Improvement and Upgradation of Ujh Level Crossing Ujh Barrage

Pumping out water caused by springs, tidal or river seepage, broken water main damaging etc. or the like.

Slip clearance in soils mixed with kankar, Boulder with lead upto 50m and lift of 1.5 m.

Demolishing RCC work manually/by mechanical means including stacking of steel bars and disposed of unserviceable material within 50 m lead as per direction of Engineer-in-charge. 1:1.5:3 or richer mix (equivalent to design mix).

Anchoring of Dowel bars (20mm dia.) including drilling with compressor, carriage/line charges of machinery and T&P including cutting of dowel bars and grouting of drilled holes (40 mm holes) with 1:2 cement sand mortar.

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete.

Providing and laying in position machine batched and machine mixed design mix M-25 grade cement concrete for reinforced cement concrete work, using cement content as per approved design mix, including pumping of concrete to site of laying but excluding the cost of centering, shuttering, finishing and reinforcement, including admixtures in recommended proportions as per IS: 9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability as per direction of Engineer-in-charge. Note: - Cement in this item is @ 330 kg/ cum. Excess or less cement used as per design mix is content considered payable or recoverable separately. All works up to plinth level.

Extra for providing richer mixes at all floor levels. Note: - Excess/ less cement over the specified cement content used is payable/ recoverable separately. Providing M-30 grade concrete instead of M-25 grade BMC/RMC. (Note:- Cement content considered in M-30 is @ 340 kg/cum)

Add or deduct for using more or less cement in the items of design mix over and above the specified cement content therein. @ 1Qtl. /Cum.

Providing and laying in position specified grade of Cement concrete including curing but excluding the cost of centering, Shuttering, all work upto plinth level with: 1:1.5:3 (1 cement: 1.5 coarse sand: 3 graded stone aggregate 20 mm nominal size) Crushed aggregate.

Cleaning of exposed concrete surface of sticking material including loose and foreign material by sand blasting with coarse sand and followed by and including cleaning with oil free air as per direction of Engineer-in-Charge.