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Home My WebLink About05.b. Receive update on major construction projects within the Fiscal Year 2021-22 Capital Improvement Budget Page 1 of 10 Item 5.b. CENTRAL SAN October 12, 2021 TO: ENGINEERING AND OPERATIONS COMMITTEE FROM: EDGAR J. LOPEZ, CAPITAL PROJECTS DIVISION MANAGER REVIEWED BY: JEAN-MARC PETIT, DIRECTOR OF ENGINEERING AND TECHNICAL SERVICES ROGER S. BAILEY, GENERAL MANAGER SUBJECT: RECEIVE UPDATE ON MAJOR CONSTRUCTION PROJECTS WITHIN THE FISCAL YEAR 2021-22 CAPITAL IMPROVEMENT BUDGET Attached is a presentation on Fiscal Year 2021-22 Capital Improvement Budget projects update. Strategic Plan Tie-In GOAL ONE: Customer and Community Strategy 1—Deliver high-quality customer service GOAL TWO: Environmental Stewardship Strategy 1—Achieve 100% compliance in all regulations GOAL THREE: Fiscal Responsibility Strategy 1—Maintain financial stability and sustainability GOAL FOUR: Workforce Development Strategy 4—Meet or exceed industry safety standards GOAL FIVE:Infrastructure Reliability Strategy 1—Manage assets optimally to prolong their useful life GOAL SIX: Innovation and Optimization Strategy 2—Improve and modernize operations through technology and efficiency measures GOAL SEVEN:Agility andAdaptability Strategy 1—Maintain a safe working environment for employees and the public during the COVID-19 pandemic ATTACHMENTS: 1. Presentation October 12, 2021 EOPS Regular Committee Meeting Agenda Packet- Page 7 of 27 Page 2 of 10 Major Construction Project Updates NOS Engineering & Operations Committee Meeting October 12, 2021 Edgar J. Lopez, P.E. Capital Projects Division Manager � y FILTER PLANT AND CLEARWELL IMPROVEMENTS — PHASE 1A iio ' . • Replace Backwash Motors -,�✓,,,, ,. ��• •�_ (480V) � • Recvc led Water Storage: L Replace East Clearwell_ (CW)with two new above-ground storage7! 1;. tanks(steel or pre- stressed concrete) h� Wcst 9�' CW • Clearwell Overflow a } Structure Modifications / Y _ _ 1r • Rehabilitate one Filter 't>� c �L ••! LJL; (#3)and Mechanical/ x Instrumentations on others 6.tation pgrade Chemical Feed ' " '✓ Upgrade/Replace Electrical Gear New Recycled Pump Station plied Water PumpElectrical Facility (AWPS) Substation 40-2400V • Variable Frequency Drives (VFDs)for AWPS I!2 CENTRALSAN 1 October 12, 2021 EOPS Regular Committee Meeting Agenda Packet- Page 8 of 27 Page 3 of 10 FILTER PLANT AND CLEARWELL IMPROVEMENTS — PHASE 1A Contractor: C. Overaa & Company Contract Price: $26,584,000 Paid to Date: $8,145,839 (August 2021) Duration: October 13, 2020 - October 14, 2022 Work Completed: Work In Progress: • Basin C levee raise • Substation 40 • East Clearwell demo construction • Grading and • Steel recycled water underground piping tanks • Electrical and shutdown coordination E 3 Nib— CENTRAL SAN FILTER PLANT AND CLEARWELL IMPROVEMENTS — PHASE 1A k'= Recycled Water Tank Progress Basin C Levee _ I'a CIENTRALSAN 2 October 12, 2021 EOPS Regular Committee Meeting Agenda Packet- Page 9 of 27 Page 4 of 10 PUMP STATION UPGRADES — PHASE 1 , DISTRICT PROJECT 8436 Contractor: Mountain Cascade, Inc. Contract Price: $25,634,551 Paid to Date: $16,940,432 (September 2021) Duration: May 6, 2019 - December 31, 2021 Project Purpose: Address infrastructure needs, mechanical and electrical systems, and improve reliability for PG&E outages and resiliency at the Moraga, Orinda Crossroads, and Flush Kleen Pumping Stations (PS) CENTRALSAN � 5 MAJOR ITEMS COMPLETED AND PROGRESS AT