Renovation of Water Transmission Arrangement of 262T Purba Arsingi HDTW Scheme at Mouza Dhoramari GP Tangra JL No 162 Plot No 354 under Bongaon AI Sub Division under the Barasat AI Division under Core Sector Program for the Financial Year 2025 26

PART-A Laying of WTA for DTW/HDTW. Earth work in excavation of field trenches as per design section and alignment for laying of pipe lines (PVC, RCC, ACP etc.) upto a depth of 1500 mm all sorts of soils including removing, spreading or stacking extra earth as directed. The item includes necessary trimming of sides trenches, levelling, dressing and ramming the bottom as required complete.

Earth work in filling in trenches after laying pipe lines (PVC, RCC, ACP etc.) with good earth obtained from excavation of field trenches in layers not exceeding 225 mm, including watering and ramming etc. layer by layer complete. (Payment will be made on the basis of measurement of finished. quantity of work.)

Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spoils within a lead of 75 m. as directed. The item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottom, bailing out water as required complete.

A) Filling in foundation or plinth by silver sand in layers not exceeding 150 mm as directed and consolidating the same by thorough saturation with water, ramming complete including the cost of supply of sand. (payment to be made on measurement of finished quantity)

Laying of P.V.C. pipes of different diameters within field trenches in curve / straight line using P.V.C. fittings, viz. Bend, Tee, Reducer etc. and making leak-proof joints with couplers after roughening the surface with wire brush and emery paper and applying solvent cement (The rate is inclusive of transport of pipes, fittings and solvent cement to be supplied by Deptt.) all complete as per direction of Engineer-in-Charge. (i) 200 mm dia

(ii) 140 mm dia

Labour Charges for fitting, fixing and laying, where necessary of following M.S/ G.I. / E.R.w. pipes and accessories (to be supplied departmentally) including transportation of the same cutting, threading, jointing and making leak-proof threaded / flanged joint at site, by using socket / rubber insertion, nuts and bolts etc. maintaining proper alignment and level - all complete - as per direction of Engineer-in-Charge. (xxviii) 150mm. dia. C.I. sluice valve.

Labour charges for fitting, fixing 150 mm. Dia. Alfa-Alfa valve with 160mm. dia. P.V.C. riser pipe with the help of flanged P.V.C. tail-piece by joining the P.V.C. End of Tail-piece and riser pipe with coupler and flanged end of Tail-piece and Alfa-Alfa valve with rubber insertion, nuts and bolts etc. complete.

Labour charges for fitting, fixing 200 mm )(200 mm )( 160 mm., 140 mm )( 140 rnrn x 160 mm., 110 mm x 110 mrn x 160 mm. p.v.C.tee with 150 mm. dia. M.S. extension piece by using P.V.C. tail piece.

Labour charges for fitting, fixing 160mm. dia. P.V.C.riser pipe with 150mm. dia. M.S. 90° bend by using P.V.C. tail piece

a) Testing of pipe line system against leakage by filling the distribution chamber with water and supplying water through the entirepipe line net work for at least 4 (four) hour including hiring and transport of suitable generator, pump, tools and plants, fuel and lubricants, installation of the pump, connecting the same with pipe line net work, making necessary electrical connection and dismantling all these after completion of test - all complete as per direction. i) For HD.T.W.

Labour charges for fitting, fixing (150 x 140) mm dia M S reducer with 140 mm dia UPVC pipe with the help of FTP (flanged tail piece) by joining the PVC end of the tail piece and 140 mm dia UPVC pipe with coupler and flanged end of tail piece and expander with rubber insertion, nuts and bolts etc. complete. (Rate inclusive of transportation from departmental store to work site).

Supplying 1 m x 0.6 m x 24 swg MS board containing list of spout wise water users by making numbers of spout as directed by EIC. The board should have base colour - Black and words - White to be fitted and fixed on the wall of the pump house. (Display Board)

Supplying, fitting and fixing including ansportation of sign board for identifying the exact location of MINI RLI scheme (one at road side and other at site) the board will be made 3 mm thick MS plate of size 300 mm x 600 mm and fitted and fixed on 50 mm GI Pipe of IS 1239/90 (part-1) including cutting, welding and writting of both sides of Sign board. Base - Yellow, and words - Red. Both bottom end of the stands pipe will be grouted in 1:2:4 CC on a single brick flat soling. This will include one materials and labour complete as per drawing and direction of E.I.C.

Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand.

