REPORT TO COUNCIL
SUBJECT
Title
Action to Approve Expenditures and Ratify an Agreement with Bartley Pump PM, LLC, dba PumpMan Norcal, for the Well No. 34 Rehabilitation Project for a Not-to-Exceed Amount of $323,834
Report
COUNCIL PILLAR
Deliver and Enhance High Quality Efficient Services and Infrastructure
BACKGROUND
The City of Santa Clara Water & Sewer Utilities Department (WSUD) owns, operates and maintains groundwater wells that provide potable water for the City's water distribution system.
Well No. 34 is located at 615 Moreland Way and was constructed in 2004. The well has a total depth of 840 feet below ground surface and consists of a 16-inch diameter steel casing with Ful-Flo louvered openings at several intervals. The well has experienced issues with excessive sand production and hydrogen sulfide odor upon startup.
Well No. 34 is considered critical infrastructure to providing and maintaining high quality water service to the City's residents and businesses north of Highway 101 due to water only being supplied by the San Francisco Public Utilities Hetch Hetchy import and City Well No. 34.
In March 2022, WSUD published a Request for Proposal (RFP) for well condition assessment and engineering services during rehabilitation. Three proposals were received and independently evaluated by a three-member evaluation team. Kyle Groundwater, Inc. was selected and approved by Council to perform condition assessments on six (6) water wells, including Well No. 34.
The condition assessment of Well No. 34 was performed in October 2022 using downhole video and electro-magnetic defecto-scope (EMDS) surveys. The work necessitated removal of the existing pump and motor to access the well casing.
Based on the results of the condition assessment, Well No. 34 has been recommended for rehabilitation consisting of sediment removal, mechanical and chemical cleaning, and well re-development via focused intake pumping and surging.
DISCUSSION
The existing pump an...
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