D07.04 - Pole and Pile Products
Pole and Pile Products
General Information
SCOPE
1.1 This specification covers the physical characteristics of round timber construction poles to be used either treated or untreated.
1.2 This test method covers basic principles for establishing recommended design stress values for round timber construction poles that are applicable to the quality described.
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
- Technical specification2 pagesEnglish language
ABSTRACT
This specification deals with the standards for unused round timber piles to be used either treated or untreated. This specification, however, does not cover preused piles unless the piles have the quality and design stresses equal to or greater than those prescribed herein. The piles shall be made of sound wood, free of decay, insect attacks, marine borer attack, and Limnoria damage. The piles shall also be cut above the ground swell and have a tapered tip.
SCOPE
1.1 This specification covers the physical characteristics of unused round timber piles to be used either treated or untreated.
1.2 This specification is not intended for preused piles unless the piles have the quality specified by this specification and design stresses equal to or greater than those derived from Method D2899.
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
- Technical specification8 pagesEnglish language
ABSTRACT
These practices cover the visual stress-grading principles applicable to structural wood members of nonrectangular shape, as typically used in log buildings. The grading provisions presented herein are not intended to establish grades for purchase, but rather to show how stress-grading principles are applied to members used in log buildings.
SCOPE
1.1 These practices cover the visual stress-grading principles applicable to structural wood members of nonrectangular shape, as typically used in log buildings. These practices are meant to supplement the ASTM standards listed in Section 2, which cover stress-grading of sawn lumber and round timbers. Pieces covered by these practices may also be used in building types other than log buildings.
1.2 The grading provisions used as illustrations herein are not intended to establish grades for purchase, but rather to show how stress-grading principles are applied to members used in log buildings. Detailed grading rules for commercial stress grades which serve as purchase specifications are established and published by agencies that formulate and maintain such rules and operate inspection facilities covering the various species.
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
- Standard7 pagesEnglish language
SIGNIFICANCE AND USE
4.1 This practice is intended for use by associations, technical societies and other groups that develop national design standards and use recommendations for round timber piles.
4.2 In using allowable stresses established under this practice, factors specific to each end use which may affect the performance of the pile system shall be considered. Such factors include the location of the critical section, the bearing capacity of the soil, the ability of the pile to withstand driving forces and conditions of service.
SCOPE
1.1 This practice contains procedures for establishing allowable stresses for round timber piles starting with clear wood strength properties.
1.2 Stresses established under this practice are applicable to piles conforming to the quality, straightness, spiral grain, knot, check, shake, and split provisions of Specification D25.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
- Standard6 pagesEnglish language
SIGNIFICANCE AND USE
4.1 Tests of wood poles are made to determine:
4.1.1 Data for use in establishing allowable stresses,
4.1.2 Data upon which to base economical pole line design,
4.1.3 Data on the strength properties of different species in pole sizes,
4.1.4 Data as to the influence of defects on the strength properties of poles,
4.1.5 Data as to the effect of preservatives and preservative treatments on the strength properties of poles, and
4.1.6 Data for correlating the strength properties of full-size poles with those of small clear specimens of the same species.
4.2 Treating procedures to which poles have been subjected may introduce variables that prohibit direct comparisons between different groups of data. Complete information on the treating techniques shall form a part of the test records.
SCOPE
1.1 These test methods cover determination of the bending strength and stiffness of wood poles. Knowledge of these properties is used in providing for reliable and economical design with poles of different species, size, or grade.
1.2 Two test methods are included: the cantilever test method and the machine test method.
1.3 Provision is also made for extracting small clear specimens from the butt section and determining static bending and compression parallel to grain strength values in accordance with Test Methods D143.
1.4 The procedures specified in these test methods apply to tests of either treated or untreated material.
1.5 The values stated in inch-pound units are to be regarded as the standard. SI values are given in parentheses and are provided for information only.
1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
- Standard17 pagesEnglish language
SIGNIFICANCE AND USE
4.1 This practice is primarily intended for use by associations, third-party grading agencies, technical societies and other groups that develop national design standards and use recommendations for round timber piles.
4.2 This practice provides procedures for establishing compression parallel to grain and bending stresses for round timber piles including: sampling of material for testing; methods of test and property calculation procedures; distribution analysis of test data; procedures for determining adjustments for critical section location; pile oversize, load sharing and treatment; and procedures for deriving allowable stresses.
4.3 In using allowable stresses established under this practice, factors specific to each end use which may affect the performance of the pile system shall be considered by the designer. Such factors include the location of the critical section, the bearing capacity of the soil, the ability of the pile to withstand driving forces, the properties of the cap or load distributive element tying piles together and the loading and conditions of service.
