Bongaigaon Thermal Power Project

	Salient technical features
Subject	: PROCUREMENT OF ELECTRIC DRIVEN DREDGER ALONG WITH MANDATORY
	SPARES FOR NTPC/BGTPP 3X250 MW SITE.

Salient Technical Features for Dredger Pump

1.Dredger should be of electric power driven type with couple and control panel. DOL starter for pump & all electrical accessories should be provided.

2.Minimum discharge (slurry) capacity of dredger pump- 100m3/hr.

3.Discharge distance of slurry from dredger point should be 100 to 110 metres.

4.Maximum dredging depth below water level is 5 metres.

5.Maximum size of solid to be handled is 75mm.

6.Minimum delivery head is 10metres of WC.

7.Type of dredger pump is centrifugal.

8.Jetting pump should be of two stage centrifugal type.

9.Floating platform (pontoon) with necessary safety railing all along.

10.Mooring & Manoeuvering equipment with all lifesaving appliances should be provided.

11.Minimum dia. of suction & delivery pipe should be 150NB.

*******