NZS 4452 – Code of practice for the construction of underground pipe sewers and drains
Sets out requirements for the construction of underground pipe sewers and drains, and pumping and other pressure mains. Applies only to pipes of specified materials less than 350 mm bore diameter laid below ground in a narrow trench.
Product Details
Number of Pages:
16
File Size:
1 file , 1.3 MB
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