What is the simple sequence of work in road construction?
The simple sequence of work in road construction typically involves the following steps:
. Site Preparation: Clearing the site of vegetation, debris, and obstacles, and grading the land to establish a level surface.
. Earthwork: Excavating and shaping the land to create the desired road profile, including cutting and filling to achieve proper slopes and elevations.
. Subgrade Preparation: Compacting and stabilizing the soil to create a stable foundation for the road. The aim is to achieve good compaction and to achieve the desire MDD (Maximum Dry Density) by ensuring OMC (Optimum Moisture Content) at the time of compaction.
. Base Course Installation: Placing and compacting different layers of suitable materials to form the base of the road, and also to ensure the required compaction.
. Pavement Installation: Applying asphalt or concrete pavement on top of the base course to create the driving surface.
. Surface Treatment: Applying sealants, markings, and other finishing touches like Krebs mediums etc. to the road surface for durability, visibility, and safety.
. Final Inspection and Testing: Conducting thorough inspections and testing to ensure the road meets quality standards and specifications.
. Maintenance and Monitoring: Implementing ongoing maintenance and monitoring programs to preserve the road’s condition and address any issues that arise over time.
