PART 2 - PRODUCTS
2.1 PIPE AND FITTINGS
A.
Polyethylene (PE) Pipe
1. PEpipe shall conform to AASHTO M294.
2. Polyethylene flared end sections shall be fabricated by the same
manufacturer as the pipe, and shall be intended for use with the pipe
provided.
3. Split couplers shall be designed as soil-tight with a gasket.
Corrugated Polyethylene Pipe (CPP)
1. The culvert pipe shall be made of high density polyethylene material
conforming to the requirements of cell classification 435400C as defined
in ASTM D3350. The pipe shall have smooth inner walls.
2. HDPE End Sections: The method of fabrication and materials used shall
conform to the applicable requirements of AASHTO M294. The
connection of the end section to the pipe shall be made in accordance
with the manufacturer's recommendations.
3. Coupling bands shall be provided by the manufacturer of the pipe and
shall meet the soil-tight requirements of AASHTO M294.
Corrugated Metal Pipe (CMP)
1. Corrugated metal pipe shall be metallic coated (galvanized or
aluminized) corrugated metal pipe with locking corrugated bands. The
pipe shall conform to AASHTO M36.
2. The minimum thickness of the metal culvert sheets shall be 0.064 inches.
3. Pipe arch shall be of sufficient gauge for the size specified to support E80
live load with a minimum of 24 inches of soil cover.
4, Metal End Sections: Metal end sections shall be fabricated from
galvanized or aluminized steel. The connection of the metal end section
to the pipe shall be made in accordance with the manufacturer's
recommendations.
Reinforced Concrete Pipe (RCP) shall conform to Class IV in accordance with
ASTM C76.
PART 3 - EXECUTION
3.1 GENERAL
A.
Pipes and appurtenances shall be installed true to lines, grades, and locations
indicated on the Drawings. Any deviations must be approved by ENGINEER
before installation. CONTRACTOR shall furnish all labor, materials, and tools
to establish and maintain all lines and grades. Benchmarks and reference
points as required for control of the work are shown on the Drawings or will
be provided to CONTRACTOR.
File No. 3066.99 Culverts 02710 - 2 of 3 December 2017
