I. Intent: These specifications include requirements for all design, materials, transportation, equipment, and labor necessary to reconstruct deteriorated sections of the gas distribution lines listed in these Contract Documents by means of the LINER process or approved equal.

II. Reference Specifications: This specification references American society for Testing and Material (ASTM) standard specifications, which are made a part hereof by such reference and shall be the latest edition and revision thereof.

D-1248 Specification for Polyethylene Plastics Molding and Extrusion Materials
D-1693 Test for Environment Stress-Cracking of Ethylene Plastics
D-2122 Determining Dimensions of Thermoplastic Pipe and Fittings
D-2657 Practice for Heat-joining Polyolefin Pipe and Fittings
D-2837 Obtaining Hydrostatic Design Basis for Thermo-plastic Pipe Material
D-3035 Specification for Polyethylene (PE) Plastic Pipe (SDR-PR) Based on Controlled Outside Diameter (3” IPS and larger)
D-3350 Specification for Polyethylene Plastics Pipe and Fittings materials
F-714 Specification for Polyethylene (PE) Plastic Pipe (SDR-PR) Based on Outside Diameter (3” IPS and larger)
D-2138 Melt Index for Polyethylene
D-1505 Density requirements for Polyethylene
  Stress Exponent Dupont test
  Moisture Content

III.General Corrosion Requirements: The finished pipe in place shall be fabricated from materials that will be chemically resistant to withstand internal exposure to natural gas and its bi-products.

IV.Liner Pipe: The liner pipe shall be manufactured from high-density polyethylene pipe compound, which conforms to ASTM D-1248 and meets the requirements of Type PE 34, Class C Product. The installed Liner pipe properties shall also meet API and ASTM testing standards.