Construction of 04 Nos SBDTW 150 mm dia. with Contractors Mini Rig at Tir kr. Para, Bijoy Para under Magroom VC within the Rupaichari R.D Block under DWS Sub-Division, Rupaichari, Sabroom, South Tripura during 2025-26.

Drilling and boring pilot hole in any soil strata by mini drilling rig, 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 bentonite, water etc. as required to maintain the pilot hole properly as per specification ( IS : 2800 (part-I)) and direction of the Engineer - in - charge. With Contractor's Mini Rig i)150mm dia.

Reaming of pilot hole to an enlarged bore hole in any soil strata by mini drilling rig, disposal of excess soil or mud, including the cost for bentonite, water etc. as required to maintain the bore hole properly as per specification ( IS : 2800 (part-I)) and direction of the Engineer - in - charge. With Contractor's Mini Rig i) From 150 mm dia. pilot hole to 350 mm bore hole

Washing of enlarged bore hole of 350 - 550 mm dia. in any soil strata by mini drilling rig, disposal of excess soil or mud, including the cost for bentonite, water etc. as required to maintain the bore hole properly, including lifting of drill pipes as per specification ( IS : 2800 (part-I)) and direction of the Engineer - in - charge. With Contractor's Mini Rig

Providing & Lowering of UPVC pipe as per IS:12818 after washing of the bore hole by the mini drilling rig as per specificastion & direction of the Engineer-in-Charge. With Contractor's Mini Rig

A. UPVC 'CS' casing pipes 150 mm dia.

B. UPVC 'RS' pipe 150 mm dia.

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. 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. A) With Pea-Gravel obtain from Durgapur, West Bengal. With Contractor's Mini Rig

Providing and fixing of housing clamp ( made with 12 mm thick MS sheet ) by welding with blind pipe including applying of anticorrusive bitumastic paint as per specification ( IS : 2800 (part-I) and direction of the Engineer - in - charge. 150 mm dia.

Washing and development of tube well by using Air Compressor and testing of the well as per specification (IS:11189) and direction of the Engineer-in-Charge. I.upto 200 mtr pipe assembly A)with Contractor's own Air Compressor i) using air compressor of 300 -450 CFM output for SBDTW

Supplying and fitting fixing ofsubmersible pump of 2000 GPH Capacity, 45 mtr head with motor of 3 HP/ required capacity single phase including 40 mm dia 30.00 mtr. heavy duty G.I. pump assembly and reducing socket, delivery band 900 Non-return valve and fitting etc. as per direction of the Engineer-in-charge.

Suppling and fitting fixing of M.S(18SWG)"KIOSK"(size;-width450mm X length1200mm x height 850mm)fitted with 4 Nos .support of 75mm X 75mm(6mm thick)M.S angle for embedding in 1:2:4 cement concerete bass(size 300mmX 300 X 600mm) with proper locking arrangement and coated with anti-corrisive base( size 300 mm x 300 mm x 600mm) with proper locking arrangement and coated with anti-corresive paint(both inside and outside) including necessary provisions for fitting fixing of single phase motor starter unit,main switch,energy meter etc, complete in all respect as per direction of the Engg. In-charge.

Supplying and fitting fixing of single-phase motor starter unit(with 2 pole contactor, overload relay, Volt meter & Amp. Meter), 32 Amps main switch(220 volt) o f Havels/BCH/L&T make in KIOSK including necessary electrical wiring and GI pipe earthing etc. complete as per direction of the Engg. in-charge.(2 Hp/3Hp Motor)

Trial run and comissioning of the scheme in all respect as per 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

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) 25-32 Amps

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.

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)

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 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 i) For pipes not exceeding 90 mm dia.

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 seperately) 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 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) 25 mm dia.

Providing and fixing G.I. full way valve as per chapter 20 of CPWD specification and direction of the Engineer-in-charge. i) 50 mm dia.

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 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 x 40 mm dia.

ii) 50 x 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 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) 15 mm nominal bore

Providing and fixing G.I. pipes of Heavy 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

iii) 50 mm dia. nominal bore

Providing and fixing G.I. 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 Engineer - 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 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. i. 15 mm dia 225 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 in position Precast RCC hydrant post of size 100 mm dia ( made with reinforced cement concrete 1 : 1.5 : 3 ( 1 cement : 1.5 fine sand : 3 graded well burnt brick aggregate 1st class 12 mm nominal size) and steel reinforcement ( TMT bars )3 nos 8 mm dia 950 mm long and 7 Nos 6 mm dia ties including plastering the surface with 6 mm thick cement mortar 1 : 3 ( 1 cement: 3 sand ) finished with a floating coat of neat cement including providing & embedding 15 mm dia G.I. pipe (medium class as per IS : 1239 ) with necessary GI fittings like 2 Nos elbow, 1 no socket, 2 nos nipple 225 mm long and fitting fixing of PVC bib cock with GI socket complete with all earth work required including refilling etc. complete as per approved drawing ( Drawing No-06/CE/ACE/P&DU/DWS/2022-23), specification and direction of Engineer-in-charge.

Providing and fixing in position Precast RCC platform of size 900 mm x 900 mm x100 mm with curb of size 75 x 75 mm keping an opening of 200 mm wide for surface drain of 60 cm length of size (200 mmx150 mm) in a suitable place for draining out of grey water (made with cement concrete 1:1.5:3 (1 cement: 1.5 sand: 3 graded well burnt brick aggregate 12 mm nominal size) and steel reinforcement(TMT bars ) 6 nos. 8 mm dia in both direction including plastering the exposed surface with 6 mm thick cement mortar 1:3 (1 cement :3 sand) for platform &12 mm cement plaster(1:4) (1 cement :4 sand) for surface drain finished with a floating coat of neat cement complete with all earth work required including refilling etc. complete as per approved drawing (Drawing No-06/CE/ACE/P&DU/DWS/2022-23), specification and direction of Engineer-in-charge.

Providing and fitting fixing of hoarding cum display board of JJM of size 8 ft. x 6 ft. (2.40 m x 1.80 m) with frame comprising of 40 mm dia GI pipe (medium class) around the board, 2 nos. 25 x 25 x 4 mm size MS vertical stiffners with equally placed and 1 no. 25 x 25 x 4 mm size MS horizontal stiffner centrally placed and 2 mm thick MS Sheet (2.40 m x 1.80 m) with necessary welding, painting, lettering and erected vertically in such a way bottom of the board shall be placed 900mm above the Ground Level with 2 nos. 40 mm dia GI pipe embedded in cement concrete block of 1:2:4 (1 Cement : 2 fine Sand: 4 graded well burnt brick aggregate 20 mm nominal size) of 300 mm x 300 mm & 900 mm total depth out of which 150 mm shall be projected over GL etc. complete as per specification and direction of the Engineer-in-Charge.