreational centre, community hall, cabaret, pub, neighbourhood public house, marine public house and similar facility.

Leader means a pipe that is installed to carry storm water from a roof to a storm building drain or sewer or other place of disposal.

Liveaboard vessel means any water craft intended primarily for use in navigation and used for residential purposes.

Live load means a variable load due to the intended use and occupancy that is to be assumed in the design of the structural members of a building. It includes loads due to cranes and the pressure of liquids in containers.

Lock-off unit means a smaller dwelling unit within a larger principal dwelling unit, which must have separate external access and shared internal access, and which can be locked off from the larger dwelling unit, but does not include a secondary suite.

Major occupancy means the principal occupancy for which a building or part thereof is used or intended to be used, and shall be deemed to include the subsidiary occupancies that are an integral part of the principal occupancy. The major occupancy classifications used in this Code are as follows:

Marina means any structure or installation, including marina walkways, which provides moorage space for water craft.

Marina walkway means any surface extending over navigable water used to accommodate pedestrian traffic, and used so that water craft and float homes may lie alongside to receive and discharge cargo and passengers.

Marine toilet means any toilet on or within a water craft.

Multi-family means a residential occupancy with more than two dwelling units.

Natural boundary means the visible high water mark of any lake, river, stream or other body of water where the presence and action of the water are so common and usual, and so long continued in all ordinary years, as to mark on the soil of the bed of the body of water a character distinct from that of its banks, in vegetation, as well as in the nature of the soil itself.

Nominally horizontal means at an angle of less than 45° with the horizontal. (See Figure A-1.4.1.2.(1)-M in Appendix A.)

Nominally vertical means at an angle of not more than 45° with the vertical. (See Figure A-1.4.1.2.(1)-M in Appendix A.)

Noncombustible means that a material meets the acceptance criteria of CAN/ULC-S114, “Test for Determination of Non-Combustibility in Building Materials.”

Noncombustible construction means that type of construction in which a degree of fire safety is attained by the use of noncombustible materials for structural members and other building assemblies.

Occupancy means the use or intended use of a building or part thereof for the shelter or support of persons, animals or property.

Occupant load means the number of persons for which a building or part thereof is designed.

Offset means the piping that connects the ends of 2 pipes that are parallel. (See Figure A-1.4.1.2.(1)-N in Appendix A.)

Offset relief vent means a relief vent that provides additional air circulation upstream and downstream of an offset in a soil-or-waste stack. (See Appendix Note A-2.5.4.4.(1) of Division B.)

One-family dwelling means a building containing only one dwelling unit.

One-family dwelling with secondary suite means a building containing only two dwelling units of which the secondary suite is smaller than the principal residence.

Owner means a registered owner, a holder of an agreement for sale and purchase and, in the case of Crown-owned lands, owner means the occupier.

Permit means permission or authorization in writing by the Chief Building Official to perform work regulated by this By-law and, in the case of an occupancy permit, to occupy any building or part thereof.

Plumbing contractor means a person licensed as a contractor pursuant to the License By-law and who is either a plumber or a person who employs a plumber on a full time basis.

Plumbing fixtures means installed receptacles, devices or appliances, including floor drains and roof drains and swimming pools, which are supplied with water or which receive liquid or liquid-borne wastes and discharge such wastes into the drainage system to which they may be directly or indirectly connected, except that industrial or commercial tanks, vats and similar processing equipment are not plumbing fixtures, but may be connected to or discharge into traps or plumbing fixtures which are in compliance with or otherwise provided for in this By-law.

Plumbing Inspector means any person appointed as such by the Chief Building Official.

Plumbing system means a drainage system, a venting system and a water system or parts thereof. (See Figure A-1.4.1.2.(1)-O in Appendix A.)

Potable means safe for human consumption.

Pre-rinse spray valve means a handheld device for use with commercial dishwashing and ware washing equipment that sprays water on dishes, flatware, and other food service items for the purpose of removing food residue before cleaning and sanitizing the items.

Private sewage disposal system means a privately owned plant for the treatment and disposal of sewage (such as a septic tank with an absorption field).

Private use (as applying to the classification of plumbing fixtures) means fixtures in residences and apartments, in private bathrooms of hotels, and in similar installations in other buildings for one family or an individual.

Private water supply system means an assembly of pipes, fittings, valves, equipment and appurtenances that supplies water from a private source to a water distribution system.

Project means any construction, alteration or demolition operation.

Public bike share means a service that provides the general public with an opportunity to rent bicycles through an automated system, on a short term basis for use within the City as part of a network comprised of no fewer than 50 public bike share stations located on separate sites.

Public bike share station means a bicycle sharing facility where bicycles are stored and from which the general public may rent and return bicycles and other objects or equipment necessary for or appurtenant to the operation of a public bike share.

Public sewer connection means that part of the public sewer which connects or is intended to connect a building sewer with any public sewer.

Public use (as applying to the classification of plumbing fixtures) means fixtures in general washrooms of schools, gymnasiums, hotels, bars, public comfort stations and other installations where fixtures are installed so that their use is unrestricted.

Pump-out facility means a device or method for the removal of sewage from a holding tank connected to a marine toilet or from a self-contained marine toilet.

Registered professional means

• a person who is registered or licensed to practise as an architect under the Architects Act, or
• a person who is registered or licensed to practise as a professional engineer under the Engineers and Geoscientists Act.

Registered professional of record means a registered professional retained to undertake design work and field reviews in accordance with Subsection 2.2.7. of Division C of Book I (General) of this By-law.

Relief vent means a vent pipe that is used in conjunction with a circuit vent to provide additional air circulation between a drainage system and a venting system.

Re-occupancy permit means permission or authorization in writing by the Chief Building Official to re-occupy any building or part thereof in respect of which the Chief Building Official has issued an order to cease occupancy because of an unsafe condition.

Residential full flow-through fire sprinkler/standpipe system means an assembly of pipes and fittings installed in a one- or two-family dwelling that conveys water from the water service pipe to the sprinkler/standpipe system's outlets and is fully integrated into the potable water system to ensure a regular flow of water through all parts of both systems.

Residential occupancy means the occupancy or use of a building or part thereof by persons for whom sleeping accommodation is provided but who are not harboured for the purpose of receiving care or treatment and are not involuntarily detained.

Residential partial flow-through fire sprinkler/standpipe system means an assembly of pipes and fittings installed in a one- or two-family dwelling that conveys water from the water service pipe to the sprinkler/standpipe system's outlets and in which flow, during inactive periods of the sprinkler/standpipe system, occurs only through the main header to the water closet located at the farthest point of the two systems.

Riser means a water distribution pipe that extends through at least one full storey.

Roof drain means a fitting or device that is installed in the roof to permit storm water to discharge into a leader.

Roof gutter means an exterior channel installed at the base of a sloped roof to convey storm water.

Row housing means a building of residential occupancy where no dwelling unit is located above another dwelling unit and there is no common interior or exterior means of egress.

Sanitary building drain means a building drain that conducts sewage to a building sewer from the most upstream soil-or-waste stack, branch or fixture drain serving a water closet.

Sanitary building sewer means a building sewer that conducts sewage.

Sanitary drainage system means a drainage system that conducts sewage.

Sanitary sewer means a sewer that conducts sewage.

Secondary suite means that area of a building that is intended to be a dwelling unit that is smaller than the principal residence in the same building.

Separate system area means an area in which the City Engineer has required the separate disposal of storm water and sewage.

Service water heater means a device for heating water for plumbing services.

Sewage means any liquid waste other than clear-water waste or storm water.

Sewage sump means an approved airtight tank or pit which receives sewage or liquid waste and which is located below the normal grade of the gravity system and must be emptied by mechanical means.

Sewer means an underground drain or conduit to remove waste water and organic refuse.

Shower head means any fitting that transmits water for the purposes of showering and includes rain heads, rain tiles, rain systems, waterfalls, body sprays and jets. A hand-held shower shall be considered a shower head.

Single room accommodation means a room designated as accommodation pursuant to the Single Room Accommodation By-law.

Size means the nominal diameter by which a pipe, fitting, trap or other similar item is commercially designated.

Small suite means a suite classified as a Group A Division 2, Group D, Group E, Group F Division 2 (wholesale showroom) or Group F, Division 3 occupancy where the occupant load for the entire suite does not exceed 60 persons.

Soil means that portion of the earth's crust that is fragmentary, or such that some individual particles of a dried sample may be readily separated by agitation in water; it includes boulders, cobbles, gravel, sand, silt, clay and organic matter.

Soil-or-waste pipe or waste pipe means a pipe in a sanitary drainage system.

Soil-or-waste stack means a vertical soil-or-waste pipe that passes through one or more storeys, and includes any offset that is part of the stack.

Sprinkler contractor means a person licensed as a contractor pursuant to the License By-law and who is either a sprinkler system installer or a person who employs a sprinkler system installer on a full-time basis.

Sprinkler system means an automatic fire extinguishing system designed to the National Fire Protection Association 13, 13D or 13R standard and all applicable associated sprinkler standards, and which consists of a system of devices and equipment designed to automatically detect a fire and discharge water or another approved fire extinguishing agent in the area of or onto a fire.

Sprinkler system installer means a person who has successfully completed an accredited program as a Sprinkler System Installer under the Industry Training Authority Act and Industry Training Regulation of British Columbia.

Stack vent means a vent pipe that connects the top of a soil-or-waste stack to a vent header or to outside air. (See Figure A-1.4.1.2.(1)-J in Appendix A.)

Storage-type service water heater means a service water heater with an integral hot water storage tank.

Storey (as applying to plumbing) means the interval between 2 successive floor levels, including mezzanine floors that contain plumbing fixtures, or between a floor level and roof.

Storm building drain means a building drain that conducts storm water and is connected at its upstream end to a leader, sump or catch basin, and at its downstream end to a building sewer or a designated storm water disposal location.

Storm building sewer means a building sewer that conveys storm water.

Storm drainage system means a drainage system that conveys storm water.

Storm sewer means a sewer that conveys storm water.

Storm water means water that is discharged from a surface as a result of rainfall or snowfall.

Street means a public road, highway, bridge, viaduct, lane, sidewalk, and any other way normally open to the use of the public, but does not include a private right-of-way on private property and, for the purposes only of Part 3 and Part 9 of this By-law, does not include a street less than 9 m in width, a lane or a sidewalk.

Subsoil drainage pipe means a pipe that is installed underground to intercept and convey subsurface water.

Suite means a single room or series of rooms of complementary use, operated under a single tenancy and includes dwelling units, individual guest rooms in motels, hotels, boarding houses, rooming houses and dormitories, as well as individual stores and individual or complementary rooms for business and personal services occupancies.

Sump means a receptacle installed between the storm or combined sewer and the building storm system to intercept the flow of deleterious matter into the building or public sewer and to prevent the outflow of sewer gas.

Supervisory staff means those occupants of a building who have some delegated responsibility for the fire safety of other occupants under the fire safety plan.

Temporary special event means a presentation of an artistic or cultural nature, including but not limited to visual, performing, media, literary, craft or interdisciplinary arts, for a maximum of 250 people, with or without liquor service, which occurs not more than two days per month in a building not approved for assembly occupancy.

Trade waste system means a system of drainage pipes from floor drains and hub drains located in food display areas that are intercepted by a trade waste sump and backwater valve before entering the sanitary building drain.

Trades safety coordinator means an agent, employee or officer of a company supplying, installing or using materials at a construction site who has been trained to understand and apply safe construction, installation or demolition techniques, as applicable, respecting those materials and their relationship to the worksite, neighbouring property, public utilities and the general public.

Training school means a School-Arts or Self-Improvement, School – Business, or School-Vocational or Trade, as defined in the Zoning & Development By-law.

Trap means a fitting or device that is designed to hold a liquid seal that will prevent the passage of gas but will not materially affect the flow of a liquid.

Trap arm means that portion of a fixture drain between the trap weir and the vent pipe fitting. (See Appendix Note A-2.5.6.3.(1) of Division B.)

Trap dip means the lowest part of the upper interior surface of a trap.

Trap seal depth means the vertical distance between the trap dip and the trap weir. (See Appendix Note A-2.2.3.1.(1) and (3) of Division B.)

Trap standard means the trap for a fixture that is integral with the support for the fixture.

Trap weir means the highest part of the lower interior surface of a trap. (See Appendix Note A-2.2.3.1.(1) and (3) of Division B.)

Two-family dwelling means

1. as applying to plumbing, a building containing only 2 self-contained dwelling units each served with a separate water connection, and
2. in all other cases, a building containing only two self-contained dwelling units.

Two-family dwelling with secondary suites means a building containing two self-contained dwelling units where each self-contained dwelling unit contains one secondary suite.

Unprotected opening (as applying to exposing building face) means a door, doorway, window or opening other than one equipped with a closure having the required fire-protection rating, or any part of a wall forming part of the exposing building face that has a fire-resistance rating less than that required for the exposing building face.

Unsafe condition means any condition that could cause undue hazard or risk to life, limb or health of any person authorized, expected, or anticipated to be on or about premises or a building or construction.

Vacuum breaker (see back-siphonage preventer).

Vent header means a vent pipe that connects any combination of stack vents or vent stacks to outside air. (See Figure A-1.4.1.2.(1)-L in Appendix A.)

Vent pipe means a pipe that is part of a venting system.

Vent stack means a vent pipe that is connected at its upper end to a vent header or that terminates in outside air and is connected at its lower end to the soil-or-waste stack at or below the lowest soil-or-waste pipe connection. (See Figure A-1.4.1.2.(1)-J in Appendix A.)

Venting system means an assembly of pipes and fittings that connects a drainage system with outside air for circulation of air and the protection of trap seals in the drainage system. (See Figures A-1.4.1.2.(1)-I and A-1.4.1.2.(1)-J in Appendix A.)

Waste pipe (see soil-or-waste pipe).

Water craft means any boat, hull, barge, or houseboat which is afloat, whether self-propelled or not, and includes pleasure and commercial craft.

Water distribution system means an assembly of pipes, fittings, valves and appurtenances that conveys water from the water service pipe or private water supply system to water supply outlets, fixtures, appliances and devices.

Water service pipe means a pipe that conveys water from a public water main or private water source to the inside of the building.

Water system means a private water supply system, a water service pipe, a water distribution system or parts thereof.

Wet vent means a soil-or-waste pipe that also serves as a vent pipe and extends from the most downstream wet-vented fixture connection to the most upstream fixture connection. (See Appendix Note A-2.5.8.1.(2) of Division B.)

Yoke vent means a vent pipe that is connected at its lower end to a soil-or-waste stack and at its upper end to a vent stack or to a branch vent connected to a vent stack. (See Appendix Note A-2.5.4.3. of Division B.)

Acceptable means acceptable to the Chief Building Official.

