Prefabricated Steel Structure Mobile Aircraft Hangar In Philippines

Prefabricated Steel Structure Mobile Aircraft Hangar Project Case in the Philippines

 

Prefabricated Steel Structure Mobile Aircraft Hangar In Philippines

Prefabricated Steel Structure Mobile Aircraft Hangar Project Case in the Philippines: Key Considerations and Hypothetical Case Study

The Philippines, an archipelago prone to typhoons, seismic activity, and logistical challenges, presents unique opportunities for mobile prefabricated steel aircraft hangars. These structures are ideal for temporary deployments, disaster response, or flexible aviation operations. Below is a hypothetical case study tailored to Philippine conditions:

---

Project Background

• Client: Philippine Air Force (PAF) for rapid deployment in disaster-prone regions.

• Purpose: A relocatable hangar to house C-130 Hercules transport aircraft and helicopters during emergencies.

• Key Drivers: Mobility, typhoon/seismic resilience, and rapid assembly in remote areas.

---

1. Site Selection & Location

• Strategic Sites: Prioritize locations near disaster-prone areas (e.g., Eastern Visayas, Bicol) and existing airfields (e.g., Mactan-Benito Ebuen Air Base).

• Environmental Challenges:

  • Typhoon Winds: Designed for wind speeds up to 250 km/h (aligned with PAGASA’s Typhoon Signal #4).

  • Seismic Risks: Compliant with Zone 4 seismic requirements (high earthquake activity).

  • Flooding: Elevated foundations or modular base systems for flood-prone zones.

---

2. Design Specifications

• Mobile Prefabricated Steel Structure:

  • Modularity: Components designed for disassembly and transport via flatbed trucks or cargo planes.

  • Span & Height: 50m span, 12m height to accommodate C-130 aircraft (wingspan: 40m).

  • Lightweight Durability: High-strength steel (S355 grade) with hot-dip galvanization for corrosion resistance.

• Typhoon & Earthquake Resilience:

  • Wind Bracing: X-braced steel frames and aerodynamic sloped roofs.

  • Base Isolation: Seismic dampers and flexible bolted connections to absorb ground motion.

• Cladding:

  • Sandwich Panels: Aluminum composite panels with PU foam insulation (fire-resistant and lightweight).

• Mobile Hangar Doors:

  • Retractable Fabric Doors: Quick-deploy PVC-coated polyester doors with reinforced edges.

---

3. Regulatory Compliance

• Local Standards:

  • National Structural Code of the Philippines (NSCP): Compliance with typhoon wind loads (Chapter 2) and seismic design (Chapter 3).

  • CAAP Regulations: Airfield safety and clearance requirements.

  • DENR Environmental Compliance Certificate (ECC): Mitigate ecological impact in sensitive areas.

• International Standards:

  • ISO 21807 (aerospace hangars) and FEMA P-361 for disaster-resistant structures.

---

4. Foundation & Mobility

• Modular Foundation System:

  • Interlocking Steel Pads: Precast concrete or steel mats that can be anchored or disassembled.

  • Ground Screw Anchors: For soft soil (e.g., volcanic or coastal regions).

• Drainage: Permeable gravel beds and swales to manage monsoon rains.

---

5. Construction & Logistics

• Prefabrication Benefits:

  • 70% off-site fabrication (steel frames, cladding) in Manila or Cebu, reducing on-site time to 8–10 weeks.

  • Transport via Ro-Ro (roll-on/roll-off) ships for island-hopping delivery.

• Rapid Assembly:

  • Bolt-together components with color-coded guides for non-specialist military/contractor teams.

  • Crane-light assembly using mobile gantries.

• Local Partnerships: Collaboration with Filipino engineering firms (e.g., EEI Corporation) for groundwork.

---

6. Sustainability & Off-Grid Solutions

• Solar Power: Roof-mounted panels with battery storage for energy independence.

• Water Management: Rainwater collection systems and biofiltration for aircraft washing.

• Material Reuse: Design for 100% component recyclability post-decommissioning.

---

7. Security & Disaster Preparedness

• Typhoon Protocols:

  • Real-time weather alerts and rapid disassembly/relocation plans.

  • Aircraft tie-down points integrated into the floor system.

• Security:

  • RFID access control and motion-sensor lighting for remote sites.