8.0 SOW for NLZG262013 BLDG 2000 HVAC REPLACEMENT.pdf8.0 SOW for NLZG262013 BLDG 2000 HVAC REPLACEMENT.pdf

Project # NLZG262013 Bldg. 2000 HVAC Replacement 1

STATEMENT OF WORK

Bldg. 2000 HVAC Replacement

1.01 SCOPE: Contractor shall furnish all labor, materials, equipment and supplies necessary to complete the replacement of the existing Chiller Unit (ACU-1), existing Trane Condenser Unit (ACU-2), and three (3) related Air handler Units (AHU-1-3) at Building 2000, including the AHU Variable Frequency Drive (VFD) (both return and supply), related equipment safety power supply switch/components, chilled water supply and line sets, and all or any other related or required components to make the units whole and operational. In addition, the contractor will assess the existing Variable Air Volume (VAV) system in the building and replace VAV boxes as required.

1.02 LOCATION: Rickenbacker ANGB Building 2000.

1.03 COORDINATION: Notify 121st Civil Engineering at 614-492-4121 or contact Mr. Michael

Hissom at 614-492-4459, a minimum of seven (10) business days prior to starting any work.

Coordination with the 121st CES is mandatory.

1.04 SUBMITTALS:

A. Quote must contain an itemized list for labor, parts, materials, equipment rental and any other incidental expenses.

B. Contractor shall provide a detailed schedule of construction for this project.

C. Contractor shall include with their proposal what GREEN Procurement (Re-Cycled-Bio Based Content) items which they intend to use on the contract (if applicable).

The following web sites should be reviewed for materials which can be used in the Governments Green Procurement effort.

Information on Recycled content requirements: www.epa.gov/cpg (Check under Products/Construction Material)

Information on Bio based program: www.biobased.oce.usda.gov

D. The following items must be submitted by the Contractor after award at the Pre-Construction Conference:

1. Contractor will provide SDS Sheets for all: concrete, glues, sealants, solvents, additives, cleaners and fuels to be used. All other substances of a flammable, corrosive and toxic nature shall be submitted as well.

2. Contractor will ensure that each of the aforementioned SDS items are listed on a

Transient Organization Hazardous Material Inventory Sheet and submitted for approval prior to starting work.

3. Contractor will utilize Material Approval Submittal (AF IMT 3000) to provide submittals for all equipment, materials, and parts to be installed prior to installation at http://www.epa.gov/cpg http://www.biobased.oce.usda.gov/

Project # NLZG262013 Bldg. 2000 HVAC Replacement 2 the project site.

4. To be turned in upon completion of work. Contractor will fill out a Solid Waste Disposal Spreadsheet, which tracks construction debris that goes to dump sites or that is recycled. (When applicable). The intent is to capture quantities and costs.

5. To be turned in upon completion of work. All warranty and training documentation for all applicable work and materials, equipment, and parts installed as part of the project.

1.05 WORK TO BE ACCOMPLISHED:

1. Background:

a. The existing Trane Chiller Unit, related Trane AHUs (1 & 2), existing Trane Condenser Unit (ACU-2), related AHU 3, and AHU VFDs, and all related components, as well as the system’s Variable Air Volume boxes (VAVs) at Building 2000 are at the end of their operational life. The intent is to replace the existing units in kind with new equipment that meets required/existing loads.

b. VAV assessment and replacement are confined to the Boxes and heating valve actuators. The existing air distribution system ductwork shall remain intact and only be modified to accommodate the new equipment/unit(s) where necessary.

c. The Contractor shall recover all refrigerants from the system prior to the start of work.

2. Requirements:

a. All materials and work shall be IAW Department of Defense Unified Facilities

(DoD UFC) Code 3-410-01 dated 28 July 2025 / Change 1 & Supplement 1 dated 23 January 2026 (attached) and applicable standards therein.

b. Demolition

i. Contractor shall per all required local, state, or federal codes, and industry, safety and environmental regulation standards/requirements safely remove and dispose of all existing units and associated equipment.

ii. Contractor will remove existing 460V, 3PH 125 Ton Trane Chiller Unit (Model: RTAA1254XJ01A300B, Serial:U98F00857), related AHU-1 (Model: Trane MCCA030BAJ0CADB, Serial: K98G67151), AHU-2 (Model: Trane MCCA030BAJ0CACB, Serial: K98G67176), and both related supply & return air handler motor VFDs. To include AHU-3 (Model: Trane MCCA08GV0ABG, Serial: K98G64606) and related 5-Ton

Project # NLZG262013 Bldg. 2000 HVAC Replacement 3

Trane Condenser unit (Model: TTA120H300AA, Serial: 17335LFNYA), unit power supplies, safety switches, supply & return water piping and valves, and all other related components as required.

iii. Contractor will disconnect the electric service for the units.

iv. Contractor will disconnect the existing control wiring for the units.

c. Once all materials and equipment have been removed from the system it then becomes the contractor’s responsibility to make necessary repairs to the facility resulting from the demolition.

