Log Grade Rules

Question 1

Grade Code Z (Code R)

Answer 1

1. A log where:
   a. heart rot or hole runs the entire length of the log and the residual collar of the firmwood constitutes less than 50 percent of the gross scale of the log,
   b. rot is in the log and the scaler estimates the net length of the log to be less than 1.2 m, or
   c. sap rot or charred wood exists and the residual firmwood is less than 10 cm in diameter at the butt end of the log.
2. That portion of a log that is less than 10 cm in diameter or that portion of a slab that is less than 10 cm in thickness.

Question 2

No 1 Lumber Balsam and Hemlock, Grade Code D (grade rule)

Answer 2

A log 5m or more in length and 33 cm or more in radius where at least 75 % of the gross scale can be manufactured into merchantable lumber and at least 50% of that lumber will be clear.

Question 3

No. 2 Lumber Balsam and Hemlock, Grade Code F. (Grade Rule).

Answer 3

A log 5m or more in length and 25 cm or more in rads where at least 75 % of the gross scale can be manufactured into merchantable lumber and at least 25 % of that lumber will be clear.

Question 4

No 2 Sawlog Balsam and Hemlock, Grade Code H (Grade rule)

Answer 4

A log 5m or more in length, and:

19 cm or more in rads where at least 75% of the gross scale can be manufactured into lumber and at least 65% of that lumber will be merchantable.

Otherwise, Grade Code D or F, 25 cm or more in rad, where at least 50% of the gross scale can be manufactured into merchantable lumber and at least 25 % of that lumber will be clear.

Question 5

No. 3 Sawlog Balsam and Hemlock, Grade Code I

Answer 5

3.8m or more in length and 19 cm or more in radius where at least 75% of the gross scale can be manufactured into lumber, and at least 50% of that lumber will be merchantable
or
Otherwise, Grade code H, 5m or more in length and 19 cm or more in radius, where less than 75 % but at least 50% of the gross scale can be manufactured into lumber and at least 65 % of that lumber will be merchantable.

Question 6

No.4 Sawlog Balsam and Hemlock, Grade J

Answer 6

A log 5m or more in length and 8 to 18 cm in radius where at least 75% of the gross scale can be manufactured into lumber and at least 50% of that lumber will be merchantable.

Question 7

No.5 Chipper Balsam and Hemlock, Grade U

Answer 7

• 5m or more in length
• 5 to 7 cm in radius where at least 75% of the gross scale can be manufactured into lumber
• 8 to 18cm in radius were at least 66% of the gross scale can be manufactured into lumber
• 3.8 m or more in length and 19 cm or more in radius where at least 50 % of the gross scale can be manufactured into lumber and at least 35 % of that lumber will be merchantable.

Question 8

No.1 Lumber Cedar, Grade Code D

Answer 8

A log 5m or more in length and 30 cm or more in radius, or a slab 5m or more in length, 25 cm or more in radius and 38 cm or more in thickness, where at least 75 % of the gross scale can be manufactured into merchantable lumber and at least 50 % of that lumber will be clear.

A log 5m or more in length and 60 cm or more in radius where at least 66% of the gross scale can be manufactured into merchantable lumber and at least 50 % of that lumber will be clear.

Question 9

No.2 Lumber Cedar, Grade Code F

Answer 9

A log 5m or more in length and 25 cm or more in Radius, or a slab 5m or more in length, 25 cm or more in radius and 38 cm or more in thickness, where at least 75% of the gross scale can be manufactured into lumber and at least 25 % of that lumber will be clear.

Question 10

No.2 Sawlog Cedar, Grade Code H

Answer 10

A log 5m or more in length and 19cm or more in radius where at least 75% of the gross scale can be manufactured into lumber and at least 65% of that lumber will be merchantable.

