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File #: 1616-2021    Version: 1
Type: Ordinance Status: Passed
File created: 6/11/2021 In control: Public Utilities Committee
On agenda: 7/12/2021 Final action: 7/15/2021
Title: To authorize the Director of Public Utilities to enter into an agreement with Brown and Caldwell for professional engineering services for the Southerly Waste Water Treatment Plant Digestion Process Expansion Project, Phase II for the Division of Sewerage & Drainage; to authorize a transfer of up to $1,129,193.00 within and an expenditure of up to $2,504,192.85 from the Sanitary General Obligation Bond Fund; and to amend the 2020 Capital Improvement Budget. ($2,504,192.85)
Attachments: 1. ORD 1616-2021 Funding Template, 2. ORD 1616-2021 Utilization
Explanation
BACKGROUND: During the redesign of the initial Digestion Process Expansion project, the APD upgrade and rehabilitation portion of the project was removed. This project will pick up the rehabilitation portion of the work. In addition, this project will evaluation efficiencies in the solids train operation that may provide cost savings and revenue streams to the City through tipping fees for fats, oils, grease and organics receiving and through the production of a phosphorous byproduct that can be sold a fertilizer. This project will also help the plant utilize the biogas generated in the digesters by cleaning impurities, such as siloxanes and hydrogen sulfide, from the gas.
The community planning area for this project is 99 - Citywide.

FUTURE RENEWAL(S)/MODIFICATION(S): Future renewals are anticipated for project. The initial term for this agreement will be for 18 months. Upon completion of Step 1 - Preliminary Design Services, a contract renewal will be provided for Step 2 - Detailed Design Services and a second renewal will be provided for Step 3 - Services During Construction. The estimated end for all phases of the contract is anticipated to be in October 2027.

TIMELINE: The initial term for this agreement will be for 18 months. Upon completion of Step 1 - Preliminary Design Services, a contract renewal will be provided for Step 2 - Detailed Design Services and a second renewal will be provided for Step 3 - Services During Construction. The estimated end for all phases of the contract is anticipated to be in October 2027.

ECONOMIC IMPACT/ADVANTAGES; COMMUNITY OUTREACH; PROJECT DEVELOPMENT; ENVIRONMENTAL FACTORS/ADVANTAGES OF PROJECT:
This project may involve the diversion of food waste from the landfill, to the Southerly Digesters. This will provide an economic and environmental benefit by reducing waste sent to the landfill and allowing Southerly to produce biogas for possible cogeneration or compressed natural gas generation. The addition ...

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