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HomeMy WebLinkAboutItem 09, 10, 11 PP Project Nos. J-117 and P2-107 Iwo 46 Am/of iA Ocean Outfall System Rehabilitation and SCADA System and Network Upgrades, Proeect Nos . J - 117 and P2- 107 , Items 9 10 and 11 Ir 1 1 iAA DormanMike Engineering Manager 2018 ... Agenda Items 9 , 10 and 11 • Item 9 : Increase contingency for SCADA System and Network Upgrades, Project No. P2-107 • Item 10: Combine Ocean Outfall System Rehabilitation, Project No. J-117, and SCADA System and Network Upgrades, Project No. P2-107 • Item 11 : Sole source electrical power system protective relays and load-shedding systems at Plant Nos. 1 and 2 P2 = 107 Project E NMI ® v e Medium-Voltage Switchgear d i g Monitorin and control • ., • ® ® 1 1 all breakers • � t°°G° � off M, � - Automatic transfer d b schemes Replace Obsolete Power monitoring Electromechanical Replace protective relays Protective Relays Medium-Voltage Switchgear Low-Voltage Switchgear • Monitoring and control main and tie breakers • — ® "' `"'— Automatic transfer schemes : . • m, -•.. W Power monitoring Low-Voltage Switchgear P2 = 107 Project E - Project Elements (Cont.) �� -- 0 Monitor Status and Alarms e0 Battery chargers Fuel systems w • Generators • Grounding systems • Transformers • Uninterruptible power 12kV-480V Transformer Uninterruptible Power Supply (UPS) supplies (UPS) • Load Shedding System ,r0 Network - fi N Battery Charger Standby Generator Load S WEATHERDR17W'EATHER WET TOTAL LOAD 7 MW 10-13 MW CEN GEN CAPACITY 4-6 MW g MW LOAD SHEDDING METHODS: CEN GEN OVERLOADED ON ' CONTINGENCY BASED (EVENT DRIVEN) POWER IMPORTED 1-3 MW 1-4 MW UTILITY POWER OUTAGE ' BACKUP FREQUENCY PARTIAL TRIPPING Standby Standby LOADS WITH OF DOWNSTREAM STANDBY POWER LOADS (TYPICAL) Generators ��� Generators Ocean Outfall (TYPICAL) Pump Station Headworks Effluent Pump Station Primary Annex Clarifiers PLANT PRIMARY POWER SOURCES City Water OOOOOO Activated Pump Station Sludge Utility Central Generators Standby (5) 3 MW, (1) 1 MW Generators Centrifuges Trickling Filters Gas Compressors NON-CRITICAL /Primary Effluent Digesters Standby LOAD Pump Station Generators cFlash Event JAI r I I Of �N'tSTEX ita Source: NFPA 70E Methods to Reduce Arc Flash Levels REDUCE ARC-FLASH ENERGY "Clear" the MIRT UAL NM Arc Flash �' • ARC-FLASH PROTECTION a condition "faster" �`� oe uw Total Clearing Q Time Q, 0 50 100 150 200 250 300 350 400 Relay Im+CB 35-60 an Time (ms) 50 lA bolted fault between 480 Vac and ground. V 4 r P �N t u ■ Adopting. Latest Substation Technolog, y LOAD SHEDDING CONTROLLER I MEDIUM-VOLTAGE SWITCHGEAR VIRTUAL MAIN ■ /L I I _. I ARC-FLASH PROTECTION I I ADOPTING THE LATEST I GOOSE SUBSTATMNAUTOMATION I MESSAGING I - TECHNOLOGY: IEC 61850 WITH GENERIC OBJECT ORIENTED I I 12KV-480VTRANSFORMER SUBSTATMON EVENT raa I I I I - - - - - - _ VIRTUAL MAIN REDUCES ARC FLASH �;+ s LOW-VOLTAGE SWITCHGEAR Ocean Outfall System Rehabilitation , Project No. J =117 • J-117A Interplant Effluent Pipeline Rehabilitation ($ 12. 6M ) • J-117B Outfall Low Flow Pump Station ($76M ) Ocean Outfall System Rehabilitation, Project No. J -117 2.2 PLANT WATER PS LOW FLOW PS us • • rZZ24 CICEA N FAIL OCEAN OUTFALL PIPELINE BOOSTER STATION eta (OOBS) REHAB l REPLACE .'>> -dk CEN GEN ELECTRICALS < y - '■.. .. jit % ��, ` �- � •' ' ;ice J � .