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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 />

Page 18 of 35

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