Maintenance of park and gardenin NDMC area during 2025-26.

P/F G.I. pipes complete with G.I. fittings including trenching and refilling etc. External work (A)65 mm dia nominal bore

Making connection of G.I. distribution branch with G.I. main of following sizes by providing and fixing tee, including cutting and threading the pipe etc. complete. (b) 50 to 80 mm dia. nominal bore

Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) : (a) 20 mm nominal bore

(b) 50 mm nominal bore

(c ) 65 mm nominal bore

Repairing of leakages in 50mm to 75mm dia HDPE pipe by electrofusion method/butt fusion/saddle fusion including all required fixture/fitings, excavation of trenches ,backfiling of excavated earth etc complete in all respect as per directions and satisfication of Engineer-in-charge.

Providing, laying and jointing in position HDPE Pipe confirming to IS 4984:1995 and suitable for the respective working pressure with all fittings and accessories i.e. coupling, tees, bends, reducers, screwed adapter, flanged tail pieces ,metallic saddle etc., jointing as per manufacturers instructions and testing of joints etc. complete as per directions of Engineer-in-Charge. (A) HDPE Pipe PE-80 PN-10 DN- 90 MM

(B) HDPE Pipe PE-80 PN-10 DN- 75 MM

(C) HDPE Pipe PE-80 PN-10 DN- 63 MM

Providing , laying and jointing in position UPVC pipe confirming to IS 4985: 2000 and suitable for the respective working presure with all fittings and accessories i.e coupling, tees, bends, reducers, screwed adaptor, flanged tail pieces etc., jointing as per manufactures instructions etc., complete as per directions of Engineer-in-charge. (A) UPVC Pipe 50 mm x 6kg/cum2

Excavating trenches by mehinical / manual means of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms for all depth including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering etc. and disposing of surplus excavated soil as directed, within a lead of 50 m All kinds of soil. (A) Pipes, cables etc, not exceeding 80 mm dia

(B) Pipes, cables etc. exceeding 80 mm dia. but not exceeding 300 mm dia

Providing and fixing PP Service Saddle of different size in the existing HDPE pipe line of different sizes complete in all respect including testing etc as required at site with outlet of size 20 mm dia & direction of Engineer-in-Charge. (A) PP Service Saddle of size 90 mm dia

(B) PP Service Saddle of size 75 mm dia

(C) PP Service Saddle of size 63 mm dia

PP Service Saddle of size 50 mm dia

Providing and fixing of the following material at site,complete as per directions of Engineer-in charge (A) GI Nipple 20 mm dia x 100 mm long duly threaded both ends.

(B) GI Nipple 20 mm dia x 200 mm long duly threaded both ends.

(C) GI Elbow 20 mm dia x 200 mm long duly threaded both ends.

Providing and fixing of 20 mm dia upvc pipe Nipple 20cm long, complete as per directions of Engineer-in-charge

Providing and fixing of 20 mm dia upvc sockets with plug, complete as per directions of Engineer-in-charge

Supplying and fixing PVC ball valve of approved quality of 25 mm dia as per direction of Engineer in Charge.

Repairing of Submersible Dewatering Pump Set including lifting and taking out of 3 Phase 415 Volt AC Supply Replacement of defective Parts, Machanical Seal Upper & Lower, Ball Bearing upper & lower, O Ring Set, Rotor Reparing, Hardware Kit. labur charges for Dismantling and overhauling the pump set at work shop, testing etc and installing lowering of pump set including delivery pipe with suitable connection fittings as per directions of Engineer-in-charge. (A) 5 HP open well Submersible Pump

(B) 7.5 HP open well Submersible Pump

(C) 10 HP open well Submersible Pump

Rewinding of Sewerage/dranage submersible motor stater 3 phase 415 volt AC Supply 50 Hz suitable size of copper winding wire with allied rewinding material including dismenteling and reassembling the motor at work shop, as required. (Old burntout part would not be return back to the department). testing, lifting & lowering etc. Complete as per directions of Engineer-in-charge. 16 HP Submersible Dewatering Pump

Rewinding of Sewerage/drainage sbmersible motor stater 3 phse 415 volt AC Supply 50 Hz suitable size of copper winding wire with allied rewinding material including dismenteling and reassembling the motor at work shop, as required.(Old burntout part would not be return back to the department). testing etc. complete as per directions of Engineer-in-charge. (A) 5 HP open well Submersible Pump

(B) 7.5 HP open well Submersible Pump

(C) 10 HP open well Submersible Pump

Lifting and taking out upto 16 HP submersible dewatering pump set from the sumps/ tank etc. with the help of chainpully and tripod stand and take away to workshop from respective site for rectification etc. complete as per direction & entire satisfaction of engineer-in-charge.

Installing and lowering of submersible Dewatering pump set upto 10 HP from workshop to respective site with the help of chainpully and tripod stand, connection of delivery pipe, electric cable connection, testing etc. as required as per direction and entire satisfication of Engineer-in-Charge.

Providing and fixing gun metal non-return valve of approved qualilty (screwed end) : (A) 80 mm nominal bore (Horizontal)

(B) 80 mm nominal bore (Vertical)

Providing and laying in position cement concrete of specified garade excuding the cost of centering and shuttering - All work up to plinth level : (A) 1:2:4 (1 Cement : 2 Coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

(B) 1:4:8 (1 Cement : 4 Coarse sand (zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources)

Servicing, repairing & maintenance of 3 phase 415 volt AC supply electrical cubical panel board suitable for Sewerage/Dewatering Submersible pump set providing fixing unservicable electrical accessories as and when required at site as per following : complete as per directions of Engineer-in-charge. (A) Overload relay range 9-14 amp, 20-32 amp L&T make

(B) Contractor ML type L&Tmake 40 amp.

(C) Single Phase Preventor L&T make

(D) AMP meter (0-50 amp.) A E make SMR 96

(E) MCB 32 amp. L&T Make 4 pole

(F) MCB 40 amp. L&T Make 4 pole

(G) MCB 63 amp. L&T Make 4 pole

(H) Contractor ML type L&Tmake 25 amp.

(I) Volt meter (0-30 Volt) A E Make SMR 96

(J) Electronic timer type ST 100, 12- 120 second L&T Make

(K) MCCB 100 amp. 4 pole L&T Make type DU 125H Cat. No. CM90679OOLO

Providing and fixing suction hose pipe green colour of of 75 mm diameter complete as per directions of Engineer-in-charge

Deduct- Purchase and taking away the following dismenataled material received after dismenteling from the site including all lead etc. complete as per direction of Engineer-in-charge. (A) Overload relay range 9-14 amp, 20-32 amp L&T make

(B) Contractor ML type L&Tmake 40 amp.

(C) Single Phase Preventor L&T make

(D) AMP meter (0-30 amp.) A E make SMR 96

(E) MCB 32 amp. L&T Make 4 pole

(F) MCB 40 amp. L&T Make 4 pole

(G) MCB 63 amp. L&T Make 4 pole

(H) Contractor ML type L&Tmake 25 amp.

(I) Volt meter (0-500 Volt) A E Make SMR 96

(J) Electronic timer type ST 100, 12- 120 second L&T Make

(K) MCCB 100 amp. 4 pole L&T Make type DU 125H Cat. No. CM90679OOLO

(L) M.S / G.I./ Gun metal.

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