Hire and labour charges for shuttering with centering and necessary staging upto 4 m using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams and columns, lintels curved or straight including fitting, fixing and striking out after completion of works (upto roof of ground floor) (a) 25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge.

Ordinary Cement Concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement, if any, in ground floor as per relevant IS codes. (a) Pakur variety.

Brick work with 1st class bricks in cement mortar (1:6) a) In Foundation and plinth, ground floor

125 mm. thick brick work with 1st class bricks in cement mortar (1:4) in ground floor.

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary (Ground floor).[Excluding cost of chipping over concrete surface] (i) With 1:6 cement mortar (c) 15 mm thick plaster

Neat cement punning about 1.5mm thick in wall, dado, window sill, floor etc. NOTE:Cement 0.152 cu.m per100 sq.m.

PART - B Procurement of materials. UPVC PIPES Supply of UPVC pipe (class-I) IS 4985/2000 certification marked with latest amendments,ivory,grey colour both end plain,along with matching coupler / socket (class-2) duly IS 10124/2009 with latest amendments marked & required solvent cement duly IS 14182/1994 marked for each pipe. Length of each straight pipe 6 m with tollerence (+10 mm) i) 200mm dia class-I

ii) 140mm dia class-I

Supply of UPVC pipe (class-II) IS 4985/2000 certification marked with latest amendments,ivory,grey colour both end plain,along with matching coupler / socket (class-2) duly IS 10124/2009 with latest amendments marked & required solvent cement duly IS 14182/1994 marked for each pipe. Length of each straight pipe 6 m with tollerence (+10 mm) i) 160 mm dia class-II

Supply of 160 mm dia. (Class-II) ( IS : 10124/2009 Part-6 with latest ammendment) FTP

Bend Supply of 60 degree bend, 200mm Nominal Size (Class-II) (IS 10124 2009 with latest amendments)

Supply of 90 degree bend, 140mm Nominal Size (Class-II) (IS 10124 2009 with latest amendments)

Supply of 60 degree bend,140mm Nominal Size (Class-II) (IS 10124 / 2009 with latest amendments)

Straight Reducer (IS: 10124/2009 with latest ammendment) Supply of 200 X 140 mm dia PVC reducer (Class-II)

Supply of 160 X 140 mm dia PVC reducer (Class-II)

Equal Tee (IS: 10124/2009 with latest ammendment) Supply of 200 X 200 X 200 mm dia PVC Equal Tee (Class-II)

Supply of 140 X 140 x 140 mm dia PVC Equal Tee (Class-II)

End Cap (IS: 10124/2009 with latest ammendment) Supply of 140 mm Nominal Size (Class -III)

Coupler (IS: 10124/2009 with latest ammendment) Supply of Extra Coupler for 200 mm Nominal Size (Class -II)

Supply of Extra Coupler for 140 mm Nominal Size (Class -II)

Supply of Solvent Cement (IS: 14182-1994 with latest ammendments)

Supply of 150 mm Nominal Size (PD) ISI marked Sluice Valve Pressure designation P.N. 1.6 with hand conforming to IS: 14846/2000 with Ammendment No-1&2 Components / Parts of Sluice Valves shall be manufactured from basic materials given in Table 1 of IS: 14846/2000 with Ammendment 1&2. The valves shall be tested for (Closed end test) against Hydrostatic test requirement.

Alfa Alfa valve (nipple type) as per drawing with hand wheel, one wheel for four nos of valve. 150mm Nominal size (Type-C).

Supply of MS. Hexagonal Head Bolts & Nuts conforming to IS- 1363 ( Part-1) / 1992 of product Grade - C with latest amendments for bolt and IS1363(Part-3)/1992 of product Grade - C with latest amendments for nuts properties/class for bolt-4.6 and for nut-4.5.both bolt & nuts are to be duly ISI certification marked. M 16X65mm

Supply & Transport of Rubber Inserction 5 mm thick with proper reinforcement 2 Ply confirming to IS 638/79 with latest ammendments 150 mm Dia.(Table - 5,11,17)

Supply & Transport of Rubber Inserction 5 mm thick with proper reinforcement 2 Ply confirming to IS 638/79 with latest ammendments 200 mm Dia.

SUB TOTAL WITH OUT TAX FOR PART A+B

ADD Carriage 3% On ( Sl. No. from 4 to 21).

Add GST@18%. On (Sl. no. 1 to 21)+ carrage

Labour welfare cess @1% On (Sl. no. 01 to 21) +GST+carriage

GROSS AMOUNT INLCUDING GST+ CESS

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