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O O <br /> FLOW ° ° FLOW <br /> WATER MAIN <br /> REDUCED PRESSURE PLAN VIEW <br /> BACKFLOW PREVENTER <br /> WITH GATE VALVES <br /> 0 o WATER MAIN <br /> UNION <br /> X <br /> Z <br /> _ a <br /> FINISHED <br /> iv oo GRADE <br /> FLOW FLOW <br /> ELEVATION <br /> -ART- <br /> NOTES <br /> 1. ALL BUILDINGS WITH FIRE SPRINKLER PROTECTION SYSTEMS INCLUDING SINGLE FAMILY RESDENIIAL <br /> AND COMMERCIAL ARE REQUIRED TO INSTALL DOUBLE CHECK BACKFLOW PREVENTER <br /> 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 CERTIFICATIONS 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 /> 8. ALL FASTENERS SHALL BE 304 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 /> gIvER DRAWING <br /> INDIAN RIVER COUNTY NO. <br /> �'oG NO. <br /> DEPARTMENT OF y BACKFLOW PREVENTER <br /> UTILITIES SERVICES W-11 <br />