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Demo Estimating

Discussion in 'Demolition' started by denis871, Feb 24, 2014.

  1. denis871

    denis871 Member

    Joined:
    Feb 22, 2014
    Messages:
    6
    Location:
    Illinois
    Does anybody have a rough figure for Lbs per SqFt. for wood homes and brick buildings????? If not what is the best way to figure.
     
  2. Wolf

    Wolf Senior Member

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    Location:
    California
    How old is the house? Are the walls plaster lath or sheet rock?

    :notworthy
     
  3. CM1995

    CM1995 Super Moderator

    Joined:
    Jan 21, 2007
    Messages:
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    Occupation:
    Running what I brung and taking what I win
    Location:
    Alabama
    A rough guide I use for residential demo is 1000 SF = 100CY, a 30CY can will average 6-9 tons per. This formula does not take into account slabs on grade or basements, just the SF of the house, you will need to estimate the foundation removal separately. If the house has personal contents the volume will go up. If the house is burned and it's the demo is wet, your tonnages will go up per can as the ashes and fines will weigh more.

    Point being this is a rough guide, something you can use to estimate the job and then adjust when the actual job cost numbers come in. Demo is a higher stakes game than estimating dirt, because you never know what you're going to get until you get started.:cool:

    When you say brick buildings do you mean brick veneer or structural masonry?
     
  4. cdm123

    cdm123 Senior Member

    Joined:
    Nov 12, 2009
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    270
    Location:
    manitoba canada
    Our locale dump is now charging buy the ton, what would bee the tonnage of a say 1000 sq ft wood framed single story house, old enough to have real 2x4 studs shiplap and Tung and groove in and out and an extra layer of dry wall?
     
  5. Landclearer

    Landclearer Senior Member

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    Location:
    Southeast
    I would say 25 to 30 tons without seeing it. When we bid a job , we try to figure a little heavy rather than get bit at the end with a bunch of dump fees.

    Chris
     
  6. CM1995

    CM1995 Super Moderator

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    Occupation:
    Running what I brung and taking what I win
    Location:
    Alabama
    I agree with Landclearer - 30 tons. That's roughly 5 - 30's at 6 ton average. 1k SF is roughly a 100 CY, so that gives you an overage in the bid. I couldn't agree more on not wanting to be bit at the end, been there and done that.
     
  7. cdm123

    cdm123 Senior Member

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    Nov 12, 2009
    Messages:
    270
    Location:
    manitoba canada
    Great thanks guy's