Water Heater Scope of Work.1.docx

CONTRACT SPECIFICATIONS

Station Dauphin Island Water Heater Replacement

AT

UNITED STATES COAST GUARD

Station Dauphin Island Dauphin Island, Al

PROJECT NUMBER 31781505

AUGUST 2026

SECTION 01 11 00

SUMMARY OF WORK

PART 1 GENERAL

1.1. GENERAL DESCRIPTION

1.1.1. General Work Requirements

The contractor shall provide all labor, supervision, materials, equipment, tools, transportation, permits, and incidentals necessary to remove and replace three (3) existing commercial water heaters and associated plumbing components.

Work consists of replacing two (2) approximately 120-gallon commercial water heaters located in the unit utility/mechanical room and one (1) approximately 85-gallon commercial water heater located in the kitchen utility closet.

All new equipment should be commercial grade and appropriately sized for the existing facility demand and existing electrical/plumbing systems. Contractor shall field verify all existing conditions, dimensions, connections, electrical requirements, and equipment specifications prior to ordering equipment or beginning work.

A. Utility/Mechanical Room – Two 120-Gallon Water Heaters The contractor shall:

- Drain, disconnect, remove, and properly dispose of two (2) existing approximately 120-gallon commercial water heaters.

- Furnish and install two (2) new 120-gallon commercial water heaters of equal or greater capacity and performance than the existing units.

- Remove and replace associated hot-water and cold-water piping as necessary to provide a complete and serviceable installation.

- Furnish and install new isolation/ball valves for each water heater as required.

- Replace associated check valves and other valves necessary for proper operation of the system.

- Remove and replace existing thermostatic mixing valve(s) associated with the water-heating system with new commercial-grade mixing valve(s) properly sized for the application.

- Remove and replace the existing approximately 14-gallon thermal expansion tank with one (1) new expansion tank properly sized and rated for the system.

- Remove and replace the existing domestic hot-water recirculation pump with a new commercial-grade recirculation pump properly sized for the existing system.

- Provide new isolation valves, check valve(s), flanges/unions, fittings, and other required components associated with the recirculation pump installation to permit proper operation and future servicing.

- Modify, remove, and replace existing copper piping, fittings, supports, insulation, and related materials as necessary to accommodate the new equipment.

- Reconnect the new water heaters to the existing domestic cold-water supply, hot-water distribution, and recirculation systems.

- Provide and install new temperature and pressure relief valves and associated discharge piping as required.

- Reconnect electrical service to the new water heaters and recirculation equipment as required.

- Replace damaged or removed pipe insulation and insulate all newly installed hot-water and recirculation piping to match the existing system or applicable code requirements.

- Properly support and secure all new or modified piping.

B. Kitchen Utility Closet – One 85-Gallon Water Heater The contractor shall:

- Drain, disconnect, remove, and properly dispose of one (1) existing approximately 85-gallon commercial water heater located in the kitchen utility closet.

- Furnish and install one (1) new 85-gallon commercial water heater of equal or greater capacity and performance than the existing unit.

- Remove and replace associated hot-water, cold-water, and recirculation piping as necessary for installation of the new water heater.

- Furnish and install new isolation/ball valves, check valves, unions, fittings, and other associated valves/components required for a complete installation.

- Remove and replace the existing domestic hot-water recirculation pump with a new commercial-grade pump, properly sized for the existing system.

- Provide isolation valves and check valve(s) associated with the new recirculation pump as required for proper operation and future maintenance.

- Provide and install a new temperature and pressure relief valve and associated discharge piping as required.

- Reconnect the new water heater to the existing domestic cold-water supply, hot-water distribution, and recirculation systems.

- Reconnect electrical service to the new water heater and recirculation equipment as required.

- Replace damaged or removed pipe insulation and insulate all newly installed hot-water and recirculation piping to match the existing system or applicable code requirements.

- Properly support and secure all new or modified piping.

