Specifications include, but are not limited to: .This specification covers upright, cylindrical, flat bottom, doublewall tanks. The assembly shall consist of one primary inner tank and one outer secondary tank. Each tank shall be molded in one piece seamless construction by rotational molding.The tanks shall bedesigned for above-ground, vertical installation and becapable of containing chemicals at atmospheric pressure.The assembly shall be designed to prevent rainwater from entering the containment tank. The containment tank shall be designed to hold a minimum of 115% of the normal fill capacity of the primary tank.Included in this specification are requirements for materialproperties, design, construction, dimensions, tolerances, workmanship, and appearance. Thetank capacityshall be a minimum of 12,500gallons.B.Contractor shall supply and install all materials, equipment, appurtenances, specialty items, and services required to provide an upright, doublewall, flat bottom, closed top, polyethylene storage tank for storage of Landfill Leachate. Each tank is to be molded in one-piece seamless construction according to ASTM D 1998and will be capable of storing the leachateat atmospheric pressure.