Post by herrbrinkmann on Feb 7, 2008 7:30:43 GMT -8
As fire as I know a sprinkler system must always be released manually. Otherwise you always set your trucks under water if you have a false alarm. A high fog is only installed in special areas as it is extremely expensive. I don´t have further infos yet, if there will be, I´ll try to post.
Post by Northern Exploration on Feb 7, 2008 9:50:29 GMT -8
Are high fog and Halon systems the same thing? I know engine rooms that are sealed and have a separate manned control room often use halon or carbon dioxide and I believe that isn't good to use when people may be present. Basically smothers the fire and anything else inside. So this couldn't be used on a vehicle deck I would imagine because there is exhausting and ventilation and people may get trapped. The amount required would be also be massive.
I know in most restaurant exhaust hood systems there is a high pressure water fogging system to extinquish any fire on the stove/grills and also in the grease accumulated inside the vent and grease trap. I was eating in a restaurant where the system malfunctioned and everything on the stove got ruined. We already had our main course so we were ok. We had to evacuate briefly while they made sure there wasn't a fire up in the ventilation system.
They have talked about these sort of systems for tunnels as well after that horrific inferno a while back somewhere in Europe. However again the volume of water needed would be massive.
As an asside actually there is talk of making some sort of water or fog sprinkler system mandatory in new condos and even in new homes.
Queen of Prince Rupert at Bear Cove - Thankyou for your years of service
Post by herrbrinkmann on Feb 7, 2008 11:53:14 GMT -8
Halon/CO2 is different from high-fog. CO2 can only be used in compartments of limited size and closed like engine rooms. You have to flood the whole compartment with CO2 to extinguish the fire. Before that, every oxygen breathing human being must be evacuated. The reason to have CO2 is, that you can definitively kill the fire if all ventilation and doors are closed and you do not harm all the engines by water. But you have to have a very large room with some hundred bottles of CO2. High-Fog does not need much water as it works with high pressure. The water is pressed through special nozzles and you get a water fog which is very efficient. [ftp]
Post by D'Elete BC in NJ on Feb 12, 2008 12:26:26 GMT -8
pnwtraveler said:
Are high fog and Halon systems the same thing? I know engine rooms that are sealed and have a separate manned control room often use halon or carbon dioxide and I believe that isn't good to use when people may be present. Basically smothers the fire and anything else inside. So this couldn't be used on a vehicle deck I would imagine because there is exhausting and ventilation and people may get trapped. The amount required would be also be massive.
There is a big push to eliminate halon extinguishers due to their not so environmentally friendliness. I know the aircraft manufacturers have been experimenting with alternative systems for a while now, though I must admit I am unsure as to where the technologies stand in development.
I know in most restaurant exhaust hood systems there is a high pressure water fogging system to extinguish any fire on the stove/grills and also in the grease accumulated inside the vent and grease trap. I was eating in a restaurant where the system malfunctioned and everything on the stove got ruined. We already had our main course so we were ok. We had to evacuate briefly while they made sure there wasn't a fire up in the ventilation system.
Often, the system used over the grill is actually based on baking soda. There are less chances of flare-ups with grease-based fires than if water is used. You really know when these systems go off; the baking soda tends to get into everything!
As an aside actually there is talk of making some sort of water or fog sprinkler system mandatory in new condos and even in new homes.
This has been pushed for many years, but here are a lot of cost negatives to the systems that have limited their use in spite of their obvious life saving potential. Trust me, like the commercial fire system failure in the restaurant you visited, I have cleaned up after too many malfunctions not to understand why the insurance lobby has not pursued them with vigor!
That said, however, many jurisdictions now require sprinklers in multi-unit residential buildings...GVRD being one...and commercial buildings have strict guidelines to meet if they wish to opt out of being sprinklered.
Post by yardobserver on Mar 3, 2008 3:50:08 GMT -8
Firefighting in a RoRo-vessel can always be very difficult. That depends on the freight the trucks have loaded. If there is any burning liquid, water will spread the fire on a large surface. I will not think about fighting with water against a fire of solid material and a trucks fuel tank bursts!
The UND Adriyatik is now in Trieste. FSG-Specialists have examined the vessel. They found every deck damaged except the engine room! Engines, drive shafts and generators are intact! FSG can be very proud on it and on the fact, that the accident did not cause any environmental damage. And naturally we all are glad that no humans were heavily hurt.
Last Edit: Mar 3, 2008 3:55:40 GMT -8 by yardobserver
Post by Northern Exploration on Mar 4, 2008 7:49:04 GMT -8
Nice to see the shipbuilding hall cathedral doors open. I missed all the exciting lifts with this ferry. I enjoy seeing the the larger pieces being lifted into place. It is usually done while I am sleeping unfortunately.
Queen of Prince Rupert at Bear Cove - Thankyou for your years of service
That Ro-Ro vessel is really coming along now. The paint on the superstructure appears to be more or less complete, aside from missing a name. But the hull still needs a spray. Her Deckhouse has also arrived within the last hour or two as well.
Post by herrbrinkmann on Mar 14, 2008 21:29:30 GMT -8
ferrynutseattle said:
For Mr. Brinkmann:
Does wind play a key role in deciding when the large deckhouse is hoisted and installed? I saw quite a bit of wind on launch day.
Congratulations on, yet, another exciting and successful launch!
You are right. if there is too much wind, we can not install the house. I don´t know exact figure but I also haven´t seen the floating crane yet... Maybe they do it beginning next week.
Post by ferryrider42 on Mar 18, 2008 13:05:01 GMT -8
Was just looking thru Brinkmann’s youtube favorites, and wanted to bring to everyone’s attention a neat video of that Turkish Ro-Ro fire a few months back.
This video in particularly is interesting because it features a Canadair water bomber making a few passes; enjoy.