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L <br /> RAINFALL SHUTOFF DEVICE <br /> A . RAINFALL SHUT OFF DEVICES SHALL BE CAPABLE OF BEING <br /> INCREMENTALLY ADJUSTED TO ACTIVATE AT A RANGE OF <br /> RAINFALL AMOUNTS . THE RAINFALL SHUTOFF DEVICE SHALL BE <br /> PROGRAMMED TO THE LOCAL WATER MANAGEMENT DISTRICT <br /> CURRENT REGULATED LEVEL , <br /> INSTALLATION <br /> PRE -INSTALLATION <br /> A. VERIFY LOCATION OF EXISTING UTILITIES WITH MUNICIPAL AND <br /> PRIVATE UTILITIES AND WITH THE PROPERTY OWNER . <br /> Be OBTAIN ALL NECESSARY PERMITS AND LICENSES . <br /> C . INSPECT THE SITE FOR EXISTING CONDITIONS THAT WILL <br /> AFFECT THE IRRIGATION SYSTEM DESIGN OR INSTALLATION , <br /> AND DEVELOP A PLAN TO MINIMIZE DISTURBANCE OF EXISTING <br /> AND/OR PROPOSED STRUCTURES AND LANDSCAPE . <br /> INSTALLATION OF BACKFLOW PREVENTION ASSEMBLIES <br /> A . FLUSH AIL LINES BEFORE INSTALLING BACKFLOW PREVENTION <br /> ASSEMBLIES . <br /> Be PROVIDE PROTECTION OF BACKFLOW PREVENTION <br /> ASSEMBLIES IF THEY ARE INSTALLED IN A MANNER THAT <br /> SUBJECTS THEM TO ANNUAL DAMAGE BY FREEZING <br /> TEMPERATURES . <br /> C . INSTALL WITH ROOM TO ALLOW FOR SERVICE AND TEST . DCA <br /> AND RPZ DEVICES MUST BE INSTALLED HORIZONTALLY <br /> UNLESS APPROVED FOR VERTICAL INSTALLATION BY A <br /> RECOGNIZED TESTING AUTHORITY . <br /> PIPE INSTALLATION <br /> A . FLAG THE LOCATION OF ALL SPRINKLERS , VALVES , <br /> CONTROLLERS , SOURCE OF WATER AND ELECTRICAL <br /> COMPONENTS IN THE FIELD PRIOR TO INSTALLATION . <br /> Be CONDUCT ALL NECESSARY EXCAVATION FOR THE PROPER <br /> INSTALLATION OF PIPELINES AND ACCESSORIES . DEWATER , <br /> SHORE , AND BRACE AS NEEDED TO COMPLETELY INSTALL THE <br /> PIPE , <br /> C . PIPE SHALL BE INSTALLED AT SUFFICIENT DEPTH BELOW <br /> GROUND TO PROTECT IT FROM HAZARDS SUCH AS VEHICULAR <br /> TRAFFIC , DEPTHS OF COVER SHALL CONFORM TO NRCS— FL— <br /> 430— DD , WATER CONVEYANCE , AS FOLLOWS : <br /> I . VEHICLE TRAFFIC AREAS <br /> PIPE SIZE ( INCHES) DEPTH OF COVER* ( INCHES ) <br /> 1 /2 of — 2" 18 " <br /> 3"-5 " 24 " <br /> 6" AND LARGER 36" <br /> F:\Engineering\Special Projects\Eagle Trace Phase 2\Contract Documents\Eagle Trace Subdivision Phase <br /> II\IRRIGATION SPECIFICATIONS from W. F. McCain .doc - 6 <br />