SCOPE
1.1 This practice contains procedures for establishing allowable compression parallel to grain and bending stresses for round timbers used for piling, based on results from full-size tests.
Note 1: Allowable stresses for compression perpendicular to grain and shear properties are established in accordance with the provisions of Practice D2899.
1.2 Stresses established under this practice are applicable to piles conforming to the size, quality, straightness, spiral grain, knot, shake and split provisions of Specification D25.
1.3 A commentary on the practice is available from ASTM International.
1.4 The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this standard.
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
- Standard7 pagesEnglish language
ABSTRACT
This specification deals with the standards for unused round timber piles to be used either treated or untreated. This specification, however, does not cover preused piles unless the piles have the quality and design stresses equal to or greater than those prescribed herein. The piles shall be made of sound wood, free of decay, insect attacks, marine borer attack, and Limnoria damage. The piles shall also be cut above the ground swell and have a tapered tip.
SCOPE
1.1 This specification covers the physical characteristics of unused round timber piles to be used either treated or untreated.
1.2 This specification is not intended for preused piles unless the piles have the quality specified by this specification and design stresses equal to or greater than those derived from Method D2899.
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
- Technical specification8 pagesEnglish language
- Technical specification8 pagesEnglish language
SCOPE
1.1 This specification covers the physical characteristics of round timber construction poles to be used either treated or untreated.
1.2 This test method covers basic principles for establishing recommended design stress values for round timber construction poles that are applicable to the quality described.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
- Technical specification2 pagesEnglish language
- Technical specification2 pagesEnglish language
SIGNIFICANCE AND USE
4.1 This practice is primarily intended for use by associations, third-party grading agencies, technical societies and other groups that develop national design standards and use recommendations for round timber piles.
4.2 This practice provides procedures for establishing compression parallel to grain and bending stresses for round timber piles including: sampling of material for testing; methods of test and property calculation procedures; distribution analysis of test data; procedures for determining adjustments for critical section location; pile oversize, load sharing and treatment; and procedures for deriving allowable stresses.
4.3 In using allowable stresses established under this practice, factors specific to each end use which may affect the performance of the pile system shall be considered by the designer. Such factors include the location of the critical section, the bearing capacity of the soil, the ability of the pile to withstand driving forces, the properties of the cap or load distributive element tying piles together and the loading and conditions of service.
SCOPE
1.1 This practice contains procedures for establishing allowable compression parallel to grain and bending stresses for round timbers used for piling, based on results from full-size tests.Note 1—Allowable stresses for compression perpendicular to grain and shear properties are established in accordance with the provisions of Practice D2899.
1.2 Stresses established under this practice are applicable to piles conforming to the size, quality, straightness, spiral grain, knot, shake and split provisions of Specification D25.
1.3 A commentary on the practice is available from ASTM International.
1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
- Standard7 pagesEnglish language
ABSTRACT
This specification deals with the standards for unused round timber piles to be used either treated or untreated. This specification, however, does not cover preused piles unless the piles have the quality and design stresses equal to or greater than those prescribed herein. The piles shall be made of sound wood, free of decay, insect attacks, marine borer attack, and Limnoria damage. The piles shall also be cut above the ground swell and have a tapered tip.
SCOPE
1.1 This specification covers the physical characteristics of unused round timber piles to be used either treated or untreated.
1.2 This specification is not intended for preused piles unless the piles have the quality specified by this specification and design stresses equal to or greater than those derived from Method D2899.
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
- Technical specification7 pagesEnglish language
- Technical specification7 pagesEnglish language
SIGNIFICANCE AND USE
Tests of wood poles are made to determine:
Data for use in establishing allowable stresses,
Data upon which to base economical pole line design,
Data on the strength properties of different species in pole sizes,
Data as to the influence of defects on the strength properties of poles,
Data as to the effect of preservatives and preservative treatments on the strength properties of poles, and
Data for correlating the strength properties of full-size poles with those of small clear specimens of the same species.
Treating procedures to which poles have been subjected may introduce variables that prohibit direct comparisons between different groups of data. Complete information on the treating techniques shall form a part of the test records.
SCOPE
1.1 These test methods cover determination of the bending strength and stiffness of wood poles. Knowledge of these properties is used in providing for reliable and economical design with poles of different species, size, or grade.
1.2 Two test methods are included: the cantilever test method and the machine test method.
1.3 Provision is also made for extracting small clear specimens from the butt section and determining static bending and compression parallel to grain strength values in accordance with Test Methods D143.
