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Statement of Work 714 North Hangar Door Plug Bldg 714 736 AMXS Dover AFB 10 December 2025
| Characteristic |
| Description |
| 1. Purpose & Function |
| The purpose of this procurement is to acquire an inflatable hangar door plug system for Hangar 714 North. The hangar's current aperture doors are fitted for C-5 aircraft, creating significant air gaps when a C-17 is in hangar. This condition prevents C-17 maintenance operations during winter months due to the inability to maintain a climate-controlled environment and the risk of pipes freezing. The required plug must create an effective thermal and weather seal around the fuselage of a C-17 to resolve this issue, enabling year-round maintenance capability and preventing damage to hangar infrastructure. |
| 2. Installation & Compatibility |
| - The system must be installed on the existing hangar doors of Building 714 North using a bolt-on, corrosion-resistant aluminum rail system (keder rail). - The plug's edges shall feature a reinforced Keder seam for secure retention in the rail. - Installation of the rail must not interfere with normal hangar door operation. Installation shall require a crew of no more than two (2) people and require no specialized training. |
| 3. Materials & Construction |
| - Fabric: The inflatable body shall be constructed from a high-strength, lightweight, fire-retardant (FR) technical fabric. The material must be resistant to puncture, UV degradation, and common aviation fluids including fuel, oil, and hydraulicl. - Rails: The Keder rails shall be made of high-grade, corrosion-resistant aluminum. |
| 4. Performance |
| - The inflation system shall fully inflate the plug in under three (3) minutes. - The plug shall operate effectively in a temperature range of -22°F to 158°F (-30°C to 70°C). - The fully installed system must withstand wind loads of up to 50 MPH without damage or deflation. |
| 5. Portability & Storage |
| - The entire system (plug and accessories) when packaged for storage must not exceed a weight of 85 kg (approx. 187 lbs). - The dimensions of the stored package shall be approximately 100cm x 80cm x 70cm. |
| 6. Safety |
| - Fabric must meet or exceed NFPA 701 standards for fire retardancy. - The inflation blower must be electrically safe (110V AC), guarded, and include a pressure relief valve to prevent over-inflation. |
| 7. Warranty |
| - The contractor shall provide a minimum 12-month warranty covering all parts and labor for material defects and workmanship or equal to industry standards. |
| 8. Kit & Delivery |
| The delivered system must be a complete kit, including: - Inflatable Door Plug - Electric Blower (110V AC) - All required Keder rails and mounting hardware - A durable storage bag - An on-site repair kit for minor punctures - Laminated, weatherproof installation and re-packing instructions. |
