Repair /Mtc. Of Rws Scheme/ S.H: Operation, Maintenance And Upkeepment Of 0.30 Mgd Swtp At Hrishyamukhfor A Period Of365 Days Including Mtc. Of Electric Accessories, Rewinding Of Horizontal Motor Suitable For Centrifugal Pump And Providing Of Chemicals An, belonia-Tripura

repair /mtc. of RWS Scheme/ S.H: Operation, maintenance and upkeepment of 0.30 MGD SWTP at Hrishyamukhfor a period of365 days including mtc. of electric accessories, rewinding of horizontal motor suitable for centrifugal pump and providing of chemicals and consumable materials etc. under DWS Sub- Division, Belonia during the year 2025-26.-Operation of plant by deploying pump operator and helperfor operation of Intake Well, chlorinator, clari-floculator, alum dosing, back washing & cleaning of total plant as per requirement in/c operation of s/valves as per direction of the Engineer-in-charge. 2 i) Pump Operator (2 Shift)1 (One) PO for each shift x 365 days = 730 Days 3 i) Helper (2 Shift)1 (One) Helper for each shift x 365 days = 730 Days 4 Providing salt for generation of chlorine solution (hypo) as per direction of the Engineer-in-charge. 5 Providing lime for maintainingph value in raw water as per direction of the Engineer-in-charge. 6 Rewinding of Motor suitable V.T. pumps by complete dismantling in/c providing & rewinding with Super enamelled copper conductor (as per IS : 13730 Part-3 ) conductor & all necessary spare parts and reassembling the same including servicing of rotor & necessary trial run as per specification and direction of the Engineer-in-charge. i) 20 HP 7 Rewinding of Horizontal Motor suitable for centrifugal pumps by complete dismantling in/c providing & rewinding with Super enamelled copper conductor (as per IS : 13730 Part-3 ) conductor & all necessary spare parts and reassembling the same including servicing of rotor & necessary trial run as per specification and direction of the Engineer-in-charge. i) 0.5 - 1.5 HP 8 Providing and fitting fixing Single phasing preventor +selectable under voltage +selectable over voltage on delay 5 sec & off delay 15 sec phase asymmetry 10% L & T /BCH/HAVELS/Siemens etc. make complete as per specification and direction of the Engineer-in-charge. 9 Providing and fitting fixing of spare contact kits without Coil(L & T make) for Auto Star Delta Starter.a) ML-2 type. 10 Providing and fitting fixing of standard operating Coil(L & T make) for Auto Star Delta Starter. a) ML-2 type. 11 Supplying and fitting fixing of Thermal Overload Relays (directly operated& direct mounting on ML-2/3 Contactor) having relay range 9-14A/13-21A of L & T made. (Suitable for ML-2/ML-3 type). 12 Supplying and fitting fixing Electronic Timer Type ST-100 (L & T make) suitable for 240/300/415V, 50 Hz having ranges for 3-30 Secs/12-120 secs. 13 Repairing line / top shaft of different capacity V.T. pumps by welding, grinding, threading, centering etc as per specification and the direction of the Engineer-in-charge. 14 Repairing of V.T. pumps by providing and replacing of Rubber bush for bowel ( conforming to IS : 1710 ) as per specification and the direction of the Engineer-in-charge.i) for 20000 / 27500 GPH capacity V.T. pump 15 Repairing of V.T. pumps by providing and replacing of G.M. bush for bowel ( conforming to IS : 1710 ) as per specification and the direction of the Engineer-in-charge.i) for 20000 / 27500 GPH capacity V.T. pump 16 Repairing of V.T. pumps by providing and replacing of G.M. bush for suction case / discharge case ( conforming to IS : 1710 ) as per specification and the direction of the Engineer-incharge.i) for 20000 / 27500 GPH capacity V.T. pump 17 Cleaning of deposited sand, clay etc from the intake well both inside and outside by manual means with necessary staging etc. as per direction of the Engineer-in-charge. 18 Cleaning of the Sedimentation tank of Water Treatment Plant. complete job as per direction of the Engg-in-Charge. 19 Cleaning of the Filter bed and inspection chamber etc. complete job as per direction of the Engg-in-Charge. 20 Cleaning of Clean Water Delivery chamber complete job as per direction of the Engg-in-Charge. 21 Providingand placing rapid gravity filter sand having effective size of 0.50 mm to1.00 mm & uniformity co-efficient of not more than 1.70 and or less than 1.30 obtained from Barakar river West Bengal as perspecification and the direction of the Engineer - in - charge. 22 Charges for lifting of pump, motor, column pipe etc. from intake well and stacking the same at suitable place as per specification and the direction of the Engineer-in-charge. 23 Providing and fitting fixing with PVC insulated single core multistrand Copper cable conforming to IS : 694 for inter connection with all electrical equipments of the pannel board as per specification and direction of the Engineer-in-charge. 24 i) 25 sqmm 25 ii) 35 sqmm 26 Providing and fitting fixing of Fully utomatic Star Delta type Motor Starter (3 Ph. 50 Hz, 415 V, in Stell Sheet Enclosures with Contractors and Timer etc. complete suitable for Submersible PumpL & T, BCH, ABB make as per specification and direction of the Engineer-in-Charge.iii. 50 Hp/37 KW Relay Range within within 28-42+10% 27 Providing & supplying of Kit-kat Rewireable Porcelain Fuse (Cut-Out) carrier & base of Havells made ( Delux Quality) 28 a) 63Amps/415 Volt 29 b)100Amps/415 Volt 30 Providing and fixing C.I. sluice valves ( with cap ) complete with bolts, nuts, rubber insertions etc. ( the tail pieces if required will be paid separately ) as per CPWD specification and direction of the Engineer - in - charge. 31 i. 150 mm dia.A. PN - 1.6 32 ii. 200 mm dia.A. PN - 1.6 33 Providing and placing gunny/ polythene (of minimum wall thickness of 500 micron) bags filled with sand (of minimum qty of 0.034 cum) and properly manually stitched to avoid any leakage of sand as per specification. 34 Providing and fitting, fixing bamboo (1st class) 85 mm to 100 mm dia for horizontal, diagonal bracing, strut etc. with nails / spikes and binding wire (GI 2.0 mm) as per drawing and specification.

INR 1000 /-

INR 16.41 Lakhs /-

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