Specifications include, but are not limited to: Pipe, 2 ⅔ in X ½” Corrugations: Steel Pipe, corrugated, sixteen (16) gage, galvanized, helical (spiral) design in twenty (20) ft lengths. Helical (spiral) pipe is to have lock or welded seams. Pipe ends must be reformed into annular corrugations for proper fit of the bands. Bands, 2 ⅔ in X ½ in Corrugations: Steel Bands, wrap around, sixteen (16) gage, sized to fit corrugated pipe, dimpled, galvanized, annular corrugations; to be furnished with all 3/8” nuts, bolts, and washers to insure adequate installation. End Sections, Type 5 end sections must be 16 gage and sized to fit corrugated metal helical (spiral) design pipe, fabricated from pregalvaized steel. Multiple panel bodies must have lap seams that rea tightly joined by galvanized rivets or bolts.
