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This horse barn and arena is designed for a variety of 
uses. To construct a building easily adaptable for different 
uses, it must be post free; that is, free of interior posts. 
This 60-foot-wide and 140-foot-long barn is designed 
for low-cost pole or post construction. It is sheathed with 
metal roofing and siding. The working drawings include 
construction details for building the trusses; the total load, 
live plus dead, equals 32 pounds per square foot. There is a 
10-foot spacing between each truss. The proper camber 
may be introduced by raising the lower chord 1” inches 
at the center during fabrication. 
When making the truss all lumber should be structural 
grade with minimum allowable working stresses in 
pounds per square inch as follows: 800 PSI compression 
parallel to the grain, 1,200 PSI extreme fiber in bending, 
and 1,600,000 PSI modulus of elasticity. 
Complete working drawings may be obtained from the extension 
agricultural engineer at your State university. There may be a small 
charge to cover cost of printing. 
If you do not know the location of your State university, send your 
request to Agricultural Engineer, Extension Service, U.S. Department 
of Agriculture, Washington, D.C. 20250. He will forward your request 
to the correct university. ORDER PLAN NO. 6171, HORSE BARN AND 
ARENA. 
Washington, D.C. 
UNITED STATES DEPARTMENT OF AGRICULTURE 
Plan No, 
(3 SHEETS) 
6171 
PULLEY 
NYLON ROPE 
'Y" CONNECTION 
SNAP LATCH 
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WALL SECTION 
LATCH CATCH 
METAL SIDING 
Issued August 1976 
Miscellaneous Publication No.1332 
For sale by the Superintendent of Documents. U.S. Government Printing Office, Washington, D.C. 20402 
Price 35 cents; 25% discount allowed on orders of 100 or more to one address 
Stock No. 001-000-03551-7 
Catalog Number A 1.38:1332 
There is a minimum charge of $1.00 for each mail order 
