SANS 10120-4 LB:1983 Code of practice for use with standardized specifications for civil engineering construction and contract documents Part 4: Typical schedule of quantities Section LB: Bedding (pipes)
1983SANS 10120-4 LB:1983 Code of practice for use with standardized specifications for civil engineering construction and contract documents Part 4: Typical schedule of quantities Section LB: Bedding (pipes)