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HomeMy WebLinkAboutMINUTES - 05121992 - 1.8 4 TO: BOARD OF SUPERVISORS, as the Governing Body of the Contra Costa County Flood Control and Water Conservation District FROM: J. MICHAEL WALFORD, CHIEF ENGINEER DATE: MAY 12, 1992 SUBJECT: SOIL EXCAVATION AGREEMENT-DRAINAGE AREA 105, DEER CREEK DETENTION BASIN - BRENTWOOD AREA - PROJECT (7590-6D8515) SPECIFIC REQUEST(S) OR RECOMMENDATION(S) & BACKGROUND AND JUSTIFICATION I. Recommended Action: APPROVE Soil Excavation Agreement for the Deer Creek Detention Basin with Morrison Homes Northern Division, a division of George Wimpey, Inc., and AUTHORIZE the Chief Engineer to sign the Agreement on behalf of the District. II. Financial Impact: The Agreement commits the District to pay Morrison Homes Northern Division, $2.00 per cubic yard for the removal of between 20,000 and 40,000 cubic yards of soil material from the Deer Creek Detention Basin in Brentwood. The funding source is Flood Control Drainage Area 105. III. Reasons for Recommendations: Informal bids were recently solicited in an attempt to sell the material in place. No positive bids were received. All bids were rejected, the lowest being $2.50 per cubic yard. Subsequent to the rejection of the bids, the purchaser advised he had an immediate need for the material and would take the material at a lower price. Development of the detention basin requires that this material be removed and it appears the best price to the District can be achieved in cases like this where immediate commitments can be made when the material is wanted. The district intends to contract for the removal of the material on a first-come, first-served basis at $2.00 a yard to any qualified excavator until the basin is completed. Continued on Attachment: SIGNATURE: *1A1y!`1a;ze _ RECOMMENDATION OF COUNTY ADMINISTRATOR _ RECOMMENDATION OF BOARD COMMITTEE APPROVE OTHER SIGNATURE(S): ACTION OF BOARD ON MAY 12 1992 ' APPROVED AS RECOMMENDED OTHER _ VOTE OF SUPERVISORS J.UNANIMOUS (ABSENT ) AYES: NOES: 1 hereby certify that this Is a true and correct copy at an action taken and entered on the minutes of tho Board of Supervisors on the date shown. ABSENT: ABSTAIN: ATTESTED: MAY 2 g? , — PHIL BATCHELOR,clerk of the Board RF:glo of Supervisors and County Administrator c:BO1412.t5 , Orig. Div: Public Works (R/P) By �, �•►�►� _ ___,Deputy cc: County Administrator Auditor-Controller (via R/P) P. W. Accounting SOIL EXCAVATION AGREEMENT-DRAINAGE AREA 105, DEER CREEK DETENTION BASIN- BRENTWOOD AREA - PROJECT MAY 12, 1992 Page TWO IV. Background: The District has estimated that if there were no demand for soil material for offsite use, the cost to excavate the basin could run between $4 and $5 per cubic yard. While no positive bids were recently received for the basin excavation, the lowest non-conforming bid was $2.50 per cubic yard. Contracting to remove the material on an as-needed basis at $2.00 per cubic yard represents a considerable savings to the District over estimated costs if there is little or no demand for the material. It is estimated that approximately 220,000 cubic yards of material will have to be removed. V. Consequences of Negative Action: If the award is delayed, there is a risk that the material will not be in demand when the District wishes it removed. This would result in an increased cost to the District. Since the amount to be removed is substantial, the cost increases could be substantial.