8G Consent Calendar 2018 0319 - Laserfiche WebLink

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City of San Leandro Meeting Date: March 19, 2018 Staff Report Agenda Section:File Number:18-117 CONSENT CALENDAR Agenda Number:8.G. TO:City Council FROM:Chris Zapata City Manager BY:Keith Cooke Engineering & Transportation Director FINANCE REVIEW:David Baum Finance Director TITLE:Staff Report for a Resolution to Authorize a Change Order and to Accept the Work for the Water Pollution Control Plant Dirt Removal 2017, Project No. 2015.0300 SUMMARY AND RECOMMENDATIONS This project was modified to provide testing of a portion of the soil generated by the Water Pollution Control Plant (WPCP) Rehabilitation project. Staff recommends authorizing a change order to modify the scope of work and accepting the soil testing work done by Pacific States Environmental Contractors, Inc. (Contractor), releasing the bonds for the work, and filing the notice of completion. BACKGROUND The Water Pollution Control Plant (WPCP) rehabilitation project generated a large volume of soil, most of which was off hauled as part of the original construction project. Approximately 40,000 tons of the dirt generated was found to have higher than expected levels of metal and other contaminants and was stockpiled on site for possible treatment, re-use, or off haul. The subject dirt was stockpiled on site because the cost of treatment, re-use, and/or off haul was deemed to be significant enough to warrant competitive bidding of the work. This contract was originally for removal of approximately half the dirt stockpiled on site; however, the contract was modified significantly as described below. Analysis Staff halted work on the contract upon receipt of additional test results indicating that the dirt was Page 1 City of San Leandro Printed on 3/13/2018 434