CSCS Mini Digger case studies
CSCS Mini Digger · Put your knowledge to work in context.
The CSCS Mini Digger assessment is a multiple-choice test used to confirm that an operator has the health, safety and operational knowledge expected of someone running a mini excavator on a construction site. It is aimed at trainee and experienced operators, site supervisors who oversee plant work, and anyone whose role requires them to demonstrate competence on compact excavators. The CSCS Mini Digger case studies are 5 cases and about 4,917 words.
1Spoil, Pedestrians and a School Run
A 1.8 t zero-tail-swing mini excavator is digging a 0.9 m deep x 0.4 m wide water-service trench along a 1.8 m wide footway on an occupied housing estate. The footway is closed, and pedestrians are diverted through a 1.2 m gap between the spoil heap and the site hoarding.
987 words, about 5 min2Cable Strike on a Domestic Supply
A 2.6 t excavator is cutting a 600 mm deep trench for a new garden supply at an occupied house. Utility drawings, requested the day before, showed no recorded services, and no permit-to-dig has been issued for this job.
946 words, about 5 min3Tracking Down a Wet Slope
A 1.5 t tracked mini excavator is digging a drainage run across a lawn that falls at roughly 1:8 toward a brook. Overnight rain has left the top 150 mm of soil soft.
993 words, about 5 min4The Chafed Hose and the 16:00 Deadline
At the 07:00 pre-start, the operator finds the dipper-arm hydraulic hose chafed through its outer sheath, with a damp patch and a fine mist appearing when the arm is moved under pressure. The reservoir sight glass is at the minimum mark.
942 words, about 5 min5Lifting a Manhole Ring with the Bucket Eye
Four 250 kg precast concrete ring sections have to go into a 1.3 m deep manhole. The 1.7 t mini excavator has a lifting eye welded to the bucket and a rated capacity chart in the cab.
1,049 words, about 5 min