mining engineering hydrology groundwater MINING ENGINEERING Golder Associates provides a complete range of geotechnical and mining engineering services for the aggregate industry to assist in excavation and foundation design and implementation. These services include design and supervision of geotechnical drilling investigations, Rock strength assessment; Crusher excavation and foundation design ; Tunnel excavation and support design; Wall stability assessment, design and optimisation; Underground mining design including pillar design for optimum extraction and stability; Underground roof span design and support requirements; Optimization of blasting and vibration design; Blast vibration monitoring; and Foundation design for dykes and berms for stormwater and siltation pond design.