Construction of One 01 (One) No. SBDTW and mtc of Pipeline within Kakraban R.D. Block under DWS Sub-Division Kakraban, Gomati Tripura during the year 2025-26. (Deposit Work)

Drilling and boring pilot hole in any soil strata by manual means, collection of soil samples of different strata met with during drilling at various suitable levels, preservation of samples in polythene bags / sample boxes and disposal of excess soil or mud, including the cost for water etc. as required to maintain the pilot hole properly as per specification and direction of the Engineer - in - charge. i) 100 mm dia

Reaming of pilot hole to an enlarged bore hole in any soil strata by manual means, disposal of excess soil or mud, including the cost for water etc. as required to maintain the bore hole properly as per specification and direction of the Engineer - in - charge. i). From 100 mm dia. pilot hole to 250 mm bore hole-

Washing and development of tube well by using hand pump or by any suitable method and testing of the well as per specification and direction of the Engineer - in - charge.

Providing & lowering of UPVC pipe as per IS:12818 after washing of the bore hole by manual means as per specification and direction of the Engineer - in - charge. C.M Casing Pipe. i) 150 mm dia

ii) 100 mm dia

B. RS pipe iii) 100 mm dia

Providing and fixing of UPVC reducer suitable for UPVC 'CM' casing or 'CS' casing or 'RS' pipes as per specification and direction of the Engineer - in - charge. i) 150 x 100 mm dia

Providing and fixing of UPVC end cap / well cap Suitable for UPVC 'CM" casing or 'RS' pipes as per specification and direction of the Engineer - in - charge. i) 100 mm dia

Providing and fixing of housing clamp ( made with 12 mm thick MS sheet ) along with well cap (made with 10 mm thick MS sheet ) with necessary arrangements for SBDTW as per specification and direction of the Engineer - in - charge. iii) 150 mm dia

Providing and shrouding of the deep tube well assembly with washed pea gravels ( 2.0 - 4.75 mm effective size ) as per specification ( IS : 4097) and direction of the Engineer - in -charge. with pea gravels obtained from Durgapur, West Bengal.

Supplying and installation of water lubricated submersible pump having ISI mark of capacity 2000 GPH of total head upto 60mtr.Couple with submersible motor 3 HP suitable for 240voltage(+10% variation single phase 50HP,AC supply DOL starting method to run 2880 RPM along with 35mtr 2.5sqm,PVC insulated 3(Three)core flat copper cables including fitting fixing and lowering with 40mm dia GI pipe upto 100ft.(30.00mtr.)etc complete as per direction of the Engineer-in-charge(cost of 40mm dia. Gland fittings will be paid seperately)

Providing and fixing C.I. non-return valve of approved quality as per CPWD specification and direction of the Engineer - in -charge.50 mm nominal bore

Supplying and fitting fixing of KIOSK(Size 450mm x 200mm x 850)fiited with 4 Nos support of 75mm x 75mm (^mm thick) MS angle of embedding with 1:2:4 cement concrete base(size:300mm x300mmx600mm) with proper locking arrangement and coating with anti corrosive paints(both inside and outside)in/c complete in all respect as per direction of the Engineer – in – charge.

Providing and fitting fixing of single phase motor starter panel unit 3.0HP capacity comprising with 2 plate conductor,over load relay,capacitor,volt meter of BCH/L&T make with necessary copper wire etc complete as per direction of the Engineer-in-Charge

Excavating trenches of required width for pipes, cables etc. including exacavation for sockets, dressing of sides where required, ramming of bottoms, depth upto 1500 mm (slope-1 in 200)including getting out the excavated soil and 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. and disposing of surplus excavated soil with all required leads as per Chapter - 2 of CPWD specification and direction of the Engineer - in - charge.A. For UPVC pipes in new work a. In all kinds of soil i) For pipes not exceeding 90mm dia

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. A. External work. i) 15 mm dia. nominal bore

ii) 40 mm dia. nominal bore

Providing, fixing and laying rigid UPVC pipes conforming to IS : 4985 jointing with couplers, of same class conforming to IS : 10124 ( Pt-II ) with solvent cement conforming to IS : 14182 including testing of joints complete ( but excluding the cost of specials like bend, tees etc. which will be paid separately ) as per CPWD specification and direction of the Engineer - in - charge. A. Class - 3 ( working pressure 6.0 kg / cm2) i) 40 mm dia

Providing and laying of flexible PVC pipe (conforming to IS:7634) complete as per specification and direction of the Engineer - in - charge (cost of earth work and fittings will be paid separately). i) 15 mm dia

ii) 20 mm nominal bore

Providing and fixing G.I. Full way valve as per CPWD specification and direction of the Engineer - in - charge. i) 15mm dia

ii) 40 mm dia

Providing and fixing brass ferrule with C.I. cover conforming to IS : 2692 including boring and tapping the main as per CPWD specification and direction of the Engineer - in - charge. i) 10 mm nominal bore

Providing and fixing G.I. Equal Tee in the pipe line including testing of joints complete as per CPWD specification and direction of the Engineer - in - charge. i) 40 x 40 x 40 mm dia

Providing and fixing G.I. Un Equal Tee in the pipe line including testing of joints complete as per CPWD specification and direction of the Engineer - in - charge. i) 40 x 40 x 15 mm dia

Providing and fixing of GI Union as per CPWD specification and direction of the Engineer-in-charge. i) 15 mm dia

Providing and fixing G.I. socket as per CPWD specification and direction of the Engieer-in-charge. i) 15 mm dia

Providing and fixing G.I Bend /elbow in the pipe line including testing of joints complete as per CPWD Specification and direction of Engineer -in-charge. i) 15 mm dia

Providing and fixing C. I. Bib cock ( long handle ) as per CPWD specification and direction of the Engineer - in - charge. (i) 15 mm dia

Providing and fixing G.I. Nipple of medium class as per CPWD specification and direction of the Engineer - in - charge.ii. 15 mm dia 150 mm long

Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering - -All work upto plinth level:1:2:4 ( 1 Cement: 2 fine sand : 4 graded well burnt brick aggregate 20 mm nominal size)

Providing and fixing hard drawn steel wire fabric of size 75 x25 mm mesh or other suitable size wire mesh to be fixed & firmly anchored to the concrete surface by means of "L" shaped mild steel shear key welded with existing reinforcement including the cost of materials, labour, tool & plants, as required and as per direction of the Engineer-in-cha

Providing and fixing U.P.V.C. service saddle as per CPWD specification and direction of the Engineer - in - charge. i. 40 mm dia with 15 mm dia opening

Supplying and fitting fixing of 32 Amp single phase Main Switch of BCH/L7T/Havel's making with necessary copper wire wiring etc. Complete as per direction of the Enginner-in-charge.

Repairing and maintenance of submersible motor suitable for submersible pump set by complete dismantling in/c providing & fitting fixing of PVC (IS: 8783-1978) Insulated electro grade copper (IS:613-1984) conductor winding in startor & all necessary spare parts and reassembling the same in/c servicing of motor & necessary trial run as per specification and direction of the Engineer-in-charge. i) 2.0 HP motor suitable for 2000 GPH capacity submerssible pumpset.

i) 3.0 HP motor suitable for 2000/2500 GPH capacity submerssible pumpset.

Repairing of 2 HP/3 HP capacity submerssible pump of different make in/c dismantling the old unserviceable pump and reassembling the pump in good condition by providing necessary trial run as per specification and direction of the Engg-in-charge.

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) 2.50 sqmm

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