A2 SOW_LTUY202129 Repair B290 Boiler_20251209.pdf

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LTUY202129

STATEMENT OF WORK

Project LTUY202129 Repair B290 Boiler 9 December 2025

PROJECT OVERVIEW

Contractor will furnish and install labor, tools, materials, equipment, and supplies necessary to replace the boiler in building 290 at Jefferson Barracks Air National Guard Station (ANGS), St Louis, MO. The Contractor shall become familiar with all details of the work, verify all dimensions in the field and specifications stated herein and shall advise the Contracting Officer of any discrepancy before performing the work.

GENERAL REQUIREMENTS

1. All work to be accomplished during regularly established Air National Guard duty hours, Mon-Fri, 7:00 AM to 4:00 PM, unless arrangements are made with the building occupant in advance in order to expedite completion of the work. Work will not be performed on federally recognized holidays.

2. All work shall be coordinated with the Civil Engineering Office’s Project Manager, John Matthews,

(314) 527-8226 or Deputy Base Civil Engineer, Mark Lloyd (314) 527-8360.

3. The Contractor shall become familiar with all details of the work. Any measurements or descriptions in the Scope of Work (SOW) or drawings are estimates for reference only. Contractor is responsible for verifying all measurements.

4. A site visit will be scheduled by the Contracting Officer to ensure the specifics of this project have been witnessed firsthand by all interested contractors. Subsequent visits may be set up through the Civil Engineering (CE) Office.

5. Contractor must comply with all OPSEC (Operational Security) and AT (Anti-Terrorism) Requirements as stipulated by the project solicitation and during construction conferences.

6. Prior to final acceptance, the Contractor will provide information as required by Civil Engineering to complete the DD Form 1354, Transfer and Acceptance of Real Property, to capture quantity and cost of new equipment or capital improvements. A draft DD1354 will be provided by the project manager.

7. Submittals. The materials and equipment identified on the AF form 66, Schedule of Material Submittals, shall be submitted for approval to the Contracting Officer, utilizing AF form 3000 form supplied by Civil Engineering. Allow minimum of 5 business days for government review and approval for submittals and re-submittals and so that installation will not be delayed as a result of the time required to process submittals and re-submittals.

8. Warranties. In addition to manufacturer’s warranties on equipment and supplies used in this project, all work shall be covered by a minimum one-year warranty on materials and workmanship.

9. Hot work permits will be applied for through Civil Engineering Office prior to any hot work such as welding or use of open flame devices. Allow 5 business days for processing permits.

10. Contractor shall deliver or create a complete and useable product to the government.

LOCATION OF WORK

The project location is at Jefferson Barracks ANGS, St. Louis, MO as shown on Figure 1. Yellow route shows access from the main gate off Hancock Avenue to Building 290.

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Figure 1 - Jefferson Barracks ANGS Map

PROJECT SCOPE

This project is to replace an existing, vintage 1988, 336,000 BTU/h hot water boiler with a new high-efficiency condensing boiler. The project includes the installation of all associated boiler room copper piping, components, valves, a 3-way valve, water treatment system, boiler controls, and the replacement of the existing pump and 2HP pump motor. The goal is to improve energy efficiency, reliability, and system performance while ensuring compliance with applicable codes and standards.

1. Demolition and Removal

1.1. Safely disconnect and remove the existing 336,000 BTU/h hot water boiler.

1.2. Remove all associated piping, valves, controls, and components that will be replaced. This includes natural gas supply line and gas valve/components being replaced back to just outside the external wall. The hot water supply and hot water return lines shall be connected to the new boiler in a logical fashion.

1.4. Remove the existing pump and 2HP pump motor.

1.5. Properly dispose of all removed equipment and materials in accordance with local regulations.

2. Installation of New High-Efficiency Condensing Boiler

2.1 Supply and install a new high-efficiency, modulating, condensing boiler with a capacity equivalent to, or greater than, 336,000 Btu/hr. The boiler must meet or exceed Energy Star requirements or 95%

AFUE.

2.2. Ensure the boiler meets all applicable energy efficiency standards and is compliant with local building codes.

2.3. Provide all necessary mounting hardware, insulation, and accessories, for proper installation.

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2.4. Use existing chimney penetration for new boiler exhaust. No new penetrations through the external wall or roof are allowed without approval from Jefferson Barracks ANG Environmental and Cultural Resource Manager.

