138 BULLETIN 414, U. S. DEPARTMENT OF AGRICULTURE. 
The cost of these buildings complete, including painting, is approxi- 
mately 6 cents per cubic foot. For all the purposes of a camp of 40 
convicts 10 of the 18-foot units are required, as follows: 
For sleeping quarters of convicts 3 
For kitchen and mess 3 
For storehouse 1 
For bathhouse 1 
For office and superintendent's quarters 1 
For quarters for foremen and guards \ 
Total 10 
With lumber at $20 per thousand, carpenters' labor at $2.50 per 
day of 10 hours, foreman's wages at $4 per day of 10 hours, and prices 
of hardware and miscellaneous supplies as in Fulton County, Ga,, the 
cost of the complete equipment of 10 sections will be approximately 
$1,900, itemized as follows: 
Lumber, 27,800 board feet, at $20 per M $556 
Hardware 397 
Sashes, screens, and roofing 284 
Carpenter, blacksmith, and machinist labor 400 
Paint and painters' labor 263 
Total cost 1. 900 
The cubic contents of the 10 buildings are 32,400 cubic feet. There- 
fore the principal items of cost per cubic foot are: 
Lumber SO. 017 
Hardware 012 
Sashes, screens, and roofing 009 
Carpenter, blacksmith, and machinist labor 012 
Paint and painters' labor 008 
Total cost per cubic foot 058 
It is estimated that the economic life of these buildings will be not 
less than five years, and upon this basis, with interest at 6 per cent 
per annum, it may be determined that their cost will not exceed 3.4 
cents per convict per calendar day. 
Complete plans and specifications for all-metal portable buildings 
and for buildings with metallic frames and canvas roof and sides are 
contained in a joint bulletin of the North Carolina State Board of 
Health and State Highway Commission. 1 
1 Joint Bui. No. 57, N. C State Board of Health and State Highway Com.: "The Sanitary and Hygienic 
Care of Prisoners." 
