Table of Percentage Differences

1 2 3 4

_Year_ _Frame_ _Brick_ _Veneer_ _Tile_ _Stucco_

---- ----- ----- ------ ----- ------

1910 0.0% 9.1% 6.9% 10.7% 2.9%

1913 0.0% 8.1% 5.9% ..... 4.0%

1915 0.0% 6.9% 4.9% ..... 1.6%

1919 0.0% 5.1% 4.4% 6.5% 0.1%

[Illustration: Face Brick Store Front, Birmingham, Ala. W. M. C.

Weston, Architect]

These figures represent from nine to twenty-two bids in each

case, on which the average is given. Different contractors in

the same place and different parts of the country sometimes

show considerable divergence, but in view of the wide territory

from which these bids have been gathered and the time covered,

the averages may be taken as indicative of about the constant

percentage of difference in initial cost.

A manual of face brick construction · 第 53 / 156 题