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<br />extreme south end of the East Pit shall not be disturbed or <br />regraded. Grading shall proceed from where the highwall <br />commences on the extreme south end of the East Pit and extend <br />north into the pit. Please note that the large size maps do <br />show this undisturbed drainage area to require grading which <br />is not the case. <br />The compaction requirements outlined in paragraph 2 must be <br />followed provided it can be done safely. <br />9. In reference to Task 12-East Pit Permanent Channel <br />Reconstruction Scope of Work, Work Description and Measurement <br />and Payment shall be modified to include the following; the <br />Scope of Work is to establish a permanent channel <br />reconstruction down the length of the East Pit as shown on the <br />attached Map 7 and cross sections on Drawings 2-4. This task <br />is broken into four parts: 12a) Approximately 150 linear <br />feet of channel constructed with erosion mat only, 12 b) <br />Approximately 250 linear feet of channel installed with <br />erosion control mat and riprap (flat sided on site rock). <br />12c) Approximately 2200 linear feet of channel constructed <br />without erosion mat. 12d) 15 drop structures constructed on <br />150 foot centers or as specified by the OWNER within the 2200 <br />feet of channel constructed without erosion mat. <br />The work description shall include 12d) DROP STRUCTURES. The <br />description of drop structure construction is hereby moved <br />from 12c to 12d for ease in bidding. <br />The measurement and payment for task 12 will be for the actual <br />number of linear feet of permanent channel reconstruction for <br />the unit price bid under Items 12a, 12b and 12c. on the Bid <br />Schedule. Item 12d shall be for the actual number of drop <br />structures constructed for the unit price bid. <br />10. The full sized GEC East Pit and Chen's Hill Final Contour and <br />Existing Contour Maps which were handed out at the pre-bid are <br />hereby incorporated into the Invitation and Bid by reference. <br />11. In reference to Task 13-East Pit Topsoil Replacement Work <br />Description shall be modified to include the following; the <br />topsoil and overburden growth medium must be replaced evenly <br />to a depth of 6 inches over the entire disturbance or to the <br />extent of the available soil. In the event of insufficient <br />soils, the PROJECT MANAGER shall indicate the areas to receive <br />topsoil replacement. <br />12. In reference to Task 15 and 16-Equipment Rental scope of work, <br />work description and measurement and payment shall be modified <br />to include the following equipment; <br />Item 17. 24 hours of loader time, with operator, 966F <br />Loader with a 5 yard bucket or equivalent 220 FHP <br />machine. <br />Item 18. 24 hours of truck time, with operator, 20 cubic <br />