REPORT TO COUNCIL
SUBJECT
Title
Award of Contract to Wastewater Solids Management, Inc. for Digesters No. 2 and No. 3 Cleanout 2018 Project (F19-053)
Report
REPORT IN BRIEF
Approval is requested to award a contract to Wastewater Solids Management, Inc. of Yerington, NV, in the amount not to exceed $269,690, for the Digesters No. 2 and No. 3 Cleanout 2018 project.
EXISTING POLICY
In accordance with Section 2.08.060 of the Sunnyvale Municipal Code, maintenance work anticipated to cost more than $50,000 is conducted through the issuance of an Invitation for Bids (IFB), with a contract awarded to the lowest responsive and responsible bidder.
Pursuant to Section 2.08.040 of the Sunnyvale Municipal Code, City Council approval is required for the procurement of goods and services exceeding $100,000, in any one transaction.
ENVIRONMENTAL REVIEW
The California Environmental Quality Act (CEQA) determination for the project is a categorical exemption pursuant to CEQA Guidelines Section 15301(b), for existing publicly-owned utilities facilities involving negligible or no expansion of use beyond which presently exists.
BACKGROUND AND DISCUSSION
The Water Pollution Control Plant has four anaerobic digesters that require periodic cleaning to remove accumulated debris that become trapped inside during normal operations. Over time, inorganic debris accumulates at the bottom of each digester. Other material collects through the mixing action of the pumping system and floats to the top of the digester tank, creating a thick mat. The excessive accumulation of these materials at the bottom of the digester and floating material at the top can damage the digester systems when regular maintenance does not occur.
Currently, Digester No. 2 and No. 3 are experiencing performance issues related to the debris accumulation mentioned above. Additional digester cleaning work is currently being procured.
An Invitation for Bids was issued on October 31, 2018 through the DemandStar pub...
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