WBPHED/EE/BMD/NIeT- 03 OF 2021-2022/4

Amount

Supply and delivery of following Submersible Pumping Machinery directly coupled with suitable wet winding type Submersible Motor with 3 mtr suitable cable having the following specification and as per technical specification given in NIeT. ( Manufacturer test certificate along with curve chart should be submitted at the time of delivery ) Tubewell Size - 300mm X 200 mm

Discharge - 60M3/Hr Total Head - 30 MWC Outlet Size - 100/125 mm

Supply and delivery at site the following :-

Following MSERW Column Pipe with both side threaded and one side socketted.

3mtr. Long 100mm Φ(TATA make Heavy Duty)

1.5mtr. Long 100mm Φ(TATA make Heavy Duty)

Heavy type suitable dia & long M.S. Suspension clamp with necessary nuts, bolts & washer etc.

M.S. fabricated split type suitable tube well cover as per tubewell housing with a necessary clamping arrangement with including holes for column pipe, air pipe and cable entry etc.

102 mm dia pressure gauge having range 0-7kg/cm2 with 3 way brass cock, syphone and other necessary special as necessary.

Safety device for the above pump set by suitable M.S. Cage with clamping arrangement and nylon rope as per required length including supplying nuts, bolts and other necessary materials as per direction of E.I.C.

Supply and delivery at site following M.S. fabricated cubical type wall mounted motor control center with hinge type front door cover made of 2mm thick CRCA sheet and suitable locking arrangement having fully automatic programmable logic control system based on PLC with manual and fully auto bypass mode, suitable for operation of butterfly valve through actuator along with submersible pumping machinery, automatic chlorinator and capacitor bank according to preset time as per direction and technical specification given in NIeT N.B. Single line diagram ,bills of materials and internal circuit diagram should be submitted for approval before delivery of Panel.

For 4 nos pumps as in Sl no - 1.1 along with modification in the Existing panel of the pump house

Supply and delivery at site three phase actuator and actuator operated 100mm dia flange type slim seal butterfly valve (PN-1) as per Bs-5155 having valve body of steel cast and shaft stainless steel ( AISI-410) Actuator including supply of suitable size control cable of required length

Installation of the cubical type automatic MCC, Pumping Machinery alongwith coloumn pipes and accessories like M.S. suspension clamp, Tubewell cover and other allied fittings actuator operated butterfly valve of item no – 1 to 5 in the pump house including supplying of necessary cover for actuator and hiring materials if required to complete the jobs in all respect as per direction

Supply and following 100mm Φ pipes & specials of best quality and approved make at site :-

Heavy type G.I. equal Tee

200 mm long G.I. Nipple

G.I. Heavy type flange

Steel Plug

G.I. Pipe (M) ( Non TATA)

90 degree bend (G.I.)

ISI marked CIDF Non Return Valve PN-1.0

Making bypass arrangement by supplying and fitting & fixing of ISI marked 100mm dia CIDF Sluice Valve (PN-1.0) 2 nos. 100 mm dia CIDF Tee-1 no. with necessary flange joint by supplying rubber insertion nuts, bolts etc. as per direction.

Supply and delivery of 4.0 sq.mm. copper 3 core,1.1KV grade water proof flat Submersible Cable

Laying of above 4.0 sq.mm. 3 core X 2 Submersible Cable in the underground trenches of 460mm X 760 mm and covering brick ( 8nos. brick per meter run as per I.E. Rules) from Pump House to Tubewell in parallel tier including socketing the cable end and interconnection all complete with G.I. pipe protection from Tubewell to underground trenches & trench to Pump House as per direction.

Supply of 1100V grade XLPE insulated 35 sq.mm. 3.5 core Al. Ar. Cable

Laying of the above 35sq.mm. 3.5 core Al. Ar. Cable from outgoing of existing MCC outgoing to new PLC panel incomer including fitting fixing of compression type brass cable gland and finishing the end of the cable by crimping method including sockettingcomplete as per direction

Making 250mm X 250 mm size rising main supporting brick pillar at least 300 mm depth from ground level to pumping floor lever or as per requirement including plastering and neat cement finish all complete as per direction

Making double Earthing arrangement in compliance with I.E. Rules by G.I. pipe electrode with G.I. funnel ( 50mm X 3 mtr. Long) direct in ground with supplying and fixing of GI. earth busbar, drawing of 25mm x 6mm G.I. earth conductor between pits and as earth busbar inside the pump house and 20mm x 3mm GI strips for continuty to the new PLC Panel. and making suitable size earth pit etc. all complete

Testing and commissioning the whole installation after receiving power with proper functioning of actuator operated butterfly valve by PLC system and other electrical equipments to ensure performance of the equipment in running satisfactorily as per direction of E.I.C.

Add: 12% GST

Add: 1% Cess

M/S NABIN GOPAL SENGUPTA

TAPAN KUMAR SARKAR

UNITED TRADERS