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O <br /> � 0 <br /> W. M . FLOW <br /> REDUCED PRESSURE PLAN VIEW <br /> BACKFLOW PREVENTER <br /> WITH GATE VALVES <br /> W. M . <br /> UNION <br /> �. X <br /> W. M . a <br /> N oo FINISH <br /> GRADE <br /> \//\\/,\\/,\\//\\,\\//\\// /\\,�\\, <br /> � r\ r\ r\ r, r\ r\ r� r\ r� r�r� r� r\ r� r�✓� r� r�r� r� r�r�r�r, r <br /> ELEVATION <br /> N OTES <br /> 1 , ALL HOSPITALS, SCHOOLS, COMMERICAL, INDUSTRIAL, AND OTHER <br /> INSTITUTIONS ARE REQUIRED TO INSTALL DOUBLE CHECK <br /> BACKFLOW PREVENTER WITH REDUCED PRESSURE ZONE FEATURE AS DETERMINED BY UTILITY. <br /> 2. ALL MULTI — STORY, MULTI — FAMILY SERVICES ARE REQUIRED TO INSTALL <br /> RPZ BACKFLOW PREVENTORS. <br /> 3, APPROVED EQUALS HAVING FULL UL, USC, AND AWWA MAY <br /> BE INSTALLED ONLY AFTER SPECIFIC APPROVAL BY IRCDUS. <br /> 4. SUPPORT BACKFLOW PREVENTER FROM WALL OR APPROVED PIPE <br /> SUPPORT SYSTEM , PIPE SUPPORT SYSTEM SHALL BE BRASS, <br /> COPPER OR D. I . P . , AS APPROVED BY IRCDUS, <br /> 5. BELOW GROUND INSTALLATION IN A VAULT MAY BE CONSIDERED <br /> FOR APPROVAL IF FINISHED GRADE OF BOTTOM OF VAULT IS AT <br /> LEAST 1 ' - 0" ABOVE THE HIGH WATER LEVEL. <br /> 6 , PIPING 2- 1 /2" OR GREATER SHALL BE FLANGED DUCTILE IRON PIPE. <br /> 7. ALL MATERIALS ARE TO BE PER IRCDUS APPROVED MANUFACTURERS' PRODUCT LIST. <br /> Be ALL FASTENERS SHALL BE 316 STAINLESS STEEL (OR APPROVED EQUAL) , <br /> 9 . ALL RPZ BACK FLOW PREVENTERS SHALL BE CERTIFIED BY APPROVED TESTER AND APPROPRIATE <br /> CERTIFIED FORM SUBMITTED TO IRCDUS. <br /> giv DRAWING <br /> INDIAN RIVER COUNTY NO. <br /> DEPARTMENT OF y BACKFLOW PREVENTER � n � _ <br /> UTILITIES SERVICES P*� y � 9 <br /> LORD gra mw <br />