ISO 8965:2022
(Main)Logging industry — Technology — Vocabulary
Logging industry — Technology — Vocabulary
This document defines terms relating to technological operations in the logging industry. NOTE See ISO 6814 for terms and definitions related to mobile and self-propelled machinery used in forestry.
Exploitation forestière — Techniques — Vocabulaire
General Information
Standards Content (sample)
INTERNATIONAL ISO
STANDARD 8965
Third edition
2022-07
Logging industry — Technology —
Vocabulary
Exploitation forestière — Techniques — Vocabulaire
Reference number
ISO 8965:2022(E)
© ISO 2022
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ISO 8965:2022(E)
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© ISO 2022
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© ISO 2022 – All rights reserved
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ISO 8965:2022(E)
Contents Page
Foreword ........................................................................................................................................................................................................................................iv
Introduction .................................................................................................................................................................................................................................v
1 Scope ................................................................................................................................................................................................................................. 1
2 Normative references ..................................................................................................................................................................................... 1
3 Terms and definitions .................................................................................................................................................................................... 1
3.1 General terms .......................................................................................................................................................................................... 1
3.2 Terms relating to cut block design and layout............................................................................................................ 2
3.3 Terms relating to logging methods, activities and machinery .................................................................... 3
3.4 Terms relating to round timber ............................................................................................................................................... 8
3.4.13 Measurement of round timber volume ........................................................................................................... 9
3.5 Terms relating to hauling roads ........................................................................................................................................... 10
Bibliography .............................................................................................................................................................................................................................12
Index .................................................................................................................................................................................................................................................13
iii© ISO 2022 – All rights reserved
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ISO 8965:2022(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www.iso.org/patents).Any trade name used in this document is information given for the convenience of user and does not
constitute an endorsement.For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO´s adherence to the
World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see www.iso.org/
iso/foreword.html.This document was prepared by Technical Committee ISO/TC°218, Timber.
This third edition cancels and replaces the second edition (ISO 8965:2013), which has been technically
revised.The main changes are as follows:
— updated, corrected and clarified definitions;
— re-ordering of term categories and terms within categories to match the subject matter.
Any feedback or questions on this document should be directed to the user´s national standards body. A
complete listing of these bodies can be found at www.iso.org/members.html.© ISO 2022 – All rights reserved
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ISO 8965:2022(E)
Introduction
The main purpose of this document is to establish international terms and their definitions used in
contemporary technological processes of the logging industry, to provide terminological unity and
comparability of scientific and technical information.This is addressed not only to the standardizers and terminologists in forestry, but to anyone involved in
terminology work, as well as to the users of different terminologies.The terms established in this document are listed in a systematic order, reflecting a system concept in
the field of logging industry standardization.For each concept, one standardized term has been established.
Admissible terms/synonyms are given as informative data and are not standardized.
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INTERNATIONAL STANDARD ISO 8965:2022(E)
Logging industry — Technology — Vocabulary
1 Scope
This document defines terms relating to technological operations in the logging industry.
NOTE See ISO 6814 for terms and definitions related to mobile and self-propelled machinery used in forestry.
2 Normative referencesThere are no normative references in this document.
3 Terms and definitions
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https:// www .iso .org/ obp— IEC Electropedia: available at https:// www .electropedia .org/
3.1 General terms
3.1.1
logging
harvesting
set of consecutive operations to convert standing trees to desired products for further processing at
manufacturing facilitiesNote 1 to entry: Includes cutting unit works (3.3.1), post-cutting activities (3.3.44), transportation and partial
processing of round timber (3.4.5)3.1.2
logging industry
sector of the forest industry engaged in logging (3.1.1)
3.1.3
forest tract
timber supply block
area of forest land designated for logging (3.1.1)
3.1.4
forest inventory
stock of standing timber available for logging (3.1.1)
3.1.5
allowable cut
volume of annual timber supply available for logging (3.1.1) from a specified forest area
Note 1 to entry: In some countries, applies only to main cut (3.2.4).3.1.6
cutting plan
document specifying the method of logging (3.1.1), characteristics and layout of the forest tract (3.1.3),
as well as its performance requirements© ISO 2022 – All rights reserved
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ISO 8965:2022(E)
3.1.7
cutting allotment
part of the public forest area, assigned to a logging enterprise for a specified term
3.2 Terms relating to cut block design and layout3.2.1
cut block
cutting unit
part of the forest tract (3.1.3), that is specified in size and location
3.2.2
cut block construction elements
areas of forest tract (3.1.3) used for hauling roads (3.5.1), landings (3.2.6), logging equipment
maintenance and fuel and lubricant storage3.2.3
arrangement of headmaster site
provisioning of a job site with fire extinguishing equipment, their position on the cut block
(3.2.1), installation of a communication facilities and arranging of the fire prevention mineralized zone
3.2.4main cut
final felling (3.3.12) of mature trees
3.2.5
buffer strip
green strip
leave strip
strip of forest land where cutting (3.3.11) is restricted or prohibited
Note 1 to entry: Refers to strips located between forest tracts (3.1.3) or adjacent to another resource (lake, river,
park, road, etc.). When located near water features, also named streamside or riparian management zones.
