Underground / Withheld
Long-hole production drilling package for an underground mine.
02 / Application & working conditions
Built for this application.
A practical look at machine dimensions, drilling coverage, ventilation and automation requirements before equipment selection.
- Drift envelope
- Confirm from mine plan
- Hole orientation
- Vertical / inclined / fan pattern
- Hole length
- Confirm from production plan
- Ventilation
- Site assessment required
- Automation level
- Confirm with operating team
- Shift target
- Not publicly disclosed
03 / Machine & solution
Machine configuration.
This base configuration was selected around the disclosed application and drilling requirements. Final project options are confirmed in the technical offer.
Sandvik DL422i Underground Longhole Drill Rig
Envelope before model. Selection begins with drift dimensions, access and required drilling coverage.
Production-hole capability. Rod handling and drilling control are matched to the planned hole pattern.
- Brand
- Sandvik
- Model
- DL422i
- Drilling method
- Top-hammer longhole
- Hole diameter
- 76–127 mm
- Maximum hole length
- 54 m
- Boom coverage
- 4 m
- Rod length
- 1.22–1.83 m
- Drilling power
- HPP1590, 90 kW
04 / Project evidence & service
Equipment, delivery and field support.
Project, delivery and equipment views are identified transparently. Representative product imagery is used only where dedicated customer-site media has not been released.
Equipment Selection
Rig and drilling system matched to the disclosed application and conditions.
Pre-shipment Inspection
Configuration, key functions and shipment scope checked before release.
Delivery Support
Packing, transport and receiving requirements coordinated for the destination.
Technical Support
Operation, maintenance and parts-support scope aligned with the project.
05 / Result
Project result.
Only approved project facts are shown. Unverified penetration, output and fuel figures are not published.
A selection record that connects the mine plan to the equipment envelope.
Automation and ventilation requirements identified before commercial configuration.
Not published — no estimated penetration, output or fuel figures are presented as project results.
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