Acceptable equivalency means:

1. that the person proposing to use a plumbing fixture that does not conform with the specifications in this By-law must, at their expense, ensure that
   1. an independent qualified third party tests the plumbing fixture and documents that the plumbing fixture meets or exceeds the specifications of this By-law,
   2. the test procedures and documented results are reviewed and verified by an independent qualified registered professional,
   3. copies of all test procedures, documented results and verification reports are provided to the Chief Building Official, and
2. the test procedures, documented results and verification are acceptable.

Accepted means accepted by the Chief Building Official.

Addition means an alteration to any building which will increase the total aggregate floor area or the building height (in storeys).

Additional circuit vent means a vent pipe that is installed between a circuit vent and a relief vent to provide additional air circulation.

Air admittance valve means a one-way valve designed to allow air to enter the drainage system when the pressure in the plumbing system is less than the atmospheric pressure. (See Appendix Note A-2.2.10.16.(1) of Division B.)

Air break means the unobstructed vertical distance between the lowest point of an indirectly connected soil-or-waste pipe and the flood level rim of the fixture into which it discharges. (See Appendix Note A-2.3.3.11.(2) of Division B.)

Air gap means the unobstructed vertical distance through air between the lowest point of a water supply outlet and the flood level rim of the fixture or device into which the outlet discharges. (See Appendix Note A-2.6.2.9.(2) of Division B.)

Air space parcel has the meaning assigned to it by the Land Title Act of British Columbia.

Air-supported structure means a structure consisting of a pliable membrane which achieves and maintains its shape and support by internal air pressure.

Alloyed zinc means an alloy of zinc having the corrosion resistance and physical properties of an alloy containing 0.15% titanium, 0.74% copper and 99.11% zinc, and so tempered as to be capable of being formed into the shape required for a watertight joint.

Alteration means a change or extension to any matter or thing or to any occupancy regulated by this By-law.

Apprentice means a regularly indentured apprentice under the provisions of the Industry Training Authority Act of British Columbia.

Approved (as used in Book II) means accepted.

Area of refuge Authority having jurisdiction means a space that facilitates a safe delay in egress, is sufficiently protected from fire conditions developing in the floor area, and provides direct access to an exit or firefighters' elevator.means the governmental body responsible for the enforcement of any part of this Code or the official or agency designated by that body to exercise such a function. Notwithstanding this definition, the Chief Inspector of Mines has the sole responsibility for administration and enforcement in respect to all buildings, structures and site services used at a mine, as defined in the Mines Act.

Artist Live/Work Studio means an Artist Studio and a Residential Unit associated with and forming an integral part of an Artist Studio, as defined in the Zoning and Development By-law.

Artist studio — Class A means Artist studio-Class A as defined in the Zoning and Development By-law.

Artist studio — Class B means Artist studio-Class B as defined in the Zoning and Development By-law.

Arts and culture indoor event means an event of an artistic or cultural nature, including but not limited to visual, performing, media, literary, craft or interdisciplinary arts, for a maximum of 250 persons, with or without liquor service, which occurs not more than three days per month in a building or portion of a building not approved for assembly occupancy.

Assembly occupancy means the occupancy or the use of a building, or part thereof, by a gathering of persons for civic, political, travel, religious, social, educational, recreational or like purposes, or for the consumption of food or drink.

Auxiliary water supply means any water supply on or available to the premises other than the primary potable water supply. (See Appendix A.)

Backflow means a flowing back or reversal of the normal direction of the flow.

Backflow preventer means a device or a method that prevents backflow. (See Figure A-1.4.1.2.(1)-D in Appendix A.)

Back pressure means pressure higher than the supply pressure.

Back-siphonage means backflow caused by a negative pressure in the supply system. (See Figure A-1.4.1.2.(1)-E in Appendix A.)

Back-siphonage preventer (or vacuum breaker) means a device or a method that prevents back-siphonage. (See Figure A-1.4.1.2.(1)-F in Appendix A.)

Backwater valve means a check valve designed for use in a gravity drainage system.

Bathroom group means one lavatory basin, one water closet and one bathtub or maximum 2 head shower drain.means a group of plumbing fixtures installed in the same room, consisting of one domestic-type lavatory, one water closet and either one bathtub (with or without a shower) or one one-head shower.

Branch means a soil-or-waste pipe connected at its upstream end to the junction of 2 or more soil-or-waste pipes or to a soil-or-waste stack, and connected at its downstream end to another branch, a sumpsump, a soil-or-waste stack or a building drain. (See Figure A-1.4.1.2.(1)-I in Appendix A.)

Branch vent means a vent pipe that is connected at its lower end to the junction of 2 or more vent pipes, and at its upper end, either to another branch vent or to a stack vent, vent stack or vent header, or terminates in open air. (See Figure A-1.4.1.2.(1)-G in Appendix A.)

Building Building* means any structure used or intended for supporting or sheltering any use or occupancy, including any float home or marina and any retaining structures greater than 1.2 m in height..

Building drain means the lowest horizontal piping, including any vertical offset, that conducts sewage, clear-water waste or storm water by gravity to a building sewer. (See Figure A-1.4.1.2.(1)-I in Appendix A.)

Building energy use means non site-renewable energy used for space heating, cooking and/or operation of buildings intended for human occupancy.

Building Envelope Professional means a member of the Architectural Institute of British Columbia or the Association of Professional Engineers and Geoscientists of British Columbia.

Building height (in storeys) means the number of storeys contained between the roof and the floor of the first storey.

Building sewer means a pipe that is connected to a building drain 1 m outside a wall of a building and that leads to a public sewersewer or private sewage disposal system.

Building trap means a trap that is installed in a building drain or building sewer to prevent the circulation of air between a drainage system and a public sewersewer. (See Appendix Note A-2.4.5.4.(1) of Division B.)

Care or detention occupancy means the occupancy or use of a building or part thereof by persons who require special care or treatment because of cognitive or physical limitations or by persons who are restrained from, or are incapable of, self-preservation because of security measures not under their control.

Catch basin means a receptacle installed to intercept the flow of deleterious matter into the building sewer or public sewer and to prevent the outflow of sewer gas, but does not include a sump.

Certified Professional means a Certified Professional as defined in the Certification of Professionals By-law.

Chief Building Official means the City Building Inspector, and any person authorized to act on behalf of the City Building Inspector.

Check valve means a valve that permits flow in one direction but prevents a return flow.

Chimney means a primarily vertical shaft enclosing at least one flue for conducting flue gases to the outdoors.

Child Care Facility means a care facility within the meaning of the Child Care Licensing Regulation of the Community Care and Assisted Living Act.

Children means persons under the age of 13 years.

Circuit vent means a vent pipe that serves a number of fixtures and connects to the fixture drain of the most upstream fixture.

City means the City of Vancouver.

City Building Inspector means the person appointed as such by City Council pursuant to the provisions of the Vancouver Charter.

City Engineer means the person appointed as such by City Council pursuant to the provisions of the Vancouver Charter.

Class 1 fire sprinkler/standpipe system means an assembly of pipes and fittings that conveys water from the water service pipe to the sprinkler/standpipe system's outlets, is directly connected to the public water supply main only, has no pumps or reservoirs, and in which the sprinkler drains discharge to the atmosphere, to dry wells or to other safe outlets.

Class 2 fire sprinkler/standpipe system means a Class 1 fire sprinkler/standpipe system that includes a booster pump in its connection to the public water supply main.

Class 3 fire sprinkler/standpipe system means an assembly of pipes and fittings that conveys water from the water service pipe to the sprinkler/standpipe system's outlets and is directly connected to the public water supply main as well as to one or more of the following storage facilities, which are filled from the public water supply main only: elevated water storage, fire pumps supplying water from aboveground covered reservoirs, or pressure tanks. The water in this sprinkler/standpipe system must be maintained in potable condition. (See Appendix A.)

Class 4 fire sprinkler/standpipe system means an assembly of pipes and fittings that conveys water from the water service pipe to the sprinkler/standpipe system's outlets and is directly connected to the public water supply main (similar to Class 1 and Class 2 fire sprinkler/standpipe systems) and to an auxiliary water supply dedicated to fire department use that is located within 520 m of a pumper connection.

Class 5 fire sprinkler/standpipe system means an assembly of pipes and fittings that conveys water from the water service pipe to the sprinkler/standpipe system's outlets and is directly connected to the public water supply main and also interconnected with an auxiliary water supply.

Class 6 fire sprinkler/standpipe system means an assembly of pipes and fittings that conveys water from the water service pipe to the sprinkler/standpipe system's outlets and acts as a combined industrial water supply and fire protection system supplied from the public water supply main only, with or without gravity storage or pump suction tanks.

Cleanout means an access provided in drainage and venting systems to provide for cleaning and inspection services.

Clear-water waste means waste water with impurity levels that will not be harmful to health and may include cooling water and condensate drainage from refrigeration and air-conditioning equipment and cooled condensate from steam heating systems, but does not include storm water. (See Appendix A.)

Combined building drain means a building drain that is intended to conduct sewage and storm water.

Combined building sewer means a building sewer that is intended to conduct sewage and storm water.

Combined sewer means a sewersewer that is intended to conduct sewage and storm water.

Combustible Combustible* means that a material fails to meet the acceptance criteria of CAN/ULC-S114, “Test for Determination of Non-Combustibility in Building Materials.”

Combustible construction means that type of construction that does not meet the requirements for noncombustible construction.

Community Care Facility means Community Care Facility as defined in the Zoning & Development By-law.

Construction means, with respect to a building: erection, repair, alteration, enlargement, addition, demolition, deconstruction, removal and excavation.

Construction Safety Officer means a person who has been trained specifically to understand and apply safe construction practice as it relates to the worksite and as it affects the public, neighbouring properties and utilities, and who has been retained by the owner, or the owner's principal contractor or project manager, to coordinate all sub trade supervisors relating to construction safety at the project site.

Construction Safety Plan means a plan containing construction procedures and fire safety measures designed to protect workers on a project, neighbouring private property, public property, and members of the general public.

Constructor means a person who contracts with an owner or their authorized agent to undertake a project, and includes an owner who contracts with more than one person for the work on a project or undertakes the work on a project or any part thereof.

Container means a metal transportable structure designed for the storage and transport of goods, the typical dimensions of which are 2.44 m in width, 2.59 m in height, and 6.1 m in length.

Continuous vent means a vent pipe that is an extension of a vertical section of a branch or fixture drain. (See Figure A-1.4.1.2.(1)-H in Appendix A.)

Contractor means a person who contracts with an owner or an authorized agent of an owner to undertake a project, and includes an owner who contracts with more than one person for the work on a project or undertakes the work on a project or any part thereof.

Critical level means the level of submergence at which the back-siphonage preventer ceases to prevent back-siphonage.

Dead end means a pipe that terminates with a closed fitting.

Deconstruction means demolition by systematic disassembly of a building resulting in the reuse, recycling or recovery of no less than 75% of all building materials, excluding materials which are hazardous or banned from landfill.

Demolition means the action or process of demolishing a building, and includes deconstruction.

Designated flood means a flood which may occur in any given year, of such magnitude as to equal a flood having a 200 year return period.

Designated flood plain means those lands in the City which are hereby designated, for the purposes of section 306(cc) of the Vancouver Charter, as flood plains susceptible to flooding and subject to flood construction level requirements, and those lands so designated include:

1. lands located in the proximity to the natural boundary of the Burrard Inlet, English Bay, False Creek and the Fraser River, which are located within the areas shown crosshatched on the maps attached to this By-law as Diagrams A1 and A2. (See Appendix A Figure A-1.4.1.2.(1)-A for Diagram A1: Burrard Inlet, English Bay, False Creek and Fraser River flood plains and Figure A-1.4.1.2.(1)-B for Diagram A2: Burrard Inlet, English Bay, False Creek and Fraser River flood plain, wave effect zone.); and
2. lands located in the areas shown crosshatched on the map attached to this By-law as Diagram B. (See Appendix A Figure A-1.4.1.2.(1)-C for Diagram B: Still Creek flood plain and flood construction levels.)

Designated Structural Engineer (Struct. Eng.) means a person who is registered or licensed to practice as a professional engineer under the Engineers and Geoscientists Act of British Columbia, and a person who is designated by the Association of Professional Engineers and Geoscientists of British Columbia as a Designated Structural Engineer.

Developed length means the length along the centre line of the pipe and fittings. (See Appendix Note A-2.5.6.3.(1) of Division B.)

Directly connected means physically connected in such a way that water or gas cannot escape from the connection.

Drainage system means an assembly of pipes, fittings, fixtures, traps and appurtenances that is used to convey sewage, clear-water waste or storm water to a public sewersewer or a private sewage disposal system, but does not include subsoil drainage pipes. (See Figure A-1.4.1.2.(1)-I in Appendix A.)

Dual vent means a vent pipe that serves 2 fixtures and connects at the junction of the trap arms. (See Figure A-1.4.1.2.(1)-J in Appendix A.)

Dwelling unitunit* means a suite operated as a housekeeping unit used or intended to be used by one or more persons and usually containing cooking, eating, living, sleeping and sanitary facilities.

Emergency floor drain means a fixture for the purposes of overflow protection that does not receive regular discharge from other fixtures, other than from a trap primer. (See Appendix A.)

Excavation means the space created by the removal of soil, rock or fill for the purposes of construction.

Existing building means a building lawfully constructed and completed under a permit before submission of the current permit application.

Exit means that part of a means of egress, including doorways, that leads from the floor area it serves to a separate building, an open public thoroughfare, or an exterior open space protected from fire exposure from the building and having access to an open public thoroughfare. (See Appendix A.)

Field review means a review of the work

• at a building site, and
• where applicable, at locations where building components are fabricated for use at the building site

that a registered professional in his or her professional discretion considers necessary to ascertain whether the work substantially complies in all material respects with the plans and supporting documents prepared by a registered professional.

Fire compartment means an enclosed space in a building that is separated from all other parts of the building by enclosing construction providing a fire separation having a required fire-resistance rating.

Fire load (as applying to an occupancy) means the combustible contents of a room or floor area expressed in terms of the average weight of combustible materials per unit area, from which the potential heat liberation may be calculated based on the calorific value of the materials, and includes the furnishings, finished floor, wall and ceiling finishes, trim and temporary and movable partitions.

Fire separation Fire separation* means a constructionconstruction assembly that acts as a barrier against the spread of fire.

Fire service pipe means a pipe that conveys water from a public water main or private water source to the inside of a building for the purpose of supplying the fire sprinkler or standpipe systems.

Fixture means a receptacle, appliance, apparatus or other device that discharges sewage or clear-water waste, and includes a floor drainfloor drain.

Fixture drain means the pipe that connects a trap serving a fixture to another part of a drainage system.

Fixture outlet pipe means a pipe that connects the waste opening of a fixture to the trap serving the fixture. (See Figure A-1.4.1.2.(1)-K in Appendix A.)

Fixture unit (as applying to drainage systems) means the unit of measure based on the rate of discharge, time of operation and frequency of use of a fixture that expresses the hydraulic load that is imposed by that fixture on the drainage system.

