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A.1.7 EL-12 - Distribution Trench Requirements <br />DISTRIBUTION TRENCH REQUIREMENTS <br />SURFACE RESTORATION <br />SEE DETAIL SC-30 <br />36' MIN I <br />42' MA.X 111 29' TYPICAL <br />SEE NOTE 1 <br />FINISHED GRADE <br />WARNING TAPE <br />IT ABOVE - <br />SEE NOTE 4 T <br />6' SAND COVER- <br />SEE- NOTE 3 12-MIN <br />T <br />6' SAND REDOING. <br />SEE NOTE 3 <br />16!(V ,RI511LRY <br />ELECTRICAL <br />CONDUIT <br />ST LIGHT <br />CONDUIT <br />COMMUNICATIONS <br />CONDUIT <br />. - BACKFILL MATERIAL <br />SEE NOTE 2 <br />-- NATURAL GAS VAN <br />WITH TRACER WIRE - <br />SEE NOTE 5 <br />SMOOTH SAND <br />BEDDING <br />12' MIN <br />SEPARATION <br />i WAT-R'.. <br />MA1N. I <br />SEE NOTE 5'k <br />MIN <br />3F <br />SEPARATION <br />GENERAL NOTES: <br />I; THE MINIMUM COVER REQUIRED FOR I6KV PRIMARY ELECTRICAL CONDUIT IS 36', MAXIMUM OF42'-TRENCH DEPTH MIN -MAX MAY CHANGE <br />WITH APPROVAL FROM LIGHT DEPARTMENT <br />2) BACKPILL SHOULD NOT HE USED IF IT CONTAINS LARGE ROCK, PAVING MATERIALS, CINDERS, LARGE OR SHARPLY ANGULAR SUBSTANCE OR <br />CORROSIVE MATERIALS WHICH CAN DAMAGE CONDUITS, CABLES. OR OTHER SUBSTRUCTURES OR PREVENTADEQUATE COMPACTION OF FILL <br />OR CONTRIBUTE TO CORROSION OF CONDUITS, CABLES OR OTHER SUBSTRUCTURES- <br />31 SMOOTH SAND BEDDING IS REQUIRED FOR ELECTRICAL CONDUITS, 6- 6ELOri AND 6' ABOVE MAINT XANCE SAND MAY NOT BE USED AS SAND <br />BEDDING. <br />4} 6- WIDE, RED, NOWDETECTABLE ELECTRIC WARNING TAPE MULTIP!-E WARNING TAPES MAY BE REQUIRED WHEN CONDUITS ARE <br />CUMULATIVELY MORE THAN 12' IN WIDTH_ PLACE WARNING TAPE 6' IN FROM EDGE OF END CONDUITS. <br />5) SEE APPROPRIATE DEVELOPMENT STANDARDS FOR NON -ELECTRIC UTILITY INSTALLATIONS <br />CITY OF El I ENSBURG <br />PUBLIC WORKS & UTILITIES <br />LIGHT DEPARTMENT <br />CREATED BY: M[B CREATED DATE: 7'i9ifli <br />APPROVED BY: TG REVISED: 9-20-22 <br />PAGE # I OF I SCALE : NTS <br />DISTRIBUTION TRENCH REQUIREMENTS <br />LIGHT DEPT_ DISTRIBUTION TRENCH I L-12 <br />Page 18 <br />JOB #3450-316 FAIRGROUNDS RV PARK 3PH EXTENTION, DEVELOPERS AGREEMENT <br />