Basement Demolition Brisbane

Below Ground

THE HARDEST DEMOLITION IS UNDER THE BUILDING.

Below ground, everything works against conventional demolition. There's no crane path and no room to swing. An excavator can't get down the ramp — and if it could, diesel plant can't run in an unventilated basement. The building above usually has to stay standing, stay serviced and often stay occupied while the work happens underneath it. That's why basement demolition defeats general demolishers: it isn't a bulk-machinery job, it's a controlled breaking and cutting job in the tightest space on site.

It's exactly what our kit was bought for. The Husqvarna DXR 305 is 780 mm wide — it drives down carpark ramps, through standard doorways and into lift lobbies under its own power, or gets craned through a slab opening where there's no ramp. It takes 27 kW of breaking power below ground while the operator runs it by remote from up to 300 m away, outside the dust and drop zones. Electric drive means zero exhaust fumes in enclosed levels — the difference between a compliant basement programme and one that can't run at all.

Where the scope runs past breaking — thick transfer slabs, footings, post-tensioned sections or elements hard against retention walls — we pair the robot with diamond wire sawing and floor and wall sawing: low-vibration cuts that drop concrete in craneable, removable pieces instead of hammering next to structure that has to stay.

Basement demolition in Brisbane is the bread and butter of this service — carpark levels and plant rooms under CBD towers, lift pits and shafts in occupied commercial buildings, machine bases and cellars in older stock being refurbished. We run the same crews and the same robot for robotic demolition across Brisbane, the Gold Coast, Sunshine Coast, Ipswich, Toowoomba and all of regional Queensland.

Every basement job runs on full SWMS, mapped exclusion zones and an engineered sequence agreed before the machine goes down the ramp. Read where this fits in our broader complex demolition and confined space demolition services, see what demolition robot hire costs, or send us the drawings — request a quote.

GOT A BELOW-GROUND JOB?

Send us the drawings, photos, or just the access problem. We'll come back with a method and a straight-up quote.

0411 134 101

info@apexcut.com.au

Queensland, Australia

GET A QUOTE

Our Method

DOWN THE RAMP. OPERATOR OUTSIDE.

ASSESS

Access route, headroom, slab capacity, services and the structure above mapped before anything goes down.

SEQUENCE

The breaking and cutting order engineered around what stays — retention, columns, transfer structure — with SWMS and permits in place.

REMOTE BREAK

The DXR 305 drives or is craned in and breaks below ground — electric, fume-free, operator outside the zone.

CLEAR

Debris out the same way the machine came in, the level left clean and the structure above verified intact.

Project Types

WHAT WE DEMOLISH BELOW GROUND

BASEMENT SLAB REMOVAL

Ground-bearing and suspended basement slabs broken out or cut into craneable sections — levels down, through a doorway, with no fumes.

UNDERGROUND CARPARKS

Ramps, decks, plinths and kerbs removed from below-ground carparks for refurbishment, re-levelling or change of use.

LIFT PITS & SHAFTS

Lift pits broken out and shaft walls opened or removed for new lifts — controlled work in the tightest core of the building.

PLANT & TANK ROOMS

Plinths, bunds, tank bases and redundant plant cut out of basement plant rooms inside live buildings. See our confined space demolition service.

MACHINE BASES & PLINTHS

Mass-concrete machine bases and equipment plinths broken or wire-sawn out of sub-floor and basement levels.

SUB-FLOOR & CELLARS

Low-headroom sub-floor levels, cellars and voids in older building stock cleared for refurbishment — where the robot fits and machines don't.

FAQ

BASEMENT DEMOLITION QUESTIONS

Everything works against you below ground: there is no crane path, excavators cannot get down the ramp or through the slab, diesel plant cannot run in unventilated levels, and the structure above usually has to stay standing and stay occupied. Basement demolition is about controlled breaking and cutting with compact, electric, low-vibration equipment — not bulk machinery.

Our Husqvarna DXR 305 is 780 mm wide — it drives down carpark ramps, through standard doorways and into lift lobbies under its own power, and can be craned through a slab opening where there is no ramp. Once in, the operator runs it by remote from up to 300 m away.

Yes. The DXR 305 is electric — no exhaust fumes rising through a live building — and diamond wire sawing and floor sawing are low-noise and low-vibration, so slabs, pits and plinths can come out below ground while the floors above stay occupied. Every job runs on full SWMS, exclusion zones and an engineered sequence.

Yes — Brisbane is our home patch. We break out basement slabs, underground carpark levels, lift pits and plant rooms under CBD towers and commercial buildings across Brisbane, and run the same crews and robot on the Gold Coast, Sunshine Coast, Ipswich, Toowoomba and regional Queensland.

Every basement is priced on scope — access route, slab thickness, reinforcement, volume, ventilation and how the debris gets out all move the number, so we quote per project rather than a flat rate. Send us drawings or photos for a clear price, and see our demolition robot hire cost guide for what drives day rates.