Specifications include, but are not limited to: FOUR (4) 6500 Gallon Capacity Double Wall Liquid Storage Tanks FY 2019-2020 FOUR (4) 6500 Gallon Capacity Double Wall Liquid Storage Tanks FY 2020-2021 This unit is to be non-mobile, Polyethylene 5500 Gallon Above Ground Double Wall Tank System. 6.0.2 The Units shall have at least an 18” Bolted and Threaded Manway Cover on The top of units. The units Specific Gravity of 1.5 or greater. 6.0.4 All surfaces shall be certified UV protective. All units shall be Humidity Resistant. ; All Units shall be Impact Resistant.; All surfaces shall be Salt Spray Resistant.; The Units shall have 2” Transition Fittings Installed to lower sidewalls, for material unloading, that safely seals through both walls of containment systems.; The Units shall have at least two 2” Outlets on the top of the units; The Units should have 115% or greater secondary containment..