Hangars

AIRCRAFT HANGARS

Chemical-Free Alternative to AFFF Fire Protection Systems

  • NEW BUILD
  • RETROFIT

HANGAR TYPE

The Safespill floor for hangars contains and removes ignitable liquid spills before developing into a pool fire. When a spill occurs, the liquid flows into the hollow floor profiles through specially machined drain holes on the top surface. The internal flushing and suction system then pumps the contained liquid into external containment.

BENEFITS

  • Solution for new build and existing retrofit (military and commercial) hangars
  • FM approved, under standard 6090
  • PFAS-free with no environmental risk because it is a 100% closed system, using only water
  • No risk of accidental foam discharges that destroy aircraft components and avionics
  • 5-year warranty with optional renewal

INSTALLATION

  • On average 20-30 days, dependent on aircraft type, quantity, and hangar type and size
  • Minimized downtime
  • Solutions available to avoid cutting or modifying existing concrete substrate

FEATURES

  • Safespill floor is only needed to cover, on average, 65% of the hangar
  • Safespill floors account for a spill from the edge of an aircraft fuel tank or engine (lateral discharge)
    safespill
  • Reference pg.14 of NFPA 409 Test Report for the Spill Area Map
  • Integrated stainless steel FOD screen
  • fod-screen

Power Requirements

  • Centrifugal pumps to remove the spilled liquid
  • 480V/460V for centrifugal pumps and control panel

Water Requirements

(Not Fire Water)

  • 180 GPM (max), including a booster pump that ensures the correct pressure
  • The Safespill floor is designed to utilize municipal water supply.

Weight Capacity

  • A 9” x 16” Safespill floor area can handle 96,000 lbs.
weight capacity

Spill Containment Tank

  • Spilled liquid and flushing water need to be pumped to temporary spill containment.
  • Tank capacity is driven by spill size and drain time.

Spill Containment Calculation Example for a Single B-52 Hangar
Worst Case Scenario (WCS)

Largest Potential Spill 5,928 gallons Based on aircraft’s largest fuel tank
WCS Spill Flow Rate 400 GPM Based on a 4” valve failure or 4” puncture in diameter
Drain Time 5,928 / 400 = 15 min. (Round up to 30 min. for WCS)
WCS Flushing Water 180 GPM / 30 min. = 5,400 gallons
∴ Spill Containment Tank 11,328 gallons Minimum tank capacity
UL-142 Double-Wall 15,000-gal Steel Tank

UL-142 Double-Wall 15,000-gal Steel Tank – Image shown for reference only.

  • Safespill recommends a 15,000-gallon UL-142 double-wall horizontal steel tank, based on a conservative assessment in the above calculation.

Dropped Wing Tank Simulation

This test simulates what happens when a wing tank full of JP-4 drops and instantly releases ignited jet fuel onto the Safespill floor. Fuel is JP-4 equivalent, consisting of
66% kerosene and 33% gasoline.