ORINDA CROSSROADS AND MORAGA PS 1 i � II Installed New Dry Weather Removed Wet Weather Installed Rebuilt Wet Weather Pumps and Piping Pump Diesel Engines Pumps and New Piping ` 6 CENTRALSAN 3 October 12, 2021 EOPS Regular Committee Meeting Agenda Packet- Page 10 of 27 Page 5 of 10 MAJOR ITEMS COMPLETED AND PROGRESS AT ORINDA CROSSROADS AND MORAGA PS I ti Installed New Surge Tank Installed New Grinder Installed New Surge Tank Structure and Structure 7 CENTRALSAN MAJOR ITEMS COMPLETED AND PROGRESS AT ORINDA CROSSROADS AND MORAGA PS Ij......:.; _..... U Installing New Main Generators Delivered New VFDs and Motor Control Panel Control Centers(MCCs) CENTRALSAN ' s 4 October 12, 2021 EOPS Regular Committee Meeting Agenda Packet- Page 11 of 27 Page 6 of 10 COLLECTION SYSTEM - SEWER RENOVATION PROJECTS Sewer Renovation Projects: • Walnut Creek, Phase 14— 9,840 feet of sewers (100% complete) • Martinez, Phase 6— 10,685 feet of sewers (100% complete) • Lafayette, Phase 14 — 12,745 feet of sewers (100% complete) • South Orinda, Phase 8 — 5,100 feet of sewers (95% complete) • Walnut Creek, Phase 15— 9,500 feet of sewers (20% complete) • North Orinda, Phase 8 —9,900 feet of sewers (Notice to Proceed October 4, 2021) 9 CENTRALSAN SOUTH ORINDA, PHASE 8 CENTRALSAN s T - 5 October 12, 2021 EOPS Regular Committee Meeting Agenda Packet- Page 12 of 27 Page 7 of 10 PACHECO BOULEVARD SEWER REPLACEMENT x CENTRAL SAN INFLUENT PUMP ELECTRICAL IMPROVEMENTS Contractor:Auburn Constructors, LLC Contract Price: $6,497,300 Paid to Date: $2,876,472 (August 2021) Duration: October 5, 2020 - October 28, 2022 Project Purpose: Address end of life electrical components and improve reliability at Headworks Work Completed: • Replaced three MCCs • Replaced three programmable logic controller drop panels • Replaced VFDs No. 1 and No. 2 • Refurbished Influent Pump Motors No. 1 and No. 2 • Installed new walkways, gates, and ventilation/odor control for Wet Well No. 1 I112 CIENTRALSAN 6 October 12, 2021 EOPS Regular Committee Meeting Agenda Packet- Page 13 of 27 Page 8 of 10 INFLUENT PUMP ELECTRICAL IMPROVEMENTS MAJOR ITEMS COMPLETED OR IN PROGRESS h - ■ New VFD No.1 Installed Inside New VFD No.1 during Installation 13 CENTRAILSAN INFLUENT PUMP ELECTRICAL IMPROVEMENTS MAJOR ITEMS COMPLETED OR IN PROGRESS Installation of Refurbished Influent Pump Motor No.2 Mounting Motor Term Box on Pump No.2 ' 1a CENTRALSAN 7 October 12, 2021 EOPS Regular Committee Meeting Agenda Packet- Page 14 of 27 Page 9 of 10 INFLUENT PUMP ELECTRICAL IMPROVEMENTS MAJOR ITEMS COMPLETED OR IN PROGRESS Aim vx � Wet Well No.1:Scaffolding Work Platform,Walkway Beams,Ventilation X-Rays for Rebar to Install Anchors and Conduits ' 15 CENTRALSAN INFLUENT PUMP ELECTRICAL IMPROVEMENTS MAJOR ITEMS COMPLETED OR IN PROGRESS Wet Well No.1 Filled For Testing i Wet Well No. 1:New Walkways and Gates CENTRALSAN 8 October 12, 2021 EOPS Regular Committee Meeting Agenda Packet- Page 15 of 27 Page 10 of 10 ELECTRIC BLOWER IMPROVEMENTS AND TREATMENT PLANT PIPING RENOVATIONS, PHASE 10 Contractor: Auburn Constructors, LLC Contract Price: $9,594,300 Duration: September 13, 2021 - November 1, 2022 Project Purpose: Provide full capacity and improved reliability to the aeration air system at the treatment plant; to address other piping and electrical needs Work Completed: • Executed Contract • Submittal Review ., • Mobilizing Soon 1 �7 CENTRAL SAN 9 October 12, 2021 EOPS Regular Committee Meeting Agenda Packet- Page 16 of 27