Widening and strengthening to the Dr.Ambedkar salai from Subbiah Salai junction to Colas Nagar bridge by demolishing the existing platform on both sides and reconstruction of U and L drain at Uppalam Constituency, Puducherry

Amount

Dismantling of flexible pavements and disposal of dismantled materials upto a lead of 1000 metres, stacking serviceable and unserviceable materials separately - by manual means - bituminous courses

Earthwork in excavation of foundation of structure as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom, backfilling the excavation earth to the extent required and utilising the remaining earth locally for road work - by mechanical means - depth upto 3m (Ordinary soil)

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 , 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 layers 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 bituminous macadam with hot mix plant of capacity not less than 40 -60 TPH using crushed aggregates of specified grading premixed with bituminous binder, transported to site, laid over a previously prepared surface with paver finisher to the required grade, level and alignment and rolled as per clauses 501.6 and 507.7 of MoRTH specification, 4th Revision, to achieve the desired compaction. - using grade II metal and bitumen 60/70 grade.

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

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

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

Plain cement concrete m-15 mix with stone aggregates 20mm nominal size mechanically mixed and vibrated in foundation upto a depth of 1.50 metres below ground level and/or 1.50 metres above ground/bed level.

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

12mm cement plaster of mix-1 :4 (1cement:4 fine sand)

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

Applying one coat of water thinnable cement primer of approved brand and manufacturer on wall surface - water thinnable cement primer

Finishing with epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer's specifications including appropriate priming coat, preparation of surface , etc. complete - on steel work

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

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 cement mortar

Supply of Quarry rubbish including stacking to department gauge for premeasurement and spreading required thickness

Disposal of debris/rubbish etc. within 3 km radius from the site. The rate includes loading and unloading transportation charges etc. complete.

N K Gunasekaran