Providing PVC drain pipes and manholes to convey stormwater from MBH1 D block to nearby drain, cover slabs for skimmer tank and reconstruction of broken RR retaining wall of natural drain

Earth work in excavation of all kinds of soil by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, for all lift, including getting out the excavated soil and disposal of surplus excavated soil as directed, for all lead.

Excavation work of ordinary rock by mechanical means (Hydraulic excavator)/ manual means in foundation trenches or drains (not exceeding 1.5m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soils as directed, for all lead.

Excavation work of hard rock (blasting prohibited) by mechanical means (Hydraulic excavator)/ manual means in foundation trenches or drains (not exceeding 1.5m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soils as directed, for all lead.

Excavating trenches in all kinds of soil by mechanical / manual means of required width for pipes, cables etc. exceeding 300 mm dia but not exceeding 600 mm, including excavation for sockets, and dressing of sides, ramming of bottoms, for all depth, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m:

Excavating trenches in ordinary rock of required width for pipes, cables exceeding 300 mm dia but not exceeding 600 mm dia., including excavation for sockets, depth upto 1.5 m, including getting out the excavated materials, returning the soil as required in layers not exceeding 20 cm in depth, including consolidating each deposited layers by ramming, watering etc., stacking serviceable material for measurements and disposal of unserviceable material as directed, within a lead of 50 m :

Extra for excavating trenches in ordinary rock for pipes, cables exceeding 300 mm dia but not exceeding 600 mm dia in ordinary/hard rock exceeding 1.5 m in depth but not exceeding 3 m. (Rate is over corresponding basic item for depth upto 1.5 metre)

Extra for excavating trenches in ordinary rock for pipes, cables exceeding 300 mm dia but not exceeding 600 mm dia exceeding 3 m in depth but not exceeding 4.5 m. (Rate is over corresponding basic item for depth upto 1.5 metre)

Excavating trenches in hard rock (blasting prohibited) of required width for pipes, cables exceeding 300 mm dia but not exceeding 600 mm dia., including excavation for sockets, depth upto 1.5 m, including getting out the excavated materials, returning the soil as required in layers not exceeding 20 cm in depth, including consolidating each deposited layers by ramming, watering etc., stacking serviceable material for measurements and disposal of unserviceable material as directed, within a lead of 50 m :

Extra for excavating trenches in hard rock (blasting prohibited) for pipes, cables exceeding 300 mm dia but not exceeding 600 mm dia in ordinary/hard rock exceeding 1.5 m in depth but not exceeding 3 m. (Rate is over corresponding basic item for depth upto 1.5 metre)

CEMENT CONCRETE (CAST IN SITU)

Providing and laying in position cement concrete of 1:2:4 (1 Cement: 2 coarse sand (zone-Ill) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources) grade excluding the cost of centering and shuttering - All work up to plinth level :

Centering and shuttering including strutting, propping etc. and removal of form work for foundations, footings, bases for columns

Extra for providing and mixing water proofing material in cement concrete work in doses by weight of cement as per manufacturer's specification.

REINFORCED CEMENT CONCRETE

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

Centering and shuttering including strutting, propping etc. and removal of form for foundations, footings, bases of columns, etc. for mass concrete

Centering and shuttering including strutting, propping etc. and removal of form for walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

Centering and shuttering including strutting, propping etc. and removal of form for suspended floors, roofs, landings, balconies and access platform

Steel reinforcement using Thermo-Mechanically Treated bars of grade Fe500D or more for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level.

Smooth finishing of the exposed surface of R.C.C. work with 6 mm thick cement mortar 1:3 (1 Cement: 3 fine sand).

STONE WORK

Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) upto plinth level with cement mortar 1:6(1 cement :6 coarse sand).

Random rubble masonry with hard stone in superstructure above plinth level and upto floor five level, including leveling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) with ement mortar 1:6(1 cement :6 coarse sand)

FLOORING

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

Extra for making chequers of approved pattern on cement concrete floors, steps, landings, pavements etc.

REPAIRS TO BUILDING

Pumping out water caused by springs, tidal or river seepage, broken water mains or drains and the like.

Cleaning and desilting of gully trap chamber, including removal of rubbish mixed with earth etc. and disposal of same, all as per the direction of Engineer-in-charge.

Taking out and disposal of sewerage water & sludge from septic tank, manholes, etc. by pump set, and safe disposal as per waste management rules, for all leads and lifts including rent of pump and all consumables required for pumping as per directions of Engineer-in-charge.

Dismantling and Demolishing

Dismantling bituminous road manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material outside the campus at contractor's expense as per direction of Engineer-in-charge :

Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved.

SANITARY INSTALLATIONS

Providing and fixing 450mm diameter (Class 3) UPVC SWR soil, waste and vent pipes conforming to IS:13592 Type-B, jointing with solvent cement including cutting holes in walls and floors wherever required and making good the same as directed by Engineer-in-Charge

DRAINAGE

Providing and fixing in position pre-cast R.C.C. manhole cover and frame of circular shape 560 mm internal diameter and HD - 20 quality

Providing and fixing in position pre-cast R.C.C. manhole cover and frame of circular shape 560 mm internal diameter and EHD - 35 quality

Dismantling of rectangular manhole 120x90 cm and 90 cm deep including R.C.C. top slab, C.I. cover with frame, including stacking of useful materials near the site and disposal of unserviceable materials within 50 m lead as per direction of Engineer-in- charge:

WATER PROOFING

Providing & Applying polymer modified, flexible cementatious negative side waterproofing coating with elastic waterproofing polymers on interior wall plaster surface in three coats @14.35 kg /10 sqm. one coat of self priming of cementatious waterproofing polymer(dilution with water in the ratio of 1:1) and two coats of cementatious waterproofing polymer (dilution with water in the ratio of 3:1 ) after scrapping and properly cleaning the surface to remove pre-existing paint film & loose particles till plaster is visible, complete in all respect as per the direction of Engineer-in-Charge.