Specifications include, but are not limited to: THIS IS AN AGENCY ONE-TIME PURCHASE FOR500 LF of 18" Slotted Drain Pipe and Bands - 500.00000 LF; 14 Gage 2 1/2" Form 20' Sections; Corrugated Stainless Steel Drainage Pipe-in various length joints. Corrugated stainless steel culverts and underdrains shall comply with the requirements of zinc coated (galvanized) corrugated iron or steel culverts and underdrains, AASHTO M 36. The stainless-steel sheets shall conform with the requirements of SAE Standard J-405B, Alloy Grade SAE 51409. For pipe with 1 in. (25 mm) deep corrugations, ½ in. (12 m) diameter bolts and nuts conforming to the requirements of ASTM A 276. Type 430 may be used in lieu of rivets or spot welds on a one-for-one replacement ratio. Revise third sentence as follows: The coupling bands shall be made of base metal conforming to SAE Specification J-405B, Alloy Grade 51409. Material for bolts and nuts shall conform to the chemical and mechanical requirements of ASTM A 276, Type 431, Condition T.
