Modification of Intake Barge and installation of pumping machinery and other allied works at Kashiyadanga Intake point of Surface Water Based Water Supply Scheme, Northern Sector, Part-II in Nadia district under Eastern Mechanical Division, PHE Dte.

Amount

Modification of existing Pontoon Mounted Floating Barge Assembly at shifted course of river Bhagarathi at Kashyadanga for Intake of Part II of Northern Sector with M.S. structure as per latest B.I.S. and following all statutory norms along with G.I. corrugated roof, hand railing suitable for installation of 4 nos ( 3R+1S) Vertical free standing Submersible Pumps alongwith other elect/mech. Equipement etc. complete, painting of approved shade and make over a coat of anticorrosive paint including installation complete providing anchoring arrangement of barge and necessary accessories and safety equipment. This includes shifting of dismantling barge from existing shallow water level to River Main Channel by hiring suitable Towing Arrangement through deployment of Skilled Manpower, Entire modication of the existing barge through extension on both side for necessary accomodation of additional pumping machinery guarenteeing floatation study and keeping all safety feature as per relevent rules of Port Trust of India. Details of drawing and design to be submitted to EIC for approval prior to execution of the work.

Construction of pipe carriageway of MS structure of suitable width to carry suction/delivery pipe upto the bank of the river with suitable RCC structure supported on column & adequate foundation/piles where necessary.

Cone sphere design , double flanged manually gear operated Cast Iron Butterfly Valve having body disc and end cover in graded cast Iron to IS 210 Gr. FG 200 . synthetic rubber face ring secured on disc by a SS retaining ring with stainless steel screws , the rubber ring seating on a corresponding SS seat in body, stub shaft of AISI 431 riding in teflon bearings , valves suitable for a working pressure of 10/16 kg/sq cm (seat test) and body tested to 15/24 kg/sqcm. Flanges drilled to IS 1538 Table 4 & 6. (for PN 1.0 ratings) (i) For 250 mm dia.

Supply delivery and storage Non-clog Submersible Pump-Motor set having capacity 347.5 mᵌ/h at 37 Mtr head with 10 Mtr Power & Control cable, impeller CF8M, 5 Mtr MS Galvanised lifting chain etc.

Add: GST @ 18%

Add: LWC @ 1%

G B CONSTRUCTION

DYNAMIC CONSTRUCTION CO.