Lightning Protection

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new_ee

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How would you know if a building is required to have lightning protection or not? I've looked through IBC, NEC, NFPA 101 and can't find anything that says "thou shall have lightning protection." But its very possible I just need to be pointed in the right direction.

If I do find out that I need lightning protection how is that generally relayed on construction document? Do I have a note that says lightning protection system required in accordance with NFPA 780? Or do I need to totally define the system and draw it out?
 
Re: Lightning Protection

the requirement is usually put forth by the building owner/designer, or the occupant who may have special needs.
You should probably contact a lightning specialist to ask for their assistance, until you get some more experience with this type of installation/spec for your drawings.
 
Re: Lightning Protection

There is no code requirements for lightning protection.
NFPA 780 has some good analysis to begin the discussion of the likelihood of a lightning protection system being of benefit.
Some engineers place a requirement for the EC to provide a Masterlabel system, as designed by a certified designer and inspected by a representative of Underwriters Laboratories.
 
Re: Lightning Protection

In the state of Florida, hospitals and other public safety buildings like police stations and fire departments require lightning protection.

When an occpancy is designed or engineered for lightning protection the NFPA 780 is referenced.
 
Re: Lightning Protection

I will echo Ron's remark. If you should decide to install a system have a certified Master Label contractor design/install/inspect the system to Ul-96 specifications. It is the only method an insurance companywill accept the design and apply discounts.
 
Re: Lightning Protection

I echo also what Ron, Bryan, and Dereck have said to add I have seen where insurance company's or their underwriter has required certain types of buildings that might handle very flammable or explosive material, such as a fireworks stand, Gun shop, ETC... to install a UL certified lightning protection system, before they will insure them. They do have that right. ;)
 
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