For driveway sized concrete removal jobs a hydraulic jack hammer is is the right tool to get the job done right and fast.
For those small Concrete removal jobs, an Electric Jack Hammers will usually do the trick.
Info about Controlling Silica Dust.
Rent our Hydraulic Jack Hammer:
$60/ day for the Hydraulic Power Pack with Hoses
Weight, incl. hoses: 58 lb
Breaker Version: Standard
Shank Size (mm): 28×152
Shank Size (inch): 1 1/8×6
Oil flow: 317 – 476 gpm
Working pressure: 1595 – 1813 psi
Back Pressure, max: 218 psi
Impact rate: 1350 – 1750 blows/min
Vibration level 3 axes (ISO 28927-5), 10 lpm*: 18.2 m/s2
Sound power level guaranteed, Lw (2000/14/EC)*: 110 dB(A)
Sound pressure level (ISO 11203)* Lp, r=1m: 95 dB(A)