Sawmill Log Grades and Majority Specifications (from Grade Value Increase Rates
paper)Hardwoods
Log Grade |
MinimumTip Diameter |
Minimum Length |
Clear Faces |
Prime |
16" |
8' |
4 |
Select |
14" |
8' |
4 |
One |
12" |
8' |
3 |
Two |
12" |
8' |
2 |
Three |
10" |
8' |
1 |
Four |
10" |
8' |
0 |
White pine
Log Grade |
MinimumTip Diameter |
Minimum Length |
Clear Faces |
Prime |
16" |
12' |
4 |
Select |
14" |
12' |
3 |
One |
14" |
12' |
<1" red knot |
Two |
12" |
12' |
<2.5" red knot |
Three |
8" |
8' |
<2.5" red knot |
Four |
8" |
8' |
<4" red knot |
Red pine
Log Grade |
MinimumTip Diameter |
Minimum Length |
Clear Faces |
Prime |
16" |
12' |
4 |
Select |
14" |
12' |
4 |
One |
12" |
12' |
3 |
Two |
10" |
12' |
0 |
Three |
8" |
12' |
0 |
Four |
6" |
12' |
0 |
Spruce
Log Grade |
MinimumTip Diameter |
Minimum Length |
Clear Faces |
Prime |
13" |
12' |
4 |
Select |
13" |
12' |
1 knot |
One |
12" |
12' |
2 knots |
Two |
10" |
12' |
0 |
Three |
8" |
12' |
0 |
Four |
6" |
12' |
0 |
Hemlock
Log Grade |
MinimumTip Diameter |
Minimum Length |
Clear Faces |
One |
12" |
20' |
0 |
Two |
10" |
16' |
0 |
Three |
8" |
12' |
0 |
Four |
8" |
8' |
0 |
Hardwood Log and Tree Values (from NPV Appraisals paper)
Log Grade |
MinimumTip Diameter |
Minimum Length |
Clear Faces |
Mill $ per Mbf |
Stump $ per Mbf |
Prime |
16" |
8' or 10' |
4 |
880 |
760 |
Select |
14" |
8' |
4 |
720 |
600 |
One |
12" |
8' |
3 |
560 |
440 |
Two |
12" |
8' |
2 |
340 |
220 |
Three |
10" |
8' |
1 |
180 |
60 |
Four |
10" |
8' |
0 |
100 |
-20 |
Table 1.
Hardwood log grades with average specifications and prices for red oak in southern New England, spring 1995. Stumpage prices assume $120 per Mbf for logging and trucking.
8' Log |
Tip Diameter |
Log Grade |
bf Intn'l* |
$ per Mbf |
Log $ |
1 |
16" |
Prime |
85 |
760 |
65 |
2 |
14" |
Select |
65 |
600 |
39 |
3 |
12" |
One |
45 |
440 |
20 |
4 |
10" |
Two |
30 |
220 |
7 |
Totals: |
|
|
225 |
|
130 |
| |
|
|
|
|
|
$ per Mbf for Whole Tree: |
578 |
|
Whole Tree $ per Mbf / Second 8' Log $ per Mbf: |
96% |
|
*Ashley 1989 |
|
|
|
|
Table 3.
Estimated tree value for a red oak, tree grade 1, 18 DBH, 2 logs using log grade specifications and prices from Table 1. |