Fixture unit (as applying to water distribution systems) means the unit of measure based on the rate of supply, time of operation and frequency of use of a fixture or outlet that expresses the hydraulic load that is imposed by that fixture or outlet on the supply system.

Float home means any structure incorporating a floatation system, intended for use or occupancy or being used or occupied for residential purposes, containing one dwelling unit only, and not primarily intended for, or useable in, navigation, but does not include any water craft designed or intended for navigation.

Flood construction level means the minimum elevation of the underside of a floor system, or of the top of a concrete slab, of a building which is used or may be used for habitation, business, or for the storage of goods which may be damaged by flood water.

Flood construction level requirements means

1. on the Burrard Inlet, English Bay, False Creek and Fraser River flood plains:
   1. for buildings located within the areas shown crosshatched on the map attached to this By-law, the underside of a floor system or the top of a concrete slab of a buildings used for habitation, business or storage of goods, shall not be lower than 4.6 m Greater Vancouver Regional District datum. (See Appendix A Figure A-1.4.1.2.(1)-A for Diagram A1: Burrard Inlet, English Bay, False Creek and Fraser River flood plains); and
   2. for buildings located in the areas shown crosshatched on the map attached to this By-law, an additional elevation allowance above 4.6 m may be required for wave run-up, at a level as determined by a Professional Engineer and to the satisfaction of the Chief Building Official. (See Appendix A Figure A-1.4.1.2.(1)-B for Diagram A2: Burrard Inlet, English Bay, False Creek and Fraser River flood plain wave effect zone); and
2. on the Still Creek flood plain:
   1. the underside of a floor system or the top of a concrete slab of any buildings used for habitation, business or storage of goods shall not be lower than the applicable elevation shown on the map attached to this By-law. (See Appendix A Figure A-1.4.1.2.(1)-C for Diagram B: Still Creek flood plain and flood construction levels.)

Flood level rim means the top edge at which water can overflow from a fixture or device. (See Figure A-1.4.1.2.(1)-E in Appendix A.)

Floor area means the space on any storey of a building between exterior walls and required firewalls, including the space occupied by interior walls and partitions, but not including exits, vertical service spaces, and their enclosing assemblies.

Floor drain means a fixture used to receive water from the floor of a building.

Flow control roof drain means a roof drain that restricts the flow of storm water into the storm drainage system.

Fresh air inlet means a vent pipe that is installed in conjunction with a building trap and terminates outdoors. (See Appendix Note A-2.4.5.4.(1) of Division B.)

General Manager, Park Board means the person appointed as such by the Park Board.

General Manager, Real Estate and Facilities Management means the person appointed as such by City Council

Green house gases means any gas that contributes to a gradual warming of the Earth’s climate as a result of increased heat retention.

Green roof means a structure constructed on top of a roof, which is designed to support the growth of vegetation and to capture rainwater.

Green roof assembly means the components of a green roof and includes a waterproof barrier which is impervious to root migration, a filtering layer, roof drainage, soil or other growing medium and plants, installed on top of a roof assembly.

Grooming station means facilities for grooming which are separated from washrooms and which contain a mirror, an electrical outlet and a countertop.

Group Residence means Group Residence as defined in the Zoning & Development By-law.

Heritage building means a building that is legally protected or officially recognized as a heritage property by the Province of British Columbia or the City, or a building that, in the opinion of the City Building Inspector, has sufficient heritage value or heritage character to justify its conservation. (See Appendix A.)

Indirect service water heaterheater* means a service water heater that derives its heat from a heating medium such as warm air, steam or hot water.

Indirectly connected means not directly connected. (See Appendix Note A-2.3.3.11.(2) of Division B.)

Individual vent means a vent pipe that serves one fixture.

Industrial flex space means an industrial use which is located in a new building containing Group C major occupancies.

Interceptor means a receptacle that is installed to prevent oil, grease, sand or other materials from passing into a drainage system.

Journeyman plumber means a person, other than an apprentice, who holds a certificate issued pursuant to the provisions of the Industry Training Authority Act of British Columbia authorizing the person to engage in the plumbing trade.

Lane means a public thoroughfare or way not more than 10.1 m in width which affords only a secondary means of access to a site, at the side or rear.

Laneway house means a detached dwelling unit constructed in the rear yard of a parcel on which is situate a one-family dwelling or one-family dwelling with secondary suite.

Licensed Beverage Establishment means an assembly occupancy or part thereof, where people may consume alcohol in a Class 2-restaurant as defined in the Zoning and Development By-law, lounge, recreational centre, community hall, cabaret, pub, neighbourhood public house, marine public house and similar facility.

Leader means a pipe that is installed to carry storm water from a roof to a storm building drain or sewer or other place of disposal.

Liveaboard vessel means any water craft intended primarily for use in navigation and used for residential purposes.

Live load means a variable load due to the intended use and occupancy that is to be assumed in the design of the structural members of a building. It includes loads due to cranes and the pressure of liquids in containers.

Lock-off unit means a smaller dwelling unit within a larger principal dwelling unit, which must have separate external access and shared internal access, and which can be locked off from the larger dwelling unit, but does not include a secondary suite.

Major occupancy means the principal occupancy for which a building or part thereof is used or intended to be used, and shall be deemed to include the subsidiary occupancies that are an integral part of the principal occupancy. The major occupancy classifications used in this Code are as follows:

A1Assembly occupancies intended for the production and viewing of the performing arts

A2Assembly occupancies not elsewhere classified in Group A

A3Assembly occupancies of the arena type

A4Assembly occupancies in which the occupants are gathered in the open air

B1Detention occupancies in which persons are under restraint or are incapable of self-preservation because of security measures not under their control

B2Treatment occupancies

B3Care occupancies

CResidential occupancies

DBusiness and personal services occupancies

EMercantile occupancies

F1High-hazard industrial occupancies

F2Medium-hazard industrial occupancies

F3Low-hazard industrial occupancies

Marina means any structure or installation, including marina walkways, which provides moorage space for water craft.

Marina walkway means any surface extending over navigable water used to accommodate pedestrian traffic, and used so that water craft and float homes may lie alongside to receive and discharge cargo and passengers.

Marine toilet means any toilet on or within a water craft.

Multi-family means a residential occupancy with more than two dwelling units.

Natural boundary means the visible high water mark of any lake, river, stream or other body of water where the presence and action of the water are so common and usual, and so long continued in all ordinary years, as to mark on the soil of the bed of the body of water a character distinct from that of its banks, in vegetation, as well as in the nature of the soil itself.

Nominally horizontal means at an angle of less than 45° with the horizontal. (See Figure A-1.4.1.2.(1)-M in Appendix A.)

Nominally vertical means at an angle of not more than 45° with the vertical. (See Figure A-1.4.1.2.(1)-M in Appendix A.)

Noncombustible Noncombustible* means that a material meets the acceptance criteria of CAN/ULC-S114, “Test for Determination of Non-Combustibility in Building Materials.”

Noncombustible construction means that type of construction in which a degree of fire safety is attained by the use of noncombustible materials for structural members and other building assemblies.

Occupancy Occupancy* means the use or intended use of a building or part thereof for the shelter or support of persons, animals or property.

Occupant load means the number of persons for which a building or part thereof is designed.

Offset means the piping that connects the ends of 2 pipes that are parallel. (See Figure A-1.4.1.2.(1)-N in Appendix A.)

Offset relief vent means a relief vent that provides additional air circulation upstream and downstream of an offset in a soil-or-waste stack. (See Appendix Note A-2.5.4.4.(1) of Division B.)

One-family dwelling means a building containing only one dwelling unit.

One-family dwelling with secondary suite means a building containing only two dwelling units of which the secondary suite is smaller than the principal residence.

Owner means a registered owner, a holder of an agreement for sale and purchase and, in the case of Crown-owned lands, owner means the occupier.

Permit means permission or authorization in writing by the Chief Building Official to perform work regulated by this By-law and, in the case of an occupancy permit, to occupy any building or part thereof.

Plumbing contractor means a person licensed as a contractor pursuant to the License By-law and who is either a plumber or a person who employs a plumber on a full time basis.

Plumbing fixtures means installed receptacles, devices or appliances, including floor drains and roof drains and swimming pools, which are supplied with water or which receive liquid or liquid-borne wastes and discharge such wastes into the drainage system to which they may be directly or indirectly connected, except that industrial or commercial tanks, vats and similar processing equipment are not plumbing fixtures, but may be connected to or discharge into traps or plumbing fixtures which are in compliance with or otherwise provided for in this By-law.

Plumbing Inspector means any person appointed as such by the Chief Building Official.

Plumbing systemsystem* means a drainage system, a venting system and a water system or parts thereof. (See Figure A-1.4.1.2.(1)-O in Appendix A.)

Potable means safe for human consumption.

Pre-rinse spray valve means a handheld device for use with commercial dishwashing and ware washing equipment that sprays water on dishes, flatware, and other food service items for the purpose of removing food residue before cleaning and sanitizing the items.

Private sewage disposal systemsystem* means a privately owned plant for the treatment and disposal of sewage (such as a septic tank with an absorption field).

Private use (as applying to the classification of plumbing plumbing fixtures) means fixtures in residences and apartments, in private bathrooms of hotels, and in similar installations in other buildings for one family or an individual.

Private water supply system means an assembly of pipes, fittings, valves, equipment and appurtenances that supplies water from a private source to a water distribution system.

Project means any construction, alteration or demolition operation.

Public bike share means a service that provides the general public with an opportunity to rent bicycles through an automated system, on a short term basis for use within the City as part of a network comprised of no fewer than 50 public bike share stations located on separate sites.

Public bike share station means a bicycle sharing facility where bicycles are stored and from which the general public may rent and return bicycles and other objects or equipment necessary for or appurtenant to the operation of a public bike share.

Public sewer connection means that part of the public sewer which connects or is intended to connect a building sewer with any public sewer.

Public use (as applying to the classification of plumbing plumbing fixtures) means fixtures in general washrooms of schools, gymnasiums, hotels, bars, public comfort stations and other installations where fixtures are installed so that their use is unrestricted.

Pump-out facility means a device or method for the removal of sewage from a holding tank connected to a marine toilet or from a self-contained marine toilet.

Registered professional means

• a person who is registered or licensed to practise as an architect under the Architects Act, or
• a person who is registered or licensed to practise as a professional engineer under the Engineers and Geoscientists Act.

Registered professional of record means a registered professional retained to undertake design work and field reviews in accordance with Subsection 2.2.7. of Division C of Book I (General) of this By-lawCode.

Relief vent means a vent pipe that is used in conjunction with a circuit vent to provide additional air circulation between a drainage system and a venting system.

Re-occupancy permit means permission or authorization in writing by the Chief Building Official to re-occupy any building or part thereof in respect of which the Chief Building Official has issued an order to cease occupancy because of an unsafe condition.

Residential full flow-through fire sprinkler/standpipe system means an assembly of pipes and fittings installed in a one-one- or two-family dwellingtwo-familydwelling that conveys water from the water service pipe to the sprinkler/standpipe system's outlets and is fully integrated into the potable water system to ensure a regular flow of water through all parts of both systems.

Residential occupancy means the occupancy or use of a building or part thereof by persons for whom sleeping accommodation is provided but who are not harboured for the purpose of receiving care or treatment and are not involuntarily detained.

Residential partial flow-through fire sprinkler/standpipe system means an assembly of pipes and fittings installed in a one-one- or two-family dwellingtwo-familydwelling that conveys water from the water service pipe to the sprinkler/standpipe system's outlets and in which flow, during inactive periods of the sprinkler/standpipe system, occurs only through the main header to the water closet located at the farthest point of the two systems.

Riser means a water distribution pipe that extends through at least one full storey.

Roof drain means a fitting or device that is installed in the roof to permit storm water to discharge into a leader.

Roof gutter means an exterior channel installed at the base of a sloped roof to convey storm water.

Row housing means a building of residential occupancy where no dwelling unit is located above another dwelling unit and there is no common interior or exterior means of egress.

Sanitary building drain means a building drain that conducts sewage to a building sewer from the most upstream soil-or-waste stack, branch or fixture drain serving a water closet.

Sanitary building sewer means a building sewer that conducts sewage.

Sanitary drainage systemsystem* means a drainage system that conducts sewage.

Sanitary sewer means a sewersewer that conducts sewage.

Secondary suite means that area of a building that is intended to be a dwelling unit that is smaller than the principal residence in the same building.

Separate system area means an area in which the City Engineer has required the separate disposal of storm water and sewage.

Service water heaterheater* means a device for heating water for plumbing services.

Sewage means any liquid waste other than clear-water waste or storm water.

Sewage sump means an approved airtight tank or pit which receives sewage or liquid waste and which is located below the normal grade of the gravity system and must be emptied by mechanical means.

Sewer means an underground drain or conduit to remove waste water and organic refuse.

Shower head means any fitting that transmits water for the purposes of showering and includes rain heads, rain tiles, rain systems, waterfalls, body sprays and jets. A hand-held shower shall be considered a shower head.

Single room accommodation means a room designated as accommodation pursuant to the Single Room Accommodation By-law.

Size means the nominal diameter by which a pipe, fitting, trap or other similar item is commercially designated.

Small suite means a suite classified as a Group A Division 2, Group D, Group E, Group F Division 2 (wholesale showroom) or Group F, Division 3 occupancy where the occupant load for the entire suite does not exceed 60 persons.

Soil means that portion of the earth's crust that is fragmentary, or such that some individual particles of a dried sample may be readily separated by agitation in water; it includes boulders, cobbles, gravel, sand, silt, clay and organic matter.

Soil-or-waste pipe or waste pipe means a pipe in a sanitary drainage system.

Soil-or-waste stack means a vertical soil-or-waste pipe that passes through one or more storeys, and includes any offset that is part of the stack.

Sprinkler contractor means a person licensed as a contractor pursuant to the License By-law and who is either a sprinkler system installer or a person who employs a sprinkler system installer on a full-time basis.

Sprinkler system means an automatic fire extinguishing system designed to the National Fire Protection Association 13, 13D or 13R standard and all applicable associated sprinkler standards, and which consists of a system of devices and equipment designed to automatically detect a fire and discharge water or another approved fire extinguishing agent in the area of or onto a fire.

Sprinkler system installer means a person who has successfully completed an accredited program as a Sprinkler System Installer under the Industry Training Authority Act and Industry Training Regulation of British Columbia.

Stack vent means a vent pipe that connects the top of a soil-or-waste stack to a vent header or to outside air. (See Figure A-1.4.1.2.(1)-J in Appendix A.)

Storage-type service water heaterheater* means a service water heater with an integral hot water storage tank.

Storey (as applying to plumbing) means the interval between 2 successive floor levels, including mezzanine floors that contain plumbing fixturesplumbing fixtures, or between a floor level and roof.

Storm building drain means a building drain that conducts storm water and is connected at its upstream end to a leader, sumpsump or catch basincatch basin, and at its downstream end to a building sewer or a designated storm water disposal location.

