Sunday, January 18, 2009

ESTIMATES OF MATERIALS(formworks and nails)


ESTIMATES FOR BF WOOD
FORMWORKS:

1. Form Lumber = 110-140 bf / cubic meter of concrete

2. Form ply wood = 0.8 pieces of 4’x8’ plywood form per cubic of concrete.

3. Assorted Nails= 1 keg of assorted nails per 2000 bf of nailing surface.

Legend:
45 kilos of nails = 1 keg
1 keg = 100 lbs. = 45 kg.





FORMULAS TO FIND APPROXIMATE NO. OF NAILS REQUIRED ( REF. U. S. ARMY ENGINEER FIELD DATA)


No. of pounds ( 12d + 60 d, framing) = d /6 x bf/ 100




No. of pounds (2d + 12 d, sheathing) = d/ 4 x bf/100



Where:
d = Size of desired Nail in Pennies
bf = Total Board Feet to be nailed
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2 comments:

  1. Gil S, CagalawanMarch 9, 2013 at 1:32 AM

    Thanks for this very informative blog. It helps me a lot in construction estimates. However, I would like to ask a little detail in plywood estimates per volume of concrete. You wrote, 0.8 pcs per cubic of concrete? per cubic foot or cubic meter. Is it .8 pcs or 8 pcs? Thanks.

    Gil
    Life 4 Water, Inc.

    ReplyDelete
  2. UnknownDecember 25, 2018 at 7:09 PM

    thank you very much for your inputs. very helpful in quantity estimates, as well as budgetpreparation.

    ReplyDelete

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