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6 . UTILITIES <br /> ' A. Prior to excavation, verify in the field the location and depth of all new and <br /> existing utilities and take proper precautions not to damage or disturb such <br /> utilities . <br /> ' B . Repair to original condition, new and existing utilities and other work damaged by <br /> Contractor's construction. <br /> g <br /> ' C . In the case of damages to the irrigation system caused by others, the cost of <br /> repairing the work shall be paid by the party causing said damage. <br /> ' 7. SUBMITTALS <br /> ' A. After completion of piping installation, Contractor shall furnish the Owner's <br /> representative a reproducible " as built " drawing showing all sprinkler heads, <br /> valves, and pipelines to reasonable scale, and provide a minimum of two <br /> dimensions taken from fixed obvious objects to each automatic control valve, and <br /> quick coupling valve. The Contractor shall also furnish a drawing showing a <br /> graphic representation of sprinkler zones. <br /> ' B . Instruction sheets and parts lists covering all operating equipment shall be bound <br /> into a folder and furnished to the Owner's representative or Landscape Architect in <br /> two (2) copies. The Owner reserves the right to withhold 10% of the contract <br /> amount until the " as built " drawings and instructions and parts lists folders are <br /> received . <br /> ' C . Submit salt test results for irrigation well water. <br /> 8 . GUARANTEE <br /> ' A. Guarantee workmanshipfor period of one r <br /> p year after date of final acceptance. In <br /> addition, see to the fulfillment of all manufacturer' s warranties. <br /> B . The Contractor shall provide the Owner with a writtenarantee <br /> gu stating <br /> everything to be covered and any special conditions involved . <br /> PART 2 - PRODUCTS <br /> ' MATERIALS : Materials and equipment shall be new and shall operate at the <br /> manufacturer's published capacities. <br /> 1 . PIPE : Comply with the following unless otherwise indicated : All PVC pipe shall be <br /> 160 PSI, Polyvinyl Chloride (PVC 1120) ASTM-D2241 , Type 1 , NSF approved . <br /> ' 2 . CROSSINGS : Comply with the following: All crossings under paved areas for water <br /> and conduit lines shall be Schedule 40 PVC, ASTM-D1785 . <br /> 3 . PIPE FITTINGS : Comply with the following: For PVC plastic pipe, ASTM-132466 <br /> 2B - 3 <br />