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This data is pulled directly from the National Fire Prevention Association's Lightning Protection Installation Standard, NFPA 780, 2023 edition.
This data is pulled directly from the National Fire Prevention Association's Lightning Protection Installation Standard, NFPA 780, 2023 edition.
D.1 Inspection of Lightning Protection Systems.
D.1 Inspection of Lightning Protection Systems.
D.1.1 Frequency of Inspections. It is understood that all new lightning protection systems must be inspected following completion of their installation. Recommended guidelines for the maintenance of the lightning protection system should be provided to the owner at the completion of installation. It is important to make periodic inspections of existing systems. The interval between inspections should be determined by factors such as the following:
D.1.1 Frequency of Inspections. It is understood that all new lightning protection systems must be inspected following completion of their installation. Recommended guidelines for the maintenance of the lightning protection system should be provided to the owner at the completion of installation. It is important to make periodic inspections of existing systems. The interval between inspections should be determined by factors such as the following:
(1) Classification of the structure or area protected
(1) Classification of the structure or area protected
(2) Level of protection afforded by the system
(2) Level of protection afforded by the system
(3) Immediate environment (co corrosive atmospheres)
(3) Immediate environment (co corrosive atmospheres)
(4) Materials from which system components are made
(4) Materials from which system components are made
(5) Type of surface to which the lightning protection components are attached
(5) Type of surface to which the lightning protection components are attached
(6) Trouble reports or complaints
(6) Trouble reports or complaints
D.1.1.1 In addition to regular periodic inspections, a lightning protection system should be inspected whenever any alterations or repairs are made to a protected structure, as well as following any known lightning discharge to the system (if your LPS was struck).
D.1.1.1 In addition to regular periodic inspections, a lightning protection system should be inspected whenever any alterations or repairs are made to a protected structure, as well as following any known lightning discharge to the system (if your LPS was struck).
1.5.3 Where required by the authority having jurisdiction, compliance of the completed installation with the requirements of this standard shall be certified through a physical on-site inspection by a qualified and impartial organization acceptable to the authority having jurisdiction.
1.5.3 Where required by the authority having jurisdiction, compliance of the completed installation with the requirements of this standard shall be certified through a physical on-site inspection by a qualified and impartial organization acceptable to the authority having jurisdiction.
1.6* Maintenance. Recommended guidelines for the maintenance of the lightning protection system shall be provided to the owner at the completion of installation.
1.6* Maintenance. Recommended guidelines for the maintenance of the lightning protection system shall be provided to the owner at the completion of installation.
l. 7 Periodic Inspection. Periodic inspections or testing for compliance to this standard shall be done at intervals determined by the authority having jurisdiction.
l. 7 Periodic Inspection. Periodic inspections or testing for compliance to this standard shall be done at intervals determined by the authority having jurisdiction.
B.5 Inspection and Maintenance of Lightning Protection Systems. It has been shown that, in cases where damage has occurred to a protected structure, the damage was due to additions or repairs to the building or to deterioration (of the LPS) mechanical damage that was allowed to go undetected and unrepaired, or both. Therefore, it is recommended that an annual visual inspection be made and that the system be thoroughly inspected every five years.
B.5 Inspection and Maintenance of Lightning Protection Systems. It has been shown that, in cases where damage has occurred to a protected structure, the damage was due to additions or repairs to the building or to deterioration (of the LPS) mechanical damage that was allowed to go undetected and unrepaired, or both. Therefore, it is recommended that an annual visual inspection be made and that the system be thoroughly inspected every five years.
D.1 Inspection of Lightning Protection Systems.
D.1 Inspection of Lightning Protection Systems.
D.1.1 Frequency of Inspections. It is understood that all new lightning protection systems must be inspected following completion of their installation. Recommended guidelines for the maintenance of the lightning protection system should be provided to the owner at the completion of installation. It is important to make periodic inspections of existing systems. The interval between inspections should be determined by factors such as the following:
D.1.1 Frequency of Inspections. It is understood that all new lightning protection systems must be inspected following completion of their installation. Recommended guidelines for the maintenance of the lightning protection system should be provided to the owner at the completion of installation. It is important to make periodic inspections of existing systems. The interval between inspections should be determined by factors such as the following:
(1) Classification of the structure or area protected
(1) Classification of the structure or area protected
(2) Level of protection afforded by the system
(2) Level of protection afforded by the system
(3) Immediate environment (co corrosive atmospheres)
(3) Immediate environment (co corrosive atmospheres)
(4) Materials from which system components are made
(4) Materials from which system components are made
(5) Type of surface to which the lightning protection components are attached
(5) Type of surface to which the lightning protection components are attached
(6) Trouble reports or complaints
(6) Trouble reports or complaints
D.1.1.1 In addition to regular periodic inspections, a lightning protection system should be inspected whenever any alterations or repairs are made to a protected structure, as well as following any known lightning discharge to the system (if your LPS was struck).
