DRAFT SOW - TYMX B575 RAN BOILER.pdf

STATEMENT OF WORK (SOW)

REPLACE HEATING BOILERS,

Building 575, 710 MAIN CIR.

Joint Base San Antonio – Randolph, Texas

1.1 PROJECT OVERVIEW. The purpose of this project is to replace the existing gas-fired boiler system in Building 575 at JBSA-Randolph, TX, with a new, energy-efficient, and code-compliant system to meet the facility's long-term heating requirements. This Statement of Work (SOW) outlines the requirements for the contractor to furnish all supervision, labor, materials, tools, equipment, transportation, incidentals, and quality assurance necessary for the removal, disposal, and replacement of the existing system and its associated components.

1.2 BACKGROUND INFORMATION.

1.2.1 Facility: Building 575 is a two-story administrative facility located at JBSA-Randolph, originally constructed in 1974. The facility has a gross area of approximately 22,594 square feet.

1.2.2 Existing Boiler System: The current gas-fired boiler was installed around the year 2000.

It has a heating capacity of 300 MBH and utilizes a single-pump configuration. This boiler provides hot water for the facility's Air Handling Units (AHUs).

1.3 SCOPE OF WORK.

1.3.1 The Contractor shall deliver a fully functional and code-compliant boiler system replacement, which includes the following:

• Removal and disposal of the existing boiler system (boiler, pumps, associated equipment).

• Installation of a new, energy-efficient, code-compliant boiler system.

• Modified piping as needed for integration with the new system.

• Completed electrical upgrades.

• Fully integrated and commissioned boiler controls.

All work must be performed in compliance with all applicable codes and standards.

1.3.2 Removal and Disposal.

1.3.2.1 The contractor shall safely disconnect and remove the existing 300 MBH gas-fired boiler, a hot water circulation pump, expansion tank, air separator, chemical feeder, associated hot water valves and actuators, backflow preventer, and all related piping in the mechanical room, electrical wiring, and disconnect switches.

1.3.2.2 Prior to any demolition or removal activity, the contractor shall identify and mark all equipment, piping, and systems that are to remain. Extreme care must be taken during removal operations to protect all existing equipment in the mechanical room that is not scheduled for replacement.

1.3.2.3 The contractor shall use appropriate barriers, protective coverings, and careful handling procedures to prevent impact or vibration damage to adjacent systems and components.

1.3.2.4 The contractor shall remove and dispose of all equipment associated with the heating boiler in accordance with federal, state, and local environmental regulations at an approved off-base disposal site.

1.3.2.5 The contractor shall assume ownership of all removed equipment and materials upon removal from government property.

1.3.2.6 All materials in good working condition, including valves and actuators, shall be carefully removed, inspected, and reused where feasible. Materials deemed unsuitable for reuse shall be properly disposed of in accordance with applicable regulations.

1.3.3 Pre-Installation Requirements.

1.3.3.1 The contractor shall assess the existing system pre-installation, including attending the site visitto assess the existing system, including inlet/outlet dimensions, electrical connections, foundation condition (equipment pad), and other site-specific constraints.

1.3.3.2 The contractor shall take all necessary field measurements to modification of existing piping, electrical connections, and foundation (equipment pad).

1.3.3.3 The contractor shall submit manufacturer cut sheets and equipment specifications for review and written approval by the 502d Civil Engineering Squadron prior to the start of work.

1.3.3.4 The contractor shall be responsible for all required modifications to the mechanical, electrical, and structural systems to ensure proper integration and operation of the new units.

1.3.3.5 The contractor shall flush the boiler's heating system (the loop) before installing the new boiler to remove dirt and debris that could damage the new boiler.

1.3.4 Furnishing and Installation.

1.3.4.1 The contractor shall furnish and install a heating boiler that matches the capacity specified in the As-Built drawings or a capacity equivalent to the existing boiler.

1.3.4.2 The contractor shall furnish and install the new hot water pump, including appropriate supporting structure (equipment pads).

1.3.4.3 The contractor shall furnish and install new auxiliary components, including the expansion tank, air separator, and chemical feeder, along with compatible valves and actuators.

1.3.4.4 The contractor shall furnish and install a new backflow preventer and all associated components for the makeup water line.

1.3.4.5 The contractor shall furnish and install new gas supply piping in the mechanical room as required to connect to the new equipment.

1.3.4.6 The contractor shall furnish and install new hot water supply and return piping in the mechanical room as required to connect to the new equipment.

1.3.4.7 The contractor shall align and configure new hot water supply and return piping as necessary to connect to the new equipment.

1.3.4.8 The contractor shall ensure all installation work is performed by qualified installers to maintain equipment integrity and warranty eligibility.

