LIGHTNING
RISK EVALUATION
GUIDE FOR...
        • BUILDING OWNERS 
        • ARCHITECTS 
        • ENGINEERS 
        • CONTRACTORS
TABLE OF CONTENTS
GENERAL DETERMINING THE RISK RISK INDEX A TABLE 1-2A

TYPE OF STRUCTURE

RISK INDEX B TABLE 1-2B

TYPE OF CONSTRUCTION

RISK INDEX C TABLE 1-2C

RELATIVE LOCATION

RISK INDEX D TABLE 1-2D

TOPOGRAPHY

RISK INDEX E TABLE 1-2E

OCCUPANCY AND CONTENTS

RISK INDEX F TABLE 1-2F

LIGHTNING FREQUENCY ISOCERAUNIC LEVEL

USING THE RISK ASSESSMENT GUIDE TO THE CONSTRUCTION PROFESSIONAL... TO THE PROPERTY OWNER... THOMPSON LIGHTNING PROTECTION SYSTEMS
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