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HomeMy WebLinkAboutEngineering & Operations MINUTES 04-03.23Page 2 of 5 LCENTRAL SAN BOARD OF DIRECTORS: REGULAR MEETING OF THE BARBARA D. HOCKETT CENTRAL CONTRA COSTA President SANITARY DISTRICT MARIAHNLPresidennttPPro EN ro Tem ENGINEERING & OPERATIONS MICHAEL R. MCGHL COMMITTEE TAD J. P DIVISION 3-VAACANTCANT MINUTES PHONE: (925) 228-9500 FAX: (925) 372-0192 Monday, April 3, 2023 www.centralsan.org 9:00 a.m. Committee: Chair Tad Pilecki Member Mike McGill Guest: Melanie Carrido, MWH Constructors Staff. - Roger S. Bailey, General Manager Katie Young, Secretary of the District Danea Gemmell, Provisional Director of Engineering and Technical Services Philip Leiber, Director of Finance and Administration Paul Seitz, Provisional Director of Operations Edgar Lopez, Capital Projects Division Manager Neil Meyer, Plant Maintenace Division Manager Nitin Goel, Operations Optimization Division Manager Clint Shima, Senior Engineer (left after Item 3.a.) Jon Nicolas, Superintendent, Operations and Maintenance Stacey Durocher, Admimistrative Services Assistant 1. Call Meetina to Order Chair Pilecki called the meeting to order 9:02 a.m. 2. Public Comments No public comments. April 20, 2023 Special Board Meeting Agenda Packet - Page 719 of 724 Page 3 of 5 Engineering & Operations Committee Minutes April 3, 2023 Page 2 3. Items for Committee Recommendation to Board a. Review draft Position Paper to authorize the General Manager to execute an amendment to an existing services contract with Alfred Conhagen, Inc. in an amount not to exceed $150,000, bringing the total cost ceiling to $322,250 for completed repairs to the spare steam turbine rotor Mr. Shima discussed the draft Position Paper included in the agenda materials. Chair Pilecki asked if only one bid was received. Mr. Shima responded yes. However, the bid period was extended, and no other bids were received. Chair Pilecki asked staff what the useful life of the turbines was and if repairing versus replacing was the right direction. Mr. Shima explained that at this time it is more prudent to repair rather than replace, and if they are maintained, they could last for a long time. Chair Pilecki asked Mr. Lopez if staff had any plans to replace the turbines. Mr. Lopez replied that staff has no near -term plans for replacement and will continue monitoring and perform condition assessments in the future. If the steam turbine driven blowers are determined to be replaced, the current plan would be to install steam generators to supply power for the electric blowers. Further discussion ensued and staff addressed all concerns of the Committee. COMMITTEE ACTION: Recommended Board approval. b. Review draft Position Paper to consider adopting the 2023 Asset Management Plan Mr. Goel provided a detailed overview of the materials in the agenda packet. Member McGill suggested updating the disclaimer language. Chair Pilecki requested that a similar flow chart of processes be added to show past practices for future comparison. Chair Pilecki asked staff to explain the migration from a Geometric Network to a Utility Network. Mr. Goel stated that the Geometric Network is a seven -layer system, and the Utility Network is a three -layer system. It is recommended that Central San be proactive in moving its assets from the seven -layer system to the three -layer system to allow for 3-D modeling April 20, 2023 Special Board Meeting Agenda Packet - Page 720 of 724 Page 4 of 5 Engineering & Operations Committee Minutes April 3, 2023 Page 3 which improves staffs ability to visualize how the Collection System is operating. Chair Pilecki asked how the new Smart Motor Control Centers (SMCC's) differ from the original Motor Control Centers (MCC). Mr. Goel stated that the SMCC's perform considerably more diagnostics, and Mr. Lopez added that the networking capabilities are significantly improved as well. Although the equipment is more expensive, the installation of SMCC's is a simpler for controls. Thus, the cost savings for electrical installation outweighs the added costs. SMCC's have been installed at Headworks, Primaries, and the Filter Plant. Engineering has included SMCC's as the new design standard for new or replacement. Further discussion ensued. Chair Pilecki referenced a previous conversation and asked if Information Technology (IT) was aware of any upgrades. Mr. Bailey replied that IT was aware and had some concerns. Mr. Goel clarified that staff is fast tracking the hardware first. Chair Pilecki asked staff to spell out the acronyms in the next update of the Asset Management Plan. Member McGill complimented staff on developing a comprehensive document to use for Central San Academy and went on to say that Central San has set an overarching goal as being a leader in the industry and opined that this is an important matter. Chair Pilecki opined that integrating all databases will make Central San more efficient. Chair Pilecki requested that staff update the data to be more consistent for various infrastructure, such as pipelines, maintenance access structures and cleanouts. Chair Pilecki asked staff if there was a way to take advantage of data collected over the years to prepare a progression analysis of the rate of degradation of pipeline giving a more realistic number to put in the Capital Improvement Plan (CIP) for the Collection System. Mr. Lopez indicated that staff had not used the old data due to conversion issues in the past. However, more time has passed and staff has not investigated whether there's an easier method to evaluate this data. In general, the sewer renovation program focuses on small diameter pipes, mostly six-inch clay sewers, since those are the most problematic within the system and contribute to many overflows. Mr. Seitz added that degradation of the April 20, 2023 Special Board Meeting Agenda Packet - Page 721 of 724 Page 5 of 5 Engineering & Operations Committee Minutes April 3, 2023 Page 4 pipes should not be affected by the maintenance, but there are other factors that may, such as ground movement, landscaping, or where it is located, and that the roots are cleaned every 12 to 24 months depending on the location. The larger pipes over 24-inches are a bigger concern and higher risk. Member McGill asked whether Artificial Intelligence (AI) will become part of this plan. Mr. Goel replied that staff has started a project with Aqua Site to evaluate other technology and assist with monitoring Central San's systems. Mr. Leiber added that many of these issues will be addressed once the IT Strategic Plan is finalized, and this will be a combined effort between the IT and Operations Optimization divisions. Chair Pilecki ask Member McGill if a presentation to the full board would be warranted. Member McGill responded that a workshop might be better. Chair Pilecki suggested a workshop may be necessary once the IT Master Plan is ready. COMMITTEE ACTION: Recommended Board approval. 4. Announcements None. 5. Suggestions for Future Agenda Items a. Receive list of upcoming agenda items and provide suggestions for any other future agenda items COMMITTEE ACTION: Received the list. 6. Future Scheduled Meetings Monday, May 8, 2023 at 9:00 a.m. (Budget Review) Monday, May 15, 2023 at 9.00 a.m. Monday, June 12, 2023 at 9:00 a.m. 7. Adjournment — at 10:18 a.m. April 20, 2023 Special Board Meeting Agenda Packet - Page 722 of 724