Government Contract | California
Request for Professional Engineering Services to Design the Headworks Rehabilitation at the Water Quality Control Plant

Bid Information

Bid Alert No: 00001078691

Bid Title: Request for Professional Engineering Services to Design the Headworks Rehabilitation at the Water Quality Control Plant

Agency Bid No. Title: PW 17-06

Received Date: 09/04/2017

Close Date: 10/26/2017

Purchase Type: Not Stated

Delivery Point: Simi Valley, California

Delivery Date: Not Stated

Special Notices: Pre-Bid Conference Mandatory 09/12/2017 10:00 AM


Specifications include, but are not limited to: 1. Capture more solids at the Headworks.Replace the existing -inch bar screens with -inch multi-rake screens or 6mmperforated plate screens and the existing compactors should be replaced withtwo heavy-duty compactors with a washer and/or launder. The desire for the Cityis to reduce maintenance downstream and eliminate the need to use fine screensprior to sludge dewatering.2. Reduce electricity usage.Eliminating the fine screens and subsequent sludge pumping will result insignificant energy savings and potentially allow energy grant funding. In addition, removing more solids upstream will require less pumping and handling of solidswithin the treatment system.3. Improve influent flow characteristics.The plant is susceptible to influent disturbance caused by the accumulation andsubsequent removal of solids from the existing mechanically raked bar screenand the unequal flows delivered by the parallel sewers. The City is looking tobetter control the influent flow by installing a weir structure upstream of theHeadworks to provide a more balanced flow from each influent pipe and alsoprovide more screen submergence to allow a more consistent water level in theHeadworks channel.4. Provide isolation of the screens channels.The existing stop log structures are badly corroded and not functional.Mechanical slide gates are preferred replacements to improve operations andallow for isolation of the screen channels for maintenance of the screens anddownstream pipeline.

Bid Related Documents

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Bid Related Attachments

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Product Code: 92518

Agency Information

Issuing Agency: City of Simi Valley

State: California

Agency Type: State and Local

Contact: Michael Kang, Public Works 2929 Tapo Canyon Road, Simi Valley, California, 93063

Phone: 805-583-6473




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