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Environmental Management Department recommending the Board accept the supplying and hauling of soil for the Vegetative Cover, Union Mine Landfill, 13.6-Acre Class III Old Landfill Area, Contract No. 027-PA-06/07-BOS as substantially complete; and Chairman be authorized to sign Notice of Completion for same under contract with Joe Vicini, Inc.
RECOMMENDED ACTION: Approve.
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Fiscal Impact/Change to Net County Cost: There is no cost to the General Fund.
Background: The closure for the 15.8-acre Class III Old Landfill at the Union Mine Disposal Site specified by the Central Valley Regional Water Quality Control Board (CVRWQCB) in new Waste Discharge Requirements Order No. R5-2006-0020 was required to be completed by August 15, 2007. As part of the Final Closure Plan, submitted to the CVRWQCB on March 30, 2006, it was identified that 13.6 acres of the 15.8-acre Class III Old Landfill Area would receive final cover in the year 2007. The remaining 2.2 acres are scheduled to be closed in the year 2040, the projected closure date of the Class II active disposal area.
The closure of the Union Mine Landfill project was divided into three components for bidding purposes. The first component being the supplying and hauling of soil for the Vegetative Cover, the second being the supplying and installation of the Geosynthetics, and thirdly, the construction of the Final Cover.
On May 8, 2007, the Board awarded a contract to Joe Vicini, Inc. of Placerville, California for the supplying and hauling of soil to construct the vegetative layer for the final cover of the 13.6-acre old Union Mine landfill area in the amount of $429,000.
Reason for Recommendation: Concurrently with this item,one related change order is being presented for Board approval, to increase the payment to the contractor by $121,396.08, representing an increase of 6,225.44 cubic yards of soil over the original amount of 22,000 cubic yards. This project has been substantially completed ...
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