7-19 Aggregates shall meet the requirements of Section 703.01 and S ection 703.02 for fine aggregates and coarse aggregates respectively, except that grading requirements are hereby waived. Fine and coarse aggregate sources shall meet the Alkali Silica Reactivity (ASR) requirements of Section 703.0201. Precast reinforced concrete special sections shall conform to the requirements of the cited specifications to the extent to which they apply.
706.06 Corrugated Polyethylene Pi pe for Underdrain, Option I, and Option III
Culvert Pipe Six inch diameter underdrain pipe and fittings sh all conform to the requirements of AASHTO M 252, slot-perforated. Twelve to sixty inch diameter, Option I/III shall conform to the requirements of AASHTO M 294 Type S. Pipe to be used for Underdrain Type C shall meet the requirements of AASHTO M 294, Type SP and have Class I perforations. All polyet hylene pipe shall be smooth li ned and shall meet the pipe stiffness requirements shown on the Standard Details. The manu facturing plants of polyethylene pipe shall participate annually in the National Tr ansportation Product Evaluation Program (NTPEP) process for plastic pipe and resins which includes audits by the AASHTO Materials Reference Laboratory (AMRL). Plants shall be listed as “Compliant” on the NTPEP website and take immediate corrective action for any deficiencies found during audits. Continued compliance with all elements of the NTPEP/AMRL program and the Maine DOT manufactured Materials Ver ification Program will be required in order to continue supplying product to the Maine DOT.
706.08 PVC (Polyvinylchloride) Pipe This pipe and fittings sh all conform to the
requirements of AASHTO M 278. All pipe shall be supplied with g asket type joints.
706.09 PVC (Polyvinylchloride) Perf orated Pipe This pipe and f ittings shall conform to
the requirements of AASHTO M 278 or ASTM F 949 for 6 inch under drain and AASHTO M 278 for underdrain larger than 6 inch diameter.
706.10 Corrugated Polypropylene Pipe for Option I and Opt ion III Culvert Pipe
Option I/III pipe and fittings shall conform to the requirement s of AASHTO M 330 Type S (dual wall) or Type D (triple wall). All polypropylene pipe shall be smooth lined and shall meet the pipe stiffness requirements of AASHTO M 330. The manufacturing plants of polypropylene pipe shall participate annually in the National Transportation Product Evaluation Program (NTPEP) process for plastic pipe and resins which includes audits by the AASHTO Materials Re ference Laboratory (AMRL). Pla nts shall be listed as “Compliant” on the NTPEP website and take immediate corrective action for any deficiencies found during audits. Continued compliance with all elements of the NTPEP/AMRL program and the Maine DOT manufactured Materials Ver ification Program will be required in order to continue supplying product to the Maine DOT. 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 confor m to the requirements of AAS HTO M 36/M 36M Type I, IR, II, or III for the specified sectional dimensions, sheet th ickness, 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 re quirements of AASHTO M 36/M 36M, Type III, Class 1 perforations.
707.06 Corrugated Aluminum Alloy Pipe and Pipe Arches This pip e and special fittings
such as elbows, tees, and wyes shall conform to the requirement s 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 requi rements 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 c onform 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 re quirements 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 pr oduced by welding. The sampling and testing shall be done by a recognized independ ent testing agency and copies of the test reports, including all welding parameter s, 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 conf orming to AASHTO M 274.
Source: Maine Standard Specifications for Road and Bridge Construction, 2020 Edition. Pages 724–725 of 817.