Storm building sewer means a building sewer that conveys storm water.

Storm drainage system means a drainage system that conveys storm water.

Storm sewer means a sewersewer that conveys storm water.

Storm water means water that is discharged from a surface as a result of rainfall or snowfall.

Street means a public road, highway, bridge, viaduct, lane, sidewalk, and any other way normally open to the use of the public, but does not include a private right-of-way on private property and, for the purposes only of Part 3 and Part 9 of this By-law, does not include a street less than 9 m in width, a lane or a sidewalk.

Subsoil drainage pipe means a pipe that is installed underground to intercept and convey subsurface water.

Suite Suite* means a single room or series of rooms of complementary use, operated under a single tenancy and includes dwelling units, individual guest rooms in motels, hotels, boarding houses, rooming houses and dormitories, as well as individual stores and individual or complementary rooms for business and personal services occupancies.

Sump means a receptacle installed between the storm or combined sewer and the building storm system to intercept the flow of deleterious matter into the building or public sewer and to prevent the outflow of sewer gas.

Supervisory staff means those occupants of a building who have some delegated responsibility for the fire safety of other occupants under the fire safety plan.

Temporary special event means a presentation of an artistic or cultural nature, including but not limited to visual, performing, media, literary, craft or interdisciplinary arts, for a maximum of 250 people, with or without liquor service, which occurs not more than two days per month in a building not approved for assembly occupancy.

Trade waste system means a system of drainage pipes from floor drains and hub drains located in food display areas that are intercepted by a trade waste sump and backwater valve before entering the sanitary building drain.

Trades safety coordinator means an agent, employee or officer of a company supplying, installing or using materials at a construction site who has been trained to understand and apply safe construction, installation or demolition techniques, as applicable, respecting those materials and their relationship to the worksite, neighbouring property, public utilities and the general public.

Training school means a School-Arts or Self-Improvement, School – Business, or School-Vocational or Trade, as defined in the Zoning & Development By-law.

Trap means a fitting or device that is designed to hold a liquid seal that will prevent the passage of gas but will not materially affect the flow of a liquid.

Trap arm means that portion of a fixture drain between the trap weir and the vent pipe fitting. (See Appendix Note A-2.5.6.3.(1) of Division B.)

Trap dip means the lowest part of the upper interior surface of a trap.

Trap seal depth means the vertical distance between the trap dip and the trap weir. (See Appendix Note A-2.2.3.1.(1) and (3) of Division B.)

Trap standard means the trap for a fixture that is integral with the support for the fixture.

Trap weir means the highest part of the lower interior surface of a trap. (See Appendix Note A-2.2.3.1.(1) and (3) of Division B.)

Two-family dwelling means

1. as applying to plumbing, a building containing only 2 self-contained dwelling units each served with a separate water connection, and
2. in all other cases, a building containing only two self-contained dwelling units.

Two-family dwelling with secondary suites means a building containing two self-contained dwelling units where each self-contained dwelling unit contains one secondary suite.

Unprotected opening (as applying to exposing building face) means a door, doorway, window or opening other than one equipped with a closure having the required fire-protection rating, or any part of a wall forming part of the exposing building face that has a fire-resistance rating less than that required for the exposing building face.

Unsafe condition means any condition that could cause undue hazard or risk to life, limb or health of any person authorized, expected, or anticipated to be on or about premises or a building or construction.

Vacuum breaker (see back-siphonage preventer).

Vent header means a vent pipe that connects any combination of stack vents or vent stacks to outside air. (See Figure A-1.4.1.2.(1)-L in Appendix A.)

Vent pipe means a pipe that is part of a venting system.

Vent stack means a vent pipe that is connected at its upper end to a vent header or that terminates in outside air and is connected at its lower end to the soil-or-waste stack at or below the lowest soil-or-waste pipe connection. (See Figure A-1.4.1.2.(1)-J in Appendix A.)

Venting system means an assembly of pipes and fittings that connects a drainage system with outside air for circulation of air and the protection of trap seals in the drainage system. (See Figures A-1.4.1.2.(1)-I and A-1.4.1.2.(1)-J in Appendix A.)

Waste pipe (see soil-or-waste pipe).

Water craft means any boat, hull, barge, or houseboat which is afloat, whether self-propelled or not, and includes pleasure and commercial craft.

Water distribution system means an assembly of pipes, fittings, valves and appurtenances that conveys water from the water service pipe or private water supply system to water supply outlets, fixtures, appliances and devices.

Water service pipe means a pipe that conveys water from a public water main or private water source to the inside of the building.

Water system means a private water supply system, a water service pipe, a water distribution system or parts thereof.

Wet vent means a soil-or-waste pipe that also serves as a vent pipe and extends from the most downstream wet-vented fixture connection to the most upstream fixture connection. (See Appendix Note A-2.5.8.1.(2) of Division B.)

Yoke vent means a vent pipe that is connected at its lower end to a soil-or-waste stack and at its upper end to a vent stack or to a branch vent connected to a vent stack. (See Appendix Note A-2.5.4.3. of Division B.)

Acceptable means acceptable to the Chief Building Official.

Acceptable equivalency means:

1. that the person proposing to use a plumbing fixture that does not conform with the specifications in this By-law must, at their expense, ensure that
   1. an independent qualified third party tests the plumbing fixture and documents that the plumbing fixture meets or exceeds the specifications of this By-law,
   2. the test procedures and documented results are reviewed and verified by an independent qualified registered professional,
   3. copies of all test procedures, documented results and verification reports are provided to the Chief Building Official, and
2. the test procedures, documented results and verification are acceptable.

Accepted means accepted by the Chief Building Official.

Addition means an alteration to any building which will increase the total aggregate floor area or the building height (in storeys).

Additional circuit vent means a vent pipe that is installed between a circuit vent and a relief vent to provide additional air circulation.

Air admittance valve means a one-way valve designed to allow air to enter the drainage system when the pressure in the plumbing system is less than the atmospheric pressure. (See Appendix Note A-2.2.10.16.(1) of Division B.)

Air break means the unobstructed vertical distance between the lowest point of an indirectly connected soil-or-waste pipe and the flood level rim of the fixture into which it discharges. (See Appendix Note A-2.3.3.11.(2) of Division B.)

Air gap means the unobstructed vertical distance through air between the lowest point of a water supply outlet and the flood level rim of the fixture or device into which the outlet discharges. (See Appendix Note A-2.6.2.9.(2) of Division B.)

Air space parcel has the meaning assigned to it by the Land Title Act of British Columbia.

Air-supported structure means a structure consisting of a pliable membrane which achieves and maintains its shape and support by internal air pressure.

Alloyed zinc means an alloy of zinc having the corrosion resistance and physical properties of an alloy containing 0.15% titanium, 0.74% copper and 99.11% zinc, and so tempered as to be capable of being formed into the shape required for a watertight joint.

Alteration means a change or extension to any matter or thing or to any occupancy regulated by this By-law.

Apprentice means a regularly indentured apprentice under the provisions of the Industry Training Authority Act of British Columbia.

Approved (as used in Book II) means accepted.

Area of refuge Authority having jurisdiction means a space that facilitates a safe delay in egress, is sufficiently protected from fire conditions developing in the floor area, and provides direct access to an exit or firefighters' elevator.means the governmental body responsible for the enforcement of any part of this Code or the official or agency designated by that body to exercise such a function. Notwithstanding this definition, the Chief Inspector of Mines has the sole responsibility for administration and enforcement in respect to all buildings, structures and site services used at a mine, as defined in the Mines Act.

Artist Live/Work Studio means an Artist Studio and a Residential Unit associated with and forming an integral part of an Artist Studio, as defined in the Zoning and Development By-law.

Artist studio — Class A means Artist studio-Class A as defined in the Zoning and Development By-law.

Artist studio — Class B means Artist studio-Class B as defined in the Zoning and Development By-law.

Arts and culture indoor event means an event of an artistic or cultural nature, including but not limited to visual, performing, media, literary, craft or interdisciplinary arts, for a maximum of 250 persons, with or without liquor service, which occurs not more than three days per month in a building or portion of a building not approved for assembly occupancy.

Assembly occupancy means the occupancy or the use of a building, or part thereof, by a gathering of persons for civic, political, travel, religious, social, educational, recreational or like purposes, or for the consumption of food or drink.

Auxiliary water supply means any water supply on or available to the premises other than the primary potable water supply. (See Appendix A.)

Backflow means a flowing back or reversal of the normal direction of the flow.

Backflow preventer means a device or a method that prevents backflow. (See Figure A-1.4.1.2.(1)-D in Appendix A.)

Back pressure means pressure higher than the supply pressure.

Back-siphonage means backflow caused by a negative pressure in the supply system. (See Figure A-1.4.1.2.(1)-E in Appendix A.)

Back-siphonage preventer (or vacuum breaker) means a device or a method that prevents back-siphonage. (See Figure A-1.4.1.2.(1)-F in Appendix A.)

Backwater valve means a check valve designed for use in a gravity drainage system.

Bathroom group means one lavatory basin, one water closet and one bathtub or maximum 2 head shower drain.means a group of plumbing fixtures installed in the same room, consisting of one domestic-type lavatory, one water closet and either one bathtub (with or without a shower) or one one-head shower.

Branch means a soil-or-waste pipe connected at its upstream end to the junction of 2 or more soil-or-waste pipes or to a soil-or-waste stack, and connected at its downstream end to another branch, a sumpsump, a soil-or-waste stack or a building drain. (See Figure A-1.4.1.2.(1)-I in Appendix A.)

Branch vent means a vent pipe that is connected at its lower end to the junction of 2 or more vent pipes, and at its upper end, either to another branch vent or to a stack vent, vent stack or vent header, or terminates in open air. (See Figure A-1.4.1.2.(1)-G in Appendix A.)

Building Building* means any structure used or intended for supporting or sheltering any use or occupancy, including any float home or marina and any retaining structures greater than 1.2 m in height..

Building drain means the lowest horizontal piping, including any vertical offset, that conducts sewage, clear-water waste or storm water by gravity to a building sewer. (See Figure A-1.4.1.2.(1)-I in Appendix A.)

Building energy use means non site-renewable energy used for space heating, cooking and/or operation of buildings intended for human occupancy.

Building Envelope Professional means a member of the Architectural Institute of British Columbia or the Association of Professional Engineers and Geoscientists of British Columbia.

Building height (in storeys) means the number of storeys contained between the roof and the floor of the first storey.

Building sewer means a pipe that is connected to a building drain 1 m outside a wall of a building and that leads to a public sewersewer or private sewage disposal system.

Building trap means a trap that is installed in a building drain or building sewer to prevent the circulation of air between a drainage system and a public sewersewer. (See Appendix Note A-2.4.5.4.(1) of Division B.)

Care or detention occupancy means the occupancy or use of a building or part thereof by persons who require special care or treatment because of cognitive or physical limitations or by persons who are restrained from, or are incapable of, self-preservation because of security measures not under their control.

Catch basin means a receptacle installed to intercept the flow of deleterious matter into the building sewer or public sewer and to prevent the outflow of sewer gas, but does not include a sump.

Certified Professional means a Certified Professional as defined in the Certification of Professionals By-law.

Chief Building Official means the City Building Inspector, and any person authorized to act on behalf of the City Building Inspector.

Check valve means a valve that permits flow in one direction but prevents a return flow.

Chimney means a primarily vertical shaft enclosing at least one flue for conducting flue gases to the outdoors.

Child Care Facility means a care facility within the meaning of the Child Care Licensing Regulation of the Community Care and Assisted Living Act.

Children means persons under the age of 13 years.

Circuit vent means a vent pipe that serves a number of fixtures and connects to the fixture drain of the most upstream fixture.

City means the City of Vancouver.

City Building Inspector means the person appointed as such by City Council pursuant to the provisions of the Vancouver Charter.

City Engineer means the person appointed as such by City Council pursuant to the provisions of the Vancouver Charter.

Class 1 fire sprinkler/standpipe system means an assembly of pipes and fittings that conveys water from the water service pipe to the sprinkler/standpipe system's outlets, is directly connected to the public water supply main only, has no pumps or reservoirs, and in which the sprinkler drains discharge to the atmosphere, to dry wells or to other safe outlets.

Class 2 fire sprinkler/standpipe system means a Class 1 fire sprinkler/standpipe system that includes a booster pump in its connection to the public water supply main.

Class 3 fire sprinkler/standpipe system means an assembly of pipes and fittings that conveys water from the water service pipe to the sprinkler/standpipe system's outlets and is directly connected to the public water supply main as well as to one or more of the following storage facilities, which are filled from the public water supply main only: elevated water storage, fire pumps supplying water from aboveground covered reservoirs, or pressure tanks. The water in this sprinkler/standpipe system must be maintained in potable condition. (See Appendix A.)

Class 4 fire sprinkler/standpipe system means an assembly of pipes and fittings that conveys water from the water service pipe to the sprinkler/standpipe system's outlets and is directly connected to the public water supply main (similar to Class 1 and Class 2 fire sprinkler/standpipe systems) and to an auxiliary water supply dedicated to fire department use that is located within 520 m of a pumper connection.

Class 5 fire sprinkler/standpipe system means an assembly of pipes and fittings that conveys water from the water service pipe to the sprinkler/standpipe system's outlets and is directly connected to the public water supply main and also interconnected with an auxiliary water supply.

Class 6 fire sprinkler/standpipe system means an assembly of pipes and fittings that conveys water from the water service pipe to the sprinkler/standpipe system's outlets and acts as a combined industrial water supply and fire protection system supplied from the public water supply main only, with or without gravity storage or pump suction tanks.

Cleanout means an access provided in drainage and venting systems to provide for cleaning and inspection services.

Clear-water waste means waste water with impurity levels that will not be harmful to health and may include cooling water and condensate drainage from refrigeration and air-conditioning equipment and cooled condensate from steam heating systems, but does not include storm water. (See Appendix A.)

Combined building drain means a building drain that is intended to conduct sewage and storm water.

Combined building sewer means a building sewer that is intended to conduct sewage and storm water.

Combined sewer means a sewersewer that is intended to conduct sewage and storm water.

Combustible Combustible* means that a material fails to meet the acceptance criteria of CAN/ULC-S114, “Test for Determination of Non-Combustibility in Building Materials.”

Combustible construction means that type of construction that does not meet the requirements for noncombustible construction.

Community Care Facility means Community Care Facility as defined in the Zoning & Development By-law.

Construction means, with respect to a building: erection, repair, alteration, enlargement, addition, demolition, deconstruction, removal and excavation.

Construction Safety Officer means a person who has been trained specifically to understand and apply safe construction practice as it relates to the worksite and as it affects the public, neighbouring properties and utilities, and who has been retained by the owner, or the owner's principal contractor or project manager, to coordinate all sub trade supervisors relating to construction safety at the project site.

Construction Safety Plan means a plan containing construction procedures and fire safety measures designed to protect workers on a project, neighbouring private property, public property, and members of the general public.

