478 



APPENDIX B 



The following table gives converting factors adopted by the U. S. Forest Service 

 for products of various classes and dimensions: 



TABLE LXXVI 

 Converting Factors, Piece Products to Board Feet 



Product 



Long cord (acid wood, 

 pulpwood, and dis 

 filiation wood) .... 



Cord (spruce pulp' 

 wood) 



Cord (shingle bolts) . . . 



Cord (fuel material 

 averaging 5 inches or 

 less in middle diame- 

 ter) 



Cord (fuel material 

 averaging 6 inches or 

 more in middle diam- 

 eter) 



Load (in the rough) * . . 



Pole (telephone) 



Pole (telephone) 



Pile 



Stull 



Tie (standard) 



Tie (2d class) 



Tie (narrow gauge) . . . 



Tie (narrow gauge) . . . 



Tie (narrow gauge) . . . 



Tie 



Tie 



Derrick pole 



Derrick set (11 pieces) 



Assumed 

 dimensions 



4' X5' X8' 



4' X4' X8' 



4' X4' X8' 



4' X4' X8' 



4' X4' X8' 



4' X4' X8' 

 1 cord 

 7"X30' 

 9"X30' 

 7"X30' 

 10"X16' 

 6"X8"X8' 

 6"X7"X8' 

 6"X7"X6' 

 7"X8"X6J" 

 6"X7"X6J' 

 7"X8"X8' 

 7"X9"X8' 

 7"X30' 



Equiv- 

 alent in 

 board 



feet 



625 



560 

 600 

 333* 



500 



333* 

 60 



100 

 60 

 60 

 30 

 20 

 15 

 25 

 15 

 30 

 35 

 60 



480 



Product 



Trestle timber 



Trestle timber 



House log 



House log 



House log 



Mining timber 



Prop 



Converter pole 



Pole (fence) 



Pole (fence) 



Lagging (6 pieces) . . . 

 Cubic foot (round) . . . 



Rail (split) 



Piece 



Stick 



Slab 



Post 



Post (circumference, 



18 inches) 



Post 



Linear foot 



Brace 



Stay (fence) 



Stay 



Shake (roof) 



Shake (fruit tray) .... 



Picket 



Stake (fence) 



Assumed 

 dimensions 



10"X20' 



7"X12' 



8"X16' 



7"X16' 



7"X10' 



6"X10' 



6"X10' 



4"X20' 

 16' 



4"X20' 



3"X6' 



I pole 



6"X7' 



6"X7' 



2"X6"X16' 



6"X7' 



5.7"X7' 

 5"X7' 

 10" X 1' 

 4"X6' 

 2"X6' 

 4"X6' 

 j"X6"X2' 

 A"X5"X32" 

 3"X5' 

 3"X5' 



Equiv- 

 alent in 

 board 

 feet 



70 



20 



30 



30 



15 



10 



10 



10 



8 



10 



10 



6 



5 



7 



7 



2 



7 



6 

 5 



S 

 i 



1 



1 



* This refers to small irregular pieces of wood and not to material that can be ricked for 

 measurement. 