Question 11

No.3 Sawlog Cedar, Grade Code I

Answer 11

• 3.8 m or more in length and 19 cm or more in radius where at least 75 % of the gross scale can be manufactured into lumber and at least 50 % of that lumber will be merchantable.
• 9.8 m or more in length and 25cm or more in radius where at least 50% of the gross scale can be manufactured into lumber and at least 50% of that lumber will be merchantable.
• Otherwise, grade code H, 9.8m or more in length and 19cm or more in radius where at least 50% of the gross scale can be manufactured into lumber and at least 65% of that will be merchantable.

Question 12

No.1 Shingle Cedar Grade Code K

Answer 12

A log 3.8m or more in length and 25 cm or more in radius or a slab 3.8 m or more in length, 25cm or more in radius and 38 cm or more in thickness, where at least 50 % of the gross scale can be manufactured into shingles or shakes, and at least 75% of the shingles or shakes will be clear.

Question 13

No.2 Shingle Cedar Grade Code L

Answer 13

A log 3.8 m or more in length and 19 cm or more in radius or a slab 3.8m or more in length, 19 cm or more in radius and 26 cm or more in thickness where at least 50% of the gross scale can be manufactured into shingles or shakes and at least 50% of the shingles or shakes will be clear.

Question 14

No.3 Shingle Cedar, Grade Code M

Answer 14

A log 3.8 or more in length and 19cm or more in radius or a slab 3.8m or more in length, 13 cm or more in radius and 16 cm or more in thickness where at least 50% of the gross scale can be manufactured into shingles and at least 25 % of the shingles will be clear.

Question 15

No.1 Lumber Cypress, Grade Code D

Answer 15

A log 4m or more in length and 30cm or more in radius where at least 75% of the gross scale can be manufactured into merchantable lumber and at least 50 % of that lumber will be clear.

Question 16

No.2 Lumber Cypress, Grade Code F

Answer 16

• 4m or more in length and 25cm or more in radius where at least 75% of the gross scale can be manufactured into merchantable lumber and at least 25% of that lumber will be clear
• Otherwise, grade code D, 6.2m or more in length and 30cm or more in radius where less than 75% but at least 50% of the gross scale can be manufactured into merchantable lumber and at least 50% of that lumber will be clear.

Question 17

No, 2 Sawlog Cypress, Grade Code H

Answer 17

A log 4m or more in length and 19cm or more in radius where at least 75% percent of the gross scale can be manufactured into lumber and at least 65% of that lumber will be merchantable.

Question 18

No.3 Sawlog Cypress, Grade Code I

Answer 18

A log 4m or more in length and 19 cm or more in radius where at least 75% of the gross scale can be manufactured into lumber and at least 50% of that lumber will be merchantable.

Question 19

No.1 Lumber Fir and Pine, Grade Code D

Answer 19

A log 5m or more in length and 38cm or more in radius where at least 75% of the gross scale can be manufactured into merchantable lumber and at least 50% of the lumber will be clear.

Question 20

No.2 Lumber Fir and Pine, Grade code F

Answer 20

A log 5m or more in length and 30cm or more in radius where at least 75% of the gross scale can be manufactured into merchantable lumber and at least 25% of that lumber will be clear

Question 21

No.2 Peeler Fir and Pine, Grade Code B

Answer 21

A log 5.2m or more in length and 30cm or more in radius where at least 80 % of the gross scale can be manufactured on a rotary lathe into veneer.

Question 22

No.3 Peeler Fir, Grade Code C

Answer 22

A log 5.2m or more in length and 19cm or more in radius where at least 80% of the gross scale can be manufactured on a rotary lathe into veneer.

Question 23

No.2 Sawlog Fir and Pine, Grade Code H

Answer 23

A log 5m or more in length and

• 19cm or more in radius where at least 75% of the gross scale can be manufactured into lumber
• 25cm or more in radius where at least 50% of the gross scale can be manufactured into lumber and at least 65% of that lumber will be merchantable.