Constructor means a person who contracts with an owner or their authorized agent to undertake a project, and includes an owner who contracts with more than one person for the work on a project or undertakes the work on a project or any part thereof.

Container means a metal transportable structure designed for the storage and transport of goods, the typical dimensions of which are 2.44 m in width, 2.59 m in height, and 6.1 m in length.

Continuous vent means a vent pipe that is an extension of a vertical section of a branch or fixture drain. (See Figure A-1.4.1.2.(1)-H in Appendix A.)

Contractor means a person who contracts with an owner or an authorized agent of an owner to undertake a project, and includes an owner who contracts with more than one person for the work on a project or undertakes the work on a project or any part thereof.

Critical level means the level of submergence at which the back-siphonage preventer ceases to prevent back-siphonage.

Dead end means a pipe that terminates with a closed fitting.

Deconstruction means demolition by systematic disassembly of a building resulting in the reuse, recycling or recovery of no less than 75% of all building materials, excluding materials which are hazardous or banned from landfill.

Demolition means the action or process of demolishing a building, and includes deconstruction.

Designated flood means a flood which may occur in any given year, of such magnitude as to equal a flood having a 200 year return period.

Designated flood plain means those lands in the City which are hereby designated, for the purposes of section 306(cc) of the Vancouver Charter, as flood plains susceptible to flooding and subject to flood construction level requirements, and those lands so designated include:

1. lands located in the proximity to the natural boundary of the Burrard Inlet, English Bay, False Creek and the Fraser River, which are located within the areas shown crosshatched on the maps attached to this By-law as Diagrams A1 and A2. (See Appendix A Figure A-1.4.1.2.(1)-A for Diagram A1: Burrard Inlet, English Bay, False Creek and Fraser River flood plains and Figure A-1.4.1.2.(1)-B for Diagram A2: Burrard Inlet, English Bay, False Creek and Fraser River flood plain, wave effect zone.); and
2. lands located in the areas shown crosshatched on the map attached to this By-law as Diagram B. (See Appendix A Figure A-1.4.1.2.(1)-C for Diagram B: Still Creek flood plain and flood construction levels.)

Designated Structural Engineer (Struct. Eng.) means a person who is registered or licensed to practice as a professional engineer under the Engineers and Geoscientists Act of British Columbia, and a person who is designated by the Association of Professional Engineers and Geoscientists of British Columbia as a Designated Structural Engineer.

Developed length means the length along the centre line of the pipe and fittings. (See Appendix Note A-2.5.6.3.(1) of Division B.)

Directly connected means physically connected in such a way that water or gas cannot escape from the connection.

Drainage system means an assembly of pipes, fittings, fixtures, traps and appurtenances that is used to convey sewage, clear-water waste or storm water to a public sewersewer or a private sewage disposal system, but does not include subsoil drainage pipes. (See Figure A-1.4.1.2.(1)-I in Appendix A.)

Dual vent means a vent pipe that serves 2 fixtures and connects at the junction of the trap arms. (See Figure A-1.4.1.2.(1)-J in Appendix A.)

Dwelling unitunit* means a suite operated as a housekeeping unit used or intended to be used by one or more persons and usually containing cooking, eating, living, sleeping and sanitary facilities.

Emergency floor drain means a fixture for the purposes of overflow protection that does not receive regular discharge from other fixtures, other than from a trap primer. (See Appendix A.)

Excavation means the space created by the removal of soil, rock or fill for the purposes of construction.

Existing building means a building lawfully constructed and completed under a permit before submission of the current permit application.

Exit means that part of a means of egress, including doorways, that leads from the floor area it serves to a separate building, an open public thoroughfare, or an exterior open space protected from fire exposure from the building and having access to an open public thoroughfare. (See Appendix A.)

Field review means a review of the work

• at a building site, and
• where applicable, at locations where building components are fabricated for use at the building site

that a registered professional in his or her professional discretion considers necessary to ascertain whether the work substantially complies in all material respects with the plans and supporting documents prepared by a registered professional.

Fire compartment means an enclosed space in a building that is separated from all other parts of the building by enclosing construction providing a fire separation having a required fire-resistance rating.

Fire load (as applying to an occupancy) means the combustible contents of a room or floor area expressed in terms of the average weight of combustible materials per unit area, from which the potential heat liberation may be calculated based on the calorific value of the materials, and includes the furnishings, finished floor, wall and ceiling finishes, trim and temporary and movable partitions.

Fire separation Fire separation* means a constructionconstruction assembly that acts as a barrier against the spread of fire.

Fire service pipe means a pipe that conveys water from a public water main or private water source to the inside of a building for the purpose of supplying the fire sprinkler or standpipe systems.

Fixture means a receptacle, appliance, apparatus or other device that discharges sewage or clear-water waste, and includes a floor drainfloor drain.

Fixture drain means the pipe that connects a trap serving a fixture to another part of a drainage system.

Fixture outlet pipe means a pipe that connects the waste opening of a fixture to the trap serving the fixture. (See Figure A-1.4.1.2.(1)-K in Appendix A.)

Fixture unit (as applying to drainage systems) means the unit of measure based on the rate of discharge, time of operation and frequency of use of a fixture that expresses the hydraulic load that is imposed by that fixture on the drainage system.

Fixture unit (as applying to water distribution systems) means the unit of measure based on the rate of supply, time of operation and frequency of use of a fixture or outlet that expresses the hydraulic load that is imposed by that fixture or outlet on the supply system.

Float home means any structure incorporating a floatation system, intended for use or occupancy or being used or occupied for residential purposes, containing one dwelling unit only, and not primarily intended for, or useable in, navigation, but does not include any water craft designed or intended for navigation.

Flood construction level means the minimum elevation of the underside of a floor system, or of the top of a concrete slab, of a building which is used or may be used for habitation, business, or for the storage of goods which may be damaged by flood water.

Flood construction level requirements means

1. on the Burrard Inlet, English Bay, False Creek and Fraser River flood plains:
   1. for buildings located within the areas shown crosshatched on the map attached to this By-law, the underside of a floor system or the top of a concrete slab of a buildings used for habitation, business or storage of goods, shall not be lower than 4.6 m Greater Vancouver Regional District datum. (See Appendix A Figure A-1.4.1.2.(1)-A for Diagram A1: Burrard Inlet, English Bay, False Creek and Fraser River flood plains); and
   2. for buildings located in the areas shown crosshatched on the map attached to this By-law, an additional elevation allowance above 4.6 m may be required for wave run-up, at a level as determined by a Professional Engineer and to the satisfaction of the Chief Building Official. (See Appendix A Figure A-1.4.1.2.(1)-B for Diagram A2: Burrard Inlet, English Bay, False Creek and Fraser River flood plain wave effect zone); and
2. on the Still Creek flood plain:
   1. the underside of a floor system or the top of a concrete slab of any buildings used for habitation, business or storage of goods shall not be lower than the applicable elevation shown on the map attached to this By-law. (See Appendix A Figure A-1.4.1.2.(1)-C for Diagram B: Still Creek flood plain and flood construction levels.)

Flood level rim means the top edge at which water can overflow from a fixture or device. (See Figure A-1.4.1.2.(1)-E in Appendix A.)

Floor area means the space on any storey of a building between exterior walls and required firewalls, including the space occupied by interior walls and partitions, but not including exits, vertical service spaces, and their enclosing assemblies.

Floor drain means a fixture used to receive water from the floor of a building.

Flow control roof drain means a roof drain that restricts the flow of storm water into the storm drainage system.

Fresh air inlet means a vent pipe that is installed in conjunction with a building trap and terminates outdoors. (See Appendix Note A-2.4.5.4.(1) of Division B.)

General Manager, Park Board means the person appointed as such by the Park Board.

General Manager, Real Estate and Facilities Management means the person appointed as such by City Council

Green house gases means any gas that contributes to a gradual warming of the Earth’s climate as a result of increased heat retention.

Green roof means a structure constructed on top of a roof, which is designed to support the growth of vegetation and to capture rainwater.

Green roof assembly means the components of a green roof and includes a waterproof barrier which is impervious to root migration, a filtering layer, roof drainage, soil or other growing medium and plants, installed on top of a roof assembly.

Grooming station means facilities for grooming which are separated from washrooms and which contain a mirror, an electrical outlet and a countertop.

Group Residence means Group Residence as defined in the Zoning & Development By-law.

Heritage building means a building that is legally protected or officially recognized as a heritage property by the Province of British Columbia or the City, or a building that, in the opinion of the City Building Inspector, has sufficient heritage value or heritage character to justify its conservation. (See Appendix A.)

Indirect service water heaterheater* means a service water heater that derives its heat from a heating medium such as warm air, steam or hot water.

Indirectly connected means not directly connected. (See Appendix Note A-2.3.3.11.(2) of Division B.)

Individual vent means a vent pipe that serves one fixture.

Industrial flex space means an industrial use which is located in a new building containing Group C major occupancies.

Interceptor means a receptacle that is installed to prevent oil, grease, sand or other materials from passing into a drainage system.

Journeyman plumber means a person, other than an apprentice, who holds a certificate issued pursuant to the provisions of the Industry Training Authority Act of British Columbia authorizing the person to engage in the plumbing trade.

Lane means a public thoroughfare or way not more than 10.1 m in width which affords only a secondary means of access to a site, at the side or rear.

Laneway house means a detached dwelling unit constructed in the rear yard of a parcel on which is situate a one-family dwelling or one-family dwelling with secondary suite.

Licensed Beverage Establishment means an assembly occupancy or part thereof, where people may consume alcohol in a Class 2-restaurant as defined in the Zoning and Development By-law, lounge, recreational centre, community hall, cabaret, pub, neighbourhood public house, marine public house and similar facility.

Leader means a pipe that is installed to carry storm water from a roof to a storm building drain or sewer or other place of disposal.

Liveaboard vessel means any water craft intended primarily for use in navigation and used for residential purposes.

Live load means a variable load due to the intended use and occupancy that is to be assumed in the design of the structural members of a building. It includes loads due to cranes and the pressure of liquids in containers.

Lock-off unit means a smaller dwelling unit within a larger principal dwelling unit, which must have separate external access and shared internal access, and which can be locked off from the larger dwelling unit, but does not include a secondary suite.

Major occupancy means the principal occupancy for which a building or part thereof is used or intended to be used, and shall be deemed to include the subsidiary occupancies that are an integral part of the principal occupancy. The major occupancy classifications used in this Code are as follows:

A1Assembly occupancies intended for the production and viewing of the performing arts

A2Assembly occupancies not elsewhere classified in Group A

A3Assembly occupancies of the arena type

A4Assembly occupancies in which the occupants are gathered in the open air

B1Detention occupancies in which persons are under restraint or are incapable of self-preservation because of security measures not under their control

B2Treatment occupancies

B3Care occupancies

CResidential occupancies

DBusiness and personal services occupancies

EMercantile occupancies

F1High-hazard industrial occupancies

F2Medium-hazard industrial occupancies

F3Low-hazard industrial occupancies

Marina means any structure or installation, including marina walkways, which provides moorage space for water craft.

Marina walkway means any surface extending over navigable water used to accommodate pedestrian traffic, and used so that water craft and float homes may lie alongside to receive and discharge cargo and passengers.

Marine toilet means any toilet on or within a water craft.

Multi-family means a residential occupancy with more than two dwelling units.

Natural boundary means the visible high water mark of any lake, river, stream or other body of water where the presence and action of the water are so common and usual, and so long continued in all ordinary years, as to mark on the soil of the bed of the body of water a character distinct from that of its banks, in vegetation, as well as in the nature of the soil itself.

Nominally horizontal means at an angle of less than 45° with the horizontal. (See Figure A-1.4.1.2.(1)-M in Appendix A.)

Nominally vertical means at an angle of not more than 45° with the vertical. (See Figure A-1.4.1.2.(1)-M in Appendix A.)

Noncombustible Noncombustible* means that a material meets the acceptance criteria of CAN/ULC-S114, “Test for Determination of Non-Combustibility in Building Materials.”

Noncombustible construction means that type of construction in which a degree of fire safety is attained by the use of noncombustible materials for structural members and other building assemblies.

Occupancy Occupancy* means the use or intended use of a building or part thereof for the shelter or support of persons, animals or property.

Occupant load means the number of persons for which a building or part thereof is designed.

Offset means the piping that connects the ends of 2 pipes that are parallel. (See Figure A-1.4.1.2.(1)-N in Appendix A.)

Offset relief vent means a relief vent that provides additional air circulation upstream and downstream of an offset in a soil-or-waste stack. (See Appendix Note A-2.5.4.4.(1) of Division B.)

One-family dwelling means a building containing only one dwelling unit.

One-family dwelling with secondary suite means a building containing only two dwelling units of which the secondary suite is smaller than the principal residence.

Owner means a registered owner, a holder of an agreement for sale and purchase and, in the case of Crown-owned lands, owner means the occupier.

Permit means permission or authorization in writing by the Chief Building Official to perform work regulated by this By-law and, in the case of an occupancy permit, to occupy any building or part thereof.

Plumbing contractor means a person licensed as a contractor pursuant to the License By-law and who is either a plumber or a person who employs a plumber on a full time basis.

Plumbing fixtures means installed receptacles, devices or appliances, including floor drains and roof drains and swimming pools, which are supplied with water or which receive liquid or liquid-borne wastes and discharge such wastes into the drainage system to which they may be directly or indirectly connected, except that industrial or commercial tanks, vats and similar processing equipment are not plumbing fixtures, but may be connected to or discharge into traps or plumbing fixtures which are in compliance with or otherwise provided for in this By-law.

Plumbing Inspector means any person appointed as such by the Chief Building Official.

Plumbing systemsystem* means a drainage system, a venting system and a water system or parts thereof. (See Figure A-1.4.1.2.(1)-O in Appendix A.)

Potable means safe for human consumption.

Pre-rinse spray valve means a handheld device for use with commercial dishwashing and ware washing equipment that sprays water on dishes, flatware, and other food service items for the purpose of removing food residue before cleaning and sanitizing the items.

Private sewage disposal systemsystem* means a privately owned plant for the treatment and disposal of sewage (such as a septic tank with an absorption field).

Private use (as applying to the classification of plumbing plumbing fixtures) means fixtures in residences and apartments, in private bathrooms of hotels, and in similar installations in other buildings for one family or an individual.

Private water supply system means an assembly of pipes, fittings, valves, equipment and appurtenances that supplies water from a private source to a water distribution system.

Project means any construction, alteration or demolition operation.

Public bike share means a service that provides the general public with an opportunity to rent bicycles through an automated system, on a short term basis for use within the City as part of a network comprised of no fewer than 50 public bike share stations located on separate sites.

Public bike share station means a bicycle sharing facility where bicycles are stored and from which the general public may rent and return bicycles and other objects or equipment necessary for or appurtenant to the operation of a public bike share.

Public sewer connection means that part of the public sewer which connects or is intended to connect a building sewer with any public sewer.

