(See Appendix A.) (See Part 10)
[Rev. 2, B.C. Reg. 73/2008.]
1) Sound transmission class ratings shall be determined in accordance with ASTM E 413, “Classification for Rating Sound Insulation”, using the results from measurements carried out in accordance with
a)ASTM E 90, “Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements”, or
b)ASTM E 336, “Measurement of Airborne Sound Insulation in Buildings”.(See Appendix A.)
1) Except as provided in Sentence (2), a dwelling unit shall be separated from every other space in a building in which noise may be generated by construction providing a sound transmission class rating not less than 50, measured in accordance with the standards referenced in Sentence 126.96.36.199.(1). (See A-188.8.131.52.(1) in Appendix A.)
2) Construction separating a dwelling unit from an elevator hoistway or a refuse chute shall have a sound transmission class rating not less than 55, measured in accordance with the standards referenced in Sentence 184.108.40.206.(1).