WBPHED/EE/AMD/NIeT-29 of 2024-2025/3

Amount

Supply, Delivery at site foot mounted horizontal split casing centrifugal pumping machinery capable of discharge against total head complete with pump motor set with tyur type coupling and M.S. fabricated channel base etc. for as per following specifications: Capacity: 157m3/hr. Head: 72m Pump Casing : CI Pump Shaft: SS410, Impeller : LTB2 Base Frame: Frabicated Steel,Neck Ring-LTB2,Shaft Sleeve-SS410 Speed: 1440 to 1500rpm, Testing : as per IS :9137 Pump should have efficiency above 65% at duty point. Make: Approved Make [MOC, Test Certificate, warranty certificate along with characteristics curve to be produced at the time of delivery] (Mateials should be supplied after taking approval from department.) (All routine test to be performed in presence of EIC before delivery.) Including supply and delivery of channel Base frame, coupling, Tyur type coupling guard and companion flanges (for centrifugal pump motor set ) Supply and delivery at site of horizontal foot mounted squirrel cage induction motor of suitable rating for driving the pump mentioned above. Power Supply: 415V+/-10%, 50HZ ± 6%, 3Ph, Duty: S-1, TEFC, IP55, Class – ‘F’ temp rise limited to class ‘B’ Motor ( IS 325) should be ‘ efficiency class: IE3” . Ambient temp. 50°C Speed: 1500 rpm as sync (Make: Approved make) (Mateials should be supplied after taking approval from department.) (All routine test to be performed in presence of EIC before delivery.)

Supply, delivery and storage at site Cast iron double flanged Rising Spindle Sluice Valve generally confirming to IS 14846 having body door and cover of cast Iron Gr FG 260, outside screen rising Spindle of IS 6603 Gr-12 cr-13, spindle nut & seat rings are Gunmetal as per 1S:318 LTB 2. Flanges flat faced and drilled to IS:1538 Part IV & VI, Valves are suitable for maximum working pressure of 10 kg/sqcm (seat test) and body tested to 15 kg/sqcm. All the valves should be tested by closed end method only.(Test Certificate, Waranty certificate to be submitted for each valve at the time of delivery)

250 mm dia Sluice Valve ( AT SUCTION SIDE OF PUMP) PN-1.0.

Supply, delivery and storage at site of Cast iron double flanged single door swing non-return valve generally conforming to IS:5312 Part I, having body, door, cover in graded cast iron to IS:210 Gr.FG200, body and door rings & bearing block of leaded tin bronze to IS:318 Gr.LTB 2 (350mm & above), hinge pin of st.st.AISI410, valve suitable for a maximum working pressure of 10kg/cm2 (Seat test) & body tested to 15 kg/Sqcm.(Test Certificate, Waranty certificate to be submittered for each valve at the time of delivery)

200 mm dia NRV ( AT DELIVERY SIDE OF PUMP) PN-1.0.

Supply, delivery and storage at site of Cast Iron wafer type Butterfly Valve generally as per BS-5155, having body of cast iron as per 1S:210 gr. FG-260, disc of SS Gr CF-8, Shaft of St.steel AISI-410, ‘O’ ring for shaft seal of Nitrile rubber, valves are suitable for PN 1.0 rating. Valves are operated by suitable RotorkK.range (three phase 415 V) multi turn electrical actuator without starter(Test Certificate, Waranty certificate to be submittered for each valve at the time of delivery)

200 mm dia.(AT DELIVERY SIDE OF PUMP)( 3Phase, 415Volt)

Supply, delivery and storage at site of following dia. MS Dismantling joints with Rubber compression Ring and adjustable follower flanged complete assembled unit with galvanized stud and nuts PN-1.0.

250 mm dia Dismantling Joint PN-1.0 (AT SUCTION SIDE OF PUMP)

200 mm dia Dismantling Joint PN-1.0 (AT DELIVERY SIDE OF PUMP)

300 mm dia Dismantling Joint PN-1.0 (AT DELIVERY SIDE OF PUMP)

Supply, delivery and storage at site of following 150 mm dia Glycerine filled Diaphragm Seal type Gagues with syphon tube and three way cock. (Make - H.Guru)

Pressure Gauges (0-15 kg/ cm2)

Compound Gauges (+1-1 KSCG)

Supply, Delivery and storage at site 3 core 1.1 KV Grade 70 mm2 Al Ar. XLPE insulated Cable as per IS:7098(Part-I).(For MCC Panel to individual Induction Motor)

Supply, Delivery and storage at site 3 core 1.1 KV Grade 4.0 Sq. mm. XLPE insulated Al.Ar Cable as per IS: 7098(Part-I).(For MCC Panel to individual valve actuator.)

Supply, Delivery and storage at site 12 core 1.1 KV Grade 1.5 Sq. mm. XLPE insulated Copper control Cable as per IS: 7098(Part-I).(For Control of Acctuator operated Butterfly Valve)

Supply of 200mm, 250mm and 300 mm dia 9.5 mm thick MS black Pipes (For delivery common header, individual Suction & Delivery Pump under sl no 1.01 along with necessary Flanges, fittings viz.bolts, nuts gaskets, eccentric reducers 250 X 150 mm, concentric enlarger 100 mm X 150 mm etc. as reqd. to make the installation complete in all respect.

Supply, Delivery and Storage at site 40 mm dia, G.I Pipes (medium duty), Bends,sockets, Tees,fittings, and other specials,gasketsetc. as reqd. to make the piping arrangement of vacuum pump complete in all respect. (For priming arrangement)

Supply, delivery at site and storage of GI perforated cable tray at Pump house for laying of outgoing power and control cables to and from MCC Panel having proper M.S. structural support as per Specification.

Installation of above supplied materials, including construction of Pump foundations, pipe supports, valve supports, laying of cables with necessary jointing materials, earthing arrangement of motors, starters, including supply of all erection items viz. rubber gaskets, nuts & bolts etc., including cost of welding etc, Painting of the installation (viz. pumps frame,valves, pipe lines etc. by two coats of epoxy paint (colour to be decided by EIC) over a coat of primer, all complete as per relevent IE Rules, and upto entire satisfaction of EIC.

Add. GST@18%

Add. Cess@1%

WEST BENGAL ENGINEERING CO. (BID ID -5684336)

M S ENTERPRISE (BID ID -5683372)

M/S. Sajahan Chowdhury (BID ID -5699500)