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Chaplain Gap Timber Sale <br /> 6-70 APPROVAL BEFORE ROCK APPLICATION: Subgrade drainage installation including culvert <br /> installation, ditch construction, ditch reconstruction, headwall construction, and headwall reconstruction, <br /> shall be completed and approved in writing by the Contract Administrator,before rock application. <br /> 6-71 ROCK APPLICATION: Rock shall be applied in accordance with the specifications and quantities shown <br /> on the TYPICAL SECTION SHEET. Rock shall be spread, shaped, and compacted full width concurrent <br /> with rock hauling operations.Road surfaces shall be compacted in accordance with the TYPICAL SECTION <br /> SHEET by routing equipment over the entire width. <br /> 6-73 ROCK FOR WIDENED PORTIONS:Turnarounds,turnouts,and areas with curve widening shall have rock <br /> applied to the same depth and specifications as the traveled way. <br /> SECTION 7 STRUCTURES <br /> 7-50 BRIDGE CONSTRUCTION:The Purchaser shall construct and install a bridge in accordance with this <br /> plan.Refer to BRIDGE INSTALLATION DETAILS design sheet for specifications and requirements. <br /> SECTION 8 EROSION CONTROL <br /> 8-15 PUMP-AROUND:Purchaser must pump live water around construction areas during all in-water activities <br /> related to removal of culverts and installation of bridge on D-1000 road. <br /> 8-16 REVEGETATION:Purchaser shall spread seed on all exposed soils within the grubbing limits resulting from <br /> road work activities.Covering of all exposed soils shall be accomplished by manual dispersal of grass seed. <br /> Other methods of covering must be approved in writing by the Contract Administrator. <br /> 8-17 REVEGETATION TIMING:The Purchaser shall perform revegetation during the first available opportunity <br /> after road work is completed. Soils shall not be allowed to sit exposed for longer than one month without <br /> receiving revegetation treatment unless otherwise approved in writing by the Contract Administrator. <br /> 8-18 PROTECTION FOR SEED: Purchaser shall provide a protective cover for seed if revegetation occurs <br /> between July 1 and March 31. The protective cover shall consist of, but not be limited to dispersed straw, <br /> jute matting, or clear plastic sheets as approved by the Contract Administrator. The protective cover <br /> requirement may be waived by the Contract Administrator,in writing,if the Purchaser is able to demonstrate <br /> a revegetation plan that will result in the establishment of a uniform dense crop(at least 50%coverage)of 3- <br /> inch tall grass by October 31. <br /> 8-19 ASSURANCE FOR SEEDED AREA: The Purchaser shall be responsible to ensure a uniform and dense <br /> crop(at least 50%coverage)of 3-inch tall grass.The Purchaser shall reapply the grass seed in areas that have <br /> failed to germinate or have been damaged through any cause, before approval from the Contract <br /> Administrator.The Purchaser shall restore eroded or disturbed areas,clean up and properly dispose of eroded <br /> materials,and reapply the seed at no addition cost to the City. <br /> 8-25 GRASS SEED: Purchaser shall evenly spread the seed mixture listed below on all exposed soil inside the <br /> grubbing limits at a rate of 120 pounds per acre of exposed soil. Grass seed shall meet the following <br /> specifications: <br /> 1.Weed seed shall not exceed 0.5%by weight. <br /> 2.All seed species shall have a minimum 90%germination rate,unless otherwise specified. <br /> 3. Seed shall be certified free of noxious weeds. <br /> 4. Seed shall be furnished in standard containers that show the following information: <br /> a.Common name of seed <br /> b.Net weight <br />