1. 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

2. 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

3. 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

4. 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

5. Comite River Diversion Overview
Project Description/Scope
Originally Authorized in 1995
Funds appropriated by BBA-18 (PL )
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

7. 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
Responsible for all project LERRDS
Design and construction of Hwys 964, 19, and 67 and Geaux Geaux railroad bridges.
Operation and Maintenance
Flood Plain Management/Funds via LADOTD

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

9. 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

10. 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

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

12. 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

13. Comite River Diversion Project Feature Examples
Diversion Channel
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
Highway/Rail Road Bridges
Provide access over newly constructed diversion channel
Constructed using concrete supports and armoring to protect against scour

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

15. 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

16. 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
2nd Qtr 2021
COM-08
McHugh Rd Bridge and Drop Structure
COM-09
Comite River Diverison Channel- Reach 4 - Segement 4
COM-10
White Bayou Drop Structure
COM-12
Snagging and Clearing - 3 Bayou
COM-11
Comite Diversion Structure
2nd Qtr 2020
3rd Qtr 2021
COM-03
Comite River Diverison Channel- Reach 1 - Segement 1
3rd Qtr 2020
COM-04
Bayou Baton Rouge Drop Structure
COM-05
Comite River Diverison Channel- Reach 2 - Segement 2
COM-06
Cypress Bayou Drop Structure
COM-02
Brooks Lake

17. For additional information please contact:
Questions ??
For additional information please contact:
LADOTD:
Christina Brignac, P.E Or
Utilities:
Susan Douglas, P.E.
USACE:
Bobby Duplantier