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| 1 | 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 |
| 3 | ii. Helper |
| 4 | Repairing ofV.T. pumps by providing and replacing of G.M. bushfor bowel (conforming to IS : 1710) as per specification and the direction of the Engineer-in-charge.i)For 40000 / 50000 GPH capacity V.T. pump. |
| 5 | Repairing of V.T. pumps by providing and replacing of G.M. bushfor suction case / discharge case (conforming to IS : 1710) as per specification and the direction of the Engineer-in-charge.i) For 40000 / 50000 GPH capacity V.T. pump |
| 6 | Repairing ofV.T. pumps by providing and replacing of Rubber bushfor bowel (conforming to IS : 1710) as per specification and the direction of the Engineer-in-charge.i) For 40000 / 50000 GPH capacity V.T. pump |
| 7 | Repairing ofV.T. pumps by providing and replacing of MS lock (conforming to IS : 1710) as per specification and the direction ofthe Engineer-in-charge.i) For 40000 / 50000 GPH capacity V.T. pump |
| 8 | Repairing of V.T. pumps by providing and replacing of bronze impeller (conforming to IS : 1710) as per specification and the direction of the Engineer-in-charge. i) For 40000 / 50000 GPH capacity V.T. pump |
| 9 | Repairing of VT pump by providing and replacingSS Shaft(SS-410) as per specification and the direction of the Engineer-in-charge.i) For 40000 / 50000 GPH capacity V.T. pump |
| 10 | Repairing of VT pump by providing and replacingCI bowl case as per specification and the direction of the Engineer-in-charge.i) For 40000 / 50000 GPH capacity V.T. pump. |
| 11 | Repairing of VT pump by providing and replacingCI suction/discharge case as per specification and the direction of the Engineer-in-charge.i) For 40000 / 50000 GPH capacity V.T. pump |
| 12 | 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. |
| 13 | i) 35-40 HP |
| 14 | ii) 50-65 HP |
| 15 | Rewinding of Horizontal Motor suitable for centrifugl pump 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 |
| 16 | Providing and Fitting fixing of 3 pole Power Contractor ML-3 (L&T make) |
| 17 | Providing and fitting fixing of Electrical Timers type ST-100 (L&T make) |
| 18 | Providing and fitting fixing of Thermal overload relays, really range( 28-42) Amps of ML-3 (L&T make). |
| 19 | Supplying of Fuse Suitable for DIN Type Fuse Links Type HNfor Type FN 200 / FNX 200 S-D-F & for HB 250 Fuse base currant rated 100 A) |
| 20 | Providing Fitting fixing of Direct on line starter MK1 Max motor output at 415V, 3-Ph for upto 5.5 kw (L & T make). |
| 21 | Providing Fitting fixing of definite purpose contactors on Direct line starter MK1 Max motor output at 415V, 3-Ph for upto 5.5 kw (L & T make) |
| 22 | Providing and fitting fixing of Fully Automatic Star Delta type Motor starter 3 ph. 50 Hz, 415V, in Steel Sheet Enclosures with Contractors and Timer etc. complete suitable for submersible Pump L&T, BCH, ABB make as per specification and direction of the Engineer-in-charge.i) 50 HP/ 37 kw Relay range within 28-42+ 10% |
| 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 & direction of the Engineer-in-charge. i) 16 sqmm |
| 24 | Providing and fitting fixing of moving Iron type, range 0-500 V, 96mm x 96mm size AC Volt meter (L&T/AE make) with selector witch as a electrical instrument of the panel board as per specification and direction the Engineer-In-Charge. |
| 25 | Providing and fitting fixing of moving iron type, Range 0-100 V, 96 mm x 96 mm size AC Amps meter direct reading type ( L & T / AE make) with selector switch and CT coil as a electrical instrument of the pannel board as per specification and direction of the Engineer-in-charge. |
| 26 | Providing and fitting fixing of Moulded Case Circuit Breaker (MCCB) of different Thermal release range, 415 + V, 50Hz (L & T, BCH, ABB make) as per specification and direction of the Engineer-in-charge.i) 63-80 Amps |
| 27 | 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. |
| 28 | Clearing Sedimentation tank of 0.30 MGD Capacity Water Treatment Plant.as per direction of the Engineer - in - charge. |
| 29 | Clearing of Filter bed andinspectionchamber. |
| 30 | Clearing of Clean Water Deliverychamber |
| 31 | 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. |
| 32 | Providing and fixingC.I. sluice valves (with cap) complete with bolts, nuts, rubber insertions etc. (the tail pieces if required will be paid separately) as perCPWD specification and direction of the Engineer - in - charge.i) P.N. - 1.6 |
| 33 | i) 80 mm dia |
| 34 | ii) 100 mm dia |
| 35 | iii) 125 mm dia |
| 36 | iv) 150 mm dia |
