Closeout Commissioning

Closeout & Commissioning Skill

Overview

This skill provides comprehensive tracking for project closeout activities and building systems commissioning, from substantial completion through final closeout and warranty management.

Closeout Tracking

Master Closeout Checklist

All items required for project closeout, organized by category:

1. Contract Closeout Documents

• Final Application for Payment (AIA G702/G703 or equivalent)
• Consent of Surety (if bonded)
• Final Lien Waivers (conditional and unconditional)
• Certificate of Substantial Completion
• Certificate of Final Completion

2. O&M Manuals

Organized by system with complete documentation:

• HVAC systems (RTUs, chillers, boilers, split systems, ductless mini-splits)
• Electrical systems (switchgear, panels, motors, lighting controls)
• Plumbing systems (water heaters, pumps, fixtures, backflow preventer)
• Fire Protection (sprinkler, suppression, fire alarm)
• Elevators and hoists
• Roofing and waterproofing
• Specialty systems (kitchen equipment, lab equipment, security, audio/visual)

Each O&M manual must include: equipment specifications, operation procedures, maintenance schedules, parts lists, wiring diagrams, control sequences, troubleshooting guides.

3. As-Built Drawings

• Marked-up field drawings showing actual conditions as installed
• All deviations from design documented
• System riser diagrams updated with actual routing
• Floor plans updated with final fixture locations
• Electrical one-line diagrams with actual panel schedules
• Plumbing and HVAC isometric routing
• Labeled with "FINAL AS-BUILT" stamp and signed by responsible parties

4. Warranty Documentation

• Manufacturer warranties by product/system (equipment warranties with dates and coverage limits)
• Workmanship warranty from contractor (typically 1 year from substantial completion)
• Extended warranties for roofing, waterproofing, windows, specialty systems
• Warranty registration documents
• Contact information for warranty claims by manufacturer and system

5. Training Documentation

• Owner training sessions conducted by system
• Video recording of training sessions (where required)
• Attendance sign-in sheets with owner staff present
• Training materials provided to owner
• Certificates of completion provided to trained personnel

6. Spare Parts and Attic Stock

• Air filters (HVAC)
• Ceiling tiles (match installed type)
• Paint touch-up kits (match all interior finishes)
• Light bulbs/tubes (all types used in building)
• Hardware (hinges, handles, locks, fasteners)
• Quantities per specification requirements
• Organized and stored in designated location with inventory list

7. Keys and Keying Schedule

• Master keys and restricted keys provided per schedule
• Complete key log documenting all keys issued
• Access cards/fobs programmed and issued
• Key storage security procedures documented
• Keying schedule map provided to owner

8. Certificates

• Certificate of Occupancy (from local building authority)
• Fire Marshal approval certificate
• Elevator inspection certificate (from state/local inspector)
• Health Department approval (for healthcare facilities)
• Any other authority having jurisdiction (AHJ) certifications

9. Testing and Balancing Reports

• TAB report for HVAC systems (supply, return, and exhaust flow rates)
• Fire pump test report (performance verification)
• Emergency generator load test report
• Fire suppression hydrostatic and flow test reports
• Electrical system tests (Megger, relay calibration, coordination)
• Plumbing pressure and flow tests

Closeout Status Tracking Data Model

{
  "closeout_status": {
    "phase": "pre_substantial | substantial_punch | final_closeout | complete",
    "substantial_completion_date": null,
    "final_completion_date": null,
    "items": [
      {
        "id": "CLO-001",
        "category": "contract | om_manual | asbuilt | warranty | training | spare_parts | keys | certificate | testing",
        "description": "HVAC O&M Manual — RTU-1 through RTU-4",
        "responsible_party": "ABC Mechanical",
        "status": "not_started | in_progress | submitted | approved | na",
        "due_date": "2026-04-15",
        "date_submitted": null,
        "date_approved": null,
        "notes": "",
        "spec_section": "23 05 00"
      }
    ],
    "retainage": {
      "total_held": 0,
      "released": 0,
      "remaining": 0,
      "conditions_for_release": []
    }
  }
}