Public use (as applying to the classification of plumbing plumbing fixtures) means fixtures in general washrooms of schools, gymnasiums, hotels, bars, public comfort stations and other installations where fixtures are installed so that their use is unrestricted.

Pump-out facility means a device or method for the removal of sewage from a holding tank connected to a marine toilet or from a self-contained marine toilet.

Registered professional means

• a person who is registered or licensed to practise as an architect under the Architects Act, or
• a person who is registered or licensed to practise as a professional engineer under the Engineers and Geoscientists Act.

Registered professional of record means a registered professional retained to undertake design work and field reviews in accordance with Subsection 2.2.7. of Division C of Book I (General) of this By-law.

Relief vent means a vent pipe that is used in conjunction with a circuit vent to provide additional air circulation between a drainage system and a venting system.

Re-occupancy permit means permission or authorization in writing by the Chief Building Official to re-occupy any building or part thereof in respect of which the Chief Building Official has issued an order to cease occupancy because of an unsafe condition.

Residential full flow-through fire sprinkler/standpipe system means an assembly of pipes and fittings installed in a one-one- or two-family dwellingtwo-familydwelling that conveys water from the water service pipe to the sprinkler/standpipe system's outlets and is fully integrated into the potable water system to ensure a regular flow of water through all parts of both systems.

Residential occupancy means the occupancy or use of a building or part thereof by persons for whom sleeping accommodation is provided but who are not harboured for the purpose of receiving care or treatment and are not involuntarily detained.

Residential partial flow-through fire sprinkler/standpipe system means an assembly of pipes and fittings installed in a one-one- or two-family dwellingtwo-familydwelling that conveys water from the water service pipe to the sprinkler/standpipe system's outlets and in which flow, during inactive periods of the sprinkler/standpipe system, occurs only through the main header to the water closet located at the farthest point of the two systems.

Riser means a water distribution pipe that extends through at least one full storey.

Roof drain means a fitting or device that is installed in the roof to permit storm water to discharge into a leader.

Roof gutter means an exterior channel installed at the base of a sloped roof to convey storm water.

Row housing means a building of residential occupancy where no dwelling unit is located above another dwelling unit and there is no common interior or exterior means of egress.

Sanitary building drain means a building drain that conducts sewage to a building sewer from the most upstream soil-or-waste stack, branch or fixture drain serving a water closet.

Sanitary building sewer means a building sewer that conducts sewage.

Sanitary drainage systemsystem* means a drainage system that conducts sewage.

Sanitary sewer means a sewersewer that conducts sewage.

Secondary suite means that area of a building that is intended to be a dwelling unit that is smaller than the principal residence in the same building.

Separate system area means an area in which the City Engineer has required the separate disposal of storm water and sewage.

Service water heaterheater* means a device for heating water for plumbing services.

Sewage means any liquid waste other than clear-water waste or storm water.

Sewage sump means an approved airtight tank or pit which receives sewage or liquid waste and which is located below the normal grade of the gravity system and must be emptied by mechanical means.

Sewer means an underground drain or conduit to remove waste water and organic refuse.

Shower head means any fitting that transmits water for the purposes of showering and includes rain heads, rain tiles, rain systems, waterfalls, body sprays and jets. A hand-held shower shall be considered a shower head.

Single room accommodation means a room designated as accommodation pursuant to the Single Room Accommodation By-law.

Size means the nominal diameter by which a pipe, fitting, trap or other similar item is commercially designated.

Small suite means a suite classified as a Group A Division 2, Group D, Group E, Group F Division 2 (wholesale showroom) or Group F, Division 3 occupancy where the occupant load for the entire suite does not exceed 60 persons.

Soil means that portion of the earth's crust that is fragmentary, or such that some individual particles of a dried sample may be readily separated by agitation in water; it includes boulders, cobbles, gravel, sand, silt, clay and organic matter.

Soil-or-waste pipe or waste pipe means a pipe in a sanitary drainage system.

Soil-or-waste stack means a vertical soil-or-waste pipe that passes through one or more storeys, and includes any offset that is part of the stack.

Sprinkler contractor means a person licensed as a contractor pursuant to the License By-law and who is either a sprinkler system installer or a person who employs a sprinkler system installer on a full-time basis.

Sprinkler system means an automatic fire extinguishing system designed to the National Fire Protection Association 13, 13D or 13R standard and all applicable associated sprinkler standards, and which consists of a system of devices and equipment designed to automatically detect a fire and discharge water or another approved fire extinguishing agent in the area of or onto a fire.

Sprinkler system installer means a person who has successfully completed an accredited program as a Sprinkler System Installer under the Industry Training Authority Act and Industry Training Regulation of British Columbia.

Stack vent means a vent pipe that connects the top of a soil-or-waste stack to a vent header or to outside air. (See Figure A-1.4.1.2.(1)-J in Appendix A.)

Storage-type service water heaterheater* means a service water heater with an integral hot water storage tank.

Storey (as applying to plumbing) means the interval between 2 successive floor levels, including mezzanine floors that contain plumbing fixturesplumbing fixtures, or between a floor level and roof.

Storm building drain means a building drain that conducts storm water and is connected at its upstream end to a leader, sumpsump or catch basincatch basin, and at its downstream end to a building sewer or a designated storm water disposal location.

Storm building sewer means a building sewer that conveys storm water.

Storm drainage system means a drainage system that conveys storm water.

Storm sewer means a sewersewer that conveys storm water.

Storm water means water that is discharged from a surface as a result of rainfall or snowfall.

Street means a public road, highway, bridge, viaduct, lane, sidewalk, and any other way normally open to the use of the public, but does not include a private right-of-way on private property and, for the purposes only of Part 3 and Part 9 of this By-law, does not include a street less than 9 m in width, a lane or a sidewalk.

Subsoil drainage pipe means a pipe that is installed underground to intercept and convey subsurface water.

Suite Suite* means a single room or series of rooms of complementary use, operated under a single tenancy and includes dwelling units, individual guest rooms in motels, hotels, boarding houses, rooming houses and dormitories, as well as individual stores and individual or complementary rooms for business and personal services occupancies.

Sump means a receptacle installed between the storm or combined sewer and the building storm system to intercept the flow of deleterious matter into the building or public sewer and to prevent the outflow of sewer gas.

Supervisory staff means those occupants of a building who have some delegated responsibility for the fire safety of other occupants under the fire safety plan.

Temporary special event means a presentation of an artistic or cultural nature, including but not limited to visual, performing, media, literary, craft or interdisciplinary arts, for a maximum of 250 people, with or without liquor service, which occurs not more than two days per month in a building not approved for assembly occupancy.

Trade waste system means a system of drainage pipes from floor drains and hub drains located in food display areas that are intercepted by a trade waste sump and backwater valve before entering the sanitary building drain.

Trades safety coordinator means an agent, employee or officer of a company supplying, installing or using materials at a construction site who has been trained to understand and apply safe construction, installation or demolition techniques, as applicable, respecting those materials and their relationship to the worksite, neighbouring property, public utilities and the general public.

Training school means a School-Arts or Self-Improvement, School – Business, or School-Vocational or Trade, as defined in the Zoning & Development By-law.

Trap means a fitting or device that is designed to hold a liquid seal that will prevent the passage of gas but will not materially affect the flow of a liquid.

Trap arm means that portion of a fixture drain between the trap weir and the vent pipe fitting. (See Appendix Note A-2.5.6.3.(1) of Division B.)

Trap dip means the lowest part of the upper interior surface of a trap.

Trap seal depth means the vertical distance between the trap dip and the trap weir. (See Appendix Note A-2.2.3.1.(1) and (3) of Division B.)

Trap standard means the trap for a fixture that is integral with the support for the fixture.

Trap weir means the highest part of the lower interior surface of a trap. (See Appendix Note A-2.2.3.1.(1) and (3) of Division B.)

Two-family dwelling means

1. as applying to plumbing, a building containing only 2 self-contained dwelling units each served with a separate water connection, and
2. in all other cases, a building containing only two self-contained dwelling units.

Two-family dwelling with secondary suites means a building containing two self-contained dwelling units where each self-contained dwelling unit contains one secondary suite.

Unprotected opening (as applying to exposing building face) means a door, doorway, window or opening other than one equipped with a closure having the required fire-protection rating, or any part of a wall forming part of the exposing building face that has a fire-resistance rating less than that required for the exposing building face.

Unsafe condition means any condition that could cause undue hazard or risk to life, limb or health of any person authorized, expected, or anticipated to be on or about premises or a building or construction.

Vacuum breaker (see back-siphonage preventer).

Vent header means a vent pipe that connects any combination of stack vents or vent stacks to outside air. (See Figure A-1.4.1.2.(1)-L in Appendix A.)

Vent pipe means a pipe that is part of a venting system.

Vent stack means a vent pipe that is connected at its upper end to a vent header or that terminates in outside air and is connected at its lower end to the soil-or-waste stack at or below the lowest soil-or-waste pipe connection. (See Figure A-1.4.1.2.(1)-J in Appendix A.)

Venting system means an assembly of pipes and fittings that connects a drainage system with outside air for circulation of air and the protection of trap seals in the drainage system. (See Figures A-1.4.1.2.(1)-I and A-1.4.1.2.(1)-J in Appendix A.)

Waste pipe (see soil-or-waste pipe).

Water craft means any boat, hull, barge, or houseboat which is afloat, whether self-propelled or not, and includes pleasure and commercial craft.

Water distribution system means an assembly of pipes, fittings, valves and appurtenances that conveys water from the water service pipe or private water supply system to water supply outlets, fixtures, appliances and devices.

Water service pipe means a pipe that conveys water from a public water main or private water source to the inside of the building.

Water system means a private water supply system, a water service pipe, a water distribution system or parts thereof.

Wet vent means a soil-or-waste pipe that also serves as a vent pipe and extends from the most downstream wet-vented fixture connection to the most upstream fixture connection. (See Appendix Note A-2.5.8.1.(2) of Division B.)

Yoke vent means a vent pipe that is connected at its lower end to a soil-or-waste stack and at its upper end to a vent stack or to a branch vent connected to a vent stack. (See Appendix Note A-2.5.4.3. of Division B.)

Acceptable means acceptable to the Chief Building Official.

Acceptable equivalency means:

1. that the person proposing to use a plumbing fixture that does not conform with the specifications in this By-law must, at their expense, ensure that
   1. an independent qualified third party tests the plumbing fixture and documents that the plumbing fixture meets or exceeds the specifications of this By-law,
   2. the test procedures and documented results are reviewed and verified by an independent qualified registered professional,
   3. copies of all test procedures, documented results and verification reports are provided to the Chief Building Official, and
2. the test procedures, documented results and verification are acceptable.

Accepted means accepted by the Chief Building Official.

Addition means an alteration to any building which will increase the total aggregate floor area or the building height (in storeys).

Additional circuit vent means a vent pipe that is installed between a circuit vent and a relief vent to provide additional air circulation.

Air admittance valve means a one-way valve designed to allow air to enter the drainage system when the pressure in the plumbing system is less than the atmospheric pressure. (See Appendix Note A-2.2.10.16.(1) of Division B.)

Air break means the unobstructed vertical distance between the lowest point of an indirectly connected soil-or-waste pipe and the flood level rim of the fixture into which it discharges. (See Appendix Note A-2.3.3.11.(2) of Division B.)

Air gap means the unobstructed vertical distance through air between the lowest point of a water supply outlet and the flood level rim of the fixture or device into which the outlet discharges. (See Appendix Note A-2.6.2.9.(2) of Division B.)

Air space parcel has the meaning assigned to it by the Land Title Act of British Columbia.

Air-supported structure means a structure consisting of a pliable membrane which achieves and maintains its shape and support by internal air pressure.

Alloyed zinc means an alloy of zinc having the corrosion resistance and physical properties of an alloy containing 0.15% titanium, 0.74% copper and 99.11% zinc, and so tempered as to be capable of being formed into the shape required for a watertight joint.

Alteration means a change or extension to any matter or thing or to any occupancy regulated by this By-law.

Apprentice means a regularly indentured apprentice under the provisions of the Industry Training Authority Act of British Columbia.

Approved (as used in Book II) means accepted.

Area of refuge means a space that facilitates a safe delay in egress, is sufficiently protected from fire conditions developing in the floor area, and provides direct access to an exit or firefighters' elevator.

Artist Live/Work Studio means an Artist Studio and a Residential Unit associated with and forming an integral part of an Artist Studio, as defined in the Zoning and Development By-law.

Artist studio — Class A means Artist studio-Class A as defined in the Zoning and Development By-law.

Artist studio — Class B means Artist studio-Class B as defined in the Zoning and Development By-law.

Arts and culture indoor event means an event of an artistic or cultural nature, including but not limited to visual, performing, media, literary, craft or interdisciplinary arts, for a maximum of 250 persons, with or without liquor service, which occurs not more than three days per month in a building or portion of a building not approved for assembly occupancy.

Assembly occupancy means the occupancy or the use of a building, or part thereof, by a gathering of persons for civic, political, travel, religious, social, educational, recreational or like purposes, or for the consumption of food or drink.

Auxiliary water supply means any water supply on or available to the premises other than the primary potable water supply. (See Appendix A.)

Backflow means a flowing back or reversal of the normal direction of the flow.

Backflow preventer means a device or a method that prevents backflow. (See Figure A-1.4.1.2.(1)-D in Appendix A.)

Back pressure means pressure higher than the supply pressure.

Back-siphonage means backflow caused by a negative pressure in the supply system. (See Figure A-1.4.1.2.(1)-E in Appendix A.)

Back-siphonage preventer (or vacuum breaker) means a device or a method that prevents back-siphonage. (See Figure A-1.4.1.2.(1)-F in Appendix A.)

Backwater valve means a check valve designed for use in a gravity drainage system.

Bathroom group means one lavatory basin, one water closet and one bathtub or maximum 2 head shower drain.means a group of plumbing fixtures installed in the same room, consisting of one domestic-type lavatory, one water closet and either one bathtub (with or without a shower) or one one-head shower.

Branch means a soil-or-waste pipe connected at its upstream end to the junction of 2 or more soil-or-waste pipes or to a soil-or-waste stack, and connected at its downstream end to another branch, a sumpsump, a soil-or-waste stack or a building drain. (See Figure A-1.4.1.2.(1)-I in Appendix A.)

Branch vent means a vent pipe that is connected at its lower end to the junction of 2 or more vent pipes, and at its upper end, either to another branch vent or to a stack vent, vent stack or vent header, or terminates in open air. (See Figure A-1.4.1.2.(1)-G in Appendix A.)

Building Building* means any structure used or intended for supporting or sheltering any use or occupancy, including any float home or marina and any retaining structures greater than 1.2 m in height..

Building drain means the lowest horizontal piping, including any vertical offset, that conducts sewage, clear-water waste or storm water by gravity to a building sewer. (See Figure A-1.4.1.2.(1)-I in Appendix A.)

