Improvements to the road and providing drainage facilities to Kurunji Nagar connecting RC-21 frontier road at Nettapakkam in Nettapakkam Commune, Puducherry II Call

Amount

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 remainging earth locally for road work - by mechanical means - depth upto 3m (Ordinary soil)

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

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.

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

Cement concrete 1:3:6 mix with stone aggregates 20mm nominal size mechanically mixed and vibrated in foundation upto a depth of 1.5 metres below ground level and 1.5 metres 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.

Neat cement punning

12mm cement plaster finished with a floating coat of neat cement of mix - 1:4 (1 cement :4 fine sand)

Steel reinforcement for R.C.C. works including bending, binding and placing in position - Thermo Mechanical Treated Bars (ISI brand approved make) Fe - 415 or more

Desilting the canal by removing silt, slush and debries from the bed of the drain removing the grass , buses etc., complete in uhygenic and foul condition including disposal of the same within an average lead of 1KM without polluting the environment by mechanical means

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 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 tack coat on the prepared surface, heating bitumen in boiler and spraying the bitumen with sprayset fitted on bitumen boiler - on granular base such as WBM and WMM surfaces not bitumen primed. Rate of application 10kg/10sqm..

Providing and laying open graded premix carpet of 25mm thick on prepared surface in a single course as wearing course composed of specified size of stone aggregates premix with a bituminous binder in mini hot mix plant 6-10 tonne laying manually and rolling with power roller 8-10 tonne but excluding cost of primer/tack coat. As per clause no 509 of MOST specification

Providing and applying liquid seal coat, type `A' comprising of a layer of bituminous binder, followed by a cover of stone chipping of specified grading and rolling with power roller 8 to 10 tonne. As per clause no 513 of MOST specification.

Removing and refixing the existing RCC precast cover slab of thickness varying from 100mm to 230mm on top of 'U' drain including laying in position to the required level and alignment etc., complete as directed by the Engineer in charge. The rate is inclusive of all taxes.

Providing, hoisting and fixing upto plinth level for precast reinforced cement concrete slabs for drain cover slab of length varying upto 1.50m of various thickness including the cost of required centering, shuttering and finishing smooth with 6mm thick cement plaster 1:3 (1 cement 3 fine sand) on all faces except bottom on slab but excluding cost of reinforcement with 1:1.5:3 (1 cement 1.5 coarse sand 3 graded stone aggregate 20mm nominal size).

R Venkatachalam