Earth moving equipment repairing a section of river damaged by a flood caused by a tropical cyclone

excavator stone quarry construction site erosion control revetment retaining wall hire equipment subcontractor dig flood control heavy machinery mining building foreman machine operator gravel boulder retaining wall landscaper natural resources high vis worker builder reventment wall rock grab cyclone damage dirt metal bucket industrial mud pollution bobcat workplace safety repair truck relief fund river delivery property water commercial experienced person material council claw protective wear safety wear dust houses rubbish emergency noisey hardware