Foam Handling: a journey from the past to the future… Summit/Martin Neuhaus Lastfire... · Foam...
Transcript of Foam Handling: a journey from the past to the future… Summit/Martin Neuhaus Lastfire... · Foam...
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Foam Handling: a journey from the past to the future…
Martin Neuhaus Gelsenkirchen Refinery
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Foam handling the last years:
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Gelsenkirchen Refinery
GE-Horst GE-Scholven
11 km
Founded: 1929 Capacity: 12,7 mio t/a
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The fire brigade BP Gelsenkirchen
• Only full time, full professional fire brigade
• Staffing: 82
― Station Horst: 9 (on shift)
― Station Scholven: 13 (on shift)
• Equipment: 5 foam pumpers, 2 aerials, 4 hook-up trucks, 23 POD
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2005
• 2 Trailers: 41.000 l 3x3 ARFFF + 5000 l syntetic foam (SF) for liquid ammonia
• 6 “POD” (platform on demand) 88.000l 3x3 ARFF
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2012 switch to 1 X 3 % ARFFF concentrate
After some mutual aid responses switch to 1 X 3 % ARFFF concentrate
• Instead of 2 trailers 3 „POD“ 32.000 l 1 X 3 % ARFFF and 1 with 8000 l SF
• Less volume, longer operation time, more flexibilty, no maintenance need
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“new” labels
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2014 PFC-enactment by the state NRW
• Foam concentrate with fluorine content is prohibited for training and testing!
• Strong regulations for fire water run of and treatment
• filtration with activated carbon or dispose. (with costs from about 200,- € /m³)
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Uncertainty
Safety first!...?
Foam or not to foam…?
Why did you use foam? Was it really necsessarry?
It was only a spill!!! You know about the problems
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The quick solution:
• Foto der Kanister
• Each foam pumper 2 x 20 l Cans = 40 l 1 % SF
• Foam nozzle: 800 l /min, expansion ratio 1:50
• 200m³ foam in 5 minutes
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Change in the philosophy
Fixed foam systems:
• Availabilty aging facility
• Lessons learnd from Incidents
Conclusion:
Focus on mobile and semi fixed systems
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Order from the District government:
? ? ?
Present me a concept how to deal with the
contaminated waste water after a foam attack!
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Research:
Bachelor thesis:
• Laboratory scale tests
• Removal of 99,3 % total PFC
Next planned steps:
Tests with a 1:1 container system
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Ruhr Oel GmbH- BP Gelsenkirchen Werkfeuerwehr
New foam pumpers: fit for the future?
Requirements:
• Prepared for worst case scenarios 4000 l ARFFF
• Prepared for future foam
• Aspirating foam equipment
• Proportion rate min. 0,1 %
• Prepared for safe operations
• Training modus
• Easy to operate (failure resistance)
What we get:
• Standard foam system: 2 pumps 30 l + 360 l /min
• Additional 400 l SF (primary idea was training foam)
• Build in documentation system
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Pump panel:
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Documentation:
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? Uncertainty ?
What would the chief tell me?
Which foam should I use…?
Why did you use ARFFF? Was it really necsessarry?
It was only a spill!!! You know about the problems
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When to use what? Policy
Syntetic foam:
• Fires up to 400 m²
• Vapor surpression -> MEX
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Din EN 131568 (Fixed fire-fighting systems – foam systems)
Applikation rate Q = qth * ƒK * ƒO
qth minimum applikation rate: 4 l/m² /min
ƒK foam rating IIIC: 1,75
ƒO factor for object: 1
Q = 4 l/m²*min * 1,75 * 1 = 7 l/m² / min
Capacity of foam pump: 30 l / min
1 % foam concentrate 3000 l/min solution
3000 l/min / 7l/m² /min = 428 m²
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A= 165 m² text= 3 min Q=1400 l/min apprate: 8,6 l/m²/min
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Official policy:
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Summery
• Yes, there are alternatives to ARFFF, also in Refineries, but not for all cases!
• There is no single solution!
• Risk assessment is necessary!
• Make it easy for the guys (night at 3 am)
• Have an eye for the future
You only have one try and you don’t know when!
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Equipment
Foam
Hardware
People
Training
Leadership
Knowledge
Risks
Tactics
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