Laserfiche WebLink
includingfurnishing and placing lifters��--arrd-piac;inge�ccetsiorloys,Trfausmelit f <br /> topsoil,distribution-of-seed-asd-provisiGn-and-nstallafi n-of-ferfter-as directed and described in <br /> the specifications. Payment will be as this task is completed and approved by the PROJECT <br /> MANAGER. <br /> G <br /> Task 5 Al <br /> rL <br /> X f <br /> ge S� �tG�A,rsdr CL e G�,,irr I <br /> Portal Repair and Rock A 6n <br /> The mine portal area ckfill extends up against a sandstone outcrop. Water upgradient of the <br /> portal backfill is fi ing into an existing channel and creating an_opening between the sandstone <br /> and fill material. Follow ing..excavation,-the-hole-may b'e filled with oa:sita-ma ial 18 to 24 L n a,,,-s 1 r <br /> diameter rock�y"-'-Polyurethane Foam Plug (PUF)in accordance with Specification 9 of the <br /> Gene 13rd Specifications, Colorado Inactive Mine Reclamation Program, 2006. The PUF must <br /> IN covered with minimum 3 feet cover using onsite fill material. Use of PUF is not guaranteed. <br /> vI <br /> rd A rock channel apron will need to be installed over the repaired hole to deflect water into the <br /> existing channel and rock check dams. The rock apron will be constructed using on-site rock <br /> �r material 18"to 24"diameter in size. The rock apron shall be approximately 5 feet wide, 10 feet <br /> long and 3 feet deep and keyed into the surrounding material to a depth of 2 feet on both sides <br /> of the apron. <br /> Measurement and Payment <br /> There will be no measurement for payment of Task 5, Portal Repair and Rock Apron <br /> construction. Payment for this Task will be reflected in a lump sum bid under Item 5 on the Bid <br /> Schedule. This lump sum bid will cover all costs for excavating, hauling, placing and <br /> compacting the rock material as described in these specifications. <br /> Task 6 <br /> Revegetation: <br /> All areas disturbed during reclamation construction work and any other areas specified by <br /> Project Manager will be revegetated. Contractor will supply fertilizer, mulch, labor and <br /> equipment necessary for completion of this Task. Owner will supply seed. <br /> The following requirements will be adhered to: <br /> Fertilizer: Biosol Plus(7-3-3), or approved equivalent, will be added to all ground surfaces <br /> disturbed during reclamation construction. This material will be applied in advance of seeding at <br /> the rate of eight hundred (800)pounds per acre. It is estimated that 80Ci pounds of Biosol Plus or <br /> approved equivalent will be required. <br /> Seedbed Preparation: Seedbed preparation was accomplished as a result of Surface <br /> Roughening operations. Surface roughening will be accomplished in the following manner: <br /> - Two(2)tons of certified weed free mulch per acre will be applied to the ground surface. <br /> Mulch will be provided by Contractor and must be certified as noxious weed free or noxious <br /> weed seed free by an authorized State or County Officer. Documentation of certification must <br /> - 10- <br />