Design, Manufacture, Supply, Delivery Tender in Bhutan - 70391986

Procurement Summary

Country: Bhutan

Summary: Design, Manufacture, Supply, Delivery, Installation, Testing and Commissioning of 3 Mt EOT Crane

Deadline: 22 Aug 2022

Posting Date: 16 Aug 2022

Other Information

Notice Type: Tender

TOT Ref.No.: 70391986

Document Ref. No.: CHP0019/2022

Competition: ICB

Financier: Self Financed

Purchaser Ownership: Public

Tender Value: Refer Document

Purchaser's Detail

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Tender Details

Tenders are invited for Design, Manufacture, Supply, Delivery, Installation, Testing and Commissioning of 3 Mt EOT Crane
a) Type and requirement.

Single Girder Electric Overhead Travelling Crane of 3MT capacity. Heavy duty end carriage joints should have

contacts of all four wheels with the track. The crane shall be capable of hoisting, longitudinal travel (LT) and cross travel (CT) at various speeds in both loaded and unloaded conditions.
b) Capacity (SWL) 3MT

c) Scope of Supply

Design, Manufacture, Supply, Erection, Commissioning,

Performance Acceptance, Quality Assurance and Site

Testing of 3MT EOT Crane along with crane rail track

(Component breakup to be provided by the bidder).

d) Class /duty Class 2/M5/Indoor Operation

e) Dimension

Height of lift: 10.5 m;

Crane Span:7.1 m (total distance between E & F (or

between two NPB column) is 7.4m as per drawing in

annexure-1)

crane longitudinal travel (LT):23.25m (Total Bay Length

available: 24.05 m)

The dimensions are as per layout drawing in annexure1

f) Hook

Drop forged “c” type swiveling hook conforming to IS

supported on thrust bearings. Hook shall be provided

with suitable safety latch.

g) Crane Rail Track

Design, Manufacture, Supply, Erection, Testing and

Commissioning of pre-painted (as per painting

instruction given in clause no. 12) Mild Steel Crane Rail

Track of a suitable dimension should be in the scope of

Bidder. The crane rail track should be designed to rest

on MS brackets which are provided at every NPB

column (four columns spaced 8.1 m each in between) as

given in annexure-1 and must be designed to withstand

the load at 125% of SWL throughout the length of rail

track. All the fittings and accessories required for fixing

of the rail track with the MS brackets shall be supplied

by the contractor.

h) Power Supply & Control Voltage 415±10% & 240 V AC

i) Drive Type Electrical/415V/50Hz

j) Brake Type Thrust brake/electrical

k) Motors

The Sq. cage induction motors shall be suitable for

frequent starting, reversing and braking operations in

accordance with IS-325. Motors shall be totally

enclosed in dust proof construction, foot/flange

Page 6

mounted, TEFC, Class F insulation, IP54 protection with

integrated safety brakes. Separate motors of adequate

rating shall be used for hoisting, LT & CT motions.

Note: Make to be approved by CHP, DGPC.

l) Control Radio Remote Controller (RRC)/ Pendant Controller

m) Speed

C.T speed: 10 mpm (meter per minute) Dual speed with

VFD; L.T speed: 15 mpm (meter per minute) Dual speed

with VFD; Raise and Lower speed: 3 mpm (meter per

minute) Dual speed with VFD

n)

Control Panel

VVVF (Variable Voltage Variable Frequency) drive

panels

The control panel should be moisture resistant

VVVF Drive panels considered: Schneider/Siemens

/ABB/Yaskawa OR any other reputed make

All cables should be Armored Cables.

o) Limit Switches and Locks

Safety limit switches for stoppers should be provided

to prevent over-travelling in all motions. Audio & visual

alarm for all the limit switches shall be provided. Safety

latch and swiveling locks shall be provided for hook.

p) Cabling

All wiring for power control circuit shall be carried out

with 1.1kV grade flame retardant low smoke (FRLS) PVC

insulated copper cables. Minimum size of cables for

control circuit shall be 2.5 sq.mm and minimum size for

power cables shall be 4.0 sq.mm.

Documents

 Tender Notice