Explanation
1. BACKGROUND: This legislation authorizes the Director of Public Utilities to enter into a professional engineering services agreement with T&M Associates for the Southerly Waste Water Treatment Plant (SWWTP) Main Drain Pump Station, CIP# 650352-100006.
This project will construct a flow diversion structure and pump station within the SWWTP Main Drain pipeline. This pump station will prevent inundation of the Main Drain and plant structures and will allow flow to continue to the plant's influent conduit and headworks facility during large wet weather high flow events.
Planning Area: 99
2. FUTURE MODIFICATION(S): The total term of the engineering agreement is anticipated to be 2-1/2 years. There will be renewals and/or modifications of this contract during the course of the project.
3. TIMELINE: The Professional Engineering Services Agreement is anticipated to be signed in late October, 2020. Detailed Design will continue until advertisement for bids, then bidding services will commence. The current schedule shows that the plans and specs will be finalized and ready for advertisement in July 2021, bids will be received in September 2021, and the Notice to Proceed of the construction contract will occur in late November 2021. The anticipated end of the construction contract is December 2022. The Professional Engineering Services contract will continue beyond completion of construction to provide “as-built” record drawings of the constructed facilities. The engineering agreement is anticipated to be closed in the first quarter of 2023. The total term of the engineering agreement is anticipated to be 2-1/2 years.
4. ECONOMIC IMPACT/ADVANTAGES; COMMUNITY OUTREACH; PROJECT DEVELOPMENT; ENVIRONMENTAL FACTORS/ADVANTAGES OF PROJECT: With the planned improvements, SWWTP will have the necessary infrastructure to reduce the potential for inundation and damage to the plant’s buildings and structures due to Main Drain flooding. These improvements will ...
Click here for full text