Soft Rock Excavation
Excavation is the exposure, processing and recording of archaeological remains. An excavation site or "dig" is a site being studied. Such a site excavation concerns itself with a specific archaeological site or a connected series of sites, and may be conducted over as little as several weeks to over a number of years.
There are two type of Excavation
- Common Excavation
- Hard Rock Excavation
Excavation by means of mechanical excavator with the attachment of hydraulic rock breaker of 20 tons capacity with 150mm dia chisel, the above method of work which is consider only has only medium rock.
Soft rock excavation
Soft rock excavation and soft rock breaking using ripper with hydraulic excavators.In soft rock excavation we use latest heavy earth moving equipment to break and excavate the soft rock in mass quantity and finish the work at your time schedule.
Medium rock means schist rock is a medium grade metamorphic rock with medium to large grain of mica, which is breakable only with open joints not in sheet rock.Consideration of medium rock by Rock Quality Designation Recovery (RQD) %, which recovery sample during core cutting the percentage of core sample is to be at within 28% to 30% of the recovery sample.In soil investigation report the recovery % sample has not been mentioned in your report.
Methodology of Excavation of Medium Rock
Excavation by means of mechanical excavator with the attachment of hydraulic rock breaker of 20 tons capacity with 150mm dia chisel, the above method of work which is consider only has only medium rock..