CPRA Board Meeting, Baton Rouge, LA May 15, 2013 Coastal
Protection and Restoration Authority Slide 2 Currently MRT system
under high water watch Extreme rain events in Illinois and Ohio
valley. Phase I flood fight is in effect, Levee Districts are
performing high river inspections, no major issues at this time,
monitoring historic sand boils. Water flowing thru 174 needles at
Bonnet Carre enough to fill the stilling basin. Six bays are opened
on the overbank structure at Old River (670 cfs) Predicted stage at
Carrollton gage will be 14.3 on 5/19 although river can continue to
rise with additional rainfall. Stage at Carrollton on 5/19/2011 was
17.0. Coastal Protection and Restoration Authority Slide 3 HSDRRS
SYSTEM HIGHLIGHTS All gates are operable an there will be no need
to perform interim gap closures. Levees meet the 1% elevation for
this years hurricane season. Some levees that have settled will be
rehabilitated. Fronting protection at pump stations will complete
this fall. Trolley Gate at LA-46 Lakefront Levees, Hayne Blvd.
Slide 4 Coastal Protection and Restoration Authority HSDRRS SYSTEM
HIGHLIGHTS IHNC corridor can be operated although work is still
ongoing at the 150 concrete barge gate. WCC is operable with minor
modifications ongoing at the pump station. System will be in
utilization period this hurricane season, with joint operations by
Corps and NFS. Western Closure Complex IHNC Complex Slide 5 Coastal
Protection and Restoration Authority Hurricane Protection Efforts
in SW LA South West Coastal Integrated Feasibility study (State and
USACE effort) 1. Calcasieu 2. Cameron 3. Vermilion South Central
Project (state only effort) 1. Iberia 2. St. Mary 3. St. Martin
Flood Control Closure Structures (State surplus and CDBG) 1. Bayou
Tigre 2. Delcambre Avery Slide 6 I-10 Laplace Ring Levee Concept
Coastal Protection and Restoration Authority Efforts are ongoing
between the USACE, DOTD and CPRA investigate a ring levee around
I-10 near Laplace. Preliminary Alignment Slide 7 West Shore Lake
Pontchartrain Coastal Protection and Restoration Authority Levee
alignment efforts are ongoing between the USACE and the State Slide
8 Coastal Protection and Restoration Authority New Orleans to
Venice (future projects) Features Hurricane protection in
Plaquemines Parish South of Oakville consists of both federal and
non-federal levees. CPRA is providing engineering and construction
inspection assistance. West bank: Enlargement Mississippi River
levees from City Price to Venice Enlargement of back levees from
St. Jude to City Price Enlargement of back levees from City Price
to Tropical Bend and two 54- inch flap-gated culverts Enlargement
of back levees from Tropical Bend to Fort Jackson and a new
floodgate at Empire Enlargement of back levees from Fort Jackson to
Venice East bank: Enlargement of back levees from Phoenix to
Bohemia and flap-gated culverts Slide 9 Coastal Protection and
Restoration Authority Lafourche and Terrebonne South Lafourche 1.
Reviewing USAE plans for Larose floodwall improvements phase 2. 2.
Continues to improve and raise levees with in-house forces. North
Lafourche Providing technical assistance for levee repairs from
Valentine to Larose. Terrebonne Levee and Conservation 1. Houma
Navigational Canal and Bayou Grand Caillou are operational. 2.
Award CDBG project for a one mile levee repair, Pointe-Aux- Chene
connector Project (East side of J-2 levee alignment) 3. Received
404 permit last week for Little Caillou & Grand Caillou. Slide
10 Coastal Protection and Restoration Authority I Levee Effort
Monitor movements and seepage of levees and T-walls Slide 11
Coastal Protection and Restoration Authority Conclusion CPRA will
reach to all coastal levee authorities and flood protection
entities by June 1 st. CPRA has backup Emergency Operations Center
backup with the Port of Baton Rouge. Have updated our Emergency
Contract. Have received emergency operation Manual from Levee
Districts. Are working on public access for Levee Information
Management System (LIMS) that depicts which gates are open or
closed. Will work with the Corps and local levee districts to
jointly operate major flood control features this hurricane season,
including Seabrook, IHNC, Caernarvon Sector gate, Western Closure
Complex, Bayou Segnette, Eastern Tie In and Western Tie In. Slide
12 Coastal Protection and Restoration Authority Questions? John R.
Monzon, P.E. CPRA Operation Division Chief [email protected] Off.
225-342-4501 Cel. 504-432-7741
