Quick Answer
Civil engineers should consider: machine size relative to excavation depth and volume, ground conditions, site access constraints, and NSW WHS compliance requirements before hiring.
## Excavator Hire Considerations for Civil Engineers Civil engineers specifying plant hire for projects need to consider several factors beyond just machine size. ### Machine Selection - **Excavation depth** — standard mini excavators dig to 2.5m; larger machines to 5m+ - **Bucket capacity** — match to soil type and cycle time requirements - **Attachments** — hydraulic breaker, auger, compactor plate - **Tail swing** — zero tail swing machines for confined urban sites ### Ground Conditions - Confirm bearing capacity for machine weight - Rock or hard fill may require a hydraulic breaker attachment - High water table — confirm pump availability ### NSW WHS Compliance - Excavations over 1.5m require a Safe Work Method Statement (SWMS) - Excavations over 4m require an engineer-certified shoring design - Operators of 3.5T+ machines require a High Risk Work Licence ### Delivery and Access - Confirm low-loader access to site (2.5m wide, 4m overhead clearance) - For remote or difficult access sites, call 1300 157 882 to discuss options Call 1300 157 882 for civil project pricing and availability.
Excavations over 1.5m require a SWMS. Over 4m require engineer-certified shoring. Operators of 3.5T+ machines need a High Risk Work Licence.
Yes. Hydraulic breaker attachments are available for the 3.5T and larger machines. Call 1300 157 882 to confirm availability.
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