Florida Inland NavigationFlorida Inland NavigationDistrict: Broward County Deepening District: Broward County Deepening Project Dredging Challenges – Project Dredging Challenges – Permitting the Dredging of thePermitting the Dredging of theIntracoastal Waterway, Dania Cutoff Intracoastal Waterway, Dania Cutoff Canal, and the New River Canal, and the New River

Presented by: Robert J. Wagner, P.E.Presented by: Robert J. Wagner, P.E.Coauthors: Lori Brownell, P.E. and John Adams, P.E. Coauthors: Lori Brownell, P.E. and John Adams, P.E.

October 2012October 2012

Florida Inland Navigation District (FIND)

www.aicw.org

50-Year Dredged Material Management Plan

Broward County Deepening Project Objectives

Project Strategy• Document necessary public support

• Acknowledge regulatory agencies’ duty to protect the environment

• Justify public money expenditures

• Resolve technical issues

• Foster cooperation between all team members

FIND administration

Broward County Board of Commissioners

Permitting and regulatory agencies

Dredging contractor & subcontractors

Design team

Technical Issue Resolution

Technical Analyses: The Foundation of Project Design• Aerials

• Bathymetric surveys

• Previous dredging records

• Natural resource data

• Dredged material disposal options

• Marine Industry economic analysis

• Recreational boater surveys

• Subsurface geotechnical investigation

• Physical & chemical sediment analysis

• Hydrodynamic water quality modeling

Project Description and Location – New River

Project Challenges – New River Tunnel

Project Challenges – Seagrass Avoidance Intracoastal Waterway Profile

Project Challenges – Seagrass Avoidance Intracoastal Waterway Section

Project Description and Location – Dania Cutoff Canal

Project Challenges – Dania Cutoff Canal

Project Overview – DMMA Offloading

Project Overview – DMMA Overview