Used 8,000 Gallon vertical 304L-SS Storage Tamk, Mfg by James Machine Works, 1992; API-620 design. Slight cone top, sloped bottom. 9' 8" dia x 15' Straight side. Rated atmosheric at 100 deg F. Wall thickness 3/16". Nozzles: TOP - 2"; SIDES - 18" Manway, (2) 1.5"; Bottom - 2".