Transcription of Lightning Protection System Design and Installation ...
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Hong Kong Polytechnic UniversityggyyDepartment of Building Services EngineeringLightning Protection System Design and Installation Reviewand Installation ReviewOrganised by Prof YP DuDr Tony Sung BSc(Hon) MSc PhD FIET FCIBSE MIEE SenMIEEEAdjt P fAdjunct ProfessorChairman of CIBSE Electrical Services 2012 Slide no: 1 Adjunct Prof Tony SungOutline of LectureOutline of Lecture Fundamental of Lightning PhenomenaPhenomena Standards and Design Guides Important Terms Quantifying Risks Quantifying Risks Control Measures Th R l W ld The Real World ConclusionDec 2012 Slide no: 2 Adjunct Prof Tony SungTheory of LightningTheory of Lightning (ref: Furse Guide to BS EN 62305)Dec 2012 Slide no: 3 Adjunct Prof Tony SungSeparation of ChargesSeparatio
Lightning RisksLightning Risks • Ri k t i b d li ht i t ik d itRisk assessment is based on lightning strike density maps called isokeraunic (or isoceraunic)maps, plus: • The structureThe structure s's 'effective collection areaeffective collection area' for lightning strikes. • Its use. • Its type of construction. • Its contents.
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