Specifications include, but are not limited to: Eight (8) six-foot diameter round tanks and sixteen (16) twelve-foot diameter round tanks delivered FOB Glenwood Fish Hatchery at Glenwood, New Mexico; • Taper bottom for easy draining • Inner dimensions: six-foot (6) diameter x three feet (3) deep (plus slope) • Glossy smooth inner gel coat layer, 25 mils thick (color tan similar to Behr Perfect tan #N280-4) • 3/16-inch minimum fiberglass construction • Outer gel coat layer, 25 mils thick, (gray in color) • Dual drain, recessed with 2-inch and 4-inch center sump and ¼ inch screen support • Six to 10-inch support skirt designed to allow drain pipes to be above floor • See tank drawing for more details (6’ Dual Drain Round Tank)