Item # 1: ( 936 - 78 ) 48' x 10' Silage Seal Reinforced Silage Tarp. this tarp is 8 mil thick and with features a 10-layer string reinforced polyethylene cover with an EVOH barrier. Black poly tarp side insulates silage interior and white side reflects light off the exterior, preventing transmission of light and moisture through silage barrier. Industry-leading OTR(Oxygen Transmission Rates) protest silage from the elements up to 18 months outdoors. Silage film is perfect for preserving stored feed, forage, fodder and hay and can also be used indoors. Weight 8.88lbs. Include shipping in unit cost. (REF ONLY: FarmTek Silage Seal Reinforced Silage Tarps- 8MIL 48"W, Item #119002 48' x 10') This will be a requirements contract. Item # 2: ( 936 - 78 ) 12' x 25' White Heavy Duty Poly Tarp, 6oz./sq. yard, 8 MIL Thick, 12 x 12 Weave, 1200 denier Thick, Waterproof, 100% high-density woven polyethylene and laminated on both sides. UV treated on both sides, Wind, Rot, and Mildew-resistant, Double-reinforced corners for added strength. Durable Heat-Sealed Seam, Artic flexibility, Lightweight, easy to handle, and shrink-proof. Aluminum grommets every 18 inches. Heavy duty poly tarp. Color: White. Include shipping in unit cost. (REF ONLY: Tarp Supply Inc. Item #PW1225) This will be a requirements contract. Item # 3: ( 285 - 95 ) Outdoor Light-Duty Extension Cord, 25-ft 16/3 3 Prong Orange Outdoor SJTW Light Duty Extension Cord. 25 ft., 16-gauge wire, and 13 A, 125V. Include shipping in unit cost. (REF ONLY : Lowe's item #70370/Model #0068. This will be a requirement contract.