MMPNA/2023-24/76_Periodic Renewal of L039 Sejujiapathar - Yedut Gaon Road to Solmara Pathar under Mukhya Mantrir Path Nabikaran Aachani for the year 2023-24 under Dhemaji LAC

Amount

2.15 Dismantling of Cement Concrete Pavements as per Technical Specification Clause 202. Dismantling of cement concrete pavements by mechanical means using pneumatic tools breaking to pieces not exceeding 0.02 cum in volume and stock piling at designated locations and disposal of dismantled materials upto a lead of 1000 m, stacking serviceable and unserviceable materials separately

Construction of plastic cell filled cement concrete pavement, thickness100mm (as per design), over a prepared sub base, with 53 gradeOrdinary Portland Cement(OPC) or any other type as per Clause 1501.2.4 M30 (Grade), coarse and fine aggregates conforming to IS : 2386, mixing in a concrete mixer of not less than 0.2 cum capacity and appropiate weigh batcher using approved mix design (As per IRC:44- 2008), laid in the cells made of high density polythyne sheets of thickness 0.22mm to about 0.25mm,side 150mm and depth 100mm of approximate weight of 1250 kg for a road of 3.75m wide and 1.00km , putting iron spike of 200mm long at the end corners of the cells and using nylon threads passing through the cells 10 mm below the top of the cells, in approved fixed side formwork (steel channe, wedges, steel plates including levelling the formwork as per drawing),maitaining camber of about 3 to3.5%, spreading the concrete with sholvels, rakes, compacted using needle, scareed and plate vibrators and finished in continuous operation, curing of concrete slabs for 14- days, curing compound (where specified) and water finishing to lines and grade as per drawing and Technical Specification of Cell filled Concrete. 'Rate analysis is being carried out for Cell filled concrete pavement of 3.75m and 25m in width and length. As per the requirement of DIY on cell filled concrete block, the following are the requirements for a pavement of 3.75m and 25m in width and length that can be constructed in one day: *200 micron plastic sheet-1 kg=28 meter long of 10cm width-(1.75 sq.m/kg-53.57 Kg for 3.75mx25m)*Labour approximately *Male workers 20 Female workers 7 Mason 4 1 number concrete mixer Plate or screed vibrator - 1 no. Mechanical trowelling - 1 no. Max. 25meter length(of width 3.75meter) can be laid in a day (about 10 Cum of CC)

Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and Technical Specification Clause 801 800mm x 600mm rectangular

Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and Technical Specification Clause 801 600mm circular