1.3.4.9 The contractor shall retrofit or modify any existing piping, valves, or fittings as necessary to ensure compatibility with the new heating boiler.

1.3.4.10 The contractor shall complete all piping, valves, and electrical work necessary to integrate the new boiler.

1.3.4.11 All replaced valves, actuators, and fittings shall be rated for hot water heating systems and compatible with the new boiler setup.

1.3.4.12 The contractor shall insulate all exposed hot water piping in accordance with applicable energy efficiency standards and mechanical codes.

1.3.4.13 The contractor shall provide and install new electrical wiring, conduits, and disconnect switches in compliance with current National Electrical Code (NEC)

1.3.4.14 The contractor shall update or replace any necessary control hardware, including sensors, to ensure proper functionality with the new hot water boiler.

1.3.4.15 The contractor shall integrate the new boiler with the existing building’s Direct Digital Control (DDC) system.

1.4 Installation Activities.

1.4.1.1 The contractor shall install all equipment per manufacturer instructions and ensure proper anchoring, seismic compliance, and alignment.

1.4.1.2 All piping shall be supported and insulated in accordance with mechanical codes and energy standards.

1.4.1.3 Control wiring shall be installed to ensure seamless integration with the building’s automation system (existing can be reused).

1.4.1.4 Boiler control panels, sensors, and actuators shall be configured and calibrated to ensure proper sequencing and fault reporting.

1.4.1.5 All replaced valves, actuators, and fittings shall be rated for hot water heating systems and compatible with the new boiler setup.

1.4.1.6 Upon installation completion, the system shall be pressure-tested and leak-checked before startup.

1.4.2 Startup and Testing.

1.4.2.1 The contractor shall perform startup procedures on the new boiler in accordance with the manufacturer’s recommendations.

1.4.2.2 The contractor shall confirm that the system is operating as intended, including proper flow rates and operating temperatures.

1.4.2.3 The contractor shall provide a startup report to the government that includes water temperatures, flow rates, and any irregularities or adjustments made during commissioning.

1.5 WARRANTY AND DOCUMENTATION.

1.5.1 The contractor shall guarantee all materials and workmanship for a period of one (1) year from the date of project completion.

1.5.2 The contractor shall respond and establish a site visit date to address warranty of any defect in workmanship or materials within twenty-four (24) hours of government notification, at no additional cost.

1.5.3 The contractor shall provide documentation for any manufacturer warranties extending beyond the one-year period, and include the manufacturer’s contact name, phone number, and address where warranty claims can be submitted.

1.6 COORDINATION.

1.6.1 The contractor shall coordinate all phases of work with the 502d Civil Engineering Squadron/CE5XR Office to minimize disruption to building occupants and ongoing HVAC operations.

1.6.2 The contractor shall ensure the timing of shutdowns, deliveries, and other impacts are communicated and approved in advance.

1.6.3 The contractor shall maintain communication with the following points of contact throughout the duration of the project: 502nd CE POC Office: Bictor Zamora , (210) 808-0186, or Cell (210) 419-9423.

1.7 SCHEDULING.

1.7.1 The contractor shall schedule all work and base passes with 502nd CE POC Bictor Zamora office: (210)808-0186 or Cell(210)419-9423All work shall be completed and accepted by the government. Changes to the schedule shall be immediately identified with the 502nd CE POC

1.8 HOURS OF OPERATION

1.8.1 The contractor shall perform all work between 6:30:00 AM and 4:30 PM, Monday through Friday.

1.8.2 The contractor shall not perform work on federal holidays (New Year's Day, MLK Day, Presidents Day, Memorial Day, Juneteenth, Independence Day, Labor Day, Columbus Day, Veterans Day, Thanksgiving Day, Christmas Day)

1.9 PROTECTION OF GOVERNMENT PROPERTY.

1.9.1 The contractor shall protect all government property during the course of the project.

1.9.2 The contractor shall remove and reinstall any interfering equipment or fixtures and ensure their operational condition upon completion.

1.9.3 The contractor shall repair, at no additional cost, any damage to government property caused by contractor personnel or activities.

1.10 QUALITY ASSURANCE.

1.10.1 The contractor shall support quality inspections to be conducted by the 502d CE Planning & Engineering staff.

1.10.2 The contractor shall address any deficiencies identified by government inspectors prior to project acceptance.

1.11 ENVIRONMENTAL COMPLIANCE.

1.11.1 The contractor shall comply with all applicable federal, state, and local environmental regulations throughout the project duration

1.12 CLEAN-UP.

1.12.1 The contractor shall maintain a clean and orderly worksite throughout the duration of the project. At the end of each workday, the contractor shall clean the work area and properly dispose of all waste materials off-base at an approved disposal site.