Improvements to the roads and drains at Eastern side of Diamond Nagar near Marie Oulgaret in Oulgaret Constituency, Puducherry.

Amount

Code No. 4.1.5 Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work upto plith level - 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20mm nominal size)

Code No. 4.3.1 Centring and shuttering including strutting , propping etc. and removal of form work for - foundations, footings, bases for columns

Code No. 13.16.1 6mm cement plaster of mix 1:3 (1 cement : 3 fine sand)

Code No. 15.2.1 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)

Code No. 3.15 Scarifying the existing bituminous surface to a depth of 50mm and disposal of scarified material within all lifts and lead upto 1000 metres - by mechanical means.

Code No. 4.2.1 Construction of granular sub-base by providing coarse graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC and compacting with vibratory roller to achieve the desired density, complete as per clause 401 of MoRTH specification, 4th Revision - For grading I material.

Code No. 5.5 Providing, laying and rolling of built-up spray grout layer over prepared base consisting of a two layer composite construction of compacted crushed coarse aggregates using motor grader for aggregates. Key stone chips spreader may be used with application of bituminous binder after each layer and with key aggregates placed on top of the second layer to serve as a base conforming to the line, grades and cross-section specified, the compacted layer thickness being 75mm. (As per MoRTH specification, 4th Revision)

Code No. 6.1.MO Cleaning the existing W.B.M. road surface including removing of binding material and other foreign matter with wire brushes and small picks, sweeping with brooms or soft brushes and finally dusting with old gunny bags and/or compressed air to receive bituminous treatment. As per clause no 502.4.2 and 503.3.1 of MOST specification.

Code No. 6.2.MO Cleaning of the existing black topped surfaces with brooms, soft brushes and finally dusting with old gunny bags and/or compressed air to receive bituminous treatment. As per clause no 503.3.1 of MOST specification.

Code No. 6.5E.1.MO Providing and applying tackcoat on the prepared surface, heating bitumen in boiler and spraying the bitumen with sprayset fitted on bitumen boiler - on black topped surface bitumen @ 5kg/10sqm.

Code No. 6.5F.1.MO 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.

Code No. 6.11B.MO Providing and laying open graded premix carpet 20mm thick on prepared surface in a single course as wearing course composed specified size of stone aggregates premix with a bituminous binder in mini hot mix of plant 6 to 10 tonne laying manually and rolling with power roller 8 to 10 tonne but excluding cost of primer/tack coat. As per clause no 509 of MOST specification.

Code No. 6.17.MO Providing and applying premixed seal coat type `B' comprising of thin application of fine aggregate premix with bitumen binder in mini hot mix plant, carriage manually of mixed material and laying and rolling with power roller 8 to 10 tonne. As per clause no 513 of MOST specification.

EZHILAN B

GANESAN

S Sakthivel

E Aravindan

P RAJENDIRANE