4. PWS Appendix A CHP Operational Assignments and PM Duties.pdf

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FA520926Q00140002 - Operation and Maintenance of Combined Heat and Power (CHP) Plant at Yokota AB, Japan
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FA520926Q0014
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About this file

This document is an operational assignments and preventive maintenance (PM) duties table for a Combined Heat and Power (CHP) facility. It defines which organizational entity is responsible for the operation and maintenance of specific systems and components within the plant.

The CHP system encompasses four major categories: Gensets, Heat Recovery Steam Generator (HRSG) equipment, Balance of Plant (BOP) systems, SCADA/HMI/Microgrid components, HVAC, and Site Safety. Operational responsibilities are distributed across multiple government shops (Boiler Shop, Steam Shop, Electrical Shop, Power Pro, HVAC Shop, Plumbing Shop, and Structure Shop) and a Contractor. The Contractor holds primary responsibility for Gensets and SCR cabinets, CEMS monitoring, instrumentation PM and diagnostics, R1/R2 TEPCO switching operations, and general site safety coordination. The Boiler Shop manages HRSG equipment, natural gas systems, and most BOP components including tanks, pumps, and chemical systems. The Steam Shop oversees steam line infrastructure and condensate systems. The Electrical Shop handles electrical SCADA, HMI systems, switchgear, substation upgrades, site lighting, and grounding systems. Power Pro manages ammonia delivery systems and lube oil equipment. The HVAC Shop maintains packaged AC units and VFD systems. Site safety responsibilities are shared across All Hands personnel for general upkeep, hazard management, and emergency procedures, with specific assignments to Plumbing Shop for safety showers and water systems and Electrical Shop for fire alarm systems. The document includes footnotes clarifying that government and contractor personnel maintain separate emergency response procedures, and that all operators are responsible for maintaining a clean and safe working environment.

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Category System Operator Contractor All Hands Boiler Shop Steam Shop Elec Shop Power Pro HVAC Shop Plumbing

Shop Structure

Shop Gensets Gensets, SCR Cabinets, Silencers (Para 1, 1.1., 1.2., 1.3., 1.4.) Contractor X

HRSG Combustion Air Fan & Augmenting Air Fan Boiler Shop X HRSG Gas Burner & Controls Boiler Shop X HRSG HRSG Boiler Boiler Shop X

Balance of Plant (BOP) Natural Gas Compressors Boiler Shop X Balance of Plant (BOP) CEMS - Continuous Emissions Monitoring System (Para 1, 1.1., 1.2., 1.3., 1.4.) Contractor X Balance of Plant (BOP) Boiler Chemical and Water Chemistry/Sampling Boiler Shop X Balance of Plant (BOP) Below Grade Blowdown Tank/Sump Boiler Shop X Balance of Plant (BOP) Heat Trace & HT Control Panel Boiler Shop X Balance of Plant (BOP) Natural Gas Conditioning skid Boiler Shop X Balance of Plant (BOP) Instrument Air Skid & Compressors Boiler Shop X Balance of Plant (BOP) Effluent pH Correction Skid Boiler Shop X Balance of Plant (BOP) Condensate, Deaerator, Blowdown Tanks & Pumps Boiler Shop X Balance of Plant (BOP) Bypass Stacks, Dampers, Seal Air Fans & Dampers, Exhaust Bridging, Exhaust Stacks Boiler Shop X Balance of Plant (BOP) North Plant Condensate Tie-in (valves, NP transfer pumps, normal operations, tie in vault) Steam Shop X Balance of Plant (BOP) New Steam Lines & Vaults Steam Shop X Balance of Plant (BOP) Ammonia Tank, Ammonia Loading Skid, Ammonia delivery systems Power Pro X Balance of Plant (BOP) Lube Oil tanks and pumps Power Pro X Balance of Plant (BOP) Reactor Elec Shop X Balance of Plant (BOP) Distributed Dry pack transformers Elec Shop X Balance of Plant (BOP) Site Lighting and Controls Elec Shop X Balance of Plant (BOP) CHP Site Electrical grounding/bonding system Elec Shop X Balance of Plant (BOP) Ammonia Pumping / Delivery Skid Power Pro X Balance of Plant (BOP) Instrumentation PM, Diagnostics & Troubleshooting (Para 1, 1.1., 1.2., 1.3., 1.4.) Contractor X SCADA/HMI/Microgrid PECM Switchgear Elec Shop X SCADA/HMI/Microgrid Electrical SCADA & HMI Elec Shop X SCADA/HMI/Microgrid West Substation Upgrades Elec Shop X SCADA/HMI/Microgrid 3.3kV Gear (new operational features) Elec Shop X SCADA/HMI/Microgrid Process SCADA & HMI Boiler Shop X X SCADA/HMI/Microgrid Process SCADA & HMI Power Pro

HVAC Packaged AC Units on PECM HVAC X HVAC VFD Maintenance (in PECM) HVAC X

Site Safety Fire Alarm Systems (in PECM) Elec Shop X Site Safety * General Site Upkeep: Concrete powerwashing, weeding, leaf bagging All Hands * X Site Safety ** Emergency Response Procedures, Spill Response Plan, and PPE for Govt Plant Operators All Hands ** X Site Safety *** General Site Hazards, Hazard Signage & Labeling All Hands *** X Site Safety Safety Shower & Potable Water Systems (hose bibbs, backflow prev.) Plumbing Shop X X Operations R1/R2 TEPCO Switching (Whole Plant Shutdown & Restart) (Para 1, 1.1., 1.2., 1.3., 1.4.) Contractor, Boiler, X X X

Balance of Plant (BOP) Infrastructure Paint Touchup & Insulation/Cladding Inspections Structure X X Footnotes

* Govt/CES will perform listed site upkeep activities on an as-needed basis (Contractor will help flag needs as part of operational oversight). Contractor will perform site clean up in association with Contractor-assigned operations & maintenance.

** Govt and Contractor are each (separately) responsible to draft, maintain, train/drill, and execute emergency response procedures with their respective personnel & subcontractors.

*** ALL operators are expected to maintain a clean, clear, and safe working environment for this industrial operation. Operators will clean and clear the site of any spills, refuse, or debris generated as part of assigned activities.

Note: Operational Assignments between Govt parties (Shops) are subject to re-assignment and changes, for clarification or additional tasks

Ops & Maintenance Assignments

Appendix A – CHP Operational Assignments and PM Duties

#Internal

Shop Assignments

File details come from the government source that posted it. Updated .