Project Description:
Maintenance and improvement dredging of a portion of the Federal navigation channel and Federal maintenance area in New Bedford Harbor as well as the slip area located south of the New Bedford State Pier.
Coler & Colantonio, Inc. provided hydrographic survey support and control for the project. Efforts included performing GPS control, project datum verification surveys, and existing conditions survey of the entire dredge area.

Special Considerations:
• Field-to-finish post-processing and plan generation within 24-hours.
• Volume computations and final plan submittals within 3 days of performing the survey.

Collaborating Divisions, Completing the Project, Included:
• Surveying Engineering

Detailed List of Services:
• Control Verification Surveys
• Existing Condition Hydrographic Survey
• Pre-, Interim, and Post-Dredge Surveys
• Plan Submittals
• Volume Computations
• Hydrographic surveys were performed using a totally automated survey system consisting of RTK GPS positioning system, digital precision echosounder, and tide guage interfaced to a ruggedized notebook computer. Dedicated hydrographic survey software provided real-time data collection and navigation.