Hydraulic Asset Maintenance There are two key approaches to asset maintenance…. wait till it breaks or maintain it to avoid inwanted interruptions. CCTV inspection Gold Medal Services has Darwin’s most Sophisticated CCTV Inspection Equipment for Sewer and Stormwater. Hydro Excavation & Jet Cleaning The Safe Way To Dig. Cleaning Sewer and Stormwater Infrastructure. Fire Services Fire protection equipment maintenance and servicing Hydraulic Condition Assessments Planned maintenance equals operational capability Hydraulic Design Services Focused on developing innovative designs that meet your needs Electrical Maintenance Gold Medal Services now offers electrical services including statuatory checks and maintenance