Double wall insulated ducting

Closed Solicitation Posted

Solicitation number
W911S226U4509
Agency
Responses due
Set-aside
Total Small Business

Opportunity facts

NAICS code
332322 Sheet Metal Work Manufacturing
Place of performance
McAlester Army Ammunition Plant 1 C-Tree Road, Building 6 McAlester, OK 74501 74501

Notice details come from SAM.gov. Updated .

About this opportunity

The Department of the Army Materiel Command Mission and Installation Contracting Command Fort Drum seeks procurement of a dual-wall insulated aluminum spiral duct system, with proposals due September 24, 2026. The procurement is a Total Small Business set-aside.

Place of performance is McAlester, Oklahoma (1 C Tree Road, Building 4). The procurement specifies a complete ductwork assembly comprising 140 feet of dual-wall spiral duct pipe (30-inch inside diameter, 34-inch outside diameter, 0.040-inch aluminum walls with 2-inch fiberglass insulation and internal I-beam spacers every 8 inches); four 90-degree elbows (5-piece gored construction); two 45-degree elbows (3-piece gored construction); one reducing lateral cross fitting (30-inch to 28-inch with two 12-inch diameter branches); 41 factory-installed AccuFlange aluminum connection systems; and 21 QuickDraw aluminum clamps with self-sealing rubber gaskets. All components must be aluminum with 2-inch fiberglass insulation at 1.5 lbs/cu. ft. density. The NAICS code is 332322, Sheet Metal Work Manufacturing; PSC code is 4520, Space and Water Heating Equipment.

The source notes the solicitation was amended to reduce the proposal due date.

Notice text

2 versions

Update #2 · Latest ·

amended to reduce days due to cut off. Salient Characteristics for the Dual-Wall Insulated Aluminum Spiral Duct System: 1. Dual-Wall Spiral Pipe Part Code: 39230 Description: Straight dual-wall, insulated spiral duct pipe. Inside Diameter: 30 inches Outside Diameter: 34 inches Wall Thickness: 0.040 inches for both inner and outer walls. Material: Aluminum. Insulation: 2-inch thick fiberglass with a density of 1.5 lbs/cu. ft. Spacers: Internal I-beam spacers every 8 inches to maintain duct separation. Quantity: 140 feet 2. 90-Degree Elbow Part Code: 3923090 Description: 90-degree bend for the duct system. Construction: 5-piece gored elbow. Inside Diameter: 30 inches Outside Diameter: 34 inches Bend Radius: 45-inch centerline radius. Material: 0.040-inch aluminum. Insulation: 2-inch thick fiberglass with a density of 1.5 lbs/cu. ft. Quantity: 4 3. 45-Degree Elbow Part Code: 3923045 Description: 45-degree bend for the duct system. Construction: 3-piece gored elbow. Inside Diameter: 30 inches Outside Diameter: 34 inches Bend Radius: 45-inch centerline radius. Material: 0.040-inch aluminum. Insulation: 2-inch thick fiberglass with a density of 1.5 lbs/cu. ft. Quantity: 2 4. Reducing Lateral Cross Fitting Part Code: 3012523 Description: A cross-shaped fitting that reduces the main duct size and has two branches. Main Inlet/Outlet: Reduces from 30 inches to 28 inches. Branches: Two 12-inch diameter branches at a 45-degree angle. Material: 0.040-inch aluminum. Quantity: 1 5. Flange System for Main Pipe Part Code: 302406 Description: Connection system (AccuFlange) for joining the 30 x34 dual-wall pipe and elbows. Function: Must be factory-installed on pipe and elbow ends for proper alignment and connection. Material: Aluminum. Quantity: 41 6. Clamp for Connections Part Code: 34241 Description: 34-inch QuickDraw clamp to secure the outer flange connections. Sealing: Must have a built-in self-sealing rubber gasket to ensure an airtight seal. Material: Aluminum. Quantity: 21 7. Flange for 28-inch Port Part Code: 286G Description: 28-inch aluminum flange. Function: Must be factory-installed on the 28-inch outlet of the reducing cross fitting. Quantity: 1 8. Flange for 12-inch Ports Part Code: 126G Description: 12-inch aluminum flange. Function: Must be factory-installed on the two 12-inch branches of the reducing cross fitting. Quantity: 2

Update #1 ·

Salient Characteristics for the Dual-Wall Insulated Aluminum Spiral Duct System: 1. Dual-Wall Spiral Pipe Part Code: 39230 Description: Straight dual-wall, insulated spiral duct pipe. Inside Diameter: 30 inches Outside Diameter: 34 inches Wall Thickness: 0.040 inches for both inner and outer walls. Material: Aluminum. Insulation: 2-inch thick fiberglass with a density of 1.5 lbs/cu. ft. Spacers: Internal I-beam spacers every 8 inches to maintain duct separation. Quantity: 140 feet 2. 90-Degree Elbow Part Code: 3923090 Description: 90-degree bend for the duct system. Construction: 5-piece gored elbow. Inside Diameter: 30 inches Outside Diameter: 34 inches Bend Radius: 45-inch centerline radius. Material: 0.040-inch aluminum. Insulation: 2-inch thick fiberglass with a density of 1.5 lbs/cu. ft. Quantity: 4 3. 45-Degree Elbow Part Code: 3923045 Description: 45-degree bend for the duct system. Construction: 3-piece gored elbow. Inside Diameter: 30 inches Outside Diameter: 34 inches Bend Radius: 45-inch centerline radius. Material: 0.040-inch aluminum. Insulation: 2-inch thick fiberglass with a density of 1.5 lbs/cu. ft. Quantity: 2 4. Reducing Lateral Cross Fitting Part Code: 3012523 Description: A cross-shaped fitting that reduces the main duct size and has two branches. Main Inlet/Outlet: Reduces from 30 inches to 28 inches. Branches: Two 12-inch diameter branches at a 45-degree angle. Material: 0.040-inch aluminum. Quantity: 1 5. Flange System for Main Pipe Part Code: 302406 Description: Connection system (AccuFlange) for joining the 30 x34 dual-wall pipe and elbows. Function: Must be factory-installed on pipe and elbow ends for proper alignment and connection. Material: Aluminum. Quantity: 41 6. Clamp for Connections Part Code: 34241 Description: 34-inch QuickDraw clamp to secure the outer flange connections. Sealing: Must have a built-in self-sealing rubber gasket to ensure an airtight seal. Material: Aluminum. Quantity: 21 7. Flange for 28-inch Port Part Code: 286G Description: 28-inch aluminum flange. Function: Must be factory-installed on the 28-inch outlet of the reducing cross fitting. Quantity: 1 8. Flange for 12-inch Ports Part Code: 126G Description: 12-inch aluminum flange. Function: Must be factory-installed on the two 12-inch branches of the reducing cross fitting. Quantity: 2

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