3.2.6landing
site near the hauling road (3.5.1) for temporary timber storage before additional processing or loading
(3.3.42) for transportation3.2.6.1
transfer yard
permanent or temporary site for storage and reloading of timber from one vehicle to another
3.2.7skid trail
haul path
logging trail
skid road
snig track
hauling route
path
temporary trail used in a cut block (3.2.1) to transfer felled trees (3.4.3), tree-lengths (3.4.3.1) and round
timber (3.4.5) by skidding (3.3.21) from the stump to the landing (3.2.6)Note 1 to entry: Auxiliary skid trails can merge into a main skid trail.
Note 2 to entry: Including skid trails restricted to a cutting strip (3.2.8).
Note 3 to entry: Trails may terminate at the side of a hauling road (3.5.1).
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ISO 8965:2022(E)
3.2.8
cutting strip
part of cut block (3.2.1) from which felled trees (3.4.3), tree-lengths (3.4.3.1) or round timber (3.4.5) are
transported via a single skid trail (3.2.7)3.2.9
processing yard
area designated for primary processing (3.3.2) of wood raw material, storage of round timber (3.4.5) or
tree-lengths (3.4.3.1) and processing of wood residues3.2.9.1
waterside processing yard
processing yard (3.2.9) located near a waterway
3.2.9.2
upper processing yard
processing yard (3.2.9) located at the cut block (3.2.1) near a skid trail (3.2.7)
3.2.9.3lower processing yard
processing yard (3.2.9) located at the junction of a hauling road (3.5.1) and public road
3.2.9.4railroad processing yard
processing yard (3.2.9) located near a railroad
3.2.9.5
intermediate processing yard
processing yard (3.2.9) located at the hauling road (3.5.1) outside the cut block (3.2.1)
3.2.10capacity of processing yard
amount of timber that can be stored in a processing yard (3.2.9)
3.3 Terms relating to logging methods, activities and machinery
3.3.1
cut block works
cutting unit works
preparatory, regular, and auxiliary operations at the forest tract (3.1.3)
Note 1 to entry: Preparatory operations include removal of danger trees (3.3.48), marking and construction of
tracks, landings (3.2.6), and workshop sites, which are necessary for carrying out of regular operations.
Note 2 to entry: Regular operations may include felling (3.3.12), skidding (3.3.21), delimbing (3.3.32), bucking
(3.3.33) and loading (3.3.42), but also grading (3.4.12), stacking (3.3.41), and sometimes chipping (3.3.45).
Note 3 to entry: Auxiliary operations include maintenance and repair of harvesting machines, supply of fuel and
lubricants, as well as utility services for forest workers.3.3.2
primary processing
subset of operations, other than transportation, including delimbing (3.3.32), bucking (3.3.33) and
grading (3.4.12) to prepare felled trees (3.4.3), tree-lengths (3.4.3.1) or round timber (3.4.5) for further
manufacture3.3.3
operating reserve
storage of round timber (3.4.5), at a processing yard (3.2.9), sufficient to maintain an uninterrupted
workflow of a logging enterprise© ISO 2022 – All rights reserved
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ISO 8965:2022(E)
3.3.4
full-tree logging
whole-tree logging
total-tree logging
method of logging (3.1.1) in which felled trees (3.4.3) are transported from the felling (3.3.12) site to
the landing (3.2.6) or roadside before any processing such as topping, delimbing (3.3.32) and usually
bucking (3.3.33) takes place3.3.4.1
tree-length logging
method of logging (3.1.1) ) in which tree-lengths (3.4.3.1) are transported from the felling (3.3.12) site to
the landing (3.2.6) or roadside3.3.5
cut-to-length logging
method of logging (3.1.1) in which felled trees (3.4.3) are processed at the felling (3.3.12) site by
delimbing (3.3.32), topping and bucking (3.3.33) and are placed in a pile (3.4.8) prior to subsequent
skidding (3.3.21) to the landing (3.2.6) or roadside3.3.6
machine logging
method of logging (3.1.1) that employs power-driven mobile equipment
Note 1 to entry: Includes operations using feller-bunchers, skidders (3.3.22), forwarders (3.3.20) and cable
yarders.3.3.7
aerial logging
method of machine logging (3.3.6) where felled trees (3.4.3), tree-lengths (3.4.3.1) or round timber (3.4.5)
are transported by aerial equipment from the felling (3.3.12) site to the landing (3.2.6) or roadside
3.3.8horse logging
method of logging (3.1.1) where felled trees (3.4.3), tree-lengths (3.4.3.1) or round timbers (3.4.5) are
transported by large draft horses from the felling (3.3.12) site to the landing (3.2.6) or roadside
3.3.9logging residue processing
set of operations to utilize logging residues (3.4.17)
3.3.10
whole tree drying
moderate drying of stems (3.4.1) of freshly cut or standing trees
Note 1 to entry: This operation is carried out in the warm season: freshly cut trees are temporarily left in the cut
block (3.2.1); or, for standing trees, it is carried out by girdling the stem above the root level.
3.3.11cutting
process of logging (3.1.1)
3.3.12
felling
falling
separating the stem (3.4.1) of a tree at the root level and directing it to fall in a given orientation
3.3.13feller
faller
cutter
worker, who executes felling (3.3.12) manually
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ISO 8965:2022(E)
3.3.14
undercut
wedge-shaped cut, visible at the butt end or a butt log, made at the base of the stem (3.4.1) to se
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