Design, Manufacture, Supply, Delivery, Installation, Testing and Commissioning of... Tender

Procurement Summary

Country : Bhutan

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

Deadline : 22 Aug 2022

Other Information

Notice Type : Tender

TOT Ref.No.: 70391986

Document Ref. No. : CHP0019/2022

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