Specifications include, but are not limited to: The Poly Vinyl Chloride (PVC) gravity sewer pipes and fittings shall be gasketed Standard Dimension Ration (SDR)-35 pipe. They shall conform to American Society for Testing and Material (ASTM) D3034 Standard Specification for Type PVC sewer pipe and fittings and F-679 Standard Specifications for PVC large-diameter plastic gravity sewer pipe and fittings. One (1) pint of pipe lubricant shall be provided for every 20 pieces of pipe and for every 10 fittings delivered. Lubricant shall be supplied in marked containers and the cost shall be included in the cost of the materials. Flexible couplings shall be designed to connect pipe of the same or different sizes and shall be "Fernco" or approved equal. The couplings shall be designed for low-pressure piping tested up to 4.3 PSI and shall conform to ASTM D5926 Standard Specifications for PVC gaskets for drain, waste, and vent, sewr, sanitary, and storm plumbing systems; ASTM C1173, Flexible Transition Couplings for Underground Piping Systems Standard Specification; and CSA B602, Mechanical Couplings for drain, Waste, and vent pipe and Sewer Pipe.