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MOUNDING SHALL NOT BE USED TO BRING THE PIPE TO FINAL GRADE . I . ENDS OF PIPE SHALL BE CLOSED TO PREVENT ENTRY OF FOREIGN MATERIALS WHEN PIPE LAYING IS NOT IN PROGRESS . J . PIPE SLEEVES MUST BE USED TO PROTECT PIPES OR WIRES INSTALLED UNDER PAVEMENT OR ROADWAYS , USE PIPE SLEEVES AT LEAST TWO PIPE SIZES LARGER THAN THE CARRIER PIPE OR TWICE THE DIAMETER OF THE WIRE BUNDLE TO BE PLACED UNDER THE PAVING OR ROADWAY , AND EXTENDING A MINIMUM OF 3 FEET BEYOND THE PAVED AREA OR AS REQUIRED BY THE FLORIDA DEPARTMENT OF TRANSPORTATION ( FDOT) . USE SLEEVE PIPE WITH WALL THICKNESS AT LEAST EQUAL TO THE THICKNESS OF SCHEDULE 40 OR PR 160 PIPE , WHICHEVER IS THICKER . PIPING UNDER PAVED TRAFFIC AREAS SHALL BE ENCASED IN FULL LENGTHS OF SLEEVING MATERIAL TO AVOID PLACEMENT OF JOINTS UNDER PAVEMENT IF POSSIBLE . USE THE SAME TECHNIQUES TO PLACE PIPE SLEEVES TO SERVE AS CONDUITS FOR AUTOMATIC CONTROL WIRES OR TUBING , SLEEVE MATERIAL MAY BE STEEL OR PLASTIC PIPE , SUITABLE TO SLIDE PIPE , WIRE OR TUBING THROUGH , PROPER BACKFILL AND COMPACTION PROCEDURES SHOULD BE FOLLOWED . K . PIPES CONVEYING RECLAIMED WATER SHALL BE SEPARATED FROM OTHER PIPING OR UTILITY SERVICES BY 3 FEET HORIZONTAL DISTANCE . AN 18— INCH VERTICAL SEPARATION SHALL BE MAINTAINED WHERE RECLAIMED LINES CROSS OTHER PIPING OR UTILITY SERVICES . CONTROL VALVE INSTALLATION A . VALVE INSTALLATION SHALL ALLOW ENOUGH CLEARANCE FOR PROPER OPERATION AND MAINTENANCE . WHERE VALVES ARE INSTALLED UNDERGROUND , THEY SHALL BE PROVIDED WITH A VALVE BOX WITH COVER EXTENDING FROM GRADE TO THE BODY OF THE VALVE , THE TOP OF THE VALVE BODY SHOULD HAVE A MINIMUM OF 6 INCHES OF COVER IN NON —TRAFFIC AND NON —CULTIVATED AREAS AND 18 INCHES OF COVER IN TRAFFIC AREAS , Be AUTOMATIC CONTROL VALVES INSTALLED UNDERGROUND SHALL BE INSTALLED IN A VALVE BOX , IF AN AUTOMATIC VALVE IS INSTALLED UNDER EACH SPRINKLER , THEN THE VALVE BOX MAY BE OMITTED . VALVES MUST BE INSTALLED WITH ENOUGH CLEARANCE FOR OPERATION AND MAINTENANCE . C . INSTALL VALVE BOXES SO THAT THEY DO NOT REST ON THE PIPE , THE BOX COVER DOES NOT CONFLICT WITH THE VALVE STEM OR INTERFERE WITH VALVE OPERATION AND SO THAT THE VALVE BOX LIDS ARE FLUSH WITH THE GROUND SURFACE . F:\Engineering\Special Projects\Eagle Trace Phase 2\Contract Documents\Eagle Trace Subdivision Phase II\IRRIGATION SPECIFICATIONS from W. F . McCain . doc . 8 .