 | At a glance some of the diverse work Alterrain have undertaken. - 100m of drill and blast drivage through hard dyke material Hunter Valley coal mine.
- Excavation of 2 shafts 2m x 3m x 12m deep in saturated clays in the basement of a multi story building and the underpinning of a main foundation piers.
- PCF blasting in building basements.
- Excavation by pcf blasting to extend lift well in basement of multi story building.
- Drill and blast large oversized boulders from sheer batters.
- Sealing of abandoned mine adits.
- Rehabilitation and reentry into old mine workings.
- Tunnel and shaft rehabilitation.
- Installation of FGR pipe and grouting thereof to rehabilitate insitu pipe lines.
- Inspection and formulation of scope of works and methodology to reopen abandoned gold mine.
- Batter stabilisation works including rock bolting and shotcreting.
- Excavation of trenches by drill and blast.
- Drill and blast works for roadways and service trenches in subdivision works.
- Drilling and blasting of mass reinforced concrete foundations.
- General excavation by drill and blast in civil construction.
- Driving development roadways through hard dyke material in coal mines using drill and blast techniques.
- Blasting dyke material from longwall faces in coal mines.
- Excavation of overcasts and underpasses by drill and blast in coal mines.
- Long hole drilling for ground anchors.
- Stabilisation of bridge abutments by drilling and installing of ground anchors.
- Equipment recovery from abandoned mine.
- Fall and roadway recovery works.installation of steel sets, ground anchors and strata grouting.
- Mass fill grouting works.
- Decline development works.
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