C. Piping and Installation Requirements

All piping modifications shall be performed in a professional manner and shall comply with applicable plumbing, mechanical, electrical, and building codes.

The contractor shall:

- Field verify existing pipe sizes and routing prior to performing work.

- Use materials compatible with the existing domestic water system.

- Replace piping that must be removed to facilitate equipment replacement rather than unnecessarily reusing damaged or deteriorated material.

- Provide dielectric protection where dissimilar metals are joined.

- Provide unions or other approved means of disconnection at equipment to facilitate future maintenance and replacement.

- Install valves and serviceable components in accessible locations.

- Properly support piping to prevent the weight of piping from being carried by the water heater or other equipment connections.

- Seal all walls, floors, or other penetrations disturbed during work.

D. Removal and Disposal The contractor shall be responsible for removal and lawful disposal of all equipment and materials removed as part of this project, including the three existing water heaters, expansion tank, recirculation pumps, valves, piping, insulation, fittings, and miscellaneous debris.

The work areas shall be maintained in a clean and safe condition throughout the project. Upon completion, all construction debris and unused materials shall be removed from the facility.

E. Testing and Commissioning Upon completion of installation, the contractor shall:

- Fill and properly purge each domestic hot-water system.

- Inspect all new and disturbed piping and connections for leaks.

- Verify proper operation of all three water heaters.

- Verify proper operation and flow direction of each recirculation pump.

- Verify proper operation of the thermostatic mixing valve(s).

- Verify proper operation of the thermal expansion tank.

- Verify proper operation of all isolation and check valves.

- Verify temperature and pressure relief devices are properly installed and operational.

- Verify electrical connections and operating voltage/amperage are within equipment requirements.

- Adjust system controls and temperature settings as required for proper operation.

- Operate the systems through normal operating conditions and confirm satisfactory performance before final acceptance.

Any leaks, deficiencies, abnormal operating conditions, or installation defects discovered during testing shall be corrected by the contractor prior to final acceptance.

The contractor shall notify the Government/owner of any conditions discovered during the site visit that would prevent replacement with equipment of the specified capacity or substantially alter the scope of work.

The contractor shall coordinate all domestic hot-water shutdowns with the facility representative prior to beginning work. Shutdown duration shall be minimized to the greatest extent practical.

1.1.2. SPECIFIC WORK REQUIREMENTS

A. Qualifications

(1) The installation shall be performed by an Plumbing contractor certified in the state of Alabama.

(2) The installation shall comply with the most current edition of the National Electric Code.

B. Additional Performance Requirements

(1) Contractor shall perform a site visit and field verify existing conditions before submitting a final proposal. This shall include verification of equipment dimensions, access restrictions, piping sizes, electrical requirements, equipment capacities, drain locations, and any other conditions affecting removal or installation

1.1.3. SPECIAL WORK REQUIREMENTS

A. Comply with all hot work requirements of the Coast Guard unit.

B. Coordinate all staging and laydown areas with the Coast Guard prior to work starting.

1.2. TEMPORARY FACILITIES OR UTILITIES

Temporary Hot Water Requirements If the domestic hot water system cannot be restored to normal operation within 24 hours of the initial shutdown, the contractor shall, at no additional cost to the Government, provide and maintain an adequate temporary hot water source capable of supplying hot water to the Station's shower facilities.

The temporary system shall provide sufficient hot water to support normal showering requirements for Station personnel and shall remain operational until the permanent domestic hot water system has been fully restored, tested, and accepted.

All equipment, materials, connections, utilities, installation, maintenance, and removal associated with the temporary hot water system shall be the responsibility of the contractor.

Domestic hot water shall not be unavailable for a period exceeding 24 consecutive hours without an approved temporary hot water source being placed into service.

1.3. PROJECT PERFORMANCE PERIOD

A. The total contract performance period shall include not only the time needed to complete the base bid and approved option items, but it also includes the time needed to submit, review, and approve all material submittals, and complete all project record (closeout) documents. After work begins at the site, perform the work continuously during normal working hours and show daily progress until all work is complete.

