Table of Contents - L.341 (05/2025) - Maintenance of telecommunication poles and overhead facilities

1	Scope
2	References
3	Definitions
	3.1	Terms defined in this Recommendation
4	Abbreviations and acronyms
5	Conventions
6	Maintenance of telecommunication poles and overhead facilities
	6.1	Inspection
	6.2	Inspection items
	6.3	Inspection technologies
	6.4	Countermeasures
Annex A – The operations of wooden pole inspection
	A.1	Tools
	A.2	Visual inspection
	A.3	Inspection by percussion
	A.4	Damage measurement
	A.5	Wood pole unearthing
Annex B – Integrity testing for concrete telecommunication pole foundation
	B.1	Conventional methods
	B.2	Non-destructive testing (NDT) methods
Appendix I – The Spanish experience with pole management
	I.1	Poles used for telecommunications in Spain
	I.2	Agents and circumstances of biological destructions
	I.3	Aspect of attacked wood
Appendix II – The Korean experience of checking concrete pole foundation
	II.1	Testing program
	II.2	First peak resonance frequencies
	II.3	Discussions
Appendix III – The Indian experience with GRP pole application in overhead telecommunication facilities
	III.1	Introduction
	III.2	Constituents of GRP
	III.3	Manufacturing processes of GRP poles
	III.4	Mechanical and chemical properties of GRP pole
Bibliography