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Home My WebLink About04.a. Receive update on construction projects within the FY 2020-21 Capital Improvement Budget Page 1 of 10 Item 4.a. CENTRAL SAN October 13, 2020 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 CONSTRUCTION PROJECTS WITHIN THE FISCAL YEAR 2020-21 CAPITAL IMPROVEMENT BUDGET Attached is a presentation on Fiscal Year 2020-21 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 13, 2020 EOPS Regular Committee Meeting Agenda Packet- Page 3 of 14 Page 2 of 10 d Mayor Construction Project Updates Engineering & Operations Committee Meeting October 13, 2020 Edgar J. Lopez, P.E. Capital Projects Division Manager OUTFALL IMPROVEMENTS — PHASE 7 x x,ys Contractor: Power Engineering Construction Company Schedule: July 2020 — January 2021_ z CENTRALSAN 1 October 13, 2020 EOPS Regular Committee Meeting Agenda Packet- Page 4 of 14 Page 3 of 10 OUTFALL IMPROVEMENTS - PHASE 7 ' ° . T T WNW - proted 713020,9.04 AM Contract: $4.45 million SO Change Orders: $15 thousand Paid to Date: $2.28 million (September 30) Percent Complete: 51% ` 3 CENTRALSAN OUTFALL - IMPROVEMENTS - PHASE 7 Work Completed • Bypass and Dewatering - y • Testing and Inspection • Access Manholes • Condition Assessment • r' • Repair of Existing Seals Work To Follow: • Complete Cathodic s Protection -- • Install New Seals (250 Quantity) • Complete Seismic f Improvements— Structure 9000 , • Replace Large Valve 4 CENTRALSAN 2 October 13, 2020 EOPS Regular Committee Meeting Agenda Packet- Page 5 of 14 Page 4 of 10 PHASE 1 A SCOPE FOR RECYCLED WATER PLANT FACILITIES IMPROVEMENTS • Replace Backwash Motors ^, (480V) • Recycleplaced Water Storage: o ReEast Clearwell with two new above ground storage tanks (steel or pre-stressed concrete) • Clearwell Overflow Structure Modifications • Rehabilitate one Filter (#3)and Mechanical/ Instrumentations on others - - • Upgrade Chemical Feed 1. Upgrade/Replace Electrical Gear • New Recycled Pump Station y Applied Water Pump j h Electrical Facility Station(AWPS) Substation 40-2400V Variable Frequency Drives (VFDs)for AWPS F 5 PHASE 1 A SCOPE FOR RECYCLED WATER PLANT FACILITIES IMPROVEMENTS Contractor: C. Overaa & Company Contract Price: $26,584,000 Notice to Proceed: Expected by Mid-October Completion Date: November 30, 2022 Work Completed: • Executed Contract • Submittal Reviews Ongoing • Permits Obtained • Mobilizing Soon 6 CENTRALSAN 3 October 13, 2020 EOPS Regular Committee Meeting Agenda Packet- Page 6 of 14 Page 5 of 10 PUMP STATION (PS) UPGRADES - PHASE 1 , DISTRICT PROJECT 8436 Scope of Work: Major mechanical, electrical and controls upgrades to Moraga, Orinda Crossroads, and Flush Kleen Pump Stations Contractor: Mountain Cascade, Inc. Contract Price: $25,634,551 (no change orders to date) Completion Date: December 31, 2021 (28% time elapsed) Paid to Date: $2,289,177 (September 30) � 7 CENTRALSAN PUMP STATION UPGRADES - MAJOR ITEMS COMPLETED OR PROGRESS Moraga PS Wet Well Moraga PS Header Closed-circuit New Generator at Flush Kleen PS Bypass Piping Television Inspection \ 8 CENTRALSAN 4 October 13, 2020 EOPS Regular Committee Meeting Agenda Packet- Page 7 of 14 Page 6 of 10 PUMP STATION UPGRADES - MAJOR ITEMS COMPLETED OR PROGRESS ( Moraga PS Wet Forms/Rebar for Grinder Structure Pouring Grinder Structure Slab Weather Pump Inspection 9 CENTRALSAN PUMP STATION UPGRADES - MAJOR ITEMS COMPLETED OR PROGRESS Grinder Structure Bypass Pumps Surge Tank Enclosure (Exterior) Surge Tank Enclosure (Interior) '\io CENTRALSAN 5 October 13, 2020 EOPS Regular Committee Meeting Agenda Packet- Page 8 of 14 Page 7 of 10 OTHER PUMP STATION WORK COMPLETED -j � il Three New VFDs for Wet Weather Rebuilt 100-horsepower(HP) New VFD for 100-HP Pump Pumps at Lower Orinda PS Pump at San Ramon PS at San Ramon PS CENTRAL SAN PUMP STATION UPGRADES - MAJOR ITEMS SCHEDULED • Work scheduled to be completed prior to October 31, 2020 • All mechanical and electrical equipment at Flush Kleen PS • Moraga PS grinder structure completed and coated • Wet wells coated at Moraga and Orinda Crossroads Pump Stations • Work scheduled to be completed prior to October 31, 2021 at Moraga and Orinda Crossroads Pump Stations • Installing new dry weather pumps • Replacing diesel engines with new electric motors for wet weather pumps • Installing new and much larger generators • Replacing/installing all electrical/controls equipment(Switchgear, motor control centers(MCCs),VFDs, etc.) • Installing new surge tanks • Expanding the wet well at Orinda Crossroads PS iz CENTRAL SAN 6 October 13, 2020 EOPS Regular Committee Meeting Agenda Packet- Page 9 of 14 Page 8 of 10 COLLECTION SYSTEM - SEWER RENOVATION PROJECTS Sewer Renovation Projects: • Danville, Phase 3— 6,100 feet of sewer mains and 47 laterals (80% complete) • Walnut Creek, Phase 14 —9,810 feet of sewers (26% complete) • Martinez, Phase 6— 9,000 feet of sewers (43% complete) • Lafayette, Phase 14 — 12,131 feet of sewers (20% complete) Total Contracts: $12.4 million ($4.3 million paid as of September 30) C-1 13 CENTRAL SAN DANVILLE, PHASE 3 Pipe Pull Back for HDD'd Lateral Pit-Launched HDD Drill Rig w ; 5 ^' -, -� Sewer Main Open Cut Open-cut I ateral Re-route 14 Horizontal Directional Drilling(HDD) CENTRAL SAN 7 October 13, 2020 EOPS Regular Committee Meeting Agenda Packet- Page 10 of 14 Page 9 of 10 MARTINEZ, PHASE 6 1' 15 CENTRAL SAN WALNUT CREEK, PHASE 14 04�1ti -T -vwxMMa -rte CENTRAL SAN 8 October 13, 2020 EOPS Regular Committee Meeting Agenda Packet- Page 11 of 14 Page 10 of 10 LAFAYETTE, PHASE 14 • 5 AM1 p:55 aUW 2 20 loci 17 SEWER RENOVATION - MAJOR ITEMS COMPLETED OR PROGRESS New Pipe Crossing Creek(Via Ferrari) Pier/Junction Support(Via Ferrari) Nor- CENTRAL SAN 9 October 13, 2020 EOPS Regular Committee Meeting Agenda Packet- Page 12 of 14