NIT NO.25, ITEM NO.08 (2020-21)WW-II

Providing services of gantry crane operator for operation of gantry crane for taking out and placement of stop log gates in position of different gates resting boom of Weir side /Under sluice gate as per requirement with the help of gantry crane helpers to carry out various works at Yamuna barrage. The work includes which lowering/lifting of log gates by making proper arrangement of lifting boom, changing of hook of hunger of gantry crane under deep water with the help of other equipment that are required at the site. The stop log should be carry and hang at same gate resting boom which was carry place after completion of testing of stop log load on purposed RCC Column at Barrage work shop. The gantry operator with 4 skill member staff team should be equipped with safety equipment such as Diving air control panel, Diving suit, Compressor, minimum 1pair(3nos of stop logs) of weir side/under sluice gate must be check at after complete casting work of purpose Rcc column in this estimate.

Testing of load of 1 pair stop log simultaneously of under sluice/weir side gate and Purposed Rcc column in the Barrage workshop.

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 meters lead as per direction of Engineer - in - charge.Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix) cum

Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-in-charge.2.6.1 All kinds of soil cum

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth4.1.3 1:2:4 (1 cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size) cum

Centering and shuttering including strutting, propping etc. and removal of form for :5.9.1 Foundations, footings, bases of columns, etc. for mass concrete sqm

Centering and shuttering including strutting, propping etc. and removal of form for : 5.9.6 Columns, Pillars, Piers, Abutments, Posts and Struts sqm

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level :5.1.2 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III): 3 graded stone aggregate 20 mm nominal size) cum

Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. above plinth level up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement :5.2.2 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) : 3 graded stone aggregate 20 mm nominal size) cum

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. 5.22.3 Cold twisted bars Kg

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. kg

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m. cum

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade :Two or more coats on new work sqm

Cement concrete pavement with 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size), including finishing complete. cum

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 4.1.8 1:4:8 (1 Cement : 4 coarse sand (zone-III) : 8 graded stone aggregate 40 mm nominal size) cum

0011 Hire charges of Pump set of capacity 4000 litres/hour day +15%cp

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