� f REPLACE EXISTING y PLANT WATER - a PUMP STATION t RECLAIMABLE FLOWS y NON-RECLAIMABLE FLOWS � �1 1 1 I � ern-rye ■ ( f Plant 2 - 12kV Electrical System 12KV SERVICE CENTER SWITCHGEAR WITH LOAD SHEDDING . — . Bus A — . . . . . . . . . . . . . . . . . .Bus B — J P2-107 CENTRAL GENERATION SWITCHGEAR r - • • - - - • - • - - • - - • - • - - - • - - - - Bus L fEF4LUENT Bus G1 — — Bus G1 Bus B TRIBUTIONCENTER C OOBS J-117B usA Bus BI PUMP STATION ANNEX . — . sA — . — — —Bus . _ I DC `BLJACTIVATED SLUDGE � . — . —Bus A Bush - - - - - - - - I DC `H' (HEADWORKS) Bus I Bus B P2-107 DC`J'.(TRICKLING FILTERS r - - - - - - • - - - - - - s B � . — . _ BusA B_ — . . . . . . . . . . . . . . . . . . . . . . . . . . . I DC `K' (CENTRIFUGE) BusA Bus 6 Other Benefits of Combining Projects: Similar work, IT room in OOBS, concurrent schedule, and reduced soft costs. J =11713 and P2 =107 Plant 2 Site Plan T T - OTT , iL . . r7, 74* e 1 �.i e '•� 1, �`+ -- ��,_a�',,. ,;ham. � -�� .`� �. ■ • : • •,h�% -v SCADA System and Network Upgrades P2=1 07 Contingency Increase — Item 9 • Design amicroprocessor-based load-shedding system • Develop new guidelines for the monitoring and control signals associated power monitoring/control • Revise programmable logic controller standard drawings • Add fire protection to the Centrifuge Building server room Recommendations - Item 9 • Approve a contingency increase of $211,365 (7.5%) to the Professional Design Services Agreement with Brown and Caldwell for SCADA System and Network Upgrades, Project No. P2-107, for a total contingency amount of 1 Recommendations - Item 10 • Approve a budget increase of $19,000,000 for Ocean Outfall System Rehabilitation, Project No. J-117, for a total budget amount of $ 166,000,000; and • Approve a budget reduction of $19, 100,000 for SCADA System and Network Upgrades, Project No. P2-107 for a total budget amount of $5,000,000. Load Shedding Sole Source • Request for Information Sent to 5 Vendors • Asea Brown Boveri (ABB) • General Electric (GE) • Schneider Electric • Schweitzer Engineering Laboratories (SEL) • Siemens • 4 out of 5 responded Load-Shedding Criteria ABB Siemens Complies with Substation Automation Standard (IEC 61850, Edition 1 or 2) Microprocessor-based controller Industry standard programming Load Shedding Sole Source (Cont. ) V/ V/ V/ language (IEC 61131 ) V/ V/ m y-drIII 111iijjp III 111 iven load shedding llllii Load shedding works with other mfrs Redundant Communication Load Shedding Sole Source Cont . 11ME Projects1 7 Offices in the US 1 (Texas) 14 (1 in Irvine) Technical Staff in US 2 100 Load - • • 98 msec 12.24 — 30.46 msec Recommend sole sourcing SEL • Uses industry standard programming languages • Microprocessor-based controller • Fast load-shedding timing coordinates with backup frequency load shedding • Installations in the United States • Local customer support for current and future OCSD projects Also, reduced staff training and less spare parts Recommendations - Item 11 • Authorize staff to specify Schweitzer Engineering Laboratories as the sole source provider for current and future projects equipment, materials, and services for electrical power system protective relays and load-shedding systems at Plant Nos. 1 and 2; and • Authorize staff to negotiate service agreements for services related to protective relays and load-shedding systems for current and future projects, and for on-going operations and maintenance at Plant Nos. 1 and 2; and • Ratify the addition of Schweitzer Engineering Laboratories to the list of pre-approved Original Equipment Manufacturers for procurements under $100,000 for equipment, materials, and services for electrical power system protective relays and load-shedding systems.