NTPC LIMITED
A Govt of India Enterprise)
Invitation For Bids (IFB)
(
DESIGN, ENGINEERING, MANUFACTURE, TESTING SUPPLY, ERECTION & COMMISSIONING
OF DRY FOG DUST SUPPRESSION SYSTEM AT CRUSHER HOUSE STAGE-I & II AT
SINGRAULI SUPER THERMAL POWER STATION (SSTPS) UNDER MEGA R&M
NIT NO: 9900164676
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NTPC invites on-line bids on Single stage Two envelope basis from eligible
bidders for above said package as per the Scope of Work briefly mentioned
hereinafter.
BRIEF SCOPE OF WORK:
The scope of work covers, designs , manufacture, shop testing, supply, handling and
storage at site, complete installation testing and commissioning of the DFDS system
including accessories. The supply shall be but not limited to the following.
a) Complete erection of equipment, testing & commissioning at site.
b) Complete foundation structure along with stiffening members etc. is in the
scope of vender.
c) The proposed dust suppression system shall be able to control dust
concentration within desires statutory requirement.
d) Automatic Dry Fog Dust Suppression System for Conveyor Belts, transfer
point shall be capable of controlling dust during transfer of coal from one belt
to another belt.
e) System shall include Water pump & air compressor. System should work only
when the belt is running and loaded with coal. It should not spray any water
when belt is running without load or the belt is idle. The system should be
automatic in switching on and off.
f) The sensing unit shall be 100% mechanically operated spring load base frame
fixture activation load switch consisting of stop valve, strainer, nozzle, rubber
hoses and installation accessories, with inbuilt hydraulic pump unit & control
valve for water flow regulation, mounted on a base frame, spring loading to
activate spraying in loaded & running condition only.
g) The sensing system shall be so designed to be mounted below the conveyor
belt with minimum modification & capable of controlling & operating at the
water pressure up to 10.5 bar.
h) Incoming cable to pump/compressor control panel shall be supplied and laid
by NTPC. Outgoing power cable ,laying of cable up to individual
pump/compressor shall be in the scope of vendor.
i) The system shall be designed which shall not contain any cabling along
conveyor for spray activation.
j) PVC/MS/RCC water tank & water as per requirement shall be supplied by
vendor.
k) The system should be compatible with 1400 mm width belts having belt speed
2.76 mtr/sec.
l) Tender of those firms will be accepted who has supplied similar type of
system to other Thermal Plants/Cement/Material Handling plants.
m) The complete installation of the system shall be in the scope of vendor
including civil work.
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NTPC Intends to finance the subject work through own resource.
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