Hytrans

Tankfarm explosion Buncefield, United Kingdom

Overflowing oil storage tank triggered a chain of explosions

A major fuel-air tankfarm explosion occurred near tank 912 at the Buncefield oil storage depot in the UK in the early morning of December 11th 2005. The tank overflow and triggered a chain of further explosions, ultimately involving 22 large storage tanks. Only 7 fuel tanks on site were not affected.

About half of the Buncefield complex is dedicated to the storage of aviation fuel for Gatwick, Heathrow and Luton airport. The remainder of the complex stores oil, kerosene, petrol and diesel fuel for petrol stations across much of the South-East of England.

Fixed water supply system damaged by explosion
Emergency services declared a major incident at 06:08 and began firefighting efforts using large quantity of foam. However, the fixed water supply system was damaged, and on-site water sources were insufficient for the planned response.

Water reservoir nearby
Firefighting experts identified a reservoir with a capacity of 35 million litres, located 1.8 km from the incident site. This source was inaccessible for conventional suction pumps, but Hytrans mobile systems provided the needed solution. Other water sources couldn’t be used or did not hold enough water to quarantee water supply for a longer period.

13 HydroSub 150 units in operation
At the water source, 6 Hytrans mobile HydroSub 150 units were installed. Each pump extracted 4200 liters per minute using a 6″ hoseline. This means in totaal 25.000 liters of water per minute (6600 GPM) was pumped from the reservoir.

Onsite, three additional HydroSub 150 units served as booster pumps to increase pressure to feed the monitors. Four HydroSubs were specifically used to pump away the enormous amounts of waste water.

Without the mobile units form Hytrans, this complete set-up would – at that time and situation – have taken 180 standard firefighting applications with at least double the personnel.

Thirty-two thousand litres of foam per minute were directed against the fire for just over four hours, after which the pumping rate was reduced. Half of the 20 individual fires were reported extinguished by midday.

33.000 meter of hose was used
Using HoseBoxes with 3,000 metres of hose each, 12 lines of 6” hose were deployed. In total, 33,000 metres of hose (which is over 3 times the height of the Mount Everest) were deployed within one hour. Recovery of all hose took approximately eight hours. The system performed a task that would normally require 160 firefighting vehicles.

Hytrans systems deployed on-site
  • 6 HydroSub 150 units as primary water source, 3 HydroSub 150 units on site used as a booster pump and 4 HydroSub 150 units to manage the waste water
  • 11 Hoseboxes with each 3000 metres of 6″ hose
    Deployed in only one hour and recovered in approximately 8 hours!
  • Adaptors, Y-pieces, gate valves to complete the aboveground water supply system


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Hytrans
Since 1988 Hytrans develops and manufactures hydraulically driven, mobile water transport solutions offering high-flow capacities and pressure capabilities. Hytrans' solutions are used by first responders worldwide for emergency response and disaster control.
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