Specifications include, but are not limited to: Unit shall be a single 6,000-gallon horizontal tank, with dual wall construction. _____________ _____________ Approval drawings shall be required before fabrication of the unit may begin. _____________ _____________ Structural shapes and sheet material shall be ASTM A-36, minimum. _____________ _____________ The unit provided shall be U.L. 142 approved and meet all applicable EPA requirements. _____________ _____________ Seven, 4-inch NPT openings in top of primary tank and emergency vent opening(s) as required by U.L. 142. _____________ _____________ Tank chart shall be delivered with each tank. _____________ _____________ The unit shall be non-roll or skid mounted. Tank shall include lifting lugs to facilitate handling without disassembling unit. _____________ _____________ Unit shall accept installation of Veeder-Root type tank monitor on both sections of tank. _____________ _____________ Vendor shall provide equipment to set tank at final delivery site. _____________ _____________ Primary tank shall be constructed of minimum ¼-inch mild steel. _____________ _____________ The unit shall be no more than 100-inches in diameter and approximately 28-feet in length. _____________ _____________ Steel in the secondary containment shall be 10-gage mild steel and 7-gage mild steel heads, minimum. _____________ _____________ Secondary containment shall have a Kruger Sentry sight gauge to show any fluid in interstitial space. _____________ _____________ Secondary containment shall allow for 3-inch minimum interstitial space between tank heads at pump end with an additional 2-inch NPT inspection opening at the top. _____________ _____________ Secondary containment shall be 300 degree wrap with all welds connecting fittings to inner tank contained within the outer wrap. _____________ _____________ Dual-wall tanks shall have a 24-inch access man-way on each side of split.