B. The total contract performance period is 30 calendar days.

1.4. LOCATION

The work is located at:

U.S. Coast Guard Station Dauphin Island 251 Aquarium Dr Dauphin Island, AL 36528 Arrangements for visiting the site may be made by contacting:

MKC Jeremy Gawlik Email: Jeremy.j.gawlik@uscg.mil Telephone: (251) 604-1788

1.5. DRAWINGS ACCOMPANYING SPECIFICATION

There are no drawings accompanying this specification.

1.6. WORK HOURS

1.6.1. Normal Working Hours

A. Perform all work at the site from Monday through Friday from 8:00am to 5:00 pm, unless otherwise approved. This project requires a special schedule to prevent operational interruptions during the installation process. Please refer to the scope section for detailed coordination of working hours. The contractor shall plan a schedule to minimize disruptions to building operations.

B. Performing the work beyond the listed working hours is at the discretion of the Coast Guard unit and the contractor must gain prior approval.

1.7. SPECIFIC ENVIRONMENTAL REQUIREMENTS

There are no specific environmental requirements. Refer to section titled Environmental for general environmental requirements.

1.8. SAFETY PROGRAM

1.8.1. General

The Contractor is wholly responsible for work site safety. Implement a safety program that protects the lives and health of personnel in the construction area, prevents damage to property and avoids work interruptions. Provide appropriate safety measures including but not limited to barricades, signs and signal lights as well as complying with the requirements of all applicable federal, State and local safety laws, rules and regulations.

1.9. AVAILABILITY OF UTILITY SERVICES

A. Reasonable amounts of the following utilities will be made available to the Contractor without charge.

(1) Electricity, and

(2) Potable Water.

B. The Contractor shall pay all costs incurred in connecting, converting, and transferring the utilities to the work. The contractor shall be responsible for making connections including providing back flow preventers, transformers and for disconnection. The contractor shall provide temporary toilet facilities for their personnel.

1.10. UNDERGROUND AND CONCEALED UTILITIES

A. Any utility locations provided are diagrammatic, not exact.

B. Physically verify the location and elevation of the existing underground and concealed utilities local to the work area. Employ techniques to scan the construction site including electromagnetic and sonic equipment prior to commencing the work. Mark the surface of the ground where existing underground utilities are discovered.

1.11. UTILITY OUTAGES

Identify the utility, reason for interruption, proposed time of interruption, and duration of interruption. Do not interrupt utilities until authorized by the Contracting Officer’s Representative (COR).

1.12. CONTRACTOR USE OF PREMISES

The work shall be performed on a Coast Guard operational military installation. Become familiar with and obey station fire, traffic, and security regulations. Personnel shall not stray from the immediate area of work or direct avenues of ingress and egress unless authorized in advance by the COR. Isolate each construction area with temporary partitions and dust controls. Provide movable high-visibility safety fencing about all work areas and equipment laydown areas located outdoors. Provide temporary covers on excavations that remain open overnight.

1.13. CLEANUP

The Contractor shall keep the work area, including the laydown and storage area, free from accumulations of waste materials on a daily basis and comply with all federal, state, and local regulations pertaining to the storage, transport, and disposal of wastes. The Contractor shall not use Coast Guard waste disposal facilities including garbage cans, trash piles, or dumpsters.

1.14. ENVIRONMENTAL

1.14.1. Protection of the Environment

The Contractor shall comply with all applicable federal, state, and local laws and regulations for the protection of the environment, including but not limited to the Endangered Species Act (ESA), Bald and Golden Eagle Protection Act (BGEPA), the Migratory Bird Treaty Act (MBTA), National Historic Preservation Act (NHPA), the Resource Conservation and Recovery Act (RCRA), and Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA).

