Does my building need lightning protection?
According to RC 35 ‘Protection of buildings against lightning strikes’, a risk control publication, it is not a legal requirement for all buildings and structures to have lightning protection. However, the Electricity at Work Regulations 1989 do apply to most businesses.
What is the Australian standard for lightning protection?
The current standard for lightning protection in Australia and New Zealand is AS/NZS 1768:2007 and has recently been revised, released in January 2007.
How do you determine lightning protection level?
The higher the efficiency of a lightning conductor is, the lower the risk of damages caused by lightning strikes will become. A protection level selection depends on the kind of building, its structure and value….Conventional lightning protection system.
| Protection Level | Effectiveness of lightning conductor E |
|---|---|
| IV | 0,80 |
What is lightning arrester for building?
A lightning arrester rod or a lightning conductor is a metal rod that is installed on a building to protect it from thunderstorms & lightning strikes. This lightning arrester is made from copper & brass alloy, which is the best conductor of electricity. As such, it has a very high ground coverage of up to 60 meters.
How do you protect a building from lightning?
These buildings are protected by a lightning rod. Lightning rods are designed to protect a building from the damage that a direct lightning strike can cause. Unprotected buildings can experience electrical fires as the current travels across any conductive materials that exist.
At what height of a building is lightning protection required?
On structures less than 30 metres (about 100 feet) in height, a lightning rod provides a cone of protection whose ground radius approximately equals its height above the ground. On taller structures, the area of protection extends only about 30 metres from the base of the structure.
Is lightning protection a legal requirement in Australia?
What are the Australian Standards for Lightning Protection? To decide the level of protection required for any building, you must first determine the type of building it is and its contents. In all cases, lightning protection is required to provide protection for personnel within any building.
What NFPA 780?
Standard for the Installation of Lightning Protection Systems. NFPA 780 provides lightning protection system installation requirements to safeguard people and property from fire risk and related hazards associated with lightning exposure.
What are the methods of lightning protection?
The 3 types of lightning protection system
- The lightning rod (simple rod or with triggering system)
- The lightning rod with taut wires.
- The lightning conductor with meshed cage (Faraday cage)
How do lightning rods protect buildings?
Lightning rod, metallic rod (usually copper) that protects a structure from lightning damage by intercepting flashes and guiding their currents into the ground.
