Amite River and Basin Commission Quarterly Meeting USACE

Amite River and Basin Commission Quarterly Meeting § USACE New Orleans District Senior Project Manager: Bobby Duplantier § DOTD Headquarters Senior Project Manager: Christina Brignac, P. E. Date: 18 June 2019

Comite River Diversion Project DOTD Organization Chart • • • DOTD Secretary: Dr. Shawn Wilson Chief Engineer: Christopher Knotts, P. E. Deputy Assist. Sect. PW: Patrick Landry, P. E. Project Manager: Christina Brignac, P. E. Utilities & Land Manager: Susan Douglas, P. E. Real Estate Coordinator: Erin Roussel BUILDING STRONG®

Comite River Diversion Project USACE Organization Chart District Commander: Col. Stephen Murphy Executive Staff: DPM - Mark Wingate Assistant Deputy DPM, Baton Rouge Office– Nick Sims Major US Army Corps of Engineers, Baton Rouge Office - Kevin Hankton PM Staff: SPM – Bobby Duplantier PM – PJ Varnado BUILDING STRONG®

Bi-Partisian budget act of 2018 (BBA 18) § Total USACE funding: $17. 3 B § Investigations - $135 M § $75 M for areas affected by major storms § Construction - $15 B § $10. 4 B for areas affected by major storms § $4. 5 B for areas NOT affected by major storms § $50 M for Continuing Authorities Program § Mississippi River & Tributaries - $770 M § $370 M in repairs since the last 2016 Flood Events § $400 M for currently authorized construction of flood & storm damage reduction projects § Operations & Maintenance Dredging - $608 M § Flood Control & Coastal Emergencies - $810 M BUILDING STRONG®

Comite River Diversion Overview § Project Description/Scope § Originally Authorized in 1995 § Funds appropriated by BBA-18 (PL-115 -123) § Provide flood risk management to the southern portion of the Comite River Basin through construction of the following project features: § Diversion Channel § Control structure at the Comite River § Control structure at Lilly Bayou § Four drop structures § Two railroad bridges § Four highway bridges and one parish road bridge § Clearing and Snagging § Estimated project cost - $343 M § Required project completion date – July 2021 BUILDING STRONG®

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Comite River Diversion Partnership § § § Project Cooperation Agreement § Executed on 1 October 2001 § Amendment 1 executed on 18 August 2006 § Amendment 2 executed on 15 February 2019 § Allows for all NFS work to be reimbursable pending USACE review Non-federal Sponsors § LA DOTD § Amite River Basin Commission § City of Baton Rouge, East Baton Rouge Parish Roles § LA DOTD § Responsible for all project LERRDS § Design and construction of Hwys 964, 19, and 67 and Geaux railroad bridges. § City of Baton Rouge, East Baton Rouge Parish § Operation and Maintenance § Amite River Basin Commission § Flood Plain Management/Funds via LADOTD 7 BUILDING STRONG®

DOTD Project Tasks 2019 -2021 Land, Bridge Design and Construction at LA 964, LA 19 and LA 67. Easements, Right of way, Relocations & Disposal Areas LA 19 & LA 67 CMAR Design Consultant Advertisement: LA 964 Design: Under Contract; 50% complete Anticipated bid date: 1 st qrt of 2020 Under contract fall of 2019 8 BUILDING STRONG®

US Highway 61 Status • USACE and KCSR have agreed in principle to terms • Cost Reimbursement Agreement is anticipated to be executed by 30 Sept • Contract 4 th Quarter of 2019 • Construction Start 1 st Quarter 2020 • Completion date July, 2021 9 BUILDING STRONG®

US Highway 61 Utilities West-side Relocations: • 3 pipelines -completed • 1 of 2 transmission lines complete • 2 communication fibers-60% complete • Completion date October 31, 2019 East-side Relocations: • 2 of 4 pipelines complete • 1 distribution line-4 th quarter • 5 communication fibers-4 th quart 10 BUILDING STRONG®

Simultaneous Construction tasks along the Comite Channel Task In Progress: • • Land Acquisition-Advanced Acquistions Mitigation Acquisition Relocation of Utilities Bridge Design 11 BUILDING STRONG®

Comite River Diversion Project Features Constructed § Lilly Bayou Control Structure (Completed in 2011) ► ► Concrete structure and weir controlling flows from the diversion channel into the Mississippi River Sediment trap to reduce siltation into the Mississippi River 12 BUILDING STRONG®

Comite River Diversion Project Feature Examples § Diversion Channel ► ► ► § Highway/Rail Road Bridges Conveys flows from Comite River to Mississippi River Earthen channel lined with rip rap Extends approximately 12 miles from the Comite Diversion structure to the Lilly Bayou Control Structure ► ► 13 Provide access over newly constructed diversion channel Constructed using concrete supports and armoring to protect against scour BUILDING STRONG®

Comite River Diversion Project Feature Examples § Diversion Structure ► ► § Drop Structures Diverts flows from Comite River to diversion channel Consist of a reinforced concrete weir and inflow channel ► ► 14 Concrete structures to convey flows from existing bayous to diversion channel Clearing/snagging of intersecting bayous North of diversion channel BUILDING STRONG®

Comite River Diversion 90 Day Focus Areas § § § Award construction contract for Hwy 61/KCS RR Bridge and Clearing and Grubbing of Channel Segment 3 and 4, White Bayou, Mc. Hugh Rd. and Diversion Structure Footpront – Dec 2019 Field investigations (borings and surveys) for remaining project features Design of remaining project features Ongoing relocations by NFS acquisition of remaining real estate 15 BUILDING STRONG®

Comite River Diversion MVN Estimated Construction Schedule CONTRACT PROJECT FEATURE USACE Ready to AWARD DATE SUBSTANTIAL COMPLETION DATE COM-01 Hwy 61 Bridge and KCS RR Bridge 4 th Qtr 2019 4 th Qtr 2020 COM-07 Comite River Diverison Channel- Reach 3 - Segement 3 4 th Qtr 2019 2 nd Qtr 2021 COM-08 Mc. Hugh Rd Bridge and Drop Structure 4 th Qtr 2019 2 nd Qtr 2021 COM-09 Comite River Diverison Channel- Reach 4 - Segement 4 4 th Qtr 2019 2 nd Qtr 2021 COM-10 White Bayou Drop Structure 4 th Qtr 2019 2 nd Qtr 2021 COM-12 Snagging and Clearing - 3 Bayou 4 th Qtr 2019 2 nd Qtr 2021 COM-11 Comite Diversion Structure 2 nd Qtr 2020 3 rd Qtr 2021 COM-03 Comite River Diverison Channel- Reach 1 - Segement 1 3 rd Qtr 2020 2 nd Qtr 2021 COM-04 Bayou Baton Rouge Drop Structure 3 rd Qtr 2020 2 nd Qtr 2021 COM-05 Comite River Diverison Channel- Reach 2 - Segement 2 3 rd Qtr 2020 3 rd Qtr 2021 COM-06 Cypress Bayou Drop Structure 3 rd Qtr 2020 3 rd Qtr 2021 COM-02 Brooks Lake 4 th Qtr 2020 3 rd Qtr 2021 16 BUILDING STRONG®

Questions ? ? For additional information please contact: LADOTD: Christina Brignac, P. E christina. brignac@la. gov Or Utilities: Susan Douglas, P. E. susan. douglas@la. gov USACE: Bobby Duplantier Bobby. Duplantier@usace. army. mil 17 BUILDING STRONG®