Hydrographic Surveying

Collins provides hydrographic surveying and subbottom profiling services to both public and private sector clients. Missions have included project condition surveys, navigation and dredging support surveys, bridge scour evaluation and monitoring, and surveys supporting waterfront structural design and coastal and environmental studies. Collins combines the latest techniques with years of hands-on experience, thereby providing accurate and informative surveys in support of any project goal.

From laser-based automated hydrographic survey systems to recording fathometers to basic sounding pole or lead line surveys, Collins’ team of engineering and hydrographic professionals can provide a cost-effective, one-stop solution to hydrographic projects.

PROJECT SPECIFIC SERVICES Automated Hydrographic Survey Complete Bathymetric Survey Pre-Dredging and Post-Dredging Survey Beach and Riverbank Profiling Bridge and Wharf Scour Survey Underwater Obstructions or Structure Survey SUPPLEMENTAL DATA COLLECTION Subbottom Profiling and Side Scan Sonar Underwater Imaging Current Measurement Topographic (Land) Specialised Studies TYPICAL FACILITIES Bridges, Reservoirs and Navigation Channels Coastal Structures and Waterfront Facilities Dams and Intake/Outfall Structures Rivers and Harbours

EQUIPMENT AVAILABLE GPS Receivers Laser Range-Azimuth Positioning Survey Echo Sounders Survey Vessels Data Acquisition Software PLOTTING, PRESENTATION & PROCESSING Automated CAD Data Integration Profile, Contour and 3-D Plots Digital Terrain Modeling Volume Computations ENGINEERING SUPPORT Project Planning Site Development Scour Evaluation and Hydraulic Analysis Dredging Engineering Permit Preparation