Specifications include, but are not limited to: 1) For Salt Brine storage at atmospheric pressure and ambient temperature. 2) Design Requirements: a) Vertical storage tank b) Molded in one-piece seamless construction according to ASTM D 1998 Not Acceptable: Laminated tanks c) Wall thickness: The tank is to be designed for 1.5 specific gravity based upon based upon 600 psi hoop stress (ASTM D 1998) @ 100 degrees F. d) Flat Bottom e) Closed Top f) Lifting Lugs: i) Minimum 3 lifting lugs integrally molded into the top head ii) Shall be designed to allow erection of an empty tank g) Tie-down Lugs: i) Minimum of 4 tie-down lugs integrally molded into the top head ii) Shall be designed to allow tank retention in wind and seismic loading h) Material – Resin Classification: High Density Linear Polyethylene (HDLPE) resin Referenced Brand or Equal: ExxonMobil Chemical Property ASTM Value Density (Resin) D1505 0.941-0.948 g/cc Tensile (Yield Stress 2"/min) D638 3000 PSI Elongation at Break (2"/min.) D638 >1000% ESCR (100% IGEPAL, Cond. A, F50) D1693 550 hours ESCR (10% IGEPAL, Cond. A, F50) D1693 50 hours Vicat (VST) Softening Degrees F. Temperature D1525 235 Flexural Modulus D790 130,000 PSI