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NFPA 780 Standard
 
NFPA 780 Standard: Standard for the Installation of Lightning Protection Systems
1.1 Scope

1.1.1 This document shall cover traditional lightning protection system installation requirements for the following:
(1) Ordinary structures
(2) Miscellaneous structures and special occupancies
(3) Heavy-duty stacks
(4) Watercraft
(5) Structures containing flammable vapors, flammable gases, or liquids that give off flammable vapors

1.1.2* This document shall not cover lightning protection system installation requirements for the following:
(1) Explosives manufacturing buildings and magazines
(2) Electric generating, transmission, and distribution systems

1.1.3 This document shall not cover lightning protection system installation requirements for early streamer emission systems or charge dissipation systems.

1.2 Purpose. The purpose of this standard shall be to provide for the safeguarding of persons and property from hazards arising from exposure to lightning.

1.3 Listed, Labeled, or Approved Components. Where fittings, devices, or other components required by this standard are available as listed or labeled, such components shall be used.

1.4 Mechanical Execution of Work. Lightning protection systems shall be installed in a neat and workmanlike manner.

1.5* Maintenance. Recommended guidelines for the maintenance of the lightning protection system shall be provided to the owner at the completion of installation.

1.6 Metric Units of Measurement. Metric units of measurement in this standard shall be in accordance with the modernized metric system known as the International System of Units (SI).

1.6.1 If a value for measurement as given in this standard is followed by an equivalent value in other units, the first stated value shall be the requirement.

1.6.2 A given equivalent value shall be approximate.


NFPA Website: http://www.nfpa.org