1.14.2. Generated Waste

A. Any waste generated because of the project shall either be recycled or be disposed of in accordance with RCRA requirements.

B. Any hazardous waste shall be manifested off site with the Coast Guard unit listed as the Generator and signatory. Any hazardous waste shall be analyzed, characterized, stored, and disposed of in accordance with RCRA and all applicable federal, state, and local laws and ordinances.

C. Hazardous waste shall be properly transported and delivered to an appropriate facility. The Contractor shall submit for COR approval the proposed disposal facility, qualifications of the transporters, and the draft hazardous waste manifest.

1.15. DISPOSITION OF MATERIALS

A. All materials including construction debris and equipment shall be removed from Government property. The Government will not be responsible for the condition or loss of, or damage to, such property after notice to proceed. Materials and equipment shall not be viewed by prospective purchasers or sold on the site.

B. The Contractor shall submit the disposal receipt from the landfill within 10 working days of disposal.

1.16. STORM PROTECTION

The Contractor shall take every practicable precaution to minimize danger from storms to personnel, the work, and to adjacent property. Precautions shall include, but not be limited to, closing all opening, removing all loose materials, tools, and equipment from exposed locations, and removing or securing scaffolding and other temporary work.

1.17. RECEIPT OF MATERIALS

The Contractor is responsible to receive all equipment, materials, and supplies.

1.18. DELIVERY AND STORAGE

The Contractor is responsible for the proper transport and storage of all equipment and materials.

1.19. SECURITY

A. Submit a list of the names of all personnel working on the project site prior to the preconstruction conference for approval. The roster shall be submitted via email, and at a minimum, include the first name, last name, job description, and company of employment.

B. Immediately submit a new list upon a change in on-site project personnel. Refer to the paragraph titled, Special Notice Prior Notification, for notification requirements. Only personnel on the approved list are allowed onto the project site.

C. All approved personnel shall carry a valid, Government-issued identification while on Government property in conformance with the Real ID Act of 2005. Non-compliant personnel shall be escorted off Government property.

1.20. FINAL INSPECTION AND ACCEPTANCE

A. Electronically submit a written request for final acceptance to the Coast Guard.

1.21. WARRANTIES

A. Endorse all warranties or guarantees to the Government.

1.22. TRAINING

A. The Contractor shall provide training to unit personnel in the operation of the equipment. The Operation and Maintenance Manuals shall be approved and provided to the unit prior to the training.

1.23. SUBMITTALS

A. Submittals will be reviewed by the Coast Guard and returned within 10 working days after receipt, unless otherwise stated.

1.24. SUBMITTAL LIST

A. ROSTER OF PERSONNEL

(1) As required by the paragraph titled Security.

B. PROJECT SCHEDULE

(1) Prepare a Construction Progress Schedule. It shall include all major milestones and events for the entire duration of the construction contract.

C. SAFETY PLAN

(1) At a minimum, describe the general safety program and identify specific safety provisions for hazards incidental to the contract work such as elevated working surfaces, or similar conditions of the work. Comply with the paragraph titled Safety Program.

D. PRODUCT DATA

(1) Submit the product data sheet for each manufactured item. It shall include the manufacturer's descriptive literature of cataloged products, equipment drawings, diagrams, performance and characteristic curves and catalog cuts. Submit complete descriptive data for each type of material. Clearly mark data to indicate the type of material to be provided.

1.24.2. OPERATION AND MAINTENANCE MANUALS

A. Submit electronically and provide the following:

(1) Contact information for the prime contractor, sub-contractor, and major equipment vendor/supplier;

(2) Warranty information;

(3) Test procedures;

(4) Results of all testing and commissioning procedures;

(5) Performance data;

(6) A control sequence describing start-up, operation and shut-down instructions;

(7) Installation instructions;

(8) Maintenance instructions;

(9) Operating instructions;

(10) Parts list.

-- End of Section --

Section 01 11 00 image1.jpeg