IS 3177 (1999): Code of Practice for Electric Overhead Travelling ...



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IS 3177 (1999): Code of Practice for Electric Overhead Travelling Cranes and Gantry Cranes other than Steel Work Cranes [MED 14: Cranes, Lifting Chains and Related Equipment]

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IS 3177 : 1.999

(ReaffinDed 2004)

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Indian Standard CODE OF PRACTICE FOR ELECTRIC OVERHEAD TRAVELLING CRANES AND GANTRY CRANES

OTHER THAN STEEL WORK CRANES ( Second Revision)

Second Reprint SEPTEMBER 2008

(Including Amendment No. J & 2)

ICS 53.020.20

April 1999 .

? SIS 1999

BUREAU OF INDIAN STANDARDS

MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG NEW DELI~I 110002

Price Group 15

AMENDMENT NO. 1 DECEMBER 2000 TO

IS 3177: I " , CODE OF PRACTICE FOR ELECTRIC OVERHEAD TRAVELLING CRANES AND GANTRY

CRANES OTHER THAN STEEL WORK CRANES

( S.COIIIIRnisiola )

[ Page 2, claus? 3.Z (b?) - Substitute the following for the existiag matter:

lib) Ambient temperature should be oOe tel 40?C aDd iftbe service conditions

those beyond this, suitable derating !acton .MU be applied.'

(Pllge 3, Fig. 2 ) - Read dimeasion 'L ' for dimension '1'.

(Page S, Table 1) - Substitute '1.4'!or '150' in col 2 against M7.

(Page S, clause 7.3.1 ) - Substitute '7.2' for 'I.z' under Rbi. ~

( Page 9, clause 1.1.%) - Substitute the following for the existiDg matter:

'For loads up to and induding 50 t, Shank type plain books be used unless otherwise specified by tbe purchaser. For 1000ds of SO t and over, boob of Rams hom type or triangular lifting eyes are to be preferred where there is ? chance of fouling of book and the 'risk of displacement of load during boistiDg and for lowering 'e' type hook shall be used. Hook witb book latch is to be provided with closing fingers to prevent slippage of load. However an option can be given to the purchaser on wbetber book is to be provided with closing fingers or book latch. In tbis case the biage lug for the closing- finger shall be forpd with tbe book. The finger shall be capable of taking load equal to 1.5 times of the weight of book block without distortion in accordance witb IS 13870 (part I).'

(PaB~ 10, clause 1.3.J ) - Substitute the following for Zp:

= ~Zp minimum practical co-efficient of utilization. For DOrm.) condition Zp shall

be taken equal to 6 for M7 aDd M8, Zp == 4 for Ml to M6.'

(Page 11, clause 1.4.6 apu,lUItioll/or 'd' ) - Substitute 'dwmcter of the rope, in mm' for the existi. matter.

r"st (Page 11, claus? 1.5.%, JNlNlgrtlplt ) - Substitute '1.4.6' for '7A-" .

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1-51 BISINDI2008

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