Performance_Work_Statement_(PWS) Emergency_Generator Repair.pdf

PERFORMANCE WORK STATEMENT

(PWS)

Project Identification: EMERGENCY REPAIR 2271 GENERATOR

Project Tracking Number: PDPG262082

Customer / Organization: 163d Attack Wing (163 ATKW), California Air National

Guard (CA ANG), 163 CES

Location: March Air Reserve Base (ARB), California (Building 2271)

Date: 20 August 2026

1.0 General Information

1.1 Overview and Purpose

The purpose of this performance-based service contract is to restore the operational integrity and emergency power generation capabilities of the primary backup electrical system at Facility 2271, March ARB, California. The contractor shall furnish all management, labor, tools, equipment, specialized rigging, materials, parts, transportation, and testing apparatus necessary to perform the emergency replacement and precision restoration of an inoperable alternator on the 500 kW emergency backup diesel generator serving the 163 ATKW mission critical infrastructure.

1.2 Mission Scope of Work

The contractor shall deliver a fully functional, reliable, and manufacturer-warranted emergency power generation system through the following primary task outcomes:

1. Mobilization, Permitting, and Site Containment

2. Safe Rigging, Disassembly, and Component Extraction

3. Alternator Replacement, Direct Coupling, and Laser Alignment

4. Comprehensive Commissioning, Full-Spectrum Electrical Testing, and

Resistive Load Banking

5. Site Restoration, Regulated Disposal, and Final As-Built/Warranty Closeout

1.3 Period of Performance (PoP)

The performance period shall be three (3) to five (5) consecutive calendar days commencing from the Government-authorized Notice to Proceed (NTP) / start date, excluding Government-directed stand-downs.

1.4 Place of Performance and Access

Work shall be executed on-site at Building 2271, March ARB, CA.

• Base Access: All contractor personnel and delivery drivers must obtain installation security credentials per local Security Forces Squadron (SFS) requirements. The contractor shall submit all base pass requests at least three

(3) working days prior to mobilization.

• Contractor Superintendent: A competent, English-fluent project superintendent with stop-work safety authority shall be physically present on-site at all times when work is performed.

• Anti-Terrorism Training: All personnel performing work under this contract must complete Level I Anti-Terrorism (AT) Awareness training within the initial mobilization timeline as specified by base security guidance.

1.5 Hours of Operation and Base Conditions

• Standard Operational Hours: Standard duty hours are Monday through Friday, 0700 to 1600 hours, excluding observed Federal holidays.

• Non-Standard / Shift Adjustments: Due to the emergency operational nature of Building 2271, the Contracting Officer's Representative (COR) or Contracting

Officer (CO) may approve or direct alternative work hours to prevent disruption to Air Force operational flight or command activities.

• Base Closures: If base access is suspended due to severe weather, security alerts, or military exercises, remaining performance days will automatically resume immediately upon reopening.

• Crisis Performance (DoDI 3020.37): This service is designated as non-essential during national mobilization or crises unless formally redesignated by the CO.

1.6 Environmental, Safety, and Occupational Health

(ESOH)

• OSHA Compliance: The contractor shall strictly adhere to OSHA 29 CFR 1910 and 1926 regulations, NFPA 70E electrical safety standards, and March ARB environmental policies.

• Incident Reporting: The contractor shall provide immediate verbal notification to the COR (within two hours) of any safety mishap, property damage, spill, or injury. A fully documented written Accident Investigation Report shall be delivered to the COR and CO within five (5) calendar days.

• Cleanliness & FOD Prevention: Construction debris shall be cleared continually. At the conclusion of each work shift, the entire job site and laydown zone shall be left in a clean, sweep-safe, Foreign Object Debris (FOD)-free condition.

1.7 Partnering

The Government and contractor shall operate under a collaborative partnering framework to identify risk early, expedite technical submittals, and ensure zero-delay re-commissioning of the emergency generator.

2.0 Definitions and Acronyms

• AQL (Acceptable Quality Level): The allowable variation from absolute standard before the Government determines performance unacceptable.

• Commissioning: The systemic testing process verifying that the alternator, prime mover, electronic control module (ECM), automatic transfer switch (ATS), and safety protective systems operate strictly within manufacturer tolerances.

• FOD (Foreign Object Debris): Any loose substance, debris, or hardware capable of injuring personnel or damaging equipment.

• Load Banking: Controlled artificial electrical load testing (using a stepped resistive/reactive load bank) to prove prime mover and alternator capacity, cooling efficiency, and voltage regulation across specific sustained intervals.

• Precision Coupling / Alignment: The dynamic and static angular and parallel alignment of the prime mover flywheel and alternator rotor shaft using calibrated optical or dial indicator instruments to minimize vibration.

• PRS (Performance Requirements Summary): The contractual matrix detailing required outcomes, performance standards, AQLs, and inspection remedies.

3.0 Government-Furnished Property and

Services

6. Utilities: Reasonable quantities of electrical service and water necessary for minor tools at Building 2271 will be made available at no cost to the contractor.

7. Staging & Laydown Area: The Government will allocate an exterior staging footprint adjacent to Building 2271, as designated by the COR, for equipment, rigging apparatus, and mobile load banks.

8. Base Emergency Response: Base emergency medical services (911) and base fire department emergency dispatch will provide first responder support during life-safety emergencies.

4.0 Contractor-Furnished Property, Plant, and

Equipment Except for the utilities explicitly stated in Section 3.0, the contractor shall provide all required replacement alternator components, heavy rigging cranes/forklifts, calibration instruments, load banks, auxiliary cables, PPE, spill kits, and transportation. All contractor heavy machinery must be certified, inspected, and free from fluid leaks prior to entering March ARB.

