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Get A Quote for Lightning Protection to BS 6651 1999
Weighting Factors
A. Use of Structure
Houses or comparable
Houses with outside aerial
Factories, workshops
Office blocks, flats, hotels
Places of assembly
B. Type of Construction
Steel framed not metal roof
RC framed not metal roof
Steel or RC frame, metal roof
Brick, concrete not metal roof
Timber frame, not metal roof
Brick, concrete, timber
Any building with thatched roof
C. Contents of Consequential Effects
Domestic or Office Building
Ind. Bldings, Susceptible contents
Power Stations, telephone, radio exchange
Key industrial plants and historic buildings
Schools, hospitals etc.
D. Degree of Isolation
Same as surrounding
Few other buildings of same height
Isolated Structure
E. Type of Country
Flat Country
Hill Country
Mountain Country (300m - 900m)
Mountain Country (>900m)
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