00000nam 2200000zi 4500 9.946540 CaOODSP 20250121091805 m o d f cr mn||||||||| 250106m19611963onc obu f000 0 eng d CaOODSP eng rda CaOODSP n-cn--- NR24-28/1960-2E-PDF Fire resistance ratings 1961 : supplement no. 2 to the National Building Code of Canada / issued by the Associate Committee on the National Building Code. Supplement no. 2 to the National Building Code of Canada Reprinted edition including Addenda, July 1963. Ottawa, Canada : National Research Council, 1961-1963. 1 online resource (48 pages, 3 unnumbered pages) text txt rdacontent computer c rdamedia online resource cr rdacarrier Cover title. Includes bibliographical references (page 5). "The fire resistance ratings included in this document are substantially the same as those formerly in Appendix 4.1.B of the National Building Code 1953. Major changes are being considered by the Associate Committee on the National Building Code who are establishing a fire rating board to study and interpret all fire test reports and establish fire resistance ratings. This proposed program will take some time before it is effective, however, and it is hoped that this revision of the old Appendix 4.1.B will continue as a useful source of information in conjunction with the Code until this can be done"--Introduction, page 3. Building laws Canada. Buildings Standards Canada. Fire resistant materials Standards Canada. Construction Droit Canada Codes. Constructions Normes Canada. Ignifuges Normes Canada. National Research Council of Canada. Associate Committee on the National Building Code, issuing body. Fire performance ratings 1965 : (CaOODSP)9.946595 PDF 2.86 MB https://publications.gc.ca/collections/collection_2025/cnrc-nrc/NR24-28-1960-2-eng.pdf 6484