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Search results with tag "Specification for pipe subsoil drain construction"
Specification for pipe subsoil drain construction ...
www.nzta.govt.nzSP/SF2:000215 PIPE SUBSOIL DRAIN CONSTRUCTION Page 1 of 7 TNZ F/2: 2000 SPECIFICATION FOR PIPE SUBSOIL DRAIN CONSTRUCTION 1. SCOPE Pipe subsoil drains shall be constructed in accordance with this specification and in