Retail Petroleum Equipment
pneumatic or hydrostatic test on the primary tank for leakage prior to installation. Maximum test pressure is 5 psig. 2. Surface Loads: Separator shall withstand surface H-20 axle loads when properly installed in accordance with the manufacturer’s current Installation Manual and Operating Guidelines. 3. External Hydrostatic Pressure and Burial Depth: Separator shall be capable of being buried in ground with 2.1m of overburden, the hole fully flooded. Allowance for a safety factor of 3:1 (single-wall) against general buckling shall apply. C. Dimensional and Design Requirements: 1. Nominal capacity of the separator shall be _____ litres. 2. Total oil spill holding capacity shall be ____ litres 3. Nominal outside diameter of the separator shall be ____ feet. 4. Nominal overall length of the separator shall be ____ feet. The separator design shall consider the following design conditions: 1. Specific application for the oil/water separator is _______________. 2. Maximum inlet flow rate shall be ____ litres per minute. 3. Design inlet oil specific gravity shall be ____. 4. Influent quality under normal operating conditions shall not exceed ___ parts per million (mg/L). 5. Effluent quality shall be parts per million (mg/L). 2.02 Accessories A. Coalescing Plates: Coalescing plates (plate packs) and brackets shall be installed by tank manufacturer B. Manways: 1. All separators shall require at least one manway with a bolted and watertight cover or lockable watertight lid to permit access to the coalescing media and interior of the separator. 2. All access manways shall be flanged 30-inch inside diameter minimum or a 28” x 52” rectangular cross section. 3. All separator manway extension(s) shall have internal dimensions matching those of the manway(s) 4. Location(s) shall be shown on separator drawing. 5. A manway cover shall include at least one 4-inch NPT steel fitting and plug. 6. Manway extensions shall be FRP and shall be provided for each manway as an option. C. Influent Pipe:
Made with FlippingBook
RkJQdWJsaXNoZXIy NDU1Njc=