PW371 DE P A R TM E N T O F PUB LI C WO RKS DEPARTMENT OF PUBLIC WORKS REPUBLIC OF SOUIH AFRICA SPECIFICATION OF MATERIALS ANDMETHODS TO BE USED All references to South African Bureau of Standards Specifications and Codes of Practice in this Document shall be deemed to refer to the latest issue of such specifications and codes as may be amended from time to time and are to be read in conjunction with the latest issue of the National Building Regulations COPYRIGHT RESERVED PRETORIA FIRST EDIDON OCI'OBER 1982 FOURfH REVJSION OCI'OBER 19'J3 G.P.-S. 024-0182