Substantial Completion vs Final Completion

Substantial Completion:

• Work sufficiently complete for owner to occupy and use for intended purpose
• Triggers: warranty start date begins, liquidated damages cease accruing, owner takes possession, retainage released (W Principles holds flat 10% until SC, then full release)
• Owner may use space while contractor completes punch list items
• Owner responsible for property insurance and utilities
• Contractor maintains security and incomplete work protection

Punch List Period:

• Period between substantial and final completion (typically 30-60 days)
• Contractor completes all punch list items identified at substantial completion inspection
• May include re-testing and re-commissioning of affected systems
• Back-charges assessed for incomplete items or owner-caused damage

Final Completion:

• ALL work complete including punch list items
• ALL closeout documents submitted and approved by owner/PM
• ALL retainage released after final inspection
• Project formally closed in accounting systems
• Warranty period documented and starts (if not already from substantial)

Timeline:

• Typically 30-60 days from substantial to final completion
• Some extended systems (roofing warranty testing) may extend closure
• Final inspection required before certification

Commissioning Tracking

Systems Commissioning Workflow

Pre-Functional Testing (PFT):

• Verify equipment installed correctly according to manufacturer specifications
• Verify all controls wired per design documents
• Verify all utilities (power, water, gas, drainage) connected and operational
• Visual inspection complete before energizing or starting equipment
• Documentation: checklist signed off by contractor and commissioning agent

Functional Performance Testing (FPT):

• System operates through all operational modes (normal, startup, shutdown, economy, emergency, seasonal)
• System meets performance criteria specified in design documents
• Response to setpoint changes verified
• Alarm and alert functions tested
• Safety interlocks and shutdown sequences tested
• Documentation: test results recorded with data logging where applicable

Integrated Systems Testing:

• Systems work together as designed (fire alarm triggers HVAC shutdown, elevator recalls, pressurization sequences, etc.)
• Building automation system sequences tested through actual conditions or simulation
• Emergency procedures tested (generator auto-start, load transfer, fuel supply)
• Documentation: system interaction matrix with test results

Seasonal Testing:

• May require summer/winter testing for HVAC systems to verify control response in both seasons
• Chiller operation versus boiler operation transition
• Economizer function in summer and winter modes
• Humidity control verification across seasons

Commissioning Data Model

{
  "commissioning": {
    "commissioning_agent": "CxA name / firm",
    "systems": [
      {
        "id": "CX-001",
        "system": "HVAC — RTU-1",
        "phase": "pre_functional | functional_testing | integrated_testing | seasonal_testing | complete",
        "pre_functional_date": null,
        "pre_functional_result": "pass | fail | conditional",
        "fpt_date": null,
        "fpt_result": "pass | fail | conditional",
        "deficiencies": [],
        "retesting_required": false,
        "training_complete": false,
        "documentation_complete": false,
        "notes": ""
      }
    ]
  }
}

System Startup Sequences

HVAC (Rooftop Units, Chillers, Boilers, Split Systems)

1. Pre-start checklist: verify equipment installed, all connections made, filters installed, ductwork sealed, thermostat wired
2. Startup by manufacturer's representative (may be contractual requirement)
3. Testing & Balancing (TAB): measure supply, return, exhaust flows; adjust dampers/vanes to design airflow
4. Controls verification: setpoints, schedules, occupancy sensors, economizer function
5. Functional Performance Testing: normal mode, startup sequence, shutdown sequence, emergency modes
6. Owner training: operation, filter replacement, emergency shutdown

Fire Alarm System

1. Device verification: all initiating devices (detectors, pull stations, manual call points) installed and accessible
2. Programming: verify all device addresses, circuit programming, notification routes
3. Acceptance testing with Fire Marshal: system activation, alarm signals, emergency voice/alarm communications
4. Final certification: Fire Marshal approval certificate issued

