GENERALRM 2025 26 RC 2 Phase 1 One year RC Ernakulam Thrippunithura RM 2025 26 Zone 3 One year Running contract for various PWD Roads under road section Thrip punithura in Ernakulam district 28 road stretches for a length of 24 5 km General Civil W

55.4:Supplying and stacking 36mm size hard broken stone in standard heaps for measurement.

55.8.a:Filling up pot holes (cut and formed to regular shapes and all loose and defective materials removed) after supplying a prime coat of hot bitumen using 36mm departmental broken stone and compacting with power roller to get a compact surface.

10.5.1a:Filling Pot-holes and Patch Repairs with Bituminous concrete, 40mm. Removal of all failed material, trimming of completed excavation to provide firm vertical faces, cleaning of surface, painting of tack coat on the sides and base of excavation as per clause 503, back filling the pot holes with hot bituminous material as per clause 504, compacting, trimming and finishing the surface to form a smooth continuous surface, all as per clause 3004.2 - For grading I Material

5.2.a:Providing and applying tack coat with bitumen emulsion( RS) using emulsion pressure distributor at the rate of 0.20 - 0.30 kg per sqm on the prepared bituminous surface cleaned with mechanical broom.

OD171754/2024-2025:Providing, laying and rolling of close-graded premix surfacing material of 20 mm thickness composed of 11.2 mm to 0.09 mm (Type-A) or 13.2mm to 0.9 mm(type-B) aggregates using penetration grade bitumen to the required line, grade and level to serve as wearing course on a previously prepared base,including mixing in a suitable plant, laying and rolling with a three wheel static roller of 8-10 kN capacity, finished to required level and grades as per technical specification clause 509

OD171755/2024-2025:Dismantling and relaying departmental iinter locking tile (60% existing tiles used) 100mm or nearest thickness, providing a layer of 6mm aggregate for 5cm thickness then laying interlocking cobbles in line and level s as per direction of departmental officers at site

3.15:Scarifying the existing bituminous road surface to a depth of 50 mm and disposal of scarified material with in all lifts and lead upto 1000 metres by Mechanical Means

55.22:Supplying and laying interlocking tile 100 mm or nearest size thickness, minimum strength M 40 including providing a layer of 6 mm aggregate for 5 cm thickness, then laying interlock cobbles in lines and levels as per the directions of the departmental officers at site inclusive of all cost & conveyance charges etc.; complete.

4.12: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 with paver in sub- base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density.