SECTION 706 - NON-METALLIC PIPE
706.02 Reinforced Concrete Pipe This pipe shall conform to th e requirements of
AASHTO M 170M/M 170. Elliptical pipe shall conform to the requirements of AASHTO M 207M/M 207. Unless otherwise specified, pipe wall design and use of elliptical reinforcement in circular pipe are optional. Pipe arch shall conform to the requirements of AASHTO M 206M/M 206. 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 shall 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 polyethylene pipe shall be smooth lined and shall meet the pipe stiffness requirements shown on the Standard Details. The manufacturing plants of polyethylene 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 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 Verification 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 gasket type joints.
706.09 PVC (Polyvinylchloride) Perforated Pipe This pipe and fittings shall conform to
the requirements of AASHTO M 278 or ASTM F 949 for 6 inch underdrain and AASHTO M 278 for underdrain larger than 6 inch diameter.
706.10 Corrugated Polypropylene Pipe for Option I and Option III Culvert Pipe
Option I/III pipe and fittings shall conform to the requirements 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 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 Verification Program will be required in order to continue supplying product to the Maine DOT.
Non-Metallic Pipe in other states
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