DREDGING YOUR DOCKS 2013 Supported by: USACE Galveston District U. S. Coast Guard Sabine Neches Navigation District
DREDGING YOUR DOCKS 2013 Organized By: CRA Hydrographic Surveyors Orion Marine Group
DREDGING YOUR DOCKS 2013 Dredging Private Terminal
Permits Hydrographic & Pre-Dredge Survey Dredge Material Placement Areas Sediment Sampling Dredging Method Selection Cost & Scheduling Dredge Project Management Post Dredge Closeout
PERMITS Maintaining a current USACE permit, includes: Current date, owner & information Execute a time extensions - 10 years, if required Amendment to add any potential DMPA Confirm dredge methods Submit any amendments for any new construction Approval process and or public notice Confirm USACE final approval
USACE Consent to Easement Obtained thru the real-estate department Required prior to dredging in any USACE DMPA. Documents the disposal fees due to the USACE.
PERMITS Nation Wide #35 The NWP #35 can be utilized for certain maintenance project. Dredging can be performed to previous authorized depths. Material must be deposited in upland site with proper siltation controls.
PERMITS TCEQ Water Quality Certification Require owners to obtain a Water Quality Certification from the TCEQ TCEQ requirements 300 mg/l (TSS) or less suspended solids. It takes about s 1 to 2 weeks to obtain the certification.
PERMITS Navigation Districts & Private DMPA Usually requires site specific criteria: Surveys Sediment sampling Payments Contract terms. Should be documented on the USACE
HYDROGRAPHIC & PRE-DREDGE SURVEY Hydrographic Surveys Survey Recommendations –annually Calculates siltation rates & dredge cycles Help evaluates annual dredge budgets Documents pre- post storm elevations Provides pilots & customers with depth data
HYDROGRAPHIC & PRE-DREDGE SURVEY Pre-Dredge Survey Pre-Dredge Survey within two Weeks Compare Contractors with 3rd Party Verify, Quantities, Tide Gauge, & intervals Verify survey datum and station #’s Include over-dredge and side slopes
DREDGE PROJECT MANAGEMENT Dredging Manage & test effluent discharge Coordinate vessel traffic Debris & trash Schedule docks Daily time tickets Interim surveys Post dredge survey
POST DREDGE CLOSEOUT Review dredge daily logs, and time tickets Review contractors & 3 rd party post dredge survey Evaluate the results Mutually agree on a quantities Submit to DMPA Owner Pay disposal fees Pay contractor
PROJECT PLANNING Periodic hydrographic survey Review sedimentation rates Establish dredge cycles Be aware USACE projects Coordinating with neighboring facilities
PROJECT PLANNING – Cont. Keep permits up to date Have a dredging relief plan DMPA applications & contracts Establish alternate DMPA Consider on-site disposal options
THANK YOU FOR ATTENDING DREDGING YOUR DOCKS 2013