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I <br />II <br /> i <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> <br />F',INNESOTA DEPARTMENT OF HEALTH <br /> <br />Recommendations: <br /> <br />1) <br /> <br />It is recommended that the floor drain in the chlorine room <br />be eliminated. If a floor drain is provided, it shall discharge <br />directly to the gravel pocket and not be connected to the <br />rest of the floor drain system. <br /> <br />2) The chlorine room door should be provided with panic hardware. <br /> <br />The exhaust fan intake in the chlorine room should be installed <br />on the opposite wal! sho~rn on the plans to prevent "short <br />circuiting" and to prevent contamination of the air inlet. <br /> <br />The casing vent shall be screened And point do~mwards. <br /> <br />5) If polyphosphate is used in the water system, the following <br /> shall be provided: <br /> <br />a) A 10 ppm free chlorine residual shall be naintained in <br /> polyphosphate stock solution. <br />b) The polyphosphate injection point shall be after the check <br /> valve, but as Ear ahead of the chlorine injection point <br /> as possible. ' <br /> <br /> <br />