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With the increase in Sensitive electrical equipment's in the workspace, the need for
protection against the dangers of Lightning has been increasing. Typically, Lightning
Arrester Ratings is
the discharge of static electricity within a cloud, between clouds or between cloud and the
earth. The
Lightning Arrester Calculation currents vary from 20KA to 200KA.
The thermal and electromechanical effects of lightning, relatively impact buildings,
specific zones or
humans. Sensitive areas like hospitals, schools, chemical plants, power stations, sites of
National and international
importance and in the areas where the density of lightning flashes is high, Government
buildings have to be well protected
in order to avoid loss of property or human.
A Lightning protector/arrestor or Air terminal provides a means for the lightning to get
discharged into
respective earth pits or to the ground, leaving other conducting paths and structures. As
per NFPA 70E ensuring the workplace
safety is the responsibility of the owner or the concerned department of the facility. In
this context, the employer shall
install proper Lightning Protection System Design to avoid lightning risks or check whether
the installed Air terminations are
proportionate to protection required against lightning.
With enormous experience in the field of Lightning Risk Assessment, VB Engineering
provides a Direct Stroke Lightning Protection Calculations report, Comprehensive Lightning
Protection
System design calculation report on the adequacy of lightning protection system at your
facility as per
NFPA 780, IS 2309:1989/IEC 62305-1 to 4 and in Lightning Arrester Specifications India. VBE
Engineers
visit your facility collect some details like dimensions of the buildings, Material made,
Location of the
facility, type of construction. Reviewing existing down conductor’s condition, insulation
provided and
earth pits dedicated to Surge Arrester Safety against lightning. Estimating the Zone of
protection and
suggesting suitable lightning.
