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US Army Corps of Engineers

BUILDING STRONG®

U.