Specifications include, but are not limited to:Each Ambient Air Quality Monitoring Shelter (NCore) Dimensions Size: 8 to 10 ft. wide, 20 ft. long, no windows. 7 to 7 ½ ft. inside height. Exterior Lifting points/skids for transport. Tie down system/anchor points. Waterproof metal lined exterior including under floor for rodent proofing. Exterior color Beige. Full dimension roof mounted deck for sampler placement with railing and ladder/staircase. Three roof penetrations for sample ports (size and location will be determined through consultation). Single entry door (36” x 80”), pre-framed with knob lock and deadbolt, padlock security, and hold open. Stairs or step to door level. Interior Minimum wall insulation R-11. Ceiling and floor minimum R-11 insulation. Interior sidewalls, end walls, and ceiling covered with minimum 3/8” plywood (unfinished). Seamless vinyl floor, light colored. 28” W x 36” H countertop (workbench – no racks) on all walls, butcher block or similar light colored Formica top (see figure for layout). Electrical & HVAC