Widening and Improvement of Ratna Kanta Borkakoti Road (From Nagaon College Petrol Pump to ADP Road) at Nagaon Municipal Board under NCAP FY 2025-26 Ch. From 0.00m to 502.00m Length Total 502.00m

Dismantling, loading & unloading of ICBP with care by manual means including a lead upto 30 m

Dressing & profiling the existing WBM/Granular/ layer of the road from edge to edge of the existing carriage way and both the shoulders, filling low spots and ravelled stretches by providing additional materials of same type as that of the existing top surface layer, cambering, watering, rolling with 8-10 tonne roller to obtain specified compaction, etc to obtain a uniform formation surface with cross fall from the road centre line to the outer edges of the existing embankment. Works to be carried out in accordance with MORT&H specifivation section 300 and as directed by the deptt. (rate considered as per SOR for road bridge and culvert works for all divisions inder PWD Assam 2009-10, at sections where the top level of the subgrade of the existing road surface is not proposed to be raised by more than 100mm.

I) Roads having hard crust

a) Carriage way (Qty As per Statement I & Rate as Analysis-1)

Dismantling of existing structures like culverts, bridges, retaining walls and other tructure 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 1000 m as per Technical Specification Clause 202. By Mechanical Means,

Cement Concrete

Excavation in Soil using Hydraulic Excavator and Tippers with disposal upto 1000 m Excavation for roadwork in soil with hydraulic excavator of 0.9 cum bucket capacity including cutting and loading in tippers, trimming bottom and side slopes, in accordance with requirements of lines, grades and cross-sections, and transporting to the embankment location with a lift upto 1.5 m and lead upto 1000 m as per Technical Specification Clause 302.3

Construction of granular sub-base by providing well 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 smooth wheel roller to achieve the desired density, complete as per Technical Specification Clause 401. (ii) For Grading II Material

Wet Mix Macadam.. WMM Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the material with water at OMC in mechanical mixer (Pug Mill), carriage of mixed material by tipper to site, laying in uniform layers in sub-base/base course on a well prepared sub-base and compacting with smooth wheel roller of 80 to 100kN weight to achieve the desired density including lighting, barricading and maintenance of diversion, etc as per Tables 400.11 & 400.12 and Technical Specification Clause 406...... By Mechanical Means with 1 km lead

Providing and applying primer coat with bitumen emulsion (SS-1) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.70-1.0 kg/sqm using mechanical means as per Technical Specification Clause 502