Division B
Acceptable Solutions
Part 1 — General
Section 1.1. General
1.1.1. Application
1.1.1.1. Application
2)
When an existing building is altered and the alteration triggers upgrading as determined by this By-law, alternative provisions in Part 11 of Division B may be used instead of the requirements of this
Part. (See Article 1.1.1.2. of Division A.)


1.1.2. Objectives and Functional Statements
1.1.2.1. Attributions to Acceptable Solutions
1) For the purpose of compliance with this
By-law
as required in Clause 1.2.1.1.(1)(b) of Division A, the objectives and functional statements attributed to the acceptable solutions in Division B shall be the objectives and functional statements identified in Sections 3.9., 4.5., 5.11., 6.4., 7.2., 8.3.,
9.38. and 10.5 10.5.
(See Appendix A.)




1.1.3. Climatic and Seismic Data
1.1.3.1. Climatic and Seismic Values
1)
Except as required by Sentence (3), the
climatic and seismic values required for the design of buildings under this By-law shall be in conformance
with Table 1.1.3.1.A and Table 1.1.3.1.B.



Table 1.1.3.1.A Climatic Data for the City of Vancouver – Except Granville & 41st Avenue Forming part of Sentence 1.1.3.1.(1) | ||||
1. | January 2.5% Design Temperature | -7°C | ||
2. | January 1% Design Temperature | -9°C | ||
3. | July 2.5% Design Dry-bulb Temperature | 28°C | ||
4. | July 2.5% Design Wet-bulb Temperature | 20°C | ||
5. | Degree-days below 18°C | 2 925 | ||
6. | Ground Snow Load | |||
Ground Snow Load, 1/50 (Ss) | 1.8 kPa | |||
Associated Rain Load, 1/50 (Sr) | 0.2 kPa | |||
7. | Hourly Wind Pressures | |||
Probability 1/10 | 0.35 kPa | |||
Probability 1/50 | 0.45 kPa | |||
8. | Seismic Data: | |||
5% Damped Spectral Response Acceleration Sa(T) | ||||
Sa(0.2) | 0.94 | |||
Sa(0.5) | 0.64 | |||
Sa(1.0) | 0.33 | |||
Sa(2.0) | 0.17 | |||
Peak Ground Acceleration, PGA | 0.46 | |||
9. | 15-minute Rainfall | 10 mm | ||
10. | One-day Rainfall, 1/50 | 112 mm | ||
11. | Annual Rainfall | 1 325 mm | ||
12. | Moisture Index | 1.44 | ||
13. | Annual Total Precipitation | 1 400 mm | ||
14. | Driving Rain Wind Pressures, 1/5 | 160 Pa |
Table 1.1.3.1.B Climatic Data for the City of Vancouver – For Granville & 41st Avenue Forming part of Sentence 1.1.3.1.(1) | ||||
1. | January 2.5% Design Temperature | -6°C | ||
2. | January 1% Design Temperature | -8°C | ||
3. | July 2.5% Design Dry-bulb Temperature | 28°C | ||
4. | July 2.5% Design Wet-bulb Temperature | 20°C | ||
5. | Degree-days below 18°C | 2 925 | ||
6. | Ground Snow Load | |||
Ground Snow Load, 1/50 (Ss) | 1.9 kPa | |||
Associated Rain Load, 1/50 (Sr) | 0.3 kPa | |||
7. | Hourly Wind Pressures | |||
Probability 1/10 | 0.35 kPa | |||
Probability 1/50 | 0.45 kPa | |||
8. | Seismic Data: | |||
5% Damped Spectral Response Acceleration Sa(T) | ||||
Sa(0.2) | 0.95 | |||
Sa(0.5) | 0.65 | |||
Sa(1.0) | 0.34 | |||
Sa(2.0) | 0.17 | |||
Peak Ground Acceleration, PGA | 0.47 | |||
9. | 15-minute Rainfall | 10 mm | ||
10. | One-day Rainfall, 1/50 | 107 mm | ||
11. | Annual Rainfall | 1 325 mm | ||
12. | Moisture Index | 1.44 | ||
13. | Annual Total Precipitation | 1 400 mm | ||
14. | Driving Rain Wind Pressures, 1/5 | 160 Pa![]() |
2) The outside winter design temperatures
shall be those listed in Table 1.1.3.1.A and Table 1.1.3.1.B for the January
2.5 per cent values
. (See Appendix A.)


3)
The driving rain wind pressure (DRWP) values in Table A.1 of CSA A440S1, “Canadian Supplement to AAMA/WDMA/CSA 101/I.S.2/A440, NAFS - North American Fenestration
Standard/Specification for Windows, Doors and Skylights,” shall be used for selecting the performance grades of windows, doors and skylights,
as required by Article 5.10.2.2. and Subsection 9.7.4.


1.1.3.2. Depth of Frost Penetration
1) Depth of frost penetration shall be
no less than 450 mm
.


1.1.4. Fire Safety Plan
1.1.4.1. Fire Safety Plan
1) Fire safety plans shall conform to the
Vancouver Fire By-law
.

