Construction of RCC precast box culvert for Mettuvoikkal at Anna Nagar (opposite to Housing Board) in Ellaipillaichavady road junction, Puducherry II Call.

Amount

Construction of granular sub-base by providing close graded material, mixing in a mechanical mix plant at OMC, carriage of mixed material to work site, spreading in uniform layer with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per clause 401of MoRTH specification, 4th Revision - by plant mix method for grading I material.

Construction of granular sub-base by providing close graded material, mixing in a mechanical mix plant at OMC, carriage of mixed material to work site, spreading in uniform layer with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per clause 401 of MoRTH specification, 4th Revision - by plant mix method - for grading II material.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work upto plith level - 1:1.5:3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20mm nominal size)

Providing , laying , spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the material with water at OMC in mechanical mix plant carriage of mixed material by tipper to site , laying in uniform layer by manual means in sub-base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density - Using vibratory roller

Providing and applying primer coat with bitumen emulsion on prepared surface of granular base including clearing of road surface and spraying primer at the rate of 0.60 kg/sqm using mechanical means. (As per MoRTH specification, 4th Revision)

Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.20 kg. per sqm. on the prepared bituminous / granular surface cleaned with mechanical broom. (As per MoRTH specification, 4th Revision)

Providing and laying dense graded bituminous macadam with HMP of capacity not less than 40 to 60 TPH using crushed aggregates of specified grading, premixed with bituminouse binder @ 4.0 to 4.5 per cent by weight of total mix and filler, tranporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achive the desired compaction as per Clause 507 of MoRTH specification, 4th Revision, complete in all respects - Using grade-I materials.

Providing and laying bituminous concrete with HMP of capacity not less than 40 to 60 TPH using crushed aggregates of specified grading, premixed with bituminous binder @ 5.4 to 5.6 percent of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per clause 509 of MoRTH specification, 4th Revision, complete in all respects - Using grade-II material.-Bitumen 60/70

Demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead - nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead - Nominal concrete 1:4:8 or leaner mix (including equivalent design mix)

Demolishing R.C.C work manually / by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead

Demolishing brick work manually / by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead - in lime mortar

Demolishing brick work manually / by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead - in cement mortar

Dismantling manually / by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead - water bound macadam road

Dismantling of flexible pavement (bituminous courses) by mechanical means and disposal of dismantled material upto a lead of 1 kilometre

Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000m - Lime/Cement Concrete - by mechanical means (Cement concrete grade M-15 & M-20).

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work upto plith level - 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size)

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 . Note:- Cement content considered in this item is @ 330 kg / cum. Excess or less cement used as per design mix is payable or recoverable separately. - All work upto 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-35 grade concrete instead of M-25 grade BMC / RMC . (Note:- cement content considered in M-35 is @ 350 kg / cum)

12mm cement plaster finished with a floating coat of neat cement of mix - 1:3 (1 cement :3 fine sand)

Steel reinforcement for R.C.C. works including bending, binding and placing in position - Thermo Mechanical Treated Bars (TISCON / VIZAG / IISCO / SAIL/JSW) Fe - 415 or more

Making of bund wall with HDPE cement bags filled with stone dust for discharge regulation, breach closing / diversion arrangement. The rate includes the cost of empty HDPE bags, cost of stone dust, labour charges for filling the bags and placing in position of its purpose in or under foul conditions etc.complete as directed by the Engineer-in-charge.

Providing, laying and jointing UPVC pipe of 250mm dia (0.6 Mpa) conforming to IS specification 4985 and ISI marked including transportation to the site, lowering to the trenches, laying to proper grade and alignment and placing in position for discharge through the drain during construction period as directed by Engineer-in-charge.

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

Centring and shuttering including strutting , propping etc. and removal of form work for - retaining walls, return walls, walls (any thickness) including attached pilasters, buttresses, plinth and string courses fillets, kerbs and steps etc.

Cement concrete 1:4:8 mix with stone aggregate 40mm nominal size in foundation upto a depth of 1.5 metres below ground level and upto height of 1.5 above ground/bed level.

Providing and laying in position ready mixed plain cement concrete , with cement content as per approved design mix and manufactured in fully automatic batching plant and transported to site of work in transit mixer for all leads , having continuous agitated mixer, manufactured as per mix design of specified grade for plain cement concrete work, including pumping of R.M.C from transit mixer to site of laying and curing , excluding the cost of centering , shuttering and finishing, including cost of curing,admixtures in recommended proportions as per IS :9103 to accelerate / retard setting of concrete, improve workability without impairing strenghth and durability. - Note : 1) Excess / less cement used than specified in this item is payble / recoverable separately . All works upto plinth level - M-15 grade plain cement concrete (cement content considered @ 240 kg /cum)

Earth work in excavation for foundation of structures as per drawings and technical specifications, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material - Ordinary Soil - Manual Means - Depth upto 3 metres including the cost of labour and overhead charges.

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

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

Suplying and filling with quary dust in trenches, plinth, sides of foundations etc., in layers not exceeding 20cm in depth consolidating each deposited layers by ramming and watering etc., complete including all lead and lift.(casting shall be done on uniform leveled bed with cement concrete flooring) hire charges for machineries (Heavy duty cranes, excavator (JCB), tipper, concrete mixer and other tools and plants etc., but excluding the cost of reinforcement as per the drawing and as directed by the Engineer-in-charge including arrangements for closing traffic as stipulated by the authorities concerned. The rate shall also include hire charges for casting yard making of casting bed, transportation charges from casting yard to working site, loading and unloading, hoisting and fixing in position of RCC precast units of 1mt length and joint grouting etc., complete as directed by the Engineer-in-charge.

Casting, transporting, hoisting and fixing in position of RCC precast box section at the location directed by the Engineer-in-charge, as per the drawing for the culvert including RCC pre cast base plate with controlled concrete of M-35 grade design mix including casting, curing , trucking out, hoisting and laying the pre-cast box segments. The precast box unit shall be placed in position over the RCC precast base slab in the excavated pit using necessary heavy duty cranes, truck and other machineries required and as directed by the Engineer-in-charge, including providing of RCC precast base slab segments of 25cm thickness with controlled concrete M-35 grade design mix. The rate shall include the cost of cement (OPC 43 grade of approved make), coarse aggregates fine aggregates, admixtures, chemicals for joint grouting, providing steel hooks for lifting and moulding arrangements with necessary centring and shuttering for casting the concrete.

(casting shall be done on uniform leveled bed with cement concrete flooring) hire charges for machineries (Heavy duty cranes, excavator (JCB), tipper, concrete mixer and other tools and plants etc., but excluding the cost of reinforcement as per the drawing and as directed by the Engineer-in-charge including arrangements for closing traffic as stipulated by the authorities concerned. The rate shall also include hire charges for casting yard making of casting bed, transportation charges from casting yard to working site, loading and unloading, hoisting and fixing in position of RCC precast units of 1mt length and joint grouting etc., complete as directed by the Engineer-in-charge.

J.RAMESH

P Velmurugan