1.4 The procedures specified in these test methods apply to tests of either treated or untreated material.
1.5 The values stated in inch-pound units are to be regarded as the standard. SI values are given in parentheses and are provided for information only.
1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
- Standard17 pagesEnglish language
SIGNIFICANCE AND USE
This practice is intended for use by associations, technical societies and other groups that develop national design standards and use recommendations for round timber piles.
In using allowable stresses established under this practice, factors specific to each end use which may affect the performance of the pile system shall be considered. Such factors include the location of the critical section, the bearing capacity of the soil, the ability of the pile to withstand driving forces and conditions of service.
SCOPE
1.1 This practice contains procedures for establishing allowable stresses for round timber piles starting with clear wood strength properties.
1.2 Stresses established under this practice are applicable to piles conforming to the quality, straightness, spiral grain, knot, check, shake, and split provisions of Specification D25.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
- Standard6 pagesEnglish language
- Standard6 pagesEnglish language
SCOPE
1.1 This specification covers the physical characteristics of round timber construction poles to be used either treated or untreated.
1.2 This test method covers basic principles for establishing recommended design stress values for round timber construction poles that are applicable to the quality described.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
- Technical specification2 pagesEnglish language
SIGNIFICANCE AND USE
This practice is intended for use by associations, technical societies and other groups that develop national design standards and use recommendations for round timber piles.
In using allowable stresses established under this practice, factors specific to each end use which may affect the performance of the pile system shall be considered. Such factors include the location of the critical section, the bearing capacity of the soil, the ability of the pile to withstand driving forces and conditions of service.
SCOPE
1.1 This practice contains procedures for establishing allowable stresses for round timber piles starting with clear wood strength properties.
1.2 Stresses established under this practice are applicable to piles conforming to the quality, straightness, spiral grain, knot, check, shake, and split provisions of Specification D 25.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
- Standard6 pagesEnglish language
- Standard6 pagesEnglish language
SIGNIFICANCE AND USE
This practice is primarily intended for use by associations, third-party grading agencies, technical societies and other groups that develop national design standards and use recommendations for round timber piles.
This practice provides procedures for establishing compression parallel to grain and bending stresses for round timber piles including: sampling of material for testing; methods of test and property calculation procedures; distribution analysis of test data; procedures for determining adjustments for critical section location; pile oversize, load sharing and treatment; and procedures for deriving allowable stresses.
In using allowable stresses established under this practice, factors specific to each end use which may affect the performance of the pile system shall be considered by the designer. Such factors include the location of the critical section, the bearing capacity of the soil, the ability of the pile to withstand driving forces, the properties of the cap or load distributive element tying piles together and the loading and conditions of service.
SCOPE
1.1 This practice contains procedures for establishing allowable compression parallel to grain and bending stresses for round timbers used for piling, based on results from full-size tests.Note 1
Allowable stresses for compression perpendicular to grain and shear properties are established in accordance with the provisions of Practice D 2899.
1.2 Stresses established under this practice are applicable to piles conforming to the size, quality, straightness, spiral grain, knot, shake and split provisions of Specification D 25.
1.3 A commentary on the practice is available from ASTM International.
1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
- Standard6 pagesEnglish language
SCOPE
1.1 This specification covers the physical characteristics of round timber construction poles to be used either treated or untreated.
1.2 This test method covers basic principles for establishing recommended design stress values for round timber construction poles that are applicable to the quality described.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
- Standard2 pagesEnglish language
- Standard2 pagesEnglish language
ABSTRACT
This specification deals with the standards for unused round timber piles to be used either treated or untreated. This specification, however, does not cover preused piles unless the piles have the quality and design stresses equal to or greater than those prescribed herein. The piles shall be made of sound wood, free of decay, insect attacks, marine borer attack, and Limnoria damage. The piles shall also be cut above the ground swell and have a tapered tip.
SCOPE
1.1 This specification covers the physical characteristics of unused round timber piles to be used either treated or untreated.
1.2 This specification is not intended for preused piles unless the piles have the quality specified by this specification and design stresses equal to or greater than those derived from Method D 2899.
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.4 his standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
- Technical specification7 pagesEnglish language
SIGNIFICANCE AND USE
Tests of wood poles are made to determine:
4.1.1 Data for use in establishing allowable stresses,
4.1.2 Data upon which to base economical pole line design,
4.1.3 Data on the strength properties of different species in pole sizes,
4.1.4 Data as to the influence of defects on the strength properties of poles,
4.1.5 Data as to the effect of preservatives and preservative treatments on the strength properties of poles, and
4.1.6 Data for correlating the strength properties of full-size poles with those of small clear specimens of the same species.
