Construction of Boundary wall of Science City at Jhajhra, Dehradun under Deposit work.

Amount

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 10sqm 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. All kinds of soil

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.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:2:4 (1 Cement : 2 coarse sand (zone-III) : 4 graded stoneaggregate 40 mm nominal size)

Providing and laying in position ready mixed M-25 grade concrete foreinforced cement concrete work, using cement content as per approvedesign mix, manufactured in fully automatic batching plant antransported to site of work in transit mixer for all leads, having continuouagitated mixer, manufactured as per mix design of specified grade forreinforced cement concrete work, including pumping of R.M.C. frotransit mixer to site of laying , excluding the cost of centering, shutterinfinishing and reinforcement, including cost of admixtures in recommendedproportions as per IS : 9103 to accelerate/ retard setting of concrete,improve workability without impairing strength and durability as pedirection of the Engineer-in-charge(Note :- Cement content considered in this item is @ 330 kg/cum.Excess/less cement used as per design mix is payable/recoverablseparately) All works upto plinth level

Brick work with common burnt clay F.P.S.(non modular) bricks of class designation 7.5 in foundation and plinth in: Cement mortar 1:6 (1 cement : 6 coarse sand)

Providing and laying in position ready mixed M-25 grade concrete foreinforced cement concrete work, using cement content as per approvedesign mix, manufactured in fully automatic batching plant antransported to site of work in transit mixer for all leads, having continuouagitated mixer, manufactured as per mix design of specified grade forreinforced cement concrete work, including pumping of R.M.C. frotransit mixer to site of laying , excluding the cost of centering, shutterinfinishing and reinforcement, including cost of admixtures in recommendedproportions as per IS : 9103 to accelerate/ retard setting of concrete,improve workability without impairing strength and durability as pedirection of the Engineer-in-charge(Note :- Cement content considered in this item is @ 330 kg/cum.Excess/less cement used as per design mix is payable/recoverablseparately) All works above plinth level upto floor V level cum

Steel 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.

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

Centering and shuttering including strutting, propping etc. and removaof form work for :

Foundations, footings, bases for columns

Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

Providing and laying autoclaved aerated cement blocks masonry with100 mm thick AAC blocks in super structure above plinth level up tfloor V level in cement mortar 1:4 (1 cement : 4 coarse sand ). The ratincludes providing and placing in position 2 Nos 6 mm dia M.S. bars aevery third course of masonry work.

Coursed rubble masonry with hard stone (first or second sort) in superstructure above plinth level and upto floor five level.

Steel work welded in built up sections/ framed work, including cuttinghoisting, fixing in position and applying a priming coat of approved steeprimer using structural steel etc. as required. In gratings, frames, guard bar, ladder, railings, brackets, gateand similar works

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in superstructure above plinth level up to floor V level in all shapes and sizes in :

CEMENT PLASTER (IN FINE SAND) 12 mm cement plaster of mix : 1:4 (1 cement : 4 fine sand)

Stone work, plain in copings, cornices, string courses and plinth courses upto 75 mm thick in Cement mortar 1:6 (1 cement : 6 coarse sand), including pointing with white cement mortar 1:2 (1 white cement : 2 stone dust) with an admixture of pigment matching the stone shade. Red sand stone

Providing and laying cement concrete in retaining walls, return walls,walls (any thickness) including attached pilasters, columns, piersabutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, filletssunken floor etc., up to floor five level, excluding the cost of centering shuttering and finishing: 1:1½:3 (1 cement : 1½ coarse sand (zone-III) : 3 graded stonaggregate 20 mm nominal size).

Providing and applying white cement based putty of average thicknes1 mm, of approved brand and manufacturer, over the plastered walsurface to prepare the surface even and smooth complete.

Distempering with 1st quality acrylic distemper, having VOC (VolatilOrganic Compound ) content less than 50 grams/ litre, of approvedbrand and manufacture, including applying additional coats whererequired, to achieve even shade and colour

With ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel galvanised iron/ steel works:

Two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand anmanufacture

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