d. Installation

i. The Contractor ensuring best practice, safety, efficiency, and performance shall follow IAW DoD UFC as aforementioned above, while incorporating/adhering to ASHRAE standards and codes for new equipment installation, shall install a new 125 Ton, 460V, 3PH Chiller Unit, related AHUs, related AHU VFDs, and all related VAV boxes comparable to or exceeding existing equipment specifications, ensuring existing CFM and Cooling load specification requirements are met.

ii. The Contractor ensuring best practice, safety, efficiency, and performance shall follow IAW DoD UFC as aforementioned above, while incorporating/adhering to ASHRAE standards and codes for installation for new equipment installation, shall assess the existing Variable Air Volume Boxes and replace those units not meeting performance requirements.

iii. New equipment shall be installed using new materials that meet or exceed local, state, and IAW DoD UFC/ASHRAE standards, ensuring full compliance and operational efficiency.

iv. The new chiller (unit make & model dependent) shall have all required sensors, variable speed fans, cooling capacity compressor staging, electronic expansion valves (if applicable), all required safety components, i.e., per circuit high and low pressure protection, compressor overload protection, 3-phase voltage protection, compressor protection anti-cycling timer, etc., compressor oil level sight glass, compressor suction service valves and liquid line shutoff valves, no Hot Gas Bypass, to include service ports with valve cores for pressure checking/service, liquid line solenoid valves, full port circuit section isolation ball valves, filter dryers, coil protective panels/grills and hail guards.

v. The type of refrigerant for the newly installed equipment will be determined per new equipment requirements.

vi. New equipment shall be compatible with the existing Metasys System and be enabled for remote monitoring and operation.

Project # NLZG262013 Bldg. 2000 HVAC Replacement 4

vii. New equipment will be installed on existing housekeeping pads.

e. Installation (Cont.)

i. Related supply and return water lines and all related accessories, i.e., utility piping, power/control wiring, conduit, etc. will be replaced only as required to accommodate new equipment installation equipment/standards. Every attempt shall be made to reuse existing utility feeds provided they meet new equipment and current construction standard requirements and are still serviceable.

ii. The Contractor shall only modify supply or return AHU ductwork as required to connect to the existing air distribution system.

iii. These systems shall be designed and installed with safety and high ease of maintenance in mind. Safe and ease of access of equipment hatches, doors, controls, and safety disconnects shall be taken into consideration when equipment is installed.

iv. All Make-Model-Serial Number and total quantity of refrigerants for each system as well as Operations/Maintenance Manuals shall be provided to the 121st Civil Engineering Squadron.

v. The new equipment/system control functionality must mirror the existing operational sequences, ensuring consistent energy management, scheduling, and alarming, and must be fully supported by the existing Metasys server. To include proper integration, sequencing, and compatibility of all newly installed and existing system equipment.

Ensuring new equipment operates within design specifications, verifying proper operation, proper airflow, proper temperature regulation, and overall proper system performance before completion of all work.

3. The 121st Civil Engineering Squadron is mandating a Manufacturer System

Start-Up to verify the system operates per manufacturers specifications, establishing a maintenance baseline and ensuring the system meets all warranty prerequisites.

1.06 BID SCHEDULE: Bids shall be submitted with the price broken out in four contract line numbers. (CLIN).

CLIN 0001: Replacement of the existing Chiller Unit CLIN 0002: Replacement of the three (3) existing AHUs CLIN 0003: Replacement of the AHU-3 Condenser Unit CLIN 0004: Assess VAV System and replace VAV Boxes as required

1.07 SAFETY: All precautions necessary to ensure the safety of personnel and the protection of existing equipment and structures will be strictly enforced. All additional electrical safety precautions shall be followed. All OSHA standards shall be met.

Project # NLZG262013 Bldg. 2000 HVAC Replacement 5

1.08 CONSTRUCTION DIRT AND DEBRIS: The contractor shall remove any dirt, debris, construction waste that collects during construction on the traveled roadways or existing pedestrian facilities on the base as directed by the Base Civil Engineer.

1.09 CONSTRUCTION STAGING OF EQUIPMENT: The contractor shall coordinate with the

Base Civil Engineer appropriate locations for overnight storage/staging of construction equipment.

1.10 HAZARDOUS MATERIALS REQUIREMENTS:

1. HAZMAT shall not be stored on base unless with written permission from contracting officer and HMP. When Hazardous Material (HM) is to be stored for use on Rickenbacker ANGB, the contractor shall establish a hazardous material storage and distribution system that complies with all Federal, State, and Local environmental regulations.

2. The contractor shall register through the Contracting Officer with the base Hazardous Material Pharmacy (HMP) prior to start of work.

The contractor shall submit to the Contracting Officer for approval the following for all HM, as defined by Federal Standard 313 Table I and Table II, to be used in the accomplishment of the work / service to be provided to the government: See paragraph 1.04 Submittals

1.11 SITE CONDITIONS: Submission of a proposal by a contractor shall be considered evidence that the contractor has examined the statement of work and is satisfied as to the nature and location of the work and all matters, which can in any way affect the work or the cost of the work under the proposal. Any failure of the contractor to become acquainted with all available information, including a physical survey of the site for the proposed work will not relieve the contractor from successfully fulfilling all work that is required for a complete and acceptable job.

1.10 HAZARDOUS MATERIALS REQUIREMENTS: