Supply and delivery of Electro Mechanical components for SATKHAYA Tea Garden Area Piped Water Supply Scheme in the district of Jalpaiguri.

Amount

Supply & delivery at site the submersible Pump directly coupled with 3phase,50cycles,Water cooled submersible Motor for Installation in Big dia deep Tubewell as per following specification:- a) Discharge of clear water=(Q) 18 Mᶟ/Hr. b) Total Head =(H) 97 M. Motor should work within a voltage range 400V ± 10% Impeller of the Pump should be of G.M./Bronze/S.S..,Bowl dia should not exceed 150 mm O/D. [Test Certificate & Curve chart are to be submitted at the time of delivery after having necessary approval from EIC. ]

Supply, delivery & storage at site of panel for fully automatic Programmable Logic Control system of Motor with starter,Actuator & Butterfly valve. as per following specification:-

Supply & delivery at site M.S. fabricated type wall Mounted motor control center of rating above 7.5 H.P - 15 H.P (STAR-DELTA) with hinge type front door cover made of 2mm CRCA sheet and suitable locking arrangement having control fully automatic programmable Logic control system with manual by pass mode, suitable for operation of submersible pumping machinery and Chlorinator part by part according to preset time. Painting of the cubicle motor control center by powder coated paint over a coat of primer after de-rusting properly including arrangement of bracket for fixing the panel on wall & the said cubicle motor control center comprising of:-

OUTGOING FEEDERS : Motor Protection Relay (MPR-300) of sutaible rating ….. 1 no., Power Contactor, 3P (Main & Delta) of sutaible rating …2 nos. , 1 NO AUX & 1 NC AUX Contact for above Contactor of sutaible rating ….. 6 nos., Power Contactor, 3P (Star) of sutaible rating ….. 1 no. , MCB, 3P for capacitor of sutaible rating….. 1 no. , Capacitor 440V of sutaible rating )….. 1 no., Iluminated P.B switch, (Green, Red) of sutaible rating …… 2 nos., 1 NO AUX & 1 NC AUX Contact block for above P.B of sutaible rating …… 4 nos. , (STAR-DELTA) Timer of sutaible rating …… 1 no., P. Terminal 3way of sutaible rating…… 2 nos.

CONTROLLING OF 3 PHASE 415V CHLORINATOR- 1 No. COMPRISING OF : MCB, 3P of sutaible rating ….. 1 no. Power Contactor, 3P of sutaible rating ….. 1 no. 1 NC AUX, Contact for above Contactor of sutaible rating ….. 1 no. BI-Metallic overload relay of sutaible rating .. 1 no. Mounting Kit for above BMR of sutaible rating .. 1 no. Indicating lamps LED type (Trip) of sutaible rating ….. 1 no. Iluminated P.B switch, (Green, Red) of sutaible rating …… 2 nos. 1 NO AUX & 1 NC AUX Contact block for above P.B of sutaible rating …… 2 nos. Level controller for Chlorinator Tank (GIC/other approved make)…….. 1 no. AUX, Contactors 2 NO + 2 NC of sutaible rating … 1 no. On delay timer …….. 1 no.

CONTROLLING OF SINGLE PHASE 230V VALVE ACTUATOR - 1 No., COMPRISING OF : MCB,SP of sutaible rating ….. 1 no. Power Contactor, 3P of sutaible rating ….. 2 nos. 1 NC AUX Contact for above Contactor of sutaible rating ….. 2 nos. BI-Metallic overload relay of sutaible rating ….. 1 no. Mounting Kit for above BMR of sutaible rating ….. 1 no. AUX, Contactors 2 NO + 2 NC of sutaible rating …2 nos. Indicating lamps LED type (Trip) of sutaible rating ….1 no. Iluminated P.B switch, (Green, Red) of sutaible rating …… 2 nos. 1 NO AUX & 1 NC AUX Contact block for above P.B of sutaible rating …… 4 nos. Normal push button switch, Red (Valve act. stop) of sutaible rating…… 1 no.

PLC - 1 No., COMPRISING OF : Microprocessor based PLC with real time clock and equipped with 2 lines Alphanumeric display and freeloaded programme (pump guard) for proper operation of water pump & chlorine pump. Make: ---- 01 no. , Power supply (230V AC/ 24V DC)……… 1 no., 4 CH. relay board of sutaible rating, reputed make…… 1 no. Normal push button switch, Yellow (for system reset) of sutaible rating )…… 1 no., Auto Manual Sel. switch of sutaible rating ….. 1 no., Over load relay for above 7.5 H.P - 15 H.P [Circuit diagram & Test Certificate are to be submitted at the time of delivery]

Single phase Actuator operated wafer type Butter Fly valve PN 1.0 rating of nominal dia 80mm as per BS-5155 having valve body of CI (Grade IS-210 FG 260) and shaft stainless steel (AISI-410). [ Test Certificates from both the manufacturer are to be submitted at the time of delivery ]

Supply & delivery of 4 sqmm 3core PVC flat copper submersible Cable

Supply & delivery of 80mm dia M.S. seamless column pipe(black) 6.8mm to 7.1 mm thick with 125mm long heavy type socket at one end.

i) 3.00 m long excluding socket having 8T.P.I. thread.

ii) 1.50 m long excluding socket, one end having a thread of 11 T.P.I & the other end having a thread of 8 T.P.I.

Supply & delivery of automatically controlled Hydraulic diaphragm type Chlorinator for accurate dosing of Chlorine solution into the water by connecting Chlorine pump ( Diaphragm type) having following specification:- Pump type :: Hydraulic Diaphragm Liquid :: Chlorine solution Capacity ( LPH) :: 0-100 Pressure kg/cm2 ( Testing) :: 10 Pressure kg/cm2 ( suction) :: Flooded Pressure kg/cm2 ( Hydro) :: 15 Connection Suction :: ½” Hose Holder Connection Discharge :: ½: Hose Holder MOC Liquid End :: PP Diaphragm :: PTFE NRV :: PP Drive capacity :: 0.5HP, 3 phase, 50Hz, 415V, 1440 RPM Motor Coupling capacity :: Flexible Spider Strainer :: Y type, PP, ½” BSP (F) Pressure Relief Valve :: Inbuilt. Solution Tank :: 100 ltr capacity ( Including making provision for inlet line to the actual storage tank of dosing solution of all materials. [ Test & Warranty Certificates are to be submitted at the time of delivery ]

Supply & Delivery at following sites of Calcium Hypochlorite [Ca(Ocl)2] tablets with minimum 60% to 65% chlorine content (each tablets of 20 gm/50gm weight) and the tablets should be packed in plastic packets with air seal and kept in air tight plastic container (weighting 25kgs each) for following pump houses N.B:-Test certificate mentioning the percentage of chlorine content/ containing toxic element and Batch no /year of manufacturing to be submitted during delivery of the material.

Make: As per Departmental approved vendor list for different item circulated vide memo No PHE/IV/2277/W-181/19 dated-25/09/2019.

Add GST @12% (CGST@6% + SGST@6%)

SARKAR ELECTRIC

CHOWDHURY AND BASU ENTERPRISE