Question 24

No.3 Sawlog Fir and Pine, Grade Code I

Answer 24

• 3.8 m or more in length
• 19 cm or more in radius where at least 75% of the gross scale can be manufactured into lumber
• 25cm or more in radius where at least 50% of the gross scale can be manufactured into lumber
• And at least 50% of that lumber will be merchantable
• Otherwise, grade code H, 5m or more in length and 19 to 24cm in radius, where less than 75% but at least 50% of the gross scale can be manufactured into lumber and at least 65 % of that lumber will be merchantable

Question 25

No.1 Premium Spruce, Grade Code D

Answer 25

A fine-grained log 4m or more in length and 50cm or more in radius where at least 75% of the gross scale can be manufactured into merchantable lumber and at least 50% of that lumber will be clear.

Question 26

No.2 Premium Spruce, Grade Code E

Answer 26

1. 4m or more in length and 38cm or more in radius where at least 75% of the gross scale can be manufactured into merchantable lumber and at least 25% of that lumber will be clear
2. Otherwise, grade code D, 6.2m or more in length in 50cm or more of radius, where less than 75% but at least 66 % of the gross scale can be manufactured into merchantable lumber at least 50 % of that lumber will be clear.

Question 27

No. 1 Lumber Spruce, Grade Code F

Answer 27

A log 4m or more in length and 30cm or more in radius where at least 75% of the gross scale can be manufactured into merchantable lumber and at least 50% of that lumber will be clear.

Question 28

No.2 Lumber Spruce, Grade Code G

Answer 28

A log 4m or more in length and 30cm or more in radius where at least 75% of the gross scale can be manufactured into merchantable lumber and at least 25% of that lumber will be clear.

Question 29

No.2 Sawlog Spruce, Grade Code H

Answer 29

A log:
4m or more in length and 19cm or more in radius where at least 75% of the gross scale can be manufactured into lumber and at least 65 % of that lumber will be merchantable

Otherwise, grade code D, E, F or G, 4m or more in length and 30cm or more in radius, where less than 75% but at least 50% of the gross scale can be manufactured into merchantable lumber and at least 25% of that lumber will be clear.

Question 30

No.3 Sawlog Spruce, Grade Code I

Answer 30

A log 4m or more in length and 19cm or more in radius where :

At least 75% of the gross scale can be manufactured into lumber and at least 50% of that lumber will be merchantable

Otherwise grade code H, where less than 75% but at least 50% of the gross scale can be manufactured into lumber and at least 65% of that lumber will be merchantable

25cm or more in radius where at least 50% of the gross scale can be manufactured into lumber and at least 50% of that lumber will be merchantable.

Question 31

No.4 Sawlog All Coniferous, Grade Code J

Answer 31

For a cypress and spruce log 4m or more in length, for all other coniferous 5m or more in length and 8 to 18 cm in radius where at least 75% of the gross scale can be manufactured into lumber and at least 50% of that lumber will be merchantable.

Question 32

No.5 Utility All coniferous, Grade Code U (Except Balsam and Hemlock)

Answer 32

A log :

5m or more in length, and

5-7m in radius where at least 75% of the gross scale can be manufactured into lumber or,

8 to 18 in radius where at least 66% of the gross scale can be manufactured into lumber, or

3.8m or more in length and 19cm or more in radius where at least 50% of the gross scale can be manufactured into lumber and at least 35% of that lumber will be merchantable.

Question 33

No.6 Chipper All Coniferous, Grade Code X

Answer 33

A log 3m or more in length and 5cm or more in radius where at least 33% of the gross scale can be manufactured into lumber and at least 35% of that lumber will be merchantable.

Question 34

No.7 Chipper All Coniferous, Grade code Y

Answer 34

Logs lower in grade than utility and higher in grade than firmwood, reject.

Question 35

Broadleaf Species and Yew: Sawlog Grade Code W

Answer 35

A log 2.6m or more in length and 5cm or more in radius, where at least 50% of the gross scale can be manufactured into merchantable lumber.

Question 36

Broadleaf Species and Yew: Chipper, Grade Code Y

Answer 36

A log lower in grade than W, but higher in grade than firmwood, reject.