Down-the-Hole blast-hole drilling
Vignesh Drilling provides blast-hole drilling using Down-the-Hole (DTH) drill rigs for open-pit mining, including production drilling in hard-rock and mine strata. View our drilling fleet for excavator-mounted DTH rigs, truck-mounted drills and high-pressure compressors that can be mobilised to site.
Hole diameter, maximum depth and production targets are confirmed from the client mine plan and rig configuration. High-pressure compressed air is used for drilling and hole cleaning. Request a technical proposal after sharing the mine plan, drilling diameter, expected depth and working hours.
Technical capability
Aligned to the approved mine plan and client HSE procedures.
- DTH method with compressed-air support
- Daily metres, downtime and consumables reporting
- Qualified drill operators and support crew
- Preventive maintenance and routine checks
Site delivery
Aligned to the approved mine plan and client HSE procedures.
- DTH method with compressed-air support
- Daily metres, downtime and consumables reporting
- Qualified drill operators and support crew
- Preventive maintenance and routine checks
Scope notes
Explosives supply, blasting services, surveying, fuel and other items can be included or excluded according to the final contract scope.
Drilling follows the approved pattern and depth. Shift production records, toolbox talks and equipment inspections are part of every package.
Drilling follows the approved pattern and depth. Shift production records, toolbox talks and equipment inspections are part of every package.
Drilling follows the approved pattern and depth. Shift production records, toolbox talks and equipment inspections are part of every package.
Drilling follows the approved pattern and depth. Shift production records, toolbox talks and equipment inspections are part of every package.