Description: Repairing and strengthening of internal coal transportation roads and other important roads at Kolgaon OC Mine under Mungoli Sub Area Name of work Repairing and strengthening of internal coal transportation roads and other important roads at Kolgaon OC Mine under Mungoli Sub Area NIT no WA4350 CIV E 007 2024 25
Details: Granular Sub-base with Well Graded Material (CBR>30 or more) (Table:- 400-1 & Table 400-2):Construction of granular sub-base by providing well graded material like natural sand crushed gravel or crushed stone having CBR >30, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator or plant mix method at OMC, and compacting with vibratory rollers of 80 to 100 kN static weight to achieve the desired density, complete as per Clause 401 of Specification. By Mix in Place Method: For Grading-I Material. Water Bound Macadam:Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening/ binding Materials to fill up the interstices of coarse aggregate, watering and compacting to the required density as pe
Sector: Mining