NATIONAL ALUMINIUM COMPANY LIMITED - Rites

20. Drive
a) Numbers
b) Diameter
c) Material & hardness
d) Max. wheel load
e) Wheel base
a) Type & material of gear box
b) Gears & pinions
c) Material & hardness
d) Kw rating
e) Synchronous speed
f) Class of insulation
g) Pull out torque
h) Frame size
21 Brakes
a) Type
b) Size
c) Torque rating
22. Type & details of limit switches
23. Type of coupling
24. Type of bearings
25. Type & details of controls
26. Clearance diagram indicating the basic dimensions
27. Type & lubrication provided
28. Type & size of cables
29. Location & control details of hoist block power feeding
30. Any other information
2.6 EOT CRANE
Sl. No. Description
(a) During participation in technical Bid:
1.0 G.A. Drawing. VENDER TO CONFIRM
2.0 Wheel Load Diagram (Wheel Distance & Wheel Load).
3.0 Sketches showing full details of cranes with dimensions/ end clearances
(between centre of LT rails to column face of building), overhead clearance
from LT rails, hook approach limits, llift
ift height, Details of Web thickness baffle
plates, Stiffeners ,of Girder section , End carriage (Boggies) Trolley Section etc.
4.0 Vendor to submit appropriate Q.A. Plan.
(b) After Receipt of Order:
1.0 Calculation for Box Girder, End Carriage structural plates/ Web / Stiffener
plate, Wheel Load calculation & Calculation for selection of Diameter of
Wheel, Motor, Gearbox and Brake etc. 3 - sets of followings documents like
G. A Drawings, Structural drawin drawings like End-carriage, carriage, Box Girder, Assembly
Drawings/ Sub--
assembly Drawings, Gear Box Drawings (specially of Typical
Gears having Helix Angle, Pressure Angles, Modules etc.) ,Bracket/ Current
Collector System, Hook Block, LT & CT wheel, Main Hook assembly LT
machinery, Hoisting machinery, Electrical Drawings comprising Power ,
Technical Specification:Sec-9,Miscellaneous
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