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Not to Exceed <br /> - <br /> 6" Vent with fine mesh 150. <br /> screen to prevent contamination. <br /> Sight tube. . <br /> 6" Butterfly Valve <br /> 1111- Pipe <br /> 2" P.V.C. 6" O.S.&Y Valve 4 1/2" I.I.S.M. <br /> Schedule 40 Locked Open Capped <br /> b" Galvanized <br /> of- <br /> lion pi e <br /> 15.. 24 <br /> Stationary Secured Stancl 6" P.V.C. SCHEDULE 80 <br /> protected <br /> or galvanized iron pipe <br /> Static Water Supply Guide '. <br /> 'Check with local fire agency <br />