SOW - FAA TRI ASR & TRI MODE-S HVAC REPLACEMENT.docx

SUMMARY OF WORK

FAA TRI ASR & TRI MODE-S HVAC REPLACEMENT

LOCATED AT TRI-CITIES AIRPORT, BLOUNTVILLE, TN 37617

1.0 GENERAL

SCOPE

The selected Contractor shall furnish all labor, product, equipment, materials, and supervision for the demolition and installation associated with the HVAC Replacement Project at FAA Tri-Cities TRI ASR (Airport Surveillance Radar) facility located at Tri-Cities Airport, Blountville, TN 37617 and FAA Tri-Cities TRI MODE-S (Mode Select; Discrete Addressable Secondary Radar System with Data Link) Facility located at Tri-Cities Airport, Blountville, TN 37617.

Remove and dispose of the existing Units being replaced and associated ducting and components from facilities. Installation includes but is not limited to providing and installing at TRI ASR new 2 each 10-Ton Packaged System AC Units with associated ducting, and other associated components into the TRI ASR facility. Installation includes but is not limited to providing and installing at TRI MODE-S new 2 each 4-Ton Wall Packaged System AC Units and installing new ducting, and other associated components into the TRI MODE-S facility. Prior to “Installation,” all of the equipment and material shall be reviewed and accepted by an FAA representative.

The following items are a summary of the project and are provided solely for the purpose of describing the general nature of the work. The Contractor is responsible for accomplishing all items of work identified in applicable drawings, specifications, and provisions of the contract:

New Air Conditioners Provide and install 2 each new 10-Ton Packaged Air Conditioning Units in TRI ASR, 2 each 4-Ton Wall Packaged Air Conditioning Units in TRI MODE-S, FAA approved, and all associated components. This includes:

Replace both Units in each facility Set new units on steel beams not treated timbers and isolation dampers/rubber pads Units Options have reference Enthalpy** on Economizers to Prevent moist humid air entering room when economizing Unit Options have Hail Guards to protect coils ** No electric heat is in units Replace existing Bard Units with (2) new Bard replacement matching Units Install Motorized Discharge Air Dampers on both Bard Units Install Supply Duct off each Unit into One Single Duct Install Supply Grilles to Direct Air to the floor with one Grille directing air to the end wall System can operate as one or two units running on the single duct system allowing cold air to cool the equipment better and returning warmer air to the Units Includes Boom Truck/Crane to lift and remove Units Includes all labor, materials Specify warranty on parts, labor, compressor, etc.

Option for TRI MODE-S –Install new Duct System, install motorized air dampers on both units, install single duct off each unit and merge into one duct. Install supply grills to direct air flow to equipment. New Ductwork and Patchwork

1. Provide and install per SMACNA standards new ducting. A motorized counterbalanced air damper shall be installed in the duct work for each HVAC unit as to prevent back-flow to a non-active unit during normal operation.

Specify warranty on parts, labor, etc.

Option for TRI ASR - Both Duct Systems coat any rust with Rust Kill then MP-1 seal seams and cover all duct with Dura Bak Polyurethane Sealer or like product.

Electrical

Testing and Balancing

"subcontractor" as used herein denotes the person or firm retained by the Contractor to perform a particular unit of work required by the Contractor. Subcontractors shall be required to meet all specifications required of the Contractor.

The FAA will inspect all work in progress up to completion and final Contractor’s Acceptance Inspection (CAI) including all materials, tools, and equipment. Such inspection may extend to all or a part of the work for the preparation, fabrication or manufacture of the materials to be used. The FAA will notify the Contractor of any non-compliance with the contract specifications and/or drawings, and may reject workmanship or materials accordingly.

City/Town officials as necessary to perform the work, prior to starting construction, and in a timely manner to avoid delays in starting the job. The Contractor shall submit evidence that they have obtained all required permits, inspections, licenses, and/or certificates.

CONTRACTOR-FURNISHED MATERIAL AND EQUIPMENT

MATERIAL DELIVERIES

All material deliveries made under this contract shall be arranged for delivery to the Contractor's material staging area. This area shall be located as determined at the pre-construction conference.

STORAGE AND PROTECTION

The Contractor, through the FAA, shall secure from FAA all necessary clearances for storage areas on site, including any time limitations upon the use of such areas. The storage and protection of Contractor material shall be the sole responsibility of the Contractor. The Contractor shall provide at his/her own expense all fencing, shelters and security personnel as may be necessary for the protection of the material and equipment.

PERTINENT INFORMATION

Any pertinent information listed about the contractor-furnished material and equipment shall be submitted to the FAA.

EXECUTION

WORK SEQUENCE

General: The TRI ASR and TRI MODE-S are active operational facilities, which run 24 Hours each day, 7 days a week; therefore, all work shall be coordinated and accomplished on a “Not to interfere with FAA operations” basis. Removal/Replacement of the air conditioning units may deprive the equipment room air conditioning. The Contractor shall either coordinate work as to not lapse in providing cooling to the equipment, or provide temporary cooling while air conditioners are off line.

Many of the steps of this project can be done simultaneously or in a different order. A sequence of work shall be agreed upon by both the contractor and the FAA prior to beginning the project.

END OF SECTION