
CALCULATION OF LIGHTNING PROTECTION
Application of Structure (A)= Houses & Buildings as per Table Multiplying Factor = 0.3
Type of Constructions (B)= Steel framed encased without Metal Roof as per Table Multiplying Factor =0.2
Contests or Consequential Effects (C)= Domestic / Office Buildings as per Table Multiplying Factor =0.3
Degree of Isolation (D)= Structure in a large area having greater height as per Table Multiplying Factor =0.4
Type of Country (E)= Flat country at any level so as per Table Multiplying Factor =0.3
Overall Multiplying Factor (M) =0.3×0.2×0.3×0.4×0.3
Overall Multiplying Factor (M) =0.00216
Overall Risk Factor Calculated (xc)= M x P
Overall Risk Factor Calculated (xc)= 0.00216 x0.05098
Overall Risk Factor Calculated (xc)= 000110127
B