SECTION 707 - METALLIC PIPE 7-20
707.02 Corrugated Steel, Metallic Coated Pipe This pipe and s pecial fittings such as
elbows, tees, and wyes shall conform to the requirements of AASHTO M 36/M 36M Type I, IR, II, or III for the specified sectional dimensions, sheet thickness, and coating.
707.05 Corrugated Steel, Metallic Coated Pipe for Underdrain This pipe and special
fittings such as elbows, tees, and wyes shall conform to the requirements of AASHTO M 36/M 36M, Type III, Class 1 perforations.
707.06 Corrugated Aluminum Alloy Pipe and Pipe Arches This pipe and special fittings
such as elbows, tees, and wyes shall conform to the requirements of AASHTO M 196/M 196M, Type I, IR, or II. Special sections, such as elbows and metal end sections, shall be of the thickness called for on the plans and shall conform to the applicable requirements of AASHTO M 196/M 196M. Aluminum sheet shall conform to the requirements of AASHTO M 197/M 197M.
707.07 Polymer Precoated, Galvanized Corrugated Steel Pipe and Pipe Arches This
pipe and special fittings such as elbows, tees and wyes shall conform to the requirements of AASHTO M 245/M 245M, Type 1 with Grade 250/250 polymer coating. Steel sheet shall conform to the requirements of AASHTO M 246/M 246M.
707.08 Corrugated Aluminum Alloy Pipe for Underdrain This pip e and special
fittings such as elbows, tees, and wyes shall conform to the requirements of AASHTO M 196/M 196M, Type III, Class 1 perforations or Type IIIR, Class 4 perforations.
707.09 Steel Structural Plate Pipe, Pipe Arches, Arches, Box C ulverts, and Fasteners
Plates, bolts, nuts and other accessories shall conform to the requirements of AASHTO M 167/M 167M and the following additional requirements:
a.All shop welding shall meet the requirements of the latest e dition of AWS D1.1, Structural Welding Code - Steel.
b.Annually, the fabricator shall have quality control tests pe rformed on uncoated random samples of the lightest and heaviest thickness plates produced by welding. The sampling and testing shall be done by a recognized independent testing agency and copies of the test reports, including all welding parameters, shall be submitted to the Fabrication Engineer on an annual basis.
c.The Fabrication Engineer reserves the right to conduct unann ounced inspections of the fabricators facilities and to take random samples of welded plates representative of gages supplied to the Department.
d.No field welding will be allowed.
707.10 Aluminum Coated (Type 2) Corrugated Steel Pipe This pi pe shall conform
to the requirements of AASHTO M 36/M 36M using steel sheet conforming to AASHTO M 274. 7-21
707.11 Zinc - Coated (Galvanized) Corrugated Steel Pipe This pipe shall conform to
the requirements of AASHTO M 36/M 36M using steel sheet conforming to AASHTO M 218.
707.14 Aluminum Alloy Structural Plate Pipe, Pipe Arches, Arch es, Box Culverts,
and Fasteners Plates for this pipe shall conform to the requirements of AASHTO M 219/M 219M. Bolts and nuts shall conform to the requirements of ASTM F 468M alloy 6061-T6 and F 467 alloy 6061-T6.
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Source: Standard Specifications — Highways and Bridges, 2020 Edition. Pages 724–726 of 817. View official source ↗