(1) Estimate the total volume of masonry by multiplying together the
length, width, and height of the various sections (fig. 39).
_Length _Width _Height _Volume
_Section_ Feet_ Feet_ Feet_ Cubic feet_
_AB_ 6.0 by 2.75 by 12.66 = 209.0
_BC_ 4.25 by 2.5 by 1.66 = 17.6
_CD_ 3.5 by 2.0 by 2.0 = 14.0
_DE_ 3.5 by 1.75 by 10.16 = 62.2
_EF_ 4.33 by 2.5 by 6.0 = 65.0
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Total volume including voids 367. 8
(2) Estimate the total volume of voids by multiplying together their
length, width, and height.
_Length _Width _Height _Volume
_Item_ Feet_ Feet_ Feet_ Cubic feet_
Ash-pit 2.33 by 1.5 by 7.0 = 24 46
Fireplace 3.0 by 1.5 by 3.5 = 15.75
Smoke chamber 2.0 by 1.16 by 2.0 = 4.64
8½- by 13-inch flue[E] 0.78 square feet by 28 5 = 22.23
13- by 13-inch flue[E] 1.20 square feet by 18.75 = 22.50
8½- by 8½-inch flue[E] .50 square feet by 18.75 = 9.37
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Total volume of voids 98.95
[E] See table 2 for outside areas of flues in square feet.
(3) Subtract volume of voids from volume of masonry.
_Cubic feet_ Total volume, including voids 368 Total volume of voids 99
--- Total volume of masonry 269
(4) Multiply net volume of masonry by the number of brick per cubic foot.