Advanced Onsite Assessment (AOSA) Contents ... A42 Crusher 01 07 20 A43 Screener 01 07 20 A44 Concrete Pump Trailer Mounted 01 07 20 A45 Piling Rig – Driven below 20 tonnes 01 07 20 A46 Piling Rig – Driven above 20 tonnes 01 07 20 A47 01Piling Rig – Bored below 20 tonnes 07 20 A48 Piling ...