Title
Union Hills Water Treatment Plant Rehabilitation 2016 - Design Services Change Order 1 (Ordinance S-43983)
Description
Request to authorize the City Manager, or his designee, to increase the amount of Wilson Engineers, LLC's existing Design Services Contract 143215 by $892,376 in support of the Union Hills Water Treatment Plant Rehabilitation 2016 project. Further request authorization for the City Controller to disburse all funds related to this item.
Report
Summary
Wilson Engineers, LLC's existing Design Services Contract 143215 was approved by City Council on July 1, 2016, and the project received a Notice to Proceed dated Sept. 29, 2016. The contract includes a plant-wide asset condition assessment, which was completed in April 2017. Wilson Engineers, LLC, presented the condition assessment results to Water Services Department's staff and recommended additional rehabilitation design items to be addressed under the current contract.
The proposed additional design services for the new scope include:
1) Replacement of Raw Water electrical equipment;
2) Replacement of the Finished Water Building electrical gear;
3) Replacement of the Unit Substation electrical gear for the Powder Activated Carbon/Acid, Administration, and Blower Building; and
4) Replacement of existing 1-ton Chemical Scrubber with two 6-ton scrubbers with new fire alarm system.
Contract Term
This Design Services Change Order 1 will not affect the original Contract 143215 expiration date of Sept. 29, 2018.
Financial Impact
Wilson Engineers, LLC's fee under this Change Order 1 shall not exceed $892,376 including all subconsultant and reimbursable fees. Funds are available in Water Services Department's Capital Improvement Program budget.
Concurrence/Previous Council Action
On July 1, 2016, City Council approved Contract 143215 not to exceed $945,649.
Location
This project is located at the Union Hills Water Treatment Plant.
Council District: 2
Department
Responsible Department
This item is submitted by Deputy City Manager Karen Peters and the Water Services Department.