5.0 Specific Work Requirements and

Performance Objectives

5.1 Objective 1: Mobilization, Site Preparation, and

Safety Containment

• Requirement: The contractor shall mobilize certified personnel, equipment, safety barriers, and containment within the agreed schedule.

• Performance Standard: Mobilization and perimeter controls must be established with zero impact on adjacent March ARB flight line or installation operations. Staging must remain strictly within designated boundary markings.

• Deliverable/Outcome: Approved Job Hazard Analysis (JHA), staging barricades deployed, baseline pre-work inspection verified by COR.

5.2 Objective 2: Safe Rigging, Disassembly, and Regulated

Demolition

• Requirement: Safely de-energize (Lockout/Tagout - LOTO), disconnect, uncouple, and rig-out the failed alternator unit without causing secondary mechanical, structural, or electrical damage to the prime mover or enclosure.

• Performance Standard: Full zero-energy verification in accordance with NFPA

70E. Rigging plan executed without incident or structural shock to the diesel engine block. Failed core and scrap metal removed from March ARB and disposed of or recycled in strict compliance with federal, state (California DTSC), and base environmental criteria.

• Deliverable/Outcome: Documented LOTO sheet, intact prime mover mounting surfaces, certified off-base recycling/disposal receipts.

5.3 Objective 3: Precision Installation and Rotor Shaft

Alignment

• Requirement: Install the direct-replacement 500 kW alternator, secure factory-grade isolation mounts, and precision-couple the rotor shaft to the engine flywheel.

• Performance Standard: Alignment must meet or exceed original equipment manufacturer (OEM) specifications for axial, radial, and angular runout

(maximum allowable deviation ≤ ±0.002 to 0.003 inches, or OEM target). All mounting fasteners must be torqued in pattern using calibrated tools.

• Deliverable/Outcome: Final precision laser alignment calibration log signed by certified generator technician.

5.4 Objective 4: Commissioning, System Verification, and

Stepped Load Bank Testing

• Requirement: The contractor shall execute a full-scale operational commissioning and stepped load bank test of the 500 kW generator system in the presence of the COR and base electrical technicians.

• Performance Standard:

9. Pre-Checks: Verification of oil pressure, coolant temp, frequency regulation

(60 Hz ±0.5%), and voltage regulation (±1.0%).

10. Load Stepping: In accordance with NFPA 110 and UFC 3-540-01, the system shall run steadily under stepped increments: 25% (30 mins), 50% (30 mins), 75% (60 mins), and 100% rated capacity (minimum 2 hours continuous without thermal excursion or voltage trip).

11. Safety Interlocks: Emergency Stop, over-speed trip, high water temperature, low oil pressure, and ATS auto-start interface signals must perform with 100% reliability.

• Deliverable/Outcome: Comprehensive Certified Load Bank and Diagnostic Test

Report delivered to COR within 48 hours of test completion.

5.5 Objective 5: Site Remediation and Demobilization

• Requirement: The contractor shall conduct thorough post-work cleanup and restore all disturbed surfaces to prior or improved condition.

• Performance Standard: Zero hazardous leaks or spills. Broom-clean standard verified by COR across interior enclosure and exterior staging yard.

• Deliverable/Outcome: Joint final walk-through inspection with COR.

5.6 Objective 6: Comprehensive Warranty and Technical

Documentation

• Requirement: Provide a complete warranty on parts and workmanship, operating manuals, and as-built connection schematics.

• Performance Standard: Minimum of one (1) full year warranty from the date of final Government acceptance. Submittals must be accurate, legible, and delivered within the stated suspense dates.

• Deliverable/Outcome: 1-Year Comprehensive Warranty Certificate and

Closeout Submittal Packet.

6.0 Applicable Directives and Technical

Publications The contractor shall comply with the most stringent requirements of the following standards:

12. UFC 3-540-01: Engine-Driven Generator Systems for Prime and Standby Power

13. NFPA 110: Standard for Emergency and Standby Power Systems

14. NFPA 70: National Electrical Code (NEC)

15. NFPA 70E: Standard for Electrical Safety in the Workplace

16. AFI 32-1064: Electrical Safe Working Practices

17. DoDI 3020.37: Continuation of Essential DoD Contractor Services During Crises

18. OSHA 29 CFR 1910 / 1926: Occupational Safety and Health Standards

7.0 Deliverables Schedule

Item PWS Ref Deliverable Description

Due Date Format / Recipient

0001 1.4 & 1.6 Base Access List, Site Safety Plan & JHA

3 Days prior to on-site mobilization

Electronic (.pdf) to COR

& CO

0002 2.4 / 5.1 Project Execution Schedule & Daily Logs

Prior to start / Daily close of shift

AF Form 3064 / Daily Log to

COR

0003 5.3 Precision Laser Alignment Report

Prior to dynamic testing

Hardcopy & Electronic to

COR

0004 5.4 Certified Load Bank & Commissioning Test Report

Within 48 hours of load test completion

Electronic (.pdf) to COR

& CO

0005 1.6 / 5.2 Disposal & Recycling Certificates / Waste Manifests

At project closeout

Electronic (.pdf) to Base Environmental

/ COR

0006 5.6 1-Year Minimum System Warranty Certificate & O&M Manuals

Prior to final payment invoice acceptance

Hardcopy (2 sets) & Electronic (.pdf) to CO &

COR

≤ ± 0 . 002 to 0 . 003 inches

± 0 . 5 %

± 1 . 0 %