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` B . Trace Wire is required over all pipes. C . A 2" wide magnetic I . D . location tape is required over all pipes . Tape is to be installed 12" below proposed finished grade . 6, 10 INSTALLATION A. Unless otherwise noted on the drawings or in other sections of this specification , the pipe shall be handled and installed in strict accordance with the manufacturer's instructions . The Contractor shall use every precaution during construction to protect the pipe against the entry of non-potable water, dirt, wood , small animals , and any other foreign material that would hinder the operation of the pipeline . Where the groundwater elevation is above the bottom of the trench , the Contractor shall provide suitable dewatering equipment at no additional cost to the IRCDUS . All piping shall be placed in a dry trench , unless the Engineer and IRCDUS approves wet trench installation . B . Depth of Cover and Pipe Elevation : Unless otherwise shown on the drawings, or otherwise authorized by the Engineer, all pipe shall have a minimum cover of 36 inches . Contractor shall determine top of pipe elevation and top of ground elevation for every two joints of pipe installed using a level . Pipe must have the minimum cover described above and must be within +/- 0 . 2 feet of the top of pipe elevation indicated on the drawings . Installed pipe , which does not meet these requirements, shall be reinstalled until it does meet these requirements. Contractor shall record top of pipe and top of ground elevations and the locations of where these elevations were determined and submit this information to Engineer. Engineer reserves the right to have Contractor excavate and check top of pipe and top of ground elevations to see if they conform to the aforementioned requirements, at no cost to the Owner. END OF SECTION r 6 - 5