Treating procedures to which poles have been subjected may introduce variables that prohibit direct comparisons between different groups of data. Complete information on the treating techniques shall form a part of the test records.
SCOPE
1.1 These test methods cover determination of the bending strength and stiffness of wood poles. Knowledge of these properties is used in providing for reliable and economical design with poles of different species, size, or grade.
1.2 Two test methods are included: the cantilever test method and the machine test method.
1.3 Provision is also made for extracting small clear specimens from the butt section and determining static bending and compression parallel to grain strength values in accordance with Test Methods D 143.
1.4 The procedures specified in these test methods apply to tests of either treated or untreated material.
1.5 &inch-pound-units;
This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
- Standard17 pagesEnglish language
SIGNIFICANCE AND USE
This practice is intended for use by associations, technical societies and other groups that develop national design standards and use recommendations for round timber piles.
In using allowable stresses established under this practice, factors specific to each end use which may affect the performance of the pile system shall be considered. Such factors include the location of the critical section, the bearing capacity of the soil, the ability of the pile to withstand driving forces and conditions of service.
SCOPE
1.1 This practice contains procedures for establishing allowable stresses for round timber piles starting with clear wood strength properties.
1.2 Stresses established under this practice are applicable to piles conforming to the quality, straightness, spiral grain, knot, check, shake, and split provisions of Specification D 25.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
- Standard6 pagesEnglish language
SCOPE
1.1 This practice contains procedures for establishing allowable stresses for round timber piles starting with clear wood strength properties.
1.2 Stresses established under this practice are applicable to piles conforming to the quality, straightness, spiral grain, knot, check, shake, and split provisions of Specification D 25.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
- Standard6 pagesEnglish language
SCOPE
1.1 This practice contains procedures for establishing allowable stresses for round timber piles starting with clear wood strength properties.
1.2 Stresses established under this practice are applicable to piles conforming to the quality, straightness, spiral grain, knot, check, shake, and split provisions of Specification D 25.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
- Standard6 pagesEnglish language
SCOPE
1.1 This specification covers the physical characteristics of round timber construction poles to be used either treated or untreated.
1.2 This test method covers basic principles for establishing recommended design stress values for round timber construction poles that are applicable to the quality described.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
- Standard2 pagesEnglish language
SCOPE
1.1 This specification covers the physical characteristics of round timber construction poles to be used either treated or untreated.
1.2 This test method covers basic principles for establishing recommended design stress values for round timber construction poles that are applicable to the quality described.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
- Standard2 pagesEnglish language
SCOPE
1.1 These test methods cover determination of the bending strength and stiffness of wood poles. Knowledge of these properties is used in providing for reliable and economical design with poles of different species, size, or grade.
1.2 Two test methods are included: the cantilever test method, and the machine test method.
1.3 Provision is also made for extracting small clear specimens from the butt section and determining static bending and compression parallel to grain strength values in accordance with Methods D143.
1.4 The procedures specified in these test methods apply to tests of either treated or untreated material.
1.5 The values stated in inch-pound units are to be regarded as the standard. SI values are given in parentheses and are provided for information only.
1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
- Standard18 pagesEnglish language
SCOPE
1.1 This specification covers the physical characteristics of unused round timber piles to be used either treated or untreated.
1.2 This specification is not intended for preused piles unless the piles have the quality specified by this specification and design stresses equal to or greater than those derived from Test Method D2899.
1.3 The values stated in inch-pound units are to be regarded as the standard.
- Technical specification7 pagesEnglish language
SCOPE
1.1 This specification covers the physical characteristics of unused round timber piles to be used either treated or untreated.
1.2 This specification is not intended for preused piles unless the piles have the quality specified by this specification and design stresses equal to or greater than those derived from Test Method D2899.
1.3 The values stated in inch-pound units are to be regarded as the standard.
- Technical specification7 pagesEnglish language
Frequently Asked Questions
D07.04 is a Technical Committee within ASTM International. It is named "Pole and Pile Products". This committee has published 26 standards.
D07.04 develops ASTM standards in the area of Information technology. Currently, there are 26 published standards from this technical committee.
ASTM is a standardization organization that develops and publishes standards to support industry, commerce, and regulatory requirements.
A Technical Committee (TC) in ASTM is a group of experts responsible for developing international standards in a specific technical area. TCs are composed of national member body delegates and work through consensus to create standards that meet global industry needs. Each TC may have subcommittees (SCs) and working groups (WGs) for specialized topics.