Amite River and Basin Commission Quarterly Meeting  USACE New Orleans

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 (BBA18) Total USACE funding: 17.3B Investigations - 135M 75M for areas affected by major storms Construction - 15B 10.4B for areas affected by major storms 4.5 B for areas NOT affected by major storms 50M for Continuing Authorities Program Mississippi River & Tributaries - 770M 370M in repairs since the last 2016 Flood Events 400M for currently authorized construction of flood & storm damage reduction projects Operations & Maintenance Dredging - 608M Flood Control & Coastal Emergencies - 810M 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 - 343M 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 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, Easements, Right of way, Relocations & Disposal Areas Bridge Design and Construction at LA 964, LA 19 and LA 67. LA 19 & LA 67CMAR Design Consultant Advertisement: Under contract fall of 2019 LA 964 Design: Under Contract; 50% complete Anticipated bid date: 1st qrt of 2020 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 4th Quarter of 2019 Construction Start 1st 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-4th quarter 5 communication fibers-4th 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, McHugh 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 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 4th Qtr 2019 4th Qtr 2020 COM-07 Comite River Diverison Channel- Reach 3 - Segement 3 4th Qtr 2019 2nd Qtr 2021 COM-08 McHugh Rd Bridge and Drop Structure 4th Qtr 2019 2nd Qtr 2021 COM-09 Comite River Diverison Channel- Reach 4 - Segement 4 4th Qtr 2019 2nd Qtr 2021 COM-10 White Bayou Drop Structure 4th Qtr 2019 2nd Qtr 2021 COM-12 Snagging and Clearing - 3 Bayou 4th Qtr 2019 2nd Qtr 2021 COM-11 Comite Diversion Structure 2nd Qtr 2020 3rd Qtr 2021 COM-03 Comite River Diverison Channel- Reach 1 - Segement 1 3rd Qtr 2020 2nd Qtr 2021 COM-04 Bayou Baton Rouge Drop Structure 3rd Qtr 2020 2nd Qtr 2021 COM-05 Comite River Diverison Channel- Reach 2 - Segement 2 3rd Qtr 2020 3rd Qtr 2021 COM-06 Cypress Bayou Drop Structure 3rd Qtr 2020 3rd Qtr 2021 COM-02 Brooks Lake 4th Qtr 2020 3rd Qtr 2021 16 BUILDING STRONG

Questions ? For additional information please contact: LADOTD: Christina Brignac, P.E [email protected] Or Utilities: Susan Douglas, P.E. [email protected] USACE: Bobby Duplantier [email protected] 17 BUILDING STRONG