Title
Staff Report for a Resolution to Increase the Change Order Cap from 25% to 40%, Which Would Result in an Additional Increase of $28,658.00 for a Total Increase to the Original Agreement of $52,319.00 for a Total not to Exceed Amount of $183,118.00 in the Agreement and Authorizing the City Manager to Execute Amendment No. 1 with Carollo Engineers, Inc. for the Water Pollution Control Plant Dirt Relocation Project, Project No. 2015.0300.
Staffreport
SUMMARY AND RECOMMENDATIONS
Staff recommends that the City Council increase the Change Order Cap from 25% to 40% for the subject project, for a total increase to the approved contract of $52,319.00 and authorize the City Manager to Execute Amendment No. 1 for the changes. The project budget has sufficient allocations to fund the increased cost.
BACKGROUND
The construction phase of the WPCP Rehabilitation Project generated excess soil that must either be reused on-site or hauled to a disposal location. The soil can be reused on site as cost savings measure by filling in a portion of an existing storage pond to create a level area for equipment staging and storage. The existing storage pond has excess capacity and the proposed work will not negatively impact plant operations. This work requires a permit from the San Francisco Regional Water Quality Control Board (Water Board).
The City has contracted with Carollo Engineers, Inc. (Carollo) for a feasibility study, geotechnical evaluation, permit documents, and detailed design of the soil relocation work.
If the Water Board denies the City's permit application, the soil will be hauled to a disposal location.
Analysis
Three change orders have already been made to the Carollo scope of work:
1. Collect sludge samples from within the existing pond.
2. Revise the design to relocate the pad away from existing utilities and culverts.
3. Investigate existing monitoring wells and develop an outline of a plan to measure the migration of existing...
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