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0 0 1 <br />C. Acceptable manufacturer: <br />1. CNI Manufacturing 236GRS G. <br />2. Poemco 110-36W7. <br />3. Universal 68, or equal. <br />2.20 TANK VENT PIPE CAP <br />A. General Vent Construction: A removable 40 mesh brass screen, steel cap and body. Slip-on style vent <br />attaches to pipe with a single set screw. A grooved drain lip in cap extends beyond base for water drain -off. <br />Straight -up "V" design. <br />1. Acceptable Manufacturer: <br />a. Emco Wheaton A 4103. <br />b. OPW 23-55. <br />c. EBW 800. <br />d. McDonald 248. <br />e. Universal 45, or equal. <br />B. Pressure -Vacuum Vent Construction: Upward discharge vent designed for use in Stage I vapor recovery <br />installations. An internal pressure vacuum valve restricts vapor escape during product drops. Under normal <br />storage conditions, vent equalizes underground tank pressure. Steel vent body, aluminum valve body, brass <br />40 mesh screen, buna-n gasket, stainless steel spring. Pressure settings as follows unless local codes require <br />different settings; 0.5 ounces per square inch vacuum, 8.0 ounces per square inch. <br />1. Acceptable Manufacturer: <br />a. Emco Wheaton A 84. <br />b. Universal 45 R. <br />c. OPW 523-1100, or equal. <br />2.21 DOUBLE WALL PIPING SYSTEM <br />A. General: Flexible double -walled direct burial piping system conforming to NFPA standards. Primary pipe <br />working pressure rating of 250 psi at temperatures of 40/200 degrees F. U.L. labeled for said use. Pipe and <br />fittings shall be marked with manufacturer's name, normal size and classification type, grade and class. <br />B. Fittings: All primary fittings shall be contained in pump or containment sumps. <br />C. Acceptable Manufacturer: <br />1. Western Fiberglass; Enviroflex; Environ; or equal. <br />2.22 STEEL PIPING AND PIPE WRAPPING <br />A. Pipe: ASTM designation A 120 with 150 pound black malleable iron fittings. <br />11" <br />7 <br />B. Primers: Specifically compounded for tape being used; Manville No. 22, Minnesota Mining "Scotchwrap <br />Pipe Primer" Picoflex No. 105, Permacel No. EZ 4390, or equal. Ls <br />0 <br />UNDERGROUND FUEL STORAGE TANK <br />070601:HTL:lc:cw 13215 - 12 CH 107517 / 107518 <br />