| Description | Unit |
| Drilling rig size (transport mode) | Height 1.48 m Length 3 m Width 1.4 m |
| Drill angle | Flat horizontal to 90° vertical |
| Drill tube length | 1.2 m / 1.5 m |
| Power source – high pressure water (hydropower) | 140 to 180 bar |
| Rate of penetration – 180 MPa rock strength (quartzite, norite, granite) | Nominally 50 sec for 1 m |
| Hole diameter | 90 – 350 mm |
| ‘Down the hole’ hammer power output | 12.5 kW & 22 kW |
| DTH Hammer size | 80, 100 & 150 type hammer |
| Excavation size (min) | Height 3.2 m Width 3.2 m |
| Ore pass size in single set up (max) | 2 m diameter or square (thereafter drilling is moved) |
| Hole length (max) | 140 m |
Long Hole Drilling
To drill accurate blast holes for vent raise and ore pass development as well as drilling drain holes and cable holes from flat horizontal to 90° vertical.
View this product in action in HPE World
- Water powered – clean technology
- Water operated DTH hammer
- Track bound (can also be moved with utility vehicle in trackless environment)
- Rig can be set-up in standard size haulage without enlarging the excavation
- Drilling takes place from the rail
- Stability with 4 outrigger posts
- Operation from remote control stand
- Fast set-up for high productivity
EXAMPLE
Typical example for drilling of a 50 m long vertical drain hole diameter 115 mm and reaming to diameter 165 mm
| Function | Cycle Times |
| Set-up | 2 hrs |
| Drilling of a 115 mm diameter hole | 2 hrs |
| Remove drill strings | 1 hr |
| Ream of a 165 mm diameter hole | 2.6 hrs |
| Remove drill strings | 1 hr |
| Pack up | 2 hrs |