2.5. Install boiler condensate line and neutralizer from boiler to boiler room drain.

3. Boiler Room Piping and Components

3.1. Design and install new boiler room piping to accommodate the new condensing boiler.

3.2. Include all necessary fittings, connections, and insulation to ensure proper operation and energy efficiency.

3.3. Install new components, valves and gauges (temperature and pressure) as necessary and per standard industry practices. manufacturer.

3.4. Install new gas line with tracpipe, or equivalent, and associated valves.

3.5. Install new water make-up piping and backflow preventer.

3.4. Ensure all piping and components are properly labeled and meet industry standards.

4. Water System Conditioner and Glycol Feed System

4.1. Supply and install an appropriate boiler water treatment system and glycol feed system to monitor and improve water quality and prevent scaling or corrosion in the hydronic boiler system.

4.2. Ensure the conditioner is compatible with the new condensing boiler and piping system.

4.3. Glycol solution percentage for the current hot water system should be checked and balanced at

30%.

5. Boiler Controls

5.1. Install new boiler controls to optimize system performance and energy efficiency.

5.2. Provide user interface to monitor control points and program energy efficiency strategies such as outside air temperature reset, and supply temperature 7-day scheduling per operational schedules.

5.3. Provide training to facility staff on the operation and maintenance of the new controls.

6. Pump and Motor Replacement

6.1. Supply and install a new pump and modulating pump motor to replace the existing unit.

6.2. Include triple duty valve and pump suction diffuser, associated pressure gauges and insulate.

6.3. Ensure the pump and motor are properly sized and compatible with the new boiler system.

6.4. Include all necessary wiring, connections, and mounting hardware.

7. Testing and Commissioning

7.1. Perform system testing to ensure proper operation of the new boiler, piping, valves, pump, motor, and controls.

7.2. Verify system performance, including energy efficiency, water flow, and temperature regulation.

7.3. Address any deficiencies identified during testing.

8. Documentation and Training

8.1. Provide detailed documentation, including drawings and schedules of mechanical room system layout, sequence of operations narrative, equipment manuals, and maintenance instructions.

8.2. Conduct training sessions for facility staff on the operation, maintenance, and troubleshooting of the new boiler system.

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9. Deliverables

9.1. Removal and disposal of the existing boiler, pump, and associated components.

9.2. Installation of a new high-efficiency condensing boiler.

9.3. Installation of new piping, valves, water treatment system, boiler controls, and circulating pump.

9.4. System testing and commissioning report.

9.5. Documentation package, including as-built drawings, equipment manuals, and maintenance instructions.

9.6. Training for facility staff.

10. Schedule

10.1 The project is expected to be completed within 90 calendar days.

10.2. Contractor will provide a detailed project schedule to government 15 business days after contract award.

11. Acceptance Criteria

11.1. The project will be considered complete when:

11.1.1. The new condensing boiler and associated components are installed and operational.

11.1.2. System testing and commissioning are successfully completed.

11.1.3. Documentation and training are provided to the client.

11.1.4. The client has reviewed and approved all deliverables.

Design Codes: Major design codes and standards, which are applicable to Air National Guard (ANG) construction, are indicated below. This listing is not intended to be all-inclusive. It is the Contractor’s responsibility to refer to applicable codes, and to procure other applicable codes and standards if needed.

1. Air National Guard Engineering Technical Letters (ANGETL’s):

http://www.wbdg.org/ffc/ang/engineering-technical-letters-angetl

2. Air Force Regulations – Apply as directed and when the ANG is a tenant on an Air Force or Reserve Host Base.

3. National Fire Code – Fire Protection

4. Code of Federal Regulations, State Regulations where State has jurisdiction – Energy, Environmental

Protection, Safety

5. OSHA; AFOSH – Safety

6. NFPA 70, National Electric Code (NEC), latest edition – Electrical Design

7. Unified Facility Criteria- UFC 1-300-02

SPECIAL REQUIREMENTS

1. All parking of vehicles and equipment shall be in area provided at job site.

2. Contractor is responsible for keeping construction area(s) neat and orderly on a daily basis and will be responsible for cleaning up upon project completion.

