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Measurement and Payment <br /> There will be no measurement for payment. Payment for this task will be reflected in a lump <br /> sum bid under Item 2 on the Bid Schedule. This lump sum bid will cover all costs for <br /> structural demolition and removal of rubble and debris from the mine bench area, lower bench <br /> and conveyor corridor to the disposal areas. Payment shall be as this task is completed and <br /> approved by the PROJECT MANAGER. <br /> TASK 3 SILT FENCE <br /> Silt fences will be Mirafi Prefabricated Silt Fence with Posts, or approved equivalent. Silt <br /> fence will be installed as per manufacturers specifications with 3 feet between posts. Silt <br /> fence will be placed at various locations to minimize the transportation of sediment from each <br /> disposal facility and will be paid for under Task 3. Placement of silt fencing will occur <br /> concurrently with grading operations. Approximately 1,200 feet of silt fence will be installed <br /> at the Mine 4 Area, and 400 feet at the Lower Bench Area. The silt fence will remain after <br /> project work is completed. <br /> The PROJECT MANAGER will notify the CONTRACTOR if additional silt fencing must be <br /> provided and installed. Additional silt fence will be paid under Task 9. <br /> Measurement and Payment <br /> Silt fences will be measured to the nearest linear foot. Payment for this task will be paid for <br /> at prices established in Item 3 of the Bid Schedule per linear foot installed. Such payment <br /> shall be considered full compensation for all labor, materials, equipment and all other items <br /> necessary and incidental to the furnishing and placement of the silt fences as directed and <br /> described in the specifications. Payment will be as this task is completed and approved by <br /> the PROJECT MANAGER. Payment for this task will be made only for the unit price shown <br /> under Task 3 of the Bid Schedule. <br /> TASK 4 EARTHWORK <br /> The earth work portion of this Bid involves two tasks: a) Mine 4 Area, and b) Lower Bench <br /> Area. This task will accomplish reclamation of the Mine 4 highwall, including the Mine 4 fan <br /> highwall, the mine and fan bench areas and the bench outslopes. The Lower Bench Area <br /> highwall and bench outslope will also be reclaimed. The Lower Bench Area is located at the <br /> base of the now removed conveyance system. <br /> Task 4a - Mine 4 Area <br /> The goal of Task 4a is to accomplish partial backfilling of the Mine 4 entry and fan highwall. <br /> The material to be backfilled against the highwall will be obtained from the outslope of the <br /> existing bench. The outslope consists of material derived from the development of the <br /> highwall. The material to be excavated from the bench outslope is composed of weathered <br /> sandstone, shale and coal materials. <br /> 8 <br />