STATEMENT OF

WORK

FOR

B205 Replace Boiler Vent Piping

606 S. Aspen St.

Buckley SFB, Colorado

80011

CAO: 1 Apr 2026

1.0 Scope of Work

1.1 Primary Objective

The Contractor shall provide all supplies, materials, tools, equipment, and qualified labor necessary for replacing all boiler venting (exhaust & inlet) at Bldg. 205. The existing boiler venting is deteriorating due to ongoing condensate leaks creating a risk of failure that could release hazardous flue gases into the facility. Replacing boiler venting will ensure proper system operation and the continued safety of the facility and its occupants.

1.2 Vent Piping Replacement

The contractor is responsible for providing all material and qualified labor necessary to replace both the exhaust and air intake vent piping for all four boilers in building 205:

• (2) Lochinvar domestic hot water boilers Model #: FBN1001

• (2) Lochinvar heating boilers Model #: AWN 1000

• Prior to beginning any work, the contractor shall thoroughly review all equipment manufacturer Installation and Operation manuals in their entirety. After reviewing all manuals, the contractor will replace all boiler venting in accordance with UFC 3-410-01: Heating, Ventilating, and Air Conditioning Systems; UFC 3-420-01: Plumbing Systems; National Fuel Gas Code, ANSI Z223.1; OSHA 1926.55; NFPA 101, Life Safety Code; International Mechanical Code (IMC); National Mechanical Code, Section 305, Table 305.4; National Building Code, Section 305, Table 305.4; all applicable state/local codes, and the manufacturer's specifications.

1.3 Inspecting / System Analysis

The contractor will provide a certified inspector to conduct inspections at various points throughout the project. The contractor’s inspector will work closely with 460th CES project managers and inspectors to communicate and identify any issues in a timely manner.

Upon completion of the vent piping replacement, the contractor shall:

• Perform inspections of the newly installed vent piping to ensure the following:

• All vent connections to the appliances are safely made using the proper fittings and materials in strict accordance with manufacturer’s specifications and section 1.6.

• All vent piping is properly secured and supported according to standards in section 1.6.

• All vent piping is airtight and properly sealed according to standards in section 1.6.

• All vent piping meets proper clearances according to standards in section 1.6

• All vent piping is properly pitched per manufacturer’s specifications & standards in section 1.6 to allow condensate drainage.

• All vent piping is properly exhausting combustion gases according to standards in section 1.6.

• Conduct multiple comprehensive leak checks on all newly installed piping, both while the units are static and again under full operational load.

• Perform draft analysis to ensure combustion gases are properly venting out of the facility.

• Perform a combustion analysis on all boilers to ensure safe and efficient operation.

• Coordinate with the 460th CES project manager for a final inspection by the Fire Department following project completion.

1.4 Recommissioning Systems

After testing and completing system analysis, the contractor will perform an operational check of all systems and ensure units are operating safely IAW standards in section 1.6.

Upon completion, the contractor will deliver a deficiency report detailing any compromised components or units requiring further attention. If any additional work or replacement of any system components is recommended, the contractor must provide a separate, detailed report with clear justification for the recommendation.

1.5 Contractor-Furnished Items

All vent piping material must be compliant with the options listed in the Lochinvar installation and operation manual for the specified boiler models.

The contractor is responsible for providing all necessary materials and equipment, including but not limited to:

• All vent Piping material (CPVC as listed in Operations Manual).

• Any starter sections or adapters needed to safely connect venting to the appliances in strict accordance with manufacturer’s specifications.

• All specialized tools required to re-commission units, perform draft analysis, conduct combustion analysis, and complete operational tests of all gas-fired equipment.

1.6 Governing Standards

All work shall be performed in strict accordance with the manufacturer's specifications and the latest editions of the following:

• UFC 3-410-01: Heating, Ventilating, and Air Conditioning Systems

• UFC 3-420-01: Plumbing Systems

• NFPA 101, Life Safety Code

• International Mechanical Code (IMC)

• National Fuel Gas Code, ANSI Z223.1

• OSHA 1926.55

• Applicable ASME Boiler and Pressure Vessel Codes

• National Mechanical Code, Section 305, Table 305.4

• National Building Code, Section 305, Table 305.4

• All applicable state and local laws/codes

UFC criteria can be accessed via the Whole Building Design Guide at https://www.wbdg.org/ffc/dod/unified-facilities-criteria-ufc

2.0 Project Logistics & Scheduling

• Period of Performance: 60 calendar days after date of award.

• Utilities will be required to remain functioning to the facility during this scope of work.

https://www.wbdg.org/ffc/dod/unified-facilities-criteria-ufc https://www.wbdg.org/ffc/dod/unified-facilities-criteria-ufc

• Site Access & Coordination:

• A pre-bid site visit can be scheduled.

• A designated staging area for materials and equipment will be provided.

• The contractor will have access to Government-provided utilities. A restroom is available on the first floor for contractor use.

3.0 Technical & Compliance Requirements

3.1 Definition of Qualified Labor

The contractor must ensure all technicians are certified and licensed to service, repair, and install the following Lochinvar commercial boilers in accordance with the standards listed in Section 1.6.

• (2) Lochinvar domestic hot water boilers Model #: FBN1001

• (2) Lochinvar heating boilers Model #: AWN 1000

3.2 Reporting & Deliverables

Upon project completion, the contractor shall submit a final report of work containing the following detailed information:

• Photographs of the completed work.

• Inspection times and dates.

• Results of all leak checks(for both static and operational states).

• A summary of all operational and safety checks performed.

• A complete draft analysis report for all equipment.

• A complete combustion analysis report for all equipment.

• A detailed summary of any unit deficiencies discovered during re-commissioning.

3.4 Disposal of Materials

The contractor shall remove and dispose of all removed parts and materials after the project is complete. Materials shall not be disposed of anywhere on Buckley SFB.

4.0 ATTACHMENTS:

Attachment 1: Manufacture’s data plates

- Attachment 2: Photos of pipping

Attachment 3: FD Life Safety Hazard MFR