Extension of 04 (four) Nos. of Spouts for North and East Branch at WTA System at 144N Tehatta_I(Islampur) DTW at Mouza_Tehatta Block_Tehatta_I in the District of Nadia under the Executive Engineer (AI)Krishnagar_I (AI) Division under Core_Sector Prog

Expansion of RCC Pipeline and Erection of 02 nos Spout Chambers

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) Depth of excavation not exceeding 1,500 mm.

Earth filling in foundation trenches to plinth with good earth in layer not exceeding 150 mm including watering and ramming etc. by layer complete with earth obtained from excavation of foundation.

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

Brick work with 1st class bricks in cement mortar (1:6) a) In foundation and plinth

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

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 (for 35 Km distance)

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.

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.)

Laying and joining of RC.C. spun pipes with matching collars of different sizes mentioned below in field trenches including handling and carrying the pipes and matching R.C.C. collars from field stack, lowering the same within the trench, property positioning and levelling on bricks laid flat, filling the annular space between collar and the pipe joint with Jute braiding dipped in cement slurry, grouting with cement and sand mortar (1:2) mixed with approved quality water proofing compound (5% by weight of cement) including cost of cements, bricks for levelling, jute braiding etc.) and curing all complete as per direction of Engineer-in-Charge. (iii) 1830mm. long 225mm. dia.

Jointing the undermentioned R.C.C. pipe fittings (pipeline specials) in the R.C.C. pipe line with matching RC.C. collars including handling and carrying the fittings and matching R.C.C. collars from field stack, lowering in the trenches, properly levelling and positioning on bricks laid flat, filling the annular space between pipe fitting and collars with Jute braiding dipped in cement slurry, grouting with cement and sand mortar (1:2) mixed with approved water proofing compound (5% by weight of cement) and curing etc. complete as per direction of the Engineer-in-Charge (Cost of bricks for levelling and Jute braiding are included). (iii) 225 mm x 225 mm x 225 mm. R.C.C. Tee

(iv) 225 mm x 225 mm x 150 mm. R.C.C. Tee

(ix) 225 mm R.C.C Bend

Jointing the end of 150 mm. dia. M.S. extension pipe for spout chamber with 150mm. end of R.C.C. Tee including carrying the M.S. extension pipe from store to site, levelling and positioning the end of extension pipe concentrically with 150mm. end of R.C.C. Tee on bricks laid flat within the field trench and jamming the joints with cement concrete (1:2:4) with stone chips 10 mm. down mixed with approved water proofing compound 5% by weight of cement) of adequate thickness to provide a leak proof joint as per direction of Enginer-in-Charge (Cost of bricks for levelling is included).

Plugging the open end of 450mm. / 300 mm. /225 mm. /150 mm. dia. RC.C. pipe line with cement concrete (1:2:4) with stone chips 20 mm. down mixed with water proofing compound(5% by weight of Cement) of approved quality including curing etc. complete as per direction of Engineer-in-Charge. (iii) 225mm. dia. R.C.C. pipe

Fitting and fixing of M.S. I G.I. I C.l.accessories and special in pipe line (accessories & special to be supplied departmentally) including supply of jointing materials viz.rubber insertion, nuts & bolts, havoc Zink (Zink Oxide) complete as per direction of Engineer-in-Charge. (v) 150mm. dia. Alfa-Alfa valve (type-C ).

(vii) 150mm. dia.90° M.S. bend with flanged ends

(viii) 150mm. dia. M.S. riser pipe with flanged ends

For Water transmission Arrangement of Tube well 3% extra over the schedule rates, save & except for earth work in excavation & filling works, will be allowed for extra carriage by cart / boat / head load besides initial transport by truck etc. [Excluding Sl.No. 1.01,1,02,1.9,1.10]

Add GST @ 18% over Rs.1,42,132.86

Add Labour Welfare Cess @ 1% Over Rs. 1,67,716.77

Supply and delivery of Different materials

C.I. Alfa-Alfa Valve as per Drawing (Annexure-E )with MS Spindle and weight of the bottom disc to be fitted with rubber washer which will be fitted tightly at the closing of Alfa-Alfa Valve. There should arrangement of squre type key holder made of MS complete including two course of painting over a coat of priming. Approximate weight 20 Kg excluding Key. (i) 150 mm Dia.(Type-C)

150 mm dia Rubber Insertion 5 mm thick with proper reinforcement 2 ply conforming to IS 638/79 with latest amendments duly ISI marked suitable for MS flange as per IS 6392/71 with standard drilled holes.(For Sluice Valve)

NP-2 class 225 bore dia. R.C.C. spun pipe of length 1.83 metre thickness 25 mm with matching collar as per IS 458 / 1988 with latest amendment thereof.

NP-2 class (For 225 bore dia. Pipe) R.C.C. Collar of length 0.15 metre thickness 25 mm as per IS 458 / 1988 with latest amendment thereof.

NP-2 class 225 mm X 225 mm X 150 mm R.C.C. Tee of length 0.90 metre & 0.45 metre thickness 25 mm as per IS 458 / 1988 with latest amendment thereof.

NP-2 class 225 mm X 225 mm X 225 mm R.C.C. Tee of length 0.90 metre & 0.45 metre thickness 25 mm as per IS 458 / 1988 with latest amendment thereof.

90 degree G.I Bend (both end flanged)J-ISImarked-IS 1239, Galv- IS4736 (a) 150 mm dia

150 mm dia 1.0 mtr long G.I. Short piece made of 150 mm dia G.I. pipes conforming to IS 1239(part-1)/2004, medium quality one end threaded and other end plain.

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