SPECIAL REPAIR / REPLACEMENT OF EOT CRANE CRAB UNIT IN TECH AREA AT AF STATION GWALIOR

Amount

Design, supply installation testing and commissioning of electrically operated indoor overhead travelling EOT crane conforming to IS-3177 (latest revision) suitable for operation on 415 volts 3 Phase 4 wire 50 HZ supply mounted on existing single girder with necessary steel supporting structures with hoisting cross travel (CT) and long travel (LT with micro drives through variable frequency drive with control panel power and controlling cables power and controlling cables confirming to relevant IS controlled by pendent push button station of operation with and including the following:- (a) Capacity – 2 ton (b) Class of duty - M5 as per IS -3177. (c) Lift of hoist-3 M approx. (d) Crane control operation hanging pendent and radio remote operation. SPEED (a) Main Hoist - 3 meter per minute (b) Cross Travel - 8 meter per minute (c) Long Travel - 12 meter per minute (d) Creep speed or main hoist - 10% of normal Speed (e) Speed control - for all motions speed range of 10% to 100% of rated speed through variable speed drive control from pendant push button.

item No1 Cont.. All the moving parts should be duly covered with guards as per safety norm. Proper guard / - cover/ tray to prevent falling of bolts from coupling etc should also be provided, wherever required. Limit Switch Cross travel: 2 Nos lever/roller type Hoist: 1 No. rotary & 1 No. Counter weight type Electric Contactors Shall be of have SIEMENS / L&T/GE suitable for Crane operations. Crane duty AC-4 ratings. The rating of all contactors shall be at least 50% higher than the respective electric motor full load current, at the specified duty cycle. Trailing Cables Trailing cables (Extra flexible having copper conductors only) should be traveling on rollers moving on separate existing structure parallel. Painting Instruction: (a) Surface Cleaning: Girder to be shot blasted or chemically treated for surface cleaning, (b) Painting: One coat of Red Oxide Primer with 25 micron DFT (Dry Film Thickness) and 48 hours of compulsory curing after painting. The crane should be thoroughly cleaned and final painting with two coats Enamel Paint (Colour-Golden Yellow) each with a DFT of 25 micron and intermittent curing of 16 hours. Final touching will be done after errection & commissioning at site if required. (viii) All other incidental, Civil, Electrical, Mechanical works.

JNK BOND (BID ID -3313111)