Salient Technical Features

“Salient Technical Features of the equipment / systems / services covered in IFB No.

40058455 are mentioned below. These Salient Technical Features are mentioned only to facilitate the prospective bidders to prima-facie understand the requirements under the tender and shall not in any way limit or alter the scope of work and technical features / specification of equipment / systems / services covered in the Bidding Documents. Detailed provisions in regard of scope of work and technical features / specification of equipment / system / services, contained in the Bidding Documents shall be final and binding”.

BRIEF SCOPE OF WORK FOR ASH WATER RECIRCULATION SYSTEM PACKAGE

1.The scope of work shall include design, engineering, manufacturing, shop fabrication, testing at works, transportation to site, unloading and storage at site, in plant transportation, insurance, fabrication at site, including all associated civil, structural & Architectural works, erection, testing, commissioning, trial operation, performance and guarantee testing and all equipment and works required for completing the Ash Water Recirculation System Package.

2.The decanted water from dyke shall be led to overflow lagoon. The water from overflow lagoon is proposed to be re-circulated and re-used in ash handling system. For this purpose one (1) number AWRS pump house is envisaged near to overflow lagoon(OFL-I) & another one (1) number AWRS pump house is envisaged near to OFL-II.There are 4 nos AWRS pumps, out of which 2 nos. shall be used for pump house-I and 2 nos. shall be used for pump house-II, each of capacity 500 m3/hr and 46 MWC head & 58 MWC head respectively with 3.5 Km long ,300 NB(5.6 mm thick pipe as per IS:3589) AWR pipeline and valves.

3.Scope for Ash pond fugitive Dust suppression System inclusive of associated Civil, Electrical and C&I works for ash pond using decanted ash water is also included in this package. There are two (2) nos. fugitive dust suppression pumps (1W+1S) located at AWRS pump house-I (PH-I) & three (3) nos. fugitive dust suppression pumps (2W+1S) located at AWRS pump house-II (PH-II). Complete piping, fittings and valves are included in the scope of the package. Power supply from plant end to respective AWR pump houses (Pump House-I & Pump House-II) and its further distribution is included in scope of works.

Salient Technical Features

1.The scope of work covered in this package includes design, supply, erection and commissioning of complete Ash Water Recirculation System inclusive of associated Civil, Electrical and C&I works.

2.This scope also includes ash pond fugitive dust suppression system. Supply, erection and commissioning of Pumps, Piping and sprinklers are included in scope of work.

Other Salient Features –

a)Ash Water Recirculation Pumps (Pump House-I) :

∙	Nos. Required	: Two (2)
∙	Capacity	: 500 m3/hr, 46 MWC
b) Ash Water Recirculation Pumps (Pump House-II) :
∙	Nos. Required	: Two (2)
∙	Capacity	: 500 m3/hr, 58 MWC
c) Recirculation Pipe		: 300 NB size & 3.5 Km long

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d) Dust suppression water pumps (Pump House-I)

∙	Nos. Required	: Two (2)
∙	Capacity	: 170 m3/hr, 80 MWC

e)Dust suppression water pumps (Pump House-II)

∙ Nos. Required	: Three (3)
∙ Capacity	: 200 m3/hr, 110 MWC

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