Attachment_1_-_SOW_Water_Heater.pdf

ATTACHMENT 1 – STATEMENT OF WORK

HVAC WATER BOILER & LOOP PUMPS REPLACEMENT AT

THE YUMA AREA OFFICE

BACKGROUND

The Heating, Ventilation, and Air Conditioning (HVAC) system at the Yuma Area office includes one (1) 20hw Hot Water Boiler, (4) 7.5HP Pump Motors, starter cabinet and components, (4) Centrifugal Pumps for hot and cold water, and (1) Ballast. The existing hot water boiler has maintenance issues, intermittent motherboard failures, and need to be replaced. The pumps and motors are obsolete and maintenance parts kits needed to continue repairs are being exhausted with no replacements. The existing ballast is no longer needed in this system and will only be removed, including the concrete pedestal it is mounted to.

REQUIREMENT

The purpose of this construction contract is to replace the 20HW hot water boiler unit, two hot loop pumps and motors, 2 cold loop pumps, motors starter and cabinet with components (if existing is not compatible with new), and all related components, with a like item (or better). Related components include items such as check valves, isolation valves, etc. The ballast and concrete pedestal are to be removed only and its inlet and outlet lines will be bypassed and insulated.

LOCATION

All components of the work shall take place at the following location:

Bureau of Reclamation, Yuma Area Office 7301 Calle Agua Salada Yuma, AZ 85364

COMPONENTS OF THE WORK

I. Furnish and install a new energy efficient hot water heater system at the Yuma Area Office which replaces the 20HW boiler unit:

1. Prepare workspace containment for water spilling, from disconnecting system.

2. Provide all labor, materials, equipment and rigging to remove the existing 20HW boiler unit, loop pumps, motors, and ballast tank; and dispose offsite.

3. Furnish and install the new high efficiency hot water heater and loop pumps and motors, plumbed into the existing boiler system piping using the existing hot water return lines and supply lines. For the new water boiler system and loop pumps and motors specifications, see the attached water heater, loop pump and motor details.

4. Remove two concrete pedestals which support the existing ballast tank and repair concrete floor to its previous condition without the pedestal, matching existing floor.

All removed materials will be disposed of, off-site.

5. The new water boiler system shall replace the existing boiler on the concrete slab.

Secure water boiler system to the concrete equipment pad with seismic anchors extending through the pad attached to the existing concrete floor in accordance with ASCE 7, Chapter 13.

6. Water boiler shall be completely assembled.

7. Water boiler system shall be plumbed with existing supply water and return water. All new water supply and return lines must be insulated. Any existing sections of water lines within the loop, that need repairs, shall be included in this contract. Installation must include all electrical connections.

8. If existing starter cabinet does not support the new motors, vendor will be required to remove and replace original starter cabinet and all related components required to control new motors.

9. Provide all documentation, registration requirements, warranty compliance, start-up information, manuals, and technical specifications to the Government.

10. The Contractor shall provide a test of the entire boiler system, pumps, and motors upon completion of the work to show function and compatibility with the system.

The start-up shall be scheduled in advance and coordinated with all Government parties involved in this project. Contractor will also check for leaks and make necessary repairs, as needed.

11. The Contractor shall provide manufacturer’s warranty for boiler, pumps, and motors.

12. The Contractor shall provide a minimum of a one (1) year warranty on all parts, labor, material, and services installed for this project. The warranty period shall begin on the date of written acceptance by the Government.

II. Specifications for the water heater systems are included as Attachment 2.

III. All work shall be done in accordance with the Current Edition of the Reclamation Safety and Health Standards (RSHS) which can be found at:

https://www.usbr.gov/safety/rshs/index.html

Field Quality Control

The Government will conduct site inspections and witness functionality specified in this section. The Contractor shall perform tests and provide labor, equipment, and incidentals required for testing. Be able to produce evidence, when required, that each item of work has been constructed properly in accordance with the statement of work.

Site Security

The site is within the Administration Building and is secured. Reclamation will arrange site access into the main building as determined by the Safety Office. Upon completion of work for the day, all contractor staff shall be escorted off the installation.

Construction Work Areas are defined as areas where work is required under this contract. This includes designated access routes and any areas used by the Contractor for temporary service areas, storage areas, or parking areas.

The Contractor shall restrict entrance of personnel and vehicles, including vehicles of subcontractors and suppliers, into project site and existing facilities. Entry shall be limited to the Construction Work Area and all contractor and subcontractor employees must have proper identification. Suppliers and delivery vehicles must be escorted onsite by the Contractor’s superintendent and Reclamation staff.

All work is to be performed in areas that do require access cards or keys to access the area. Access cards and keys will not be issued for this contract.

PLACE, PERIOD OF PERFORMANCE AND HOURS OF OPERATION

Place of Performance:

U.S. Bureau of Reclamation Yuma Area Office 7301 Calle Agua Salada Yuma, AZ 85364

Period of Performance: All work must be completed no later than May 1, 2024.

Hours of Operation: The work shall normally be performed during regular working hours. Regular working hours for this requirement shall be defined as 7:00 am to 4:00 pm Monday through Thursday and Friday from 7:00 am to 2:00 pm; except Federal Holidays, and any other days specifically designated by the Government Representative. If a federal holiday falls on a Saturday, it will be observed on the preceding Friday. If the holiday falls on a Sunday, it will be observed on the following Monday. The Contractor shall not be required to perform services on these days unless an urgent or emergency service call is received from the Government Representative. Also, in the event an Executive Order issued by the President of the United States declares Agencies of the Federal Government closed on a Contractor’s scheduled service date, the Government Representative shall advise the contractor on whether services should be performed for that day or services should be rescheduled. The Contractor shall report to the COR designated representative, providing evidence of service performed. Time and a half labor rate shall come into effect for work performed outside of normal business hours as defined above.