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Forest Products Technical Specifications






Pruned Butt Grade Radiata

Cut Length (m)
VOL (%)
 
3.9 & 5.9 m
Buyers Option
NB: Lengths may change according to orders.
Length Tolerence -2 cm to +8 cm variance to cut length.
 
Diameter  
Minimum SEDUB 34cm
Minimum Jas Average SEDUB Best efforts 40 cm+
SED Tolerance Nil
Maximum LED Open
 
Sap Stain The logs will be treated within 72 hours after felling but no longer than 96 hrs. 
Wood Quality  
Knots No knots
Wobble Not allowed
Sweep Maximum of SED/4
 
Roundness Longest face ≤ 1.25 times the shortest face
Double Hearts Not allowed 
Pith Must lie within the central third
Fluting Maximum 5 cm
Nodal Swelling Maximum 3 cm
 
Surface Defects Maximum 3 cm of machine damage
Scarf Face Maximum 5 cm
Slovens Not allowed
Drawn & Pulled Wood Maximum 5 cm
Rot None
Scars None
General Comments
A Grade - Revised 14/01/11

Length (m)
VOL (%)
 
3.70 to 12.10
Buyers
NB: Lengths may change according to orders.
 
Option
Tolerances: -2cm and +8cm
Diameter  
Minimum SEDUB 26cm
Minimum Average SEDUB 33cm
SED Tolerance Up to 3% by volume may be below minimum SEDUB
Maximum LED Open
Wood Quality  
Knots Maximum knot size 1/3 SED up to 12cm.
Spike Knots 7cm maximum one per 4m length
Wobble MAX D/6
Sweep  
  12.10 SED/2 MAX
  8.10 SED/4 MAX
  4.10 SED/4 MAX
Roundness Longest face + or - 1.25 times the shortest face
Double Hearts Not allowed 
Pith Must lie within the central third
Fluting 6cm MAX
Nodal Swelling 5cm MAX
Surface Defects 3cm Max (includes pulled knots, scars and machine damage)
Trimming Branches must be cut flush to the log and ends square
Scarf Face 5cm MAX
Slovens NOT ALLOWED
Drawn & Pulled Wood 5cm MAX
General Comments
K Grade - Revised 14/01/11

Length (m)
VOL (%)
 
3.7 to 12.1
Buyers
NB: Lengths may change according to order
Option
Tolerances: -2cm and +8cm
 
 
Diameter  
Minimum SEDUB 20cm
Minimum Average SEDUB 26cm
SED Tolerance Up to 3% by volume may be below minimum 18cm
Maximum LED 80cm
Wood Quality  
Knots Maximum knot size 1/3 SED up to 15cm.
  In any 3m length a whorl with a knot over 5cm is rejected.
  Limbs must be trimmed flush with the stem.
Spike Knots 7 cm max one per 4m length 
Wobble MAX D/6
Sweep MAX D/4 over log length
Roundness Longest face + or - 1.25 times the shortest face
Double Hearts Not allowed 
Pith Must lie within the central third
Fluting 3cm MAX
Surface Defects Maximum 3cm, includes pulled knots, scars and machine damage
Trimming Branches must be cut flush to the log and ends cut square.
  Remove any slits.
Scarf Face Maximum 5cm 
Slovens NOT ALLOWED
Drawn & Pulled Wood Maximum 5cm
General Comments
KI Grade - Revised 14/01/11

Length (m)
VOL (%)
 
3.7
N/A
NB: Lengths may change according to orders
 

Tolerances: -2cm and +8cm
Diameter  
Minimum SEDUB 26cm
Minimum Average SEDUB Unrestricted
SED Tolerance Up to 3% by volume may be below minimum
Maximum LED OPEN
Wood Quality  
Knots Maximum knot size 1/2 SED up to 26 cm
  In any 3m length a whorl with a knot  >10cm is rejected
  Limbs must be trimmed flush with stem
Spike Knots 10 cm MAX one per 2m length
Wobble SED/2
Sweep Max SED/2 over log length
Roundness Longest face below or equal to 1.25 times the shortest face
Double Hearts Allowed if green and clean with some bark inclusion OK
Pith  
Fluting  Unrestricted
Nodal Swelling  Can be present
Surface Defects Allowed but should be restricted to 3cm on 26cm SED logs
Trimming Branches must be cut flush to the log and ends cut square.
Scarf Face Remove any slits.
Slovens NOT ALLOWED
Drawn & Pulled Wood 5m MAX
Defects One general defect to 26cm allowed lengthwise along log which includes one 26cm knot
General Comments Nodal swelling can be present
KSM Grade - Revised 14/01/11

