Construction of 02 (Two) nos Dug and Injection Well at Dhalai District Judial Court Complex under DWS Sub-Division Ambassa

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30cm in depth, 1.5m in width as well as 10 sqm on plan) including disposal of excavated earth, lead upto 50m and lift upto 1.5m, disposed earth to be levelled and neatly dressed. All kinds of soil

Extra for additional lift of 1.5m or part thereof. 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:

1:3:6 ( 1 Cement: 3 fine sand : 6 graded well burnt brick aggregate 40 mm nominal size)

Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses,plinth and skirting courses, fillets, columns, pillars,piers, abutments, posts and struts etc. upto floor five level excluding cost of centring, shuttering, finishing and reinforcement- 1:1½:3 ( 1 Cement: 1½ fine sand : 3 graded stone aggregate 20 mm nominal size)

Reinforced cement concrete work in beams, suspended floors, roofs having slope upto 15° landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases upto floor five level excluding the cost of centring, shuttering, finishing and reinforcement. 1:1½:3 ( 1 Cement: 1½ fine sand : 3 graded stone aggregate 20 mm nominal size)

Centering shuttering including struttings, propping etc. and removal of form work for:

i) Walls (any thickness) including attached pilasters, buttresses, plinth and string courses etc. using shuttering ply.

Suspended floors, roofs, landings, balconies and access platform with timber plank

Reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. Thermo-Mechanically Treated bars of grade Fe-500D or more

Boring/drilling bore well of required dia for casing/strainer pipe, by suitable method prescribed in IS:2800 (part I), including collecting samples from different strata, preparing and submitting strata chart/bore log, including hire & running charges of all equipments, tools, plants & machineries required for the job, all complete as per direction of Engineer-in charge, upto 90 metre depth below ground level. All types of soil 300 mm dia

Supplying, assembling, lowering and fixing in vertical position in bore well, unplasticized PVC medium well casing (CM) pipe of required dia, conforming to IS:12818, including required hire and labour charges fittings & accessories etc. all complete, for all depths,as per direction of Engineer -in-charge. 100 mm nominal size dia

Supplying, assembling, lowering and fixing in vertical position in bore well, unplasticized PVC medium well screen(RMS) pipes of with ribs, conforming to IS:12818, including required hire and labour charges fittings & accessories etc. all complete, for all depths,as per direction of Engineer -in-charge. 100 mm nominal size dia

Supplying, filling, spreading & levelling stone boulders of size range 5 cm to 20 cm in recharge pit in the required thickness for all leads & lifts all complete as per direction of Engineer-in-charge.

Supplying, filling, spreading & levelling stone boulders of size range 5 mm to 10 mm in the recharge pit over the existing layer of boulders in required thickness for all leads & lifts all complete as per direction of Engineer-in-charge.

Supplying, filling, spreading & levelling coarse sand of size range 1.5 mm to 2 mm in recharge pit over gravel layer for all leads & lifts all complete as per direction of Engineer-in-charge.

Gravel packing in tubewell construction in accordance with IS:4097, including providing gravel fine/medium/coarse in required grading & sizes as per actual requirement all complete as per direction of Engineer-in-charge.

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

In cement mortar 1:6 ( 1 cement : 6 fine sand ).

12 mm cement plaster on the rough side of single or half brick wall of mix. 1:4 (1 cement: 4 fine sand)

Neat Cement Punning

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 kind of Soils For pipes exceeding 90 mm dia but not exceeding 300 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 separately ) as per CPWD specification and direction of the Engineer - in - charge. A. Class - 3 ( working pressure 6.0 kg / cm2) ( for collecting roof top water and drainage towards injection well)

i) 90 mm OD

ii) 110 mm OD

iii) 140 mm OD

Providing and fixing M.S. grills of required pattern in frames of windows etc. with M.S. flats, square or round bars etc. all complete.

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) 90x90 mm dia

ii) 110x110 mm dia

iii) 140x140 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) 140 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) 90 mm dia

ii) 110 mm dia

iii) 140 mm dia

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