Fire Suppression (Sprinkler System)

1. Hydrostatic test: system pressure tested per NFPA 13 requirements
2. Flow test: verify adequate water supply and pressure at all elevations
3. Trip test: activate zone valve and verify system response (may be performed during final inspection)
4. Fire Marshal review and acceptance: final approval certificate issued

Elevators

1. Installation complete: all equipment installed, mechanical work complete, electrical connections made
2. Inspection by State/Local Inspector: full inspection of safety devices, operation, load capacity
3. Load test: elevator loaded to 125% rated capacity and operated through full range
4. Final acceptance: State Inspector certificate issued; elevator ready for service

Emergency Generator

1. Fuel system test: verify fuel supply, filtration, automatic transfer from main to day tank
2. Load bank test: generator loaded to 75-100% rated capacity, engine temperature and voltage verified
3. Transfer switch test: verify automatic switchover to generator and back to utility power
4. Integrated test with fire alarm: verify fuel pump starts, loads generator, transfers building loads
5. Maintenance schedule and fuel sampling protocol established

Building Automation System (BAS)

1. Point-to-point verification: each input and output point verified to correct equipment
2. Sequence programming: verify control logic for each system and interaction between systems
3. Trending: historical data collection enabled for critical points
4. Functional Performance Testing: all control scenarios tested; response times verified; alarms tested

Plumbing

1. Pressure test: cold water system tested to 1.5 times max operating pressure; verify no leaks
2. Flow test: verify adequate flow and pressure at all fixtures for intended use
3. Water quality test: hot water temperature, pH, chlorine level verification; fixture flushing complete
4. Healthcare facilities: Legionella testing of hot water system

Electrical Switchgear and Distribution

1. Megger testing: insulation resistance testing of all cables and equipment
2. Relay calibration: verify protective relay settings and coordination
3. Coordination study verification: confirm protection device coordination matches design calculations
4. Energization sequence: controlled energization with monitoring for any issues
5. Load testing: progressively apply electrical loads; verify voltage drop and power quality

Project Intelligence Integration

On every /closeout invocation, automatically read the following project data to enrich closeout tracking:

Warranty Tracking from Extracted Data

Read quality-data.json → warranties[]

• Pull all extracted warranty records and build the Warranty Closeout Checklist automatically
• For each warranty, check registration.status — flag any with status pending where registration.deadline_date is within 30 days
• Cross-reference warranties[].installer against directory.json → subcontractors[] for contact info on missing warranty documents
• Cross-reference warranties[].spec_section against specs-quality.json → spec_sections[] to verify warranty duration meets specification requirements
• Track warranty start date triggers — if start_trigger = "substantial_completion", auto-populate start_date when project-config.json → substantial_completion_date is set

Commissioning Test Results

Read quality-data.json → system_tests[]

• Pull all system test results (TAB, fire protection, electrical, plumbing, envelope) to auto-populate commissioning checklist status
• For each system in the closeout checklist, check if corresponding test records exist with result = "pass"
• Flag systems with no test records or with result = "fail" / "conditional_pass" that still need re-test
• Cross-reference system_tests[].witnessed_by to verify third-party witness requirements are met

O&M Manual Completeness

Read quality-data.json → equipment_data[]

• For each equipment item, verify O&M manual has been extracted and structured data exists
• Check for required sections: operation procedures, PM schedules, parts lists, emergency procedures
• Cross-reference equipment tags against procurement-log.json to verify all procured equipment has corresponding O&M data
• Flag equipment with missing or incomplete O&M documentation

As-Built Drawing Status

Read plans-spatial.json → as_built_overlay

• Pull as-built completion status by discipline from as_built_overlay.as_built_status[]
• Calculate overall as-built completion percentage
• Flag disciplines below 100% completion — list specific sheets still needing markup
• Cross-reference deviations against change-order-log.json to verify all field changes are documented

Extended reference: Detailed examples, templates, scoring rubrics, and best practices are in references/skill-detail.md.