Length (m)  
3.70 Buyers option note: Lengths may change according to orders
4.90  
5.50  
Length tolerance -2cm to +8cm
Diameter  
Minimum SEDUB 18cm absolute strict minimum
Minimum Average SEDUB 24cm
SED Tolerance NIL
Maximum SED 32cm
Wood Quality  
Knots Maximum size 1/3 SED up to 10cm
  In any 3m length a whorl with a knot over 5cm is rejected
  Limbing must be flush with the stem
Spike Knots Maximum of one 6cm knot per 4m length
Wobble Maximum of SED/6
Sweep Max SED/2 over log length


Roundness Longest face < 1.25 times the shortest face
Double Hearts Allowed in green & clean with no bark inclusion
Pith Must lie within central third
Fluting Maximum 6cm
Nodal Swelling Maximum 5cm for SED <30 cm, 7 cm for SED > 30 cm
Surface Defects Maximum 3cm ; includes pulled knots, scars and machine damage
Trimming Branches must be cut flush to the log and ends cut square. Any slits must be removed
Scarf Face Maximum 5 cm for SED < 30 cm, 7 cm for SED > 30 cm
Slovens NOT ALLOWED
Drawn & Pulled Wood Maximum 5cm for SED < 30 cm, 7 cm for SED > 30 cm
General Comments The large end of each log MUST be marked for identification
KM Grade - Revised 14/01/11

Length (m)
VOL (%)
 
5.50
Buyers
NB: Lengths may change according to orders
3.70
Options
Tolerances: -2cm and +8cm
Diameter  
Minimum SEDUB 16 cm
Minimum Average SEDUB 22 cm
SED Tolerance Up to 3% by volume may be below minimum
Maximum LED 60cm
Wood Quality  
Knots Maximum knot size 1/3 SED up to 12cm.
  No excessive knots, in any 3m length a whorl knot over 5cm is rejected
Spike Knots 7cm MAX one per 4m length
Wobble MAX D/6
Sweep  
 5.50 SED/2
 3.70 SED/4
Roundness Longest face < 1.25 times the shortest face
Double Hearts Allowed if green and clean with minimal bark
Pith Must lie within the central third
Fluting 6cm MAX
Nodal Swelling 5cm MAX for SED < 30cm
  7cm Max for SED > 30cm
Surface Defects 3cm Max (includes pulled knots, scars and machine damage)
Trimming Branches must be cut flush to the log ends.
Scarf Face Remove any slits.
Slovens NOT ALLOWED
Drawn & Pulled Wood 5cm MAX for SED < 30 cm. 7cm MAX for SED > 30cm
General Comments
SP Grade - Revised 14/01/11

Length (m)
VOL (%)
 

3.70 - 3.90

Length Tolerance

100

NB: Lengths may change according to orders

-2cm to + 8cm

Diameter  
Minimum Diameter 16cm
Minimum Average SEDUB 20 to 22 cm
SED Tolerance Up to 3% by volume may be below minimum
Maximum LED 50cm
Wood Quality  
Knots MAX 1/3 SED TO 12cm
Spike Knots NOT ALLOWED
Wobble SED/6
Sweep  
3.70 / 3.90 SED/2
Roundness Longest face < 1.5 times the shortest face
Double Hearts Allowed if green and clean with minimal bark
Pith  
Fluting 6cm Max
Nodal Swelling 5cm max
Surface Defects 3cm Max (includes pulled knots, scars and machine damage)
Trimming Branches must be cut flush to the log ends
Scarf Face Remove any slits.
Slovens NOT ALLOWED
Drawn & Pulled Wood 5cm MAX
General Comments
P Grade - Avg 14 - Revised 14/01/11

Length (m)
VOL (%)
 
3.90
N/A
NB: Lengths may change according to orders
Diameter  
Minimum Diameter 14cm
Minimum SEDUB  
Minimum Average SEDUB N/A
SED Tolerance Up to 3% by volume may be below minimum
Maximum LED 50cm
Wood Quality  
Knots
Spike Knots All allowed. All logs must be capable of being de-barked in a ring de-barker and severe deformations are not allowed due to difficulty in achieving a tight stow in the ship
Wobble
Sweep  
3.90 Considerable sweep is allowed. However, logs must be reasonably straight for a tight stow in the ship (say 80% of the diamaeter)
Roundness All allowed. All logs must be capable of being in a ring de-barker and severe deformations are not allowed due to difficulty in achieving a tight stow in the ship
Double Hearts
Pith  
Fluting  
Nodal Swelling  
Surface Defects  
Trimming Must be 100%
Scarf Face All allowed
Slovens All allowed
Drawn & Pulled Wood All allowed
General Comments
P12 - Revised 14/01/11

Length (m)
VOL (%)
 
3.90
N/A
NB: Lengths may change according to orders
Diameter  
Minimum Diameter 12cm
Minimum SEDUB  
Minimum Average SEDUB N/A
SED Tolerance Up to 3% by volume may be below minimum
Maximum LED 50cm
Wood Quality  
Knots
Spike Knots All allowed. All logs must be capable of being de-barked in a ring de-barker and severe deformations are not allowed due to difficulty in achieving a tight stow in the ship
Wobble
Sweep  
3.90 Considerable sweep is allowed. However, logs must be reasonably straight for a tight stow in the ship (say 80% of the diamaeter)
Roundness All allowed. All logs must be capable of being in a ring de-barker and severe deformations are not allowed due to difficulty in achieving a tight stow in the ship
Double Hearts  
Pith  
Fluting  
Nodal Swelling  
Surface Defects  
Trimming Must be 100%
Scarf Face All allowed
Slovens All allowed
Drawn & Pulled Wood All allowed
General Comments
Hardwood Peeler Grade

Length (m) VOL (%)
5.7 m for 20 foot container NB: Lengths may change according to orders
Tolerances: -5cm and +5cm<
Diameter  
Minimum SEDUB 30cm
Expected Average 35cm
SED Tolerance None
Maximum LED N/A
Wood Quality  
Surface Defects Allowable up to 105 of SED
Knots Max knot size 7cm for logs to 36cm SED Max ) Based on actual SED log diamater
Max knot size 7cm for logs to 36cm SED Max ) Based on actual SED log diamater
Knot size measured across widest axis
Knots must be flush with the stem
Spike and Dead Knots Permitted
Epicormic Shoots Same tolerance as knots
Wobble Not permitted
Sweep Maximun sweep of SED/3 - at point of maximum curve
Fluting Max 5cm deep at butt. Max 1.0m along length of log
Heart Must be in central 1/3 of log at each end
Roundness Longest face < 1.25
Bumps Maximunm of 2 significant bumps per 3m length
  Significant is greater than1/4 log diameter
End Splitting Split logs are not permitted
End Checking Mild checking up to 0.5cm wide and 3cm deep permitted
Logs should be freshly docked to minimise end checking
Slovens Must be trimmed and ends cut square
No butt tear. No excessive scarfs
General Comments Each log to be marked with paint on the small end
Each log must be end greased with an approved wax emulsion and gang plated on the day of log marking
N20S Grade Log Shining Gum - Revised 14/01/11

Length (m) VOL (%)
7.80 NB: Lengths may change according to orders
Tolerances: -5cm and +5cm<
Species

E.Nitens

Diameter
 
Minimum SEDUB 20cm
Expected Average None
SED Tolerance 5% by volume may be below minimum SEDUB
Maximum LED Open
Quality  
Knots For logs under 40cm SED, maximum of 2 knots of 7cm allowed in any 2m length of the log
Spike Knots Not permitted
Epicormic Shoots Same tolerance and specifications as knots
Max Wobble Not permitted
Max Sweep For lengths up to 6.0M, maximum SED/4
For lengths greater than 6.0M, maximum SED/2
Fluting Maximum 3cm deep at butt. Maximum 1.5m along length of log
Nodal Swelling Not permitted
Surface Defects Maximum 3cm (includes pulled knots, scars, and machine damage)
Trimming Branches must be cut flush to the log and ends cut square
End Splitting Split logs are not permitted. End checking / splitting of maximum 5cm deep permitted  
Bark Disease Not permitted
Rot No rot permitted. Discolouration permitted
Slovens NOT ALLOWED
Drawn or Pulled Wood 5cm max
General Comments
N20L Grade Log - Shining Gum Revised 14/01/11

Length (m) VOL (%)
10.40  NB: Lengths may change according to orders
Tolerances: -5cm and +5cm<
Species
E.Nitens

Diameter
 
Minimum SEDUB 20cm
Expected Average None
SED Tolerance 5% by volume may be below minimum SEDUB
Maximum LED Open
Quality  
Knots For logs under 40cm SED, maximum of 2 knots of 7cm allowed in any 2m length of the log
Spike Knots Not permitted
Epicormic Shoots Same tolerance and specifications as knots
Max Wobble Not permitted
Max Sweep For lengths up to 6.0M, maximum SED/4
For lengths greater than 6.0M, maximum SED/2
Fluting Maximum 5cm deep at butt. Maximum 1.5m along length of log
Nodal Swelling Not permitted
Surface Defects Maximum 3cm (includes pulled knots, scars, and machine damage)
Trimming Branches must be cut flush to the log and ends cut square
End Splitting Split logs are not permitted. End checking / splitting of maximum 5cm deep permitted
Bark Disease Not permitted
Rot No rot permitted. Discolouration permitted
Slovens NOT ALLOWED
Drawn or Pulled Wood 5cm max
General Comments