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<br />.~ <br />TECHNICAL REVISION #6 JULY 1987 R E C E I V E D <br />PIREVIEw uQ ARRY JUL 161987 <br />PERMIT N0. M-77-211 MINED LAND <br />CASTLE CONCRETE COMPANY RECjAMAT10N DIVISION <br />REVISION IN BRIEF: This technical revision modifies previously approved <br />plans under the 1985 approved Grading and Drainage Plan for the Pikeview <br />Quarry Shop Slope and Technical Revision #5. This revision, Technical <br />Revision #6, addresses the additional and subsequent problem of the <br />slumping on the east end of the ahoy slope. It also describes an <br />expansion of the sediment pond area which will permit backfilling the <br />entire area of the old access road thereby producing gentle slopes into <br />the drainage course and hill above the old access road. The plan <br />includes this narrative description of the project as well as the <br />accompanying map. No effect will occur on the permitted reclamation plan <br />or the bonding for the operation. <br />INTRODUCTION AND HISTORY: The complex situation in the vicinity of the <br />Pikeview Shop has been developing for sometime. The first step occurred <br />in the 1982 amendment to the permit which provided for regrading the <br />slope behind and to the north of the shop. An inspection was <br />subsequently performed by Philip Saletta of the Division of Mined Land <br />Reclamation. In his inspection he noted the instability in the slope to <br />the south of the shop and requested corrective action be taken. That <br />plan was submitted on April 10, 1985 and accepted. Because regrading <br />the slope to the south would remove a good deal of work area, Technical <br />Revision #5 was submitted (May 10, 1985) in order to modify the original <br />regrading plan for the slope north of the shop. TR #5 offset the lose <br />of land to the south of the shop. The stability problem to the south of <br />the shop was not actually part of a technical revision but wes a <br />response to an inspection item. It is our recollection that Mr. Saletta <br />preferred the item be dealt with as a response rather than ae a <br />technical revision, although our desire was for the latter. <br />Page 1 of 6 Pikeview TR N0.6 July 1987 <br />