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Bucket mounted ventilation saw?

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  • #16
    After reading some of the possible solutions to the questions posed by this thread I think there are still a few things that need to be addressed-

    With the Cobra tool you have a whole big bag of new things to deal with even if you can justify the cost, such as:

    Support-after a quick scan of the website I learned this is a Swedish company. Do they have a US Dealer? If so do they maintain/repair the equipment or just sell it? If not can you justify either sending someone to Sweden to learn all this or have someone come to you to do it? From the list of orders there are only 2 US Fire Depts. that have ordered one. Maybe you ought to ask them what they think about the equipment. Also what is the "media"? Is it the same as used in sandblasting or is it something you can only get from the manufacturer? ($$cha-ching$$)

    Space-looking at the pictures it looks like you'd give up an entire compartment for the equipment or if it was mounted in the bucket there might be room for a firefighter leftover. maybe.

    Weight-not of the equipment, of the water. At the advertised rate of 50 liters per minute, (about 12 and a half gallons for those who'd rather skip the math) you add about 100 pounds per minute into the space over the heads of the crews working inside. Even without the equipment damaging the sheetrock, or worse yet drop, ceiling, it's still not going to take long for all that to come down on someone's head(s). Also, and this may not be an entirely correct comparison but it gets the point across, have you ever seen someone from an interior crew AFTER some nitwit pointed a hoseline, or worse yet ladder pipe, through a vent hole? They are usually pretty cranky, and looking for whoever is responsible for par-boiling them.

    Finally, and this basic problem crops up in ALL solutions to cutting from the bucket, if by some miracle you run into the "ideal" conditions (the water from the tool turns 100% to steam and doesn't damage the ceiling), How are you going to open that ceiling from the bucket?? Move the bucket over the hole and use a 16' or 20' pike pole?

    The problems with a pole mounted hydraulic saw have mostly been addressed.

    Anything with a 7" or 8" circular saw blade is only going to give you a couple inches of cutting depth. What happens when you get to that place that has been tarred a few dozen times over the years? Or the one where the owner just put down the plywood, tarpaper and shingles over the old roof? Twice, or three times? Yes, it does happen.

    So I guess by now anyone reading this has figured out that my personal opinion is that you can't beat putting down a roof ladder, hooking in your ladder belt and firing up a good old chain/vent/rotary saw and cutting a hole then poking a 6' pole through and opening the ceiling. If the roof is too spongy to get on and do it that way then the structure will most likely vent itself very soon and you should get off the roof.....NOW!


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    • #17
      Originally posted by tripperff
      So I guess by now anyone reading this has figured out that my personal opinion is that you can't beat putting down a roof ladder, hooking in your ladder belt and firing up a good old chain/vent/rotary saw and cutting a hole then poking a 6' pole through and opening the ceiling. If the roof is too spongy to get on and do it that way then the structure will most likely vent itself very soon and you should get off the roof.....NOW!
      hehe

      I'll have to agree. But it's still interesting to consider alternatives, as unconventional as they might be.
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