Building energy use means non site-renewable energy used for space heating, cooking and/or operation of buildings intended for human occupancy.

Building Envelope Professional means a member of the Architectural Institute of British Columbia or the Association of Professional Engineers and Geoscientists of British Columbia.

Building height (in storeys) means the number of storeys contained between the roof and the floor of the first storey.

Building sewer means a pipe that is connected to a building drain 1 m outside a wall of a building and that leads to a public sewersewer or private sewage disposal system.

Building trap means a trap that is installed in a building drain or building sewer to prevent the circulation of air between a drainage system and a public sewersewer. (See Appendix Note A-2.4.5.4.(1) of Division B.)

Care or detention occupancy means the occupancy or use of a building or part thereof by persons who require special care or treatment because of cognitive or physical limitations or by persons who are restrained from, or are incapable of, self-preservation because of security measures not under their control.

Catch basin means a receptacle installed to intercept the flow of deleterious matter into the building sewer or public sewer and to prevent the outflow of sewer gas, but does not include a sump.

Certified Professional means a Certified Professional as defined in the Certification of Professionals By-law.

Chief Building Official means the City Building Inspector, and any person authorized to act on behalf of the City Building Inspector.

Check valve means a valve that permits flow in one direction but prevents a return flow.

Chimney means a primarily vertical shaft enclosing at least one flue for conducting flue gases to the outdoors.

Child Care Facility means a care facility within the meaning of the Child Care Licensing Regulation of the Community Care and Assisted Living Act.

Children means persons under the age of 13 years.

Circuit vent means a vent pipe that serves a number of fixtures and connects to the fixture drain of the most upstream fixture.

City means the City of Vancouver.

City Building Inspector means the person appointed as such by City Council pursuant to the provisions of the Vancouver Charter.

City Engineer means the person appointed as such by City Council pursuant to the provisions of the Vancouver Charter.

Class 1 fire sprinkler/standpipe system means an assembly of pipes and fittings that conveys water from the water service pipe to the sprinkler/standpipe system's outlets, is directly connected to the public water supply main only, has no pumps or reservoirs, and in which the sprinkler drains discharge to the atmosphere, to dry wells or to other safe outlets.

Class 2 fire sprinkler/standpipe system means a Class 1 fire sprinkler/standpipe system that includes a booster pump in its connection to the public water supply main.

Class 3 fire sprinkler/standpipe system means an assembly of pipes and fittings that conveys water from the water service pipe to the sprinkler/standpipe system's outlets and is directly connected to the public water supply main as well as to one or more of the following storage facilities, which are filled from the public water supply main only: elevated water storage, fire pumps supplying water from aboveground covered reservoirs, or pressure tanks. The water in this sprinkler/standpipe system must be maintained in potable condition. (See Appendix A.)

Class 4 fire sprinkler/standpipe system means an assembly of pipes and fittings that conveys water from the water service pipe to the sprinkler/standpipe system's outlets and is directly connected to the public water supply main (similar to Class 1 and Class 2 fire sprinkler/standpipe systems) and to an auxiliary water supply dedicated to fire department use that is located within 520 m of a pumper connection.

Class 5 fire sprinkler/standpipe system means an assembly of pipes and fittings that conveys water from the water service pipe to the sprinkler/standpipe system's outlets and is directly connected to the public water supply main and also interconnected with an auxiliary water supply.

Class 6 fire sprinkler/standpipe system means an assembly of pipes and fittings that conveys water from the water service pipe to the sprinkler/standpipe system's outlets and acts as a combined industrial water supply and fire protection system supplied from the public water supply main only, with or without gravity storage or pump suction tanks.

Cleanout means an access provided in drainage and venting systems to provide for cleaning and inspection services.

Clear-water waste means waste water with impurity levels that will not be harmful to health and may include cooling water and condensate drainage from refrigeration and air-conditioning equipment and cooled condensate from steam heating systems, but does not include storm water. (See Appendix A.)

Combined building drain means a building drain that is intended to conduct sewage and storm water.

Combined building sewer means a building sewer that is intended to conduct sewage and storm water.

Combined sewer means a sewersewer that is intended to conduct sewage and storm water.

Combustible Combustible* means that a material fails to meet the acceptance criteria of CAN/ULC-S114, “Test for Determination of Non-Combustibility in Building Materials.”

Combustible construction means that type of construction that does not meet the requirements for noncombustible construction.

Community Care Facility means Community Care Facility as defined in the Zoning & Development By-law.

Construction means, with respect to a building: erection, repair, alteration, enlargement, addition, demolition, deconstruction, removal and excavation.

Construction Safety Officer means a person who has been trained specifically to understand and apply safe construction practice as it relates to the worksite and as it affects the public, neighbouring properties and utilities, and who has been retained by the owner, or the owner's principal contractor or project manager, to coordinate all sub trade supervisors relating to construction safety at the project site.

Construction Safety Plan means a plan containing construction procedures and fire safety measures designed to protect workers on a project, neighbouring private property, public property, and members of the general public.

Constructor means a person who contracts with an owner or their authorized agent to undertake a project, and includes an owner who contracts with more than one person for the work on a project or undertakes the work on a project or any part thereof.

Container means a metal transportable structure designed for the storage and transport of goods, the typical dimensions of which are 2.44 m in width, 2.59 m in height, and 6.1 m in length.

Continuous vent means a vent pipe that is an extension of a vertical section of a branch or fixture drain. (See Figure A-1.4.1.2.(1)-H in Appendix A.)

Contractor means a person who contracts with an owner or an authorized agent of an owner to undertake a project, and includes an owner who contracts with more than one person for the work on a project or undertakes the work on a project or any part thereof.

Critical level means the level of submergence at which the back-siphonage preventer ceases to prevent back-siphonage.

Dead end means a pipe that terminates with a closed fitting.

Deconstruction means demolition by systematic disassembly of a building resulting in the reuse, recycling or recovery of no less than 75% of all building materials, excluding materials which are hazardous or banned from landfill.

Demolition means the action or process of demolishing a building, and includes deconstruction.

Designated flood means a flood which may occur in any given year, of such magnitude as to equal a flood having a 200 year return period.

Designated flood plain means those lands in the City which are hereby designated, for the purposes of section 306(cc) of the Vancouver Charter, as flood plains susceptible to flooding and subject to flood construction level requirements, and those lands so designated include:

1. lands located in the proximity to the natural boundary of the Burrard Inlet, English Bay, False Creek and the Fraser River, which are located within the areas shown crosshatched on the maps attached to this By-law as Diagrams A1 and A2. (See Appendix A Figure A-1.4.1.2.(1)-A for Diagram A1: Burrard Inlet, English Bay, False Creek and Fraser River flood plains and Figure A-1.4.1.2.(1)-B for Diagram A2: Burrard Inlet, English Bay, False Creek and Fraser River flood plain, wave effect zone.); and
2. lands located in the areas shown crosshatched on the map attached to this By-law as Diagram B. (See Appendix A Figure A-1.4.1.2.(1)-C for Diagram B: Still Creek flood plain and flood construction levels.)

Designated Structural Engineer (Struct. Eng.) means a person who is registered or licensed to practice as a professional engineer under the Engineers and Geoscientists Act of British Columbia, and a person who is designated by the Association of Professional Engineers and Geoscientists of British Columbia as a Designated Structural Engineer.

Developed length means the length along the centre line of the pipe and fittings. (See Appendix Note A-2.5.6.3.(1) of Division B.)

Directly connected means physically connected in such a way that water or gas cannot escape from the connection.

Drainage system means an assembly of pipes, fittings, fixtures, traps and appurtenances that is used to convey sewage, clear-water waste or storm water to a public sewersewer or a private sewage disposal system, but does not include subsoil drainage pipes. (See Figure A-1.4.1.2.(1)-I in Appendix A.)

Dual vent means a vent pipe that serves 2 fixtures and connects at the junction of the trap arms. (See Figure A-1.4.1.2.(1)-J in Appendix A.)

Dwelling unitunit* means a suite operated as a housekeeping unit used or intended to be used by one or more persons and usually containing cooking, eating, living, sleeping and sanitary facilities.

Emergency floor drain means a fixture for the purposes of overflow protection that does not receive regular discharge from other fixtures, other than from a trap primer. (See Appendix A.)

Excavation means the space created by the removal of soil, rock or fill for the purposes of construction.

Existing building means a building lawfully constructed and completed under a permit before submission of the current permit application.

Exit means that part of a means of egress, including doorways, that leads from the floor area it serves to a separate building, an open public thoroughfare, or an exterior open space protected from fire exposure from the building and having access to an open public thoroughfare. (See Appendix A.)

Field review means a review of the work

• at a building site, and
• where applicable, at locations where building components are fabricated for use at the building site

that a registered professional in his or her professional discretion considers necessary to ascertain whether the work substantially complies in all material respects with the plans and supporting documents prepared by a registered professional.

Fire compartment means an enclosed space in a building that is separated from all other parts of the building by enclosing construction providing a fire separation having a required fire-resistance rating.

Fire load (as applying to an occupancy) means the combustible contents of a room or floor area expressed in terms of the average weight of combustible materials per unit area, from which the potential heat liberation may be calculated based on the calorific value of the materials, and includes the furnishings, finished floor, wall and ceiling finishes, trim and temporary and movable partitions.

Fire separation Fire separation* means a constructionconstruction assembly that acts as a barrier against the spread of fire.

Fire service pipe means a pipe that conveys water from a public water main or private water source to the inside of a building for the purpose of supplying the fire sprinkler or standpipe systems.

Fixture means a receptacle, appliance, apparatus or other device that discharges sewage or clear-water waste, and includes a floor drainfloor drain.

Fixture drain means the pipe that connects a trap serving a fixture to another part of a drainage system.

Fixture outlet pipe means a pipe that connects the waste opening of a fixture to the trap serving the fixture. (See Figure A-1.4.1.2.(1)-K in Appendix A.)

Fixture unit (as applying to drainage systems) means the unit of measure based on the rate of discharge, time of operation and frequency of use of a fixture that expresses the hydraulic load that is imposed by that fixture on the drainage system.

Fixture unit (as applying to water distribution systems) means the unit of measure based on the rate of supply, time of operation and frequency of use of a fixture or outlet that expresses the hydraulic load that is imposed by that fixture or outlet on the supply system.

Float home means any structure incorporating a floatation system, intended for use or occupancy or being used or occupied for residential purposes, containing one dwelling unit only, and not primarily intended for, or useable in, navigation, but does not include any water craft designed or intended for navigation.

Flood construction level means the minimum elevation of the underside of a floor system, or of the top of a concrete slab, of a building which is used or may be used for habitation, business, or for the storage of goods which may be damaged by flood water.

Flood construction level requirements means

1. on the Burrard Inlet, English Bay, False Creek and Fraser River flood plains:
   1. for buildings located within the areas shown crosshatched on the map attached to this By-law, the underside of a floor system or the top of a concrete slab of a buildings used for habitation, business or storage of goods, shall not be lower than 4.6 m Greater Vancouver Regional District datum. (See Appendix A Figure A-1.4.1.2.(1)-A for Diagram A1: Burrard Inlet, English Bay, False Creek and Fraser River flood plains); and
   2. for buildings located in the areas shown crosshatched on the map attached to this By-law, an additional elevation allowance above 4.6 m may be required for wave run-up, at a level as determined by a Professional Engineer and to the satisfaction of the Chief Building Official. (See Appendix A Figure A-1.4.1.2.(1)-B for Diagram A2: Burrard Inlet, English Bay, False Creek and Fraser River flood plain wave effect zone); and
2. on the Still Creek flood plain:
   1. the underside of a floor system or the top of a concrete slab of any buildings used for habitation, business or storage of goods shall not be lower than the applicable elevation shown on the map attached to this By-law. (See Appendix A Figure A-1.4.1.2.(1)-C for Diagram B: Still Creek flood plain and flood construction levels.)

Flood level rim means the top edge at which water can overflow from a fixture or device. (See Figure A-1.4.1.2.(1)-E in Appendix A.)

Floor area means the space on any storey of a building between exterior walls and required firewalls, including the space occupied by interior walls and partitions, but not including exits, vertical service spaces, and their enclosing assemblies.

Floor drain means a fixture used to receive water from the floor of a building.

Flow control roof drain means a roof drain that restricts the flow of storm water into the storm drainage system.

Fresh air inlet means a vent pipe that is installed in conjunction with a building trap and terminates outdoors. (See Appendix Note A-2.4.5.4.(1) of Division B.)

General Manager, Park Board means the person appointed as such by the Park Board.

General Manager, Real Estate and Facilities Management means the person appointed as such by City Council

Green house gases means any gas that contributes to a gradual warming of the Earth’s climate as a result of increased heat retention.

Green roof means a structure constructed on top of a roof, which is designed to support the growth of vegetation and to capture rainwater.

Green roof assembly means the components of a green roof and includes a waterproof barrier which is impervious to root migration, a filtering layer, roof drainage, soil or other growing medium and plants, installed on top of a roof assembly.

Grooming station means facilities for grooming which are separated from washrooms and which contain a mirror, an electrical outlet and a countertop.

Group Residence means Group Residence as defined in the Zoning & Development By-law.

Heritage building means a building that is legally protected or officially recognized as a heritage property by the Province of British Columbia or the City, or a building that, in the opinion of the City Building Inspector, has sufficient heritage value or heritage character to justify its conservation. (See Appendix A.)

Indirect service water heaterheater* means a service water heater that derives its heat from a heating medium such as warm air, steam or hot water.

Indirectly connected means not directly connected. (See Appendix Note A-2.3.3.11.(2) of Division B.)

Individual vent means a vent pipe that serves one fixture.

Industrial flex space means an industrial use which is located in a new building containing Group C major occupancies.

Interceptor means a receptacle that is installed to prevent oil, grease, sand or other materials from passing into a drainage system.

Journeyman plumber means a person, other than an apprentice, who holds a certificate issued pursuant to the provisions of the Industry Training Authority Act of British Columbia authorizing the person to engage in the plumbing trade.

Lane means a public thoroughfare or way not more than 10.1 m in width which affords only a secondary means of access to a site, at the side or rear.

Laneway house means a detached dwelling unit constructed in the rear yard of a parcel on which is situate a one-family dwelling or one-family dwelling with secondary suite.

Licensed Beverage Establishment means an assembly occupancy or part thereof, where people may consume alcohol in a Class 2-restaurant as defined in the Zoning and Development By-law, lounge, recreational centre, community hall, cabaret, pub, neighbourhood public house, marine public house and similar facility.

Leader means a pipe that is installed to carry storm water from a roof to a storm building drain or sewer or other place of disposal.

Liveaboard vessel means any water craft intended primarily for use in navigation and used for residential purposes.

Live load means a variable load due to the intended use and occupancy that is to be assumed in the design of the structural members of a building. It includes loads due to cranes and the pressure of liquids in containers.

Lock-off unit means a smaller dwelling unit within a larger principal dwelling unit, which must have separate external access and shared internal access, and which can be locked off from the larger dwelling unit, but does not include a secondary suite.

