Drinking water supply Arrangement at Baisakhi Abasan block no- 3 of Debram Thakur GP under old Agartala R.D block /SH Arrangement of Drinking Water Supply by Constr. of 1No. SBDTW scheme size (150 mm X 100 mm) and other allied works 2025-26.

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 OD

ii) 50 mm OD

Providing, fixing and laying fabricated UPVC bend of required degree conforming to IS : 10124 ( part 8 / 9 / 10 / 11 / 12 / 13 ) with solvent cement conforming to IS : 14182 including testing of joints complete as per CPWD specification and direction of the Engineer - in - charge.

i) 40 mm dia

ii) 50 mm dia

Providing, fixing and laying fabricated UPVC end cap conforming to IS : 10124 ( Part 4 ) with solvent cement conforming to IS : 14182 including testing of joints complete as per CPWD specification and direction of the Engineer - in - charge.

i) 40 mm dia

Providing, fixing and laying fabricated UPVC equal tee conforming to IS : 10124 ( Part 5 ) with solvent cement conforming to IS : 14182 including testing of joints complete as per CPWD specification and direction of the Engineer - in - charge.

i) 40 x 40 mm dia

ii) 50 x 50 mm dia

Providing, fixing and laying fabricated UPVC straight reducer conforming to IS : 10124 ( Part 3 ) with solvent cement conforming to IS : 14182 including testing of joints complete as per CPWD specification and direction of the Engineer - in - charge.

i) 50 x 40 mm 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

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. Nipple of medium class as per CPWD specification and direction of the Engineer - in - charge.

ii) 15 mm dia 150 mm long

Providing and fitting fixing PVC / plastic bib cock conforming to IS : 9763 in hydrant points at different location as per specification & direction of the Engineer-in-charge.

i) 15 mm dia PVC /plastic bib cock

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

ii) 50 mm dia with 15 mm dia opening

Providing and Fitting fixing of brass fullway valve with handle in the GI pipeline including cutting, threating etc.complete as per CPWD specification and direction of the Engineer-in-charge.

i) 40 mm dia

ii) 50 mm dia

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

i) 15 mm dia

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. All kind of Soils

i) For pipes not exceeding 90 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 the Engineer - in - charge.

i) 15 mm dia

ii) 40 mm dia

Providing and fixing G.I. socket as per CPWD specification and direction of the Engineer - in - charge.

i) 15 mm dia

ii) 40 mm dia

iii) 50 mm dia

Providing and fixing G.I. union as per CPWD specification and direction of the Engineer - in - charge.

i) 15 mm dia

ii) 40 mm dia

Providing & 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. A. With contractor's rig

i) With Pea gravels obtained from Durgapur, West Bengal.

Providing and fixing of UPVC end cap suitable for UPVC 'CM' casing or 'CS' casing or 'RS' pipes as per specification and direction of the Engineer - in - charge. i) 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 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.

i) 150 mm dia

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, reservation of samples in polythene bags / sample boxes and disposal of excess soil or mud, including the cost for water etc. asrequired to maintain the pilot hole properly as per specification and direction of the Engineer - in - charge.

a) 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.

a) From 100 mm dia pilot hole to 250 mm bore hole

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. (A) 'CM' Casing pipe

(i) 150 mm dia

(ii) 100 mm dia

(B) RS pipe -

(i) 100 mm dia

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.

Making road crossing by horizontal boaring for smooth laying of UPVC/CI/DI/GI pipes etc. of required dia complete as per specification and the direction of the Engineer-in-charge. A. By manual means

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering. (a) All work upto plinth level

i) 1:2:4 ( 1 Cement: 2 fine sand : 4 graded brick aggregate 40 mm nominal size) cum well burnt

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. All kinds of soil

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.

First class brick work in foundation and plinth including cost of all materials as required complete:

In cement mortar 1:4 ( 1 cement : 4 fine sand ).

Providing & placing on terrace (at all floor levels) polyethelyne water storage tank ISI-12701 marked with cover and suitable locking arrangement and making necessary holes for inlet, outlet and over flow pipes but without fittings and the base support for tank.

Supplying & installation of water lubricated submerssible pump of Duke make (Model No- DSP4RFH05) having capacity 2000 GPH at total head upto 45.00 mtr coupled with submerssible motor 3HP suitable for 240 volt (+10% variation) single phase 50HP AC supply DOL starting method to run at 2880 RPM along with 35.00 mtr 2.50 sqm PVC insulated 3 (three) core flat copper cable including fitting fixing and lowering with 40 mm dia G.I. pipe upto required depth etc. complete as per direction of the Eng- in-charge. (required 40/32 mm dia G.I pipe will be supplied by the Deptt. at free of cost or paid seperately)

Supplying & fitting, fixing of MS box of having size 60cm X60cm X 45 cm with sloped roof and front shutter with locking arrangement fitted with 4 (four) no 10mm X 10mm X 6mm MS angle of 1.60 mtr long including providing and fitting wooden board inside the box having size 55cm X 55cm X 1inch thick for fitting all the electrical features like starter, Main switch & including cost of necessary painting & embeding the box with cc block size 30cm X 30cm X 60 cm with 1:2:4 (1 cement:2 river sand: 4 jhama brick aggregate 20 mm nominal gauge) as per direction of the Engineer in Charg. (starter, Mainswitch will be paid separately)

Supplying & fitting, fixing of single phase motor starter pannel unit 3 HP capacity comprising with 2 pole conductor, overload relay, capacitor, volts meter of BCH/L&T make with necessary copper wire etc. complete as per direction of the engineer in charge.

Supplying & fitting fixing of 32 Amps Single Phase Main Switch of BCH/L&T/Heavels make with necessary copper wire complete as per direction of the Engineer-in-Charge.

Providing and fitting fixing G.I. pipe (medium class) conforming to IS : 1239 for column pipe assembly for installation of submersible pump motor as per direction of the Engineer-in-charge.

i) 40 mm NB

Providing and fixing G.I. equal Tee with 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

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