Attachment 2 - Salient Characteristics.pdf

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Adiabatic Fluid Cooler for Joint Base Charleston
Solicitation number
FA441825Q0032
Issued by

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This document is a Salient Characteristics file for an Adiabatic Fluid Cooler Replacement project at Joint Base Charleston Air Base in South Carolina, dated 22 April 2025. The procurement requires a specific adiabatic, closed-loop fluid cooler with detailed technical specifications, including 3ph/60hz/460V voltage, BacNet/MSTP unit controller compatibility with Trane Ensemble energy management system, and air debris inlet screens. Key performance requirements include fluid temperature ranges (95.30°F entering, 85.00°F exiting), 20% propylene glycol fluid type, and capacity specifications of 756-832 MBH with a flow rate of 152-167 GPM.

The document specifies dimensional limitations of 8.5' wide by 18' long with no height restrictions and lists the Nimbus model VRGA022.0-EC-4 as the basis of design, with an "OR EQUAL" provision. The cooler will be delivered for government installation, with warranty to be provided by the equipment manufacturer. The project is part of a federal contract opportunity (Solicitation Number: FA441825Q0032) issued by the Department of the Air Force Air Mobility Command for Joint Base Charleston.

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Other files

File Type Posted
Attachment 3 - RFQ Fill-in Sheet.pdf PDF
Attachment 1 - Provisions and Clauses.pdf PDF
Combined Synopsis_Solicitation - Adiabatic Fluid Cooler.pdf PDF

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CUI

DEPARTMENT OF THE AIR FORCE

HEADQUARTERS 628TH AIR BASE WING (AMC)

JOINT BASE CHARLESTON SC

CUI

Salient Characteristics

DKFX 2025 – Adiabatic Fluid Cooler Replacement

Joint Base Charleston Air Base

South Carolina 22 April 2025

Description: The project consists of providing an adiabatic, closed loop fluid cooler, delivered for Government installation. This project does not require any contractor installation.

Cooler Requirements:

• Cooler Type: Adiabatic Cooler

• Voltage: 3ph/60hz/460V

• BacNet/MSTP Unit Controller o Compatible with Trane Ensemble (Base Energy Management Control System)

• Air Debris inlet screens for coil protection

• Nema 4X Control Panel / Electrical connection Env Rating

• Listed Conditions:

o Fluid Temperature entering cooler: 95.30°F o Fluid Temperature exiting cooler: 85.00°F o Fluid Type: 20% Propylene Glycol o Dry Bulb Temp: 95.00°F; Wet Bulb Temp: 80.00°F

• Min/Max capacity at Listed Conditions: 756 – 832 MBH

• Min/Max Flow Rate: 152 - 167 GPM

• Dimension Limitations: 8.5’ wide x 18’ long. No height restriction.

Required Warranty Period:

By Equipment Manufacturer

Basis of design:

Nimbus model VRGA022.0-EC-4 *OR EQUAL*

File details come from the government source that posted it. Updated .