Major occupancy means the principal occupancy for which a building or part thereof is used or intended to be used, and shall be deemed to include the subsidiary occupancies that are an integral part of the principal occupancy. The major occupancy classifications used in this Code are as follows:

A1Assembly occupancies intended for the production and viewing of the performing arts

A2Assembly occupancies not elsewhere classified in Group A

A3Assembly occupancies of the arena type

A4Assembly occupancies in which the occupants are gathered in the open air

B1Detention occupancies in which persons are under restraint or are incapable of self-preservation because of security measures not under their control

B2Treatment occupancies

B3Care occupancies

CResidential occupancies

DBusiness and personal services occupancies

EMercantile occupancies

F1High-hazard industrial occupancies

F2Medium-hazard industrial occupancies

F3Low-hazard industrial occupancies

Marina means any structure or installation, including marina walkways, which provides moorage space for water craft.

Marina walkway means any surface extending over navigable water used to accommodate pedestrian traffic, and used so that water craft and float homes may lie alongside to receive and discharge cargo and passengers.

Marine toilet means any toilet on or within a water craft.

Multi-family means a residential occupancy with more than two dwelling units.

Natural boundary means the visible high water mark of any lake, river, stream or other body of water where the presence and action of the water are so common and usual, and so long continued in all ordinary years, as to mark on the soil of the bed of the body of water a character distinct from that of its banks, in vegetation, as well as in the nature of the soil itself.

Nominally horizontal means at an angle of less than 45° with the horizontal. (See Figure A-1.4.1.2.(1)-M in Appendix A.)

Nominally vertical means at an angle of not more than 45° with the vertical. (See Figure A-1.4.1.2.(1)-M in Appendix A.)

Noncombustible Noncombustible* means that a material meets the acceptance criteria of CAN/ULC-S114, “Test for Determination of Non-Combustibility in Building Materials.”

Noncombustible construction means that type of construction in which a degree of fire safety is attained by the use of noncombustible materials for structural members and other building assemblies.

Occupancy Occupancy* means the use or intended use of a building or part thereof for the shelter or support of persons, animals or property.

Occupant load means the number of persons for which a building or part thereof is designed.

Offset means the piping that connects the ends of 2 pipes that are parallel. (See Figure A-1.4.1.2.(1)-N in Appendix A.)

Offset relief vent means a relief vent that provides additional air circulation upstream and downstream of an offset in a soil-or-waste stack. (See Appendix Note A-2.5.4.4.(1) of Division B.)

One-family dwelling means a building containing only one dwelling unit.

One-family dwelling with secondary suite means a building containing only two dwelling units of which the secondary suite is smaller than the principal residence.

Owner means a registered owner, a holder of an agreement for sale and purchase and, in the case of Crown-owned lands, owner means the occupier.

Permit means permission or authorization in writing by the Chief Building Official to perform work regulated by this By-law and, in the case of an occupancy permit, to occupy any building or part thereof.

Plumbing contractor means a person licensed as a contractor pursuant to the License By-law and who is either a plumber or a person who employs a plumber on a full time basis.

Plumbing fixtures means installed receptacles, devices or appliances, including floor drains and roof drains and swimming pools, which are supplied with water or which receive liquid or liquid-borne wastes and discharge such wastes into the drainage system to which they may be directly or indirectly connected, except that industrial or commercial tanks, vats and similar processing equipment are not plumbing fixtures, but may be connected to or discharge into traps or plumbing fixtures which are in compliance with or otherwise provided for in this By-law.

Plumbing Inspector means any person appointed as such by the Chief Building Official.

Plumbing systemsystem* means a drainage system, a venting system and a water system or parts thereof. (See Figure A-1.4.1.2.(1)-O in Appendix A.)

Potable means safe for human consumption.

Pre-rinse spray valve means a handheld device for use with commercial dishwashing and ware washing equipment that sprays water on dishes, flatware, and other food service items for the purpose of removing food residue before cleaning and sanitizing the items.

Private sewage disposal systemsystem* means a privately owned plant for the treatment and disposal of sewage (such as a septic tank with an absorption field).

Private use (as applying to the classification of plumbing plumbing fixtures) means fixtures in residences and apartments, in private bathrooms of hotels, and in similar installations in other buildings for one family or an individual.

Private water supply system means an assembly of pipes, fittings, valves, equipment and appurtenances that supplies water from a private source to a water distribution system.

Project means any construction, alteration or demolition operation.

Public bike share means a service that provides the general public with an opportunity to rent bicycles through an automated system, on a short term basis for use within the City as part of a network comprised of no fewer than 50 public bike share stations located on separate sites.

Public bike share station means a bicycle sharing facility where bicycles are stored and from which the general public may rent and return bicycles and other objects or equipment necessary for or appurtenant to the operation of a public bike share.

Public sewer connection means that part of the public sewer which connects or is intended to connect a building sewer with any public sewer.

Public use (as applying to the classification of plumbing plumbing fixtures) means fixtures in general washrooms of schools, gymnasiums, hotels, bars, public comfort stations and other installations where fixtures are installed so that their use is unrestricted.

Pump-out facility means a device or method for the removal of sewage from a holding tank connected to a marine toilet or from a self-contained marine toilet.

Registered professional means

• a person who is registered or licensed to practise as an architect under the Architects Act, or
• a person who is registered or licensed to practise as a professional engineer under the Engineers and Geoscientists Act.

Registered professional of record means a registered professional retained to undertake design work and field reviews in accordance with Subsection 2.2.7. of Division C of Book I (General) of this By-law.

Relief vent means a vent pipe that is used in conjunction with a circuit vent to provide additional air circulation between a drainage system and a venting system.

Re-occupancy permit means permission or authorization in writing by the Chief Building Official to re-occupy any building or part thereof in respect of which the Chief Building Official has issued an order to cease occupancy because of an unsafe condition.

Residential full flow-through fire sprinkler/standpipe system means an assembly of pipes and fittings installed in a one-one- or two-family dwellingtwo-familydwelling that conveys water from the water service pipe to the sprinkler/standpipe system's outlets and is fully integrated into the potable water system to ensure a regular flow of water through all parts of both systems.

Residential occupancy means the occupancy or use of a building or part thereof by persons for whom sleeping accommodation is provided but who are not harboured for the purpose of receiving care or treatment and are not involuntarily detained.

Residential partial flow-through fire sprinkler/standpipe system means an assembly of pipes and fittings installed in a one-one- or two-family dwellingtwo-familydwelling that conveys water from the water service pipe to the sprinkler/standpipe system's outlets and in which flow, during inactive periods of the sprinkler/standpipe system, occurs only through the main header to the water closet located at the farthest point of the two systems.

Riser means a water distribution pipe that extends through at least one full storey.

Roof drain means a fitting or device that is installed in the roof to permit storm water to discharge into a leader.

Roof gutter means an exterior channel installed at the base of a sloped roof to convey storm water.

Row housing means a building of residential occupancy where no dwelling unit is located above another dwelling unit and there is no common interior or exterior means of egress.

Sanitary building drain means a building drain that conducts sewage to a building sewer from the most upstream soil-or-waste stack, branch or fixture drain serving a water closet.

Sanitary building sewer means a building sewer that conducts sewage.

Sanitary drainage systemsystem* means a drainage system that conducts sewage.

Sanitary sewer means a sewersewer that conducts sewage.

Secondary suite means that area of a building that is intended to be a dwelling unit that is smaller than the principal residence in the same building.

Separate system area means an area in which the City Engineer has required the separate disposal of storm water and sewage.

Service water heaterheater* means a device for heating water for plumbing services.

Sewage means any liquid waste other than clear-water waste or storm water.

Sewage sump means an approved airtight tank or pit which receives sewage or liquid waste and which is located below the normal grade of the gravity system and must be emptied by mechanical means.

Sewer means an underground drain or conduit to remove waste water and organic refuse.

Shower head means any fitting that transmits water for the purposes of showering and includes rain heads, rain tiles, rain systems, waterfalls, body sprays and jets. A hand-held shower shall be considered a shower head.

Single room accommodation means a room designated as accommodation pursuant to the Single Room Accommodation By-law.

Size means the nominal diameter by which a pipe, fitting, trap or other similar item is commercially designated.

Small suite means a suite classified as a Group A Division 2, Group D, Group E, Group F Division 2 (wholesale showroom) or Group F, Division 3 occupancy where the occupant load for the entire suite does not exceed 60 persons.

Soil means that portion of the earth's crust that is fragmentary, or such that some individual particles of a dried sample may be readily separated by agitation in water; it includes boulders, cobbles, gravel, sand, silt, clay and organic matter.

Soil-or-waste pipe or waste pipe means a pipe in a sanitary drainage system.

Soil-or-waste stack means a vertical soil-or-waste pipe that passes through one or more storeys, and includes any offset that is part of the stack.

Sprinkler contractor means a person licensed as a contractor pursuant to the License By-law and who is either a sprinkler system installer or a person who employs a sprinkler system installer on a full-time basis.

Sprinkler system means an automatic fire extinguishing system designed to the National Fire Protection Association 13, 13D or 13R standard and all applicable associated sprinkler standards, and which consists of a system of devices and equipment designed to automatically detect a fire and discharge water or another approved fire extinguishing agent in the area of or onto a fire.

Sprinkler system installer means a person who has successfully completed an accredited program as a Sprinkler System Installer under the Industry Training Authority Act and Industry Training Regulation of British Columbia.

Stack vent means a vent pipe that connects the top of a soil-or-waste stack to a vent header or to outside air. (See Figure A-1.4.1.2.(1)-J in Appendix A.)

Storage-type service water heaterheater* means a service water heater with an integral hot water storage tank.

Storey (as applying to plumbing) means the interval between 2 successive floor levels, including mezzanine floors that contain plumbing fixturesplumbing fixtures, or between a floor level and roof.

Storm building drain means a building drain that conducts storm water and is connected at its upstream end to a leader, sumpsump or catch basincatch basin, and at its downstream end to a building sewer or a designated storm water disposal location.

Storm building sewer means a building sewer that conveys storm water.

Storm drainage system means a drainage system that conveys storm water.

Storm sewer means a sewersewer that conveys storm water.

Storm water means water that is discharged from a surface as a result of rainfall or snowfall.

Street means a public road, highway, bridge, viaduct, lane, sidewalk, and any other way normally open to the use of the public, but does not include a private right-of-way on private property and, for the purposes only of Part 3 and Part 9 of this By-law, does not include a street less than 9 m in width, a lane or a sidewalk.

Subsoil drainage pipe means a pipe that is installed underground to intercept and convey subsurface water.

Suite Suite* means a single room or series of rooms of complementary use, operated under a single tenancy and includes dwelling units, individual guest rooms in motels, hotels, boarding houses, rooming houses and dormitories, as well as individual stores and individual or complementary rooms for business and personal services occupancies.

Sump means a receptacle installed between the storm or combined sewer and the building storm system to intercept the flow of deleterious matter into the building or public sewer and to prevent the outflow of sewer gas.

Supervisory staff means those occupants of a building who have some delegated responsibility for the fire safety of other occupants under the fire safety plan.

Temporary special event means a presentation of an artistic or cultural nature, including but not limited to visual, performing, media, literary, craft or interdisciplinary arts, for a maximum of 250 people, with or without liquor service, which occurs not more than two days per month in a building not approved for assembly occupancy.

Trade waste system means a system of drainage pipes from floor drains and hub drains located in food display areas that are intercepted by a trade waste sump and backwater valve before entering the sanitary building drain.

Trades safety coordinator means an agent, employee or officer of a company supplying, installing or using materials at a construction site who has been trained to understand and apply safe construction, installation or demolition techniques, as applicable, respecting those materials and their relationship to the worksite, neighbouring property, public utilities and the general public.

Training school means a School-Arts or Self-Improvement, School – Business, or School-Vocational or Trade, as defined in the Zoning & Development By-law.

Trap means a fitting or device that is designed to hold a liquid seal that will prevent the passage of gas but will not materially affect the flow of a liquid.

Trap arm means that portion of a fixture drain between the trap weir and the vent pipe fitting. (See Appendix Note A-2.5.6.3.(1) of Division B.)

Trap dip means the lowest part of the upper interior surface of a trap.

Trap seal depth means the vertical distance between the trap dip and the trap weir. (See Appendix Note A-2.2.3.1.(1) and (3) of Division B.)

Trap standard means the trap for a fixture that is integral with the support for the fixture.

Trap weir means the highest part of the lower interior surface of a trap. (See Appendix Note A-2.2.3.1.(1) and (3) of Division B.)

Two-family dwelling means

1. as applying to plumbing, a building containing only 2 self-contained dwelling units each served with a separate water connection, and
2. in all other cases, a building containing only two self-contained dwelling units.

Two-family dwelling with secondary suites means a building containing two self-contained dwelling units where each self-contained dwelling unit contains one secondary suite.

Unprotected opening (as applying to exposing building face) means a door, doorway, window or opening other than one equipped with a closure having the required fire-protection rating, or any part of a wall forming part of the exposing building face that has a fire-resistance rating less than that required for the exposing building face.

Unsafe condition means any condition that could cause undue hazard or risk to life, limb or health of any person authorized, expected, or anticipated to be on or about premises or a building or construction.

Vacuum breaker (see back-siphonage preventer).

Vent header means a vent pipe that connects any combination of stack vents or vent stacks to outside air. (See Figure A-1.4.1.2.(1)-L in Appendix A.)

Vent pipe means a pipe that is part of a venting system.

Vent stack means a vent pipe that is connected at its upper end to a vent header or that terminates in outside air and is connected at its lower end to the soil-or-waste stack at or below the lowest soil-or-waste pipe connection. (See Figure A-1.4.1.2.(1)-J in Appendix A.)

Venting system means an assembly of pipes and fittings that connects a drainage system with outside air for circulation of air and the protection of trap seals in the drainage system. (See Figures A-1.4.1.2.(1)-I and A-1.4.1.2.(1)-J in Appendix A.)

Waste pipe (see soil-or-waste pipe).

Water craft means any boat, hull, barge, or houseboat which is afloat, whether self-propelled or not, and includes pleasure and commercial craft.

Water distribution system means an assembly of pipes, fittings, valves and appurtenances that conveys water from the water service pipe or private water supply system to water supply outlets, fixtures, appliances and devices.

Water service pipe means a pipe that conveys water from a public water main or private water source to the inside of the building.

Water system means a private water supply system, a water service pipe, a water distribution system or parts thereof.

Wet vent means a soil-or-waste pipe that also serves as a vent pipe and extends from the most downstream wet-vented fixture connection to the most upstream fixture connection. (See Appendix Note A-2.5.8.1.(2) of Division B.)

Yoke vent means a vent pipe that is connected at its lower end to a soil-or-waste stack and at its upper end to a vent stack or to a branch vent connected to a vent stack. (See Appendix Note A-2.5.4.3. of Division B.)