3. All contractor vehicles, trucks, dumpsters, and similar vehicles and equipment shall be checked before travelling on base roads so as not to leave behind debris, dirt, rock and mud. Contractor will immediately take action to remove any of this material.

http://www.wbdg.org/ffc/ang/engineering-technical-letters-angetl

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4. Contractor will be responsible for the storage, transportation, and disposal of all demolition and waste materials. All refuse, debris, and construction waste shall be legally disposed of off base at a licensed landfill or approved recycling facility. Accumulations of refuse on the site will not be permitted. Government dumpsters will not be used. Contractor will provide weight tickets for landfilled waste/debris, or an estimate of weight if weight tickets are not provided by the facility.

5. All work shall be performed in accordance with applicable Occupational Safety and Health Administration (OSHA), Air Force Occupational Safety & Health (AFOSH), Environmental Safety, and all Federal, State, Local and Base regulations and requirements.

6. The Government will not be responsible for property belonging to, or under the control of the Contractor and no secure storage will be provided.

7. Normal Government activities in the vicinity of this project may be kept in full or partial operation during construction. In these cases, ensure that government employees are allowed to safely enter and exit the building being worked on. The Contractor shall coordinate with the Civil Engineering Office and schedule construction activities so as to allow the safe and efficient operation of these activities.

8. All personnel shall be briefed on the proper procedures for working on a Government installation.

ENVIRONMENTAL AND CULTURAL RESOURCES REQUIRMENTS

1. All universal waste, such as mercury containing lamps, ballasts containing PCBs, batteries or aerosols must be properly recycled or disposed of per applicable requirements of Federal, state, and local PCB and Universal waste regulations. Contractor must provide Base Environmental Office total weight and certificate of disposal for all recycled and disposed material. All Hazardous Waste Manifests must be signed by a Base Environmental Office representative before leaving the Installation. The environmental office can be reached at 314-527-8355 or 8369.

2. Historic Preservation. The entire Jefferson Barracks Air National Guard Station is a part of the Jefferson Barracks National Historic District. Specifically, to this project, no new external wall penetrations are allowed unless approved by the Base Environmental office. Existing wall penetrations will be used for the new boiler installation. Use care not to damage exteriors of buildings during the course of the project. Contractor will adhere to the following brief for all brick tuckpointing work, (https://www.nps.gov/orgs/1739/upload/preservation-brief-02-repointing.pdf).

Coordinate with EMO regarding any questions pertaining to historical preservation practices.

SECURITY REQUIRMENTS/BASE ACCESS

1. The contractor shall comply with all applicable installation/facility access and local security policies and procedures, which may be obtained from the Contracting Officer’s Representative (COR). The contractor shall also provide all information required for background checks to meet installation access requirements to be accomplished by the local installation’s Security Forces, Director of Emergency Services or local Security Office. The contractor shall ensure compliance with all personal identity verification requirements as directed by DoD, HAF and/or local policy. Should the Force Protection Condition (FPCON) change, the Government may require changes in contractor security matters or processes. Contractor and all associated sub-contractors employees shall comply with adjudication standards and procedures using the National Crime Information Center Interstate Identification Index (NCIC-III) and Terrorist Screening Database (TSDB) (AFI 31-101 and AFI 10-245), applicable installation, facility and area commander installation/facility access and local security policies and procedures (provided by government representative), or, at OCONUS locations, in accordance with status of forces agreements and other theater regulations.

https://www.nps.gov/orgs/1739/upload/preservation-brief-02-repointing.pdf

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2. Contractor and subcontractor personnel shall provide all information required by Security Police for processing background checks to meet installation access requirements. Personnel must use the DBIDS pre-enrollment process to apply for installation access. The link to the pre-enrollment website will be provided to the contractor. Upon successful completion, DBIDS will provide the requester with a code that shall be provided to Security Police to process a base access pass.

3. To expedite, personnel should use the DBIDS pre-enrollment process before coming on the installation, and provide the code to the CE Project Manager, who will forward to Security Police.

4. Contractor personnel shall also show valid photo identification to enter the installation. If driving, a valid state driver’s license must be in their possession.

5. Contract personnel are advised that they are subject to random search while on government premises. Contractor access shall be restricted to the location of project.