IS 2309 (1989): Code of practice for the protection of ...
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IS 2309 (1989): Code of practice for the protection of buildings and allied structures against lightning [ETD 20: Electrical Installation]
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Bharthari--Ntiatakam "Knowledge is such a treasure which cannot be stolen"
IS 2309 : t889
Indian Standard PROTECTION OF BUILDINGS AND ALLIED
STRUCTURES AGAINST LIGHTNINGCODE OF PRACTICE ( Second Revision)
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UDC 621-316"93: 699"887-2 : 006"76
March 1991
@ BIS 1991
BUREAU OF INDIAN STANDARDS
MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG NEW DELHI 110002
Price Group 15
,Electrical Installations Sectional Committee, ETDC 20
CONTENTS
I SCOPE 2 REPBRBNCBS
Section 1 General aad Basic Considerations
3 DEFINITIONS 4 TBCHNICAL AsPEOTS OP LIGHTNING
5 E'FECTS 0 F LIGHTNING STROKE
6 FUNCTION 0' A LIGHTNING CONDUCTOR 7 OTHBR METHODS 0' LIGHTNING PROTECTION 8 BAIIC CONSIDBRATIONS FOR PaOTEOTION
Section 2 System Desiga
9 GENERAL CONSIDBRATIONS OF DSIION 10 MATKRTAL8 11 DIMENSIONS' 12 COMPONBNT PARTS 13 CORROSION
Section 3 Protection of Special Stractures
14 STRUCTURBS EXCBBDINO 30 m IN HEIGHT ??? 15 STRUOTURBI WITH Roon 0' HIGH FLAMMABILITY 16 BUILDINGS WITH EXPLOIIVB OR HIGHLY FLAIOIABLB CONTBNTS 17 FaNCES 18 TREES AND STRUCTURES NBAR TRBES 19 STRUCTURES SUPPORTING OVERHEAD ELBOTRICITY SUPPLY, TBLEPHONB AND OTHBa
LINES
20 STRUOTURES WITH RADIO AND TBLBVIlION AERIALS 21 MISCBLLANEOUS STRUOTURBS 22 CONSTRUOTION SITU
Section 4 MlseeUaaeous Pro,i.ioDl aad Explaaatory Notes
23 INSPECTION 24 TalTING 25 REcORDa 26 MAINTBNANCB AND UPKBBP 27 EXPLANATORY NOTal ON SOYB 0' THB R&OOIOl&NDATIONI OP THIS CODa
PAGS
1 1
1 2 3 3 3 3
12 13 15 15
42
46 46 46 52 52 53
53 54 55
58 ?58 58 58 58
FOREWORD
This Indian Standard (Second Revision) was adopted by the Bureau of Indian Standards on 29 May 1989, after the draft finalized by the Electrical Installations Sectional Committee had been approved by the Electrotechnical Division Council.
( ConlilJUld on third cov,r )
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