Title
Staff Report for Resolution to Award a Construction Contract to Pacific States Environmental Contractors, Inc. for the Water Pollution Control Plant Dirt Removal 2017, Project No. 2015.0300; Authorization for the City Manager to Negotiate and Approve Individual Change Orders up to 5% of the Original Contract Amount; and Authorization for the City Manager to Negotiate and Approve Cumulative Change Orders up to 15% of the Original Contract Amount
Staffreport
SUMMARY AND RECOMMENDATIONS
The subject project will off haul soil generated by the Water Pollution Control Plant (WPCP) Rehabilitation project.
Staff recommends the following actions:
* Award of a contract to Pacific States Environmental Contractors, Inc. in the amount of $729,900 for the subject project; and
* Authorize the City Manager to negotiate and approve individual change orders up to 5% (or $36,495) of the original contract amount; and
* Authorize the City Manager to negotiate and approve change orders up to a cumulative value of 15% (or $109,485) of the original contract amount.
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. Staff determined that approximately 40,000 tons of the dirt generated had 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 staff deemed the cost of treatment, re-use, and/or off haul significant enough to warrant competitive bidding of the work. This contract is for removal of approximately half of the dirt stockpiled on site.
The remainder of the dirt to be removed will likely require treatment before off haul. Staff is evaluating alternatives for disposal of the remaining dirt and will bid this work separately.
Analysis
Bids were opened on September 7, 2017. Two bids were received, ranging fro...
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