D.1.1.1 In addition to regular periodic inspections, a lightning protection system should be inspected whenever any alterations or repairs are made to a protected structure, as well as following any known lightning discharge to the system (if your LPS was struck).
D.1.1.2 It is recommended that lightning protection systems be visually inspected at least annually. In some areas where severe climatic changes occur, it might be advisable to visually inspect systems semiannually or following extreme changes in ambient temperatures. Complete in-depth inspections of all systems should be completed every 3 to 5 years. It is recommended that critical systems be inspected every 1 to 3 years, depending on occupancy or the environment where the protected structure is located.
D.1.1.2 It is recommended that lightning protection systems be visually inspected at least annually. In some areas where severe climatic changes occur, it might be advisable to visually inspect systems semiannually or following extreme changes in ambient temperatures. Complete in-depth inspections of all systems should be completed every 3 to 5 years. It is recommended that critical systems be inspected every 1 to 3 years, depending on occupancy or the environment where the protected structure is located.
D.1.1.2 It is recommended that lightning protection systems be visually inspected at least annually. In some areas where severe climatic changes occur, it might be advisable to visually inspect systems semiannually or following extreme changes in ambient temperatures. Complete in-depth inspections of all systems should be completed every 3 to 5 years. It is recommended that critical systems be inspected every 1 to 3 years, depending on occupancy or the environment where the protected structure is located.
D.1.1.2 It is recommended that lightning protection systems be visually inspected at least annually. In some areas where severe climatic changes occur, it might be advisable to visually inspect systems semiannually or following extreme changes in ambient temperatures. Complete in-depth inspections of all systems should be completed every 3 to 5 years. It is recommended that critical systems be inspected every 1 to 3 years, depending on occupancy or the environment where the protected structure is located.
SLP considers these types of structures needing annual inspections: Churches (especially high steeples), Schools, Universities (especially dormitories), Hospitals, and storage facilities housing explosive chemicals or ordnance.
SLP considers these types of structures needing annual inspections: Churches (especially high steeples), Schools, Universities (especially dormitories), Hospitals, and storage facilities housing explosive chemicals or ordnance.
D.2.2.2 Lightning protection system maintenance procedures should be established for each system and should become a part of the overall maintenance program for the structure it protects.
D.2.2.2 Lightning protection system maintenance procedures should be established for each system and should become a part of the overall maintenance program for the structure it protects.
A maintenance program should contain a list of more or less routine items that can serve as a checklist and establish a definite maintenance procedure that can be followed regularly. It is the repeatability of the procedures that enhances the effectiveness of a good maintenance program.
A maintenance program should contain a list of more or less routine items that can serve as a checklist and establish a definite maintenance procedure that can be followed regularly. It is the repeatability of the procedures that enhances the effectiveness of a good maintenance program.
A good mainte nance program should contain provisions for the following:
A good mainte nance program should contain provisions for the following:
( I) Inspection of all conductors and system component,
( I) Inspection of all conductors and system component,
(2) Tightening of all clamps and splicers
(2) Tightening of all clamps and splicers
(3) Measurement of lightning protection system resistance
(3) Measurement of lightning protection system resistance
(4) Measurement of resistance of grounding electrodes
(4) Measurement of resistance of grounding electrodes
(5) Inspection or testing, or both , of equipment providing surge protection to determine its effectiveness compared to similar new devices
(5) Inspection or testing, or both , of equipment providing surge protection to determine its effectiveness compared to similar new devices
(6) Refastening and tightening of components and conductors as required
(6) Refastening and tightening of components and conductors as required
(7) Inspection and testing as required to determine if the effectiveness of the lightning protection system has been altered by additions to or changes in the structure (for example; additions, new roof, new HVAC equipment, or rooftop repair work).
(7) Inspection and testing as required to determine if the effectiveness of the lightning protection system has been altered by additions to or changes in the structure (for example; additions, new roof, new HVAC equipment, or rooftop repair work).
See Damage Information here.
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