VicForests Instructions Log Specifications
VicForests Instructions Log Specifications
VicForests Instructions Log Specifications
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9.1.1 Pulplog General <strong>Specifications</strong><br />
The general specifications and defect tolerances relating to pulplog are summarised in<br />
Tables 10 and 11 below.<br />
Table 10 – General Pulplog <strong>Specifications</strong><br />
Parameter<br />
Minimum small end diameter (SED*) under bark<br />
Maximum large end diameter (LED*) under bark<br />
Minimum length<br />
Maximum length<br />
Size Class Diameter (cm)<br />
Branches<br />
Charcoal<br />
Bark<br />
Sweep<br />
Spiral Grain<br />
Shattered ends and slovens<br />
Specification<br />
8 cm for both round and split logs<br />
60 cm*<br />
3.0 metres<br />
12.0 metres<br />
As a measure of DBHOB<br />
Less than half log diameter and flush trimmed<br />
100 % free<br />
100 % free<br />
Less than diameter over 2.4 metres<br />
Less than half diameter over 2.4 meters<br />
Removed<br />
Split logs<br />
Acceptable and clean of all rot and mud<br />
* Note that the SED and LED specifications may be varied by agreement for specific buyers.<br />
** Note that maximum length specifications may be varied for specific buyers or truck<br />
configurations to maximise haulage options.<br />
*** Note that the maximum and minimum diameter specifications may be varied for specific buyers<br />
depending on chipper configuration and size.<br />
**** Note that the minimum length may be varied for specific harvest and haul configurations.<br />
Table 11 – Pulplog Defect Tolerances<br />
Size Class<br />
<strong>Log</strong>s and slabs less than 40 cm<br />
diameter<br />
<strong>Log</strong>s and Slabs between 40 and<br />
60 cm large end diameter (LED)<br />
<strong>Log</strong>s with a pipe of greater than<br />
25 cm<br />
<strong>Log</strong>s greater than LED cm<br />
Permitted Defect<br />
Defect not to exceed 50% of diameter.<br />
Minimum wood depth of 10 cm across the diameter of the log.<br />
<strong>Log</strong>s must have an average of 10 cm of solid wood between the<br />
pipe and outside diameter of the log, for the length of the log.<br />
If rot or mud present then must be split with all rot and mud<br />
removed.<br />
Must be split to render maximum piece size less than 60 cm.<br />
Unless stamped ‘CONTROLLED COPY’ in red, all printed copies of this procedure are uncontrolled. The latest<br />
version can be found in <strong>VicForests</strong> SharePoint– Sustainable Forest Management System<br />
Version: 2.4 Last Updated: 8/07/2013 Procedure Owner: Marketing – Manager<br />
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