petty Operation and maintenance of different capacities Mini SWTPs including repairing and rewinding of various capacities pump-motor at different habitations under DWS Sub-Division, Rupaichari during the year 2025-2026 (Gr.-II).

Lifting of submersible pump with delivery assembly by heavy duty chain - pully after dismantling from delivery line and staking properly as per direction of the Engineer-in-charge.

Labour charge for fitting fixing and lowering of Submersible pump sets with delivery assembly 900 to 00 in/c re-fitting fixing with the delivery line etc as per direction of the Engineer-in-charge.

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.

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) 7.5 - 10 HP

Supplying & fitting fixing of 12.5 HP capacity having dicharge of 2500 GPH centrifugal pump with motor with head of 130 mtr of CG/B.BIJLEE/Kirloskar make and other ISI mark make of 9.3 kW, 15 A etc. all complete in all respect as per direction of the Engineer - in - charge.

Repair and maintenance of 5 HP / 7.5 HP Motor suitable for 2500 GPH capacity submerssible pumpset by complete dismantling in/c providing & fitting fixing of PVC ( IS : 8783-1978 ) insulated electro grade copper ( IS : 613-1984 ) conductor winding in stator & 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.

Repair and maintenance of 2500 GPH capacity submerssible pump by complete dismantling including providing and fitting fixing of all necessary spare parts ( conforming to IS : 8034 ) and reassembling the same including machining, servicing & necessary trial run as per specification and direction of the Engineer-in-charge.

i. Bronze/SS Impeller

ii. Bronze grade LTB 2 / Cutless rubber bush

iii. Bronze grade LTB 2/12% chromium steel grade shaft sleeve

iv. Cast iron grade(FG200) discharge casing

v. Cast iron grade (FG200) suction casing

vi. Cast iron grade (FG200) pump bowl/diffuser

vii. SS Impeller lock

viii. SS half coupling

ix. Stud bolt & nut

x. Dismantling, repairing, reassembling, servicing

xi. Stainless steel pump shaft

Charges for cleaning of deposit sand, clay, etc. from Intake well both inside and outside by manual means with necessary staging as per direction of the Engineer in Charge.

Cleaning of filter bed and Inspection chamber etc. complete job as per direction of the Engineer-in-Charge. Helper = 3 x 12 days.= 36 days. ( @ 1 day /Month)

Charges for clean water delivery chamber complete job as per direction of the Engineer -in -Charge

Providing and placing gunny/ polythene (of minimum wall thickness of 500 micron) bags filled with sand (of minmum qty of 0.034 cum) and properly manually stitched to avoid any leakage of sand as per specification.

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. 25 HP/18.5 kw Relay range within 13-21 + 10%

Providing and fitting fixing steel sheet enclosed switch fuse unit (suitable for DIN fuses), triple pole with Neutral Link (TPN), 415/500 Volt, L & T / Havells / BCH make etc. complete as per specification and direction of the Engineer in-charge. i. 100 Amps

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. 32-40 Amps

Providing and fitting fixing with PVC insulated 3 core flat Copper cable conforming to relevant IS code for submerssible motor with all necessary equipments and fittings as required as per specification and direction of the Engineer-in charge.

i. 2.5 sqmm

ii. 4.0 sqmm

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 2.00 mm) as per drawing and specification.

Providing of Bleaching powder (all purpose).

Providing and laying of apron with cement concrete blocks of size as per Table 1300.1 cast-in-situ and made with nominal mix of M-15 grade cement concrete as per drawing and MoRD technical specification Clause 1301(rate includes preparation of bed, nominal surface re inforcement and filling of granular material in recesses between blocks). a) Concrete grade M 15

Supplying and filling in plinth, under floor, foundations etc. with sand (fine) from local quarry with all lifts including spreading in horizontal layers, watering, grading to required slope, ramming, consolidating and compacting each layer by using plate compactor or by any suitable method complete.

Charges for repairing of leakage in UPVC / HDPE pipe line with PVC coupler & solvent cement etc. including necessary earth excavation, backfilling of soil as required after laying of pipeline, in layers not exceeding 200 mm in depth including consolidating each deposited layer by ramming, watering etc. complete as per specification & direction of the Engineer-in-charge.

i) 90 mm OD

ii) 110 mm OD

iii) 140 mm OD

Providing and fixing G.I. pipes medim class as per IS : 1239 with latest amendment complete with G.I. fittings including trenching and refilling, cutting and making good the walls etc. complete as per CPWD specification and direction of the Engineer - in - charge.

i) 50 mm dia. nominal bore

ii) 80 mm dia. nominal bore

iii)100 mm dia. nominal bore

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.

i) 80 mm dia. A) PN - 1.6

iv) 100 mm dia. A) PN - 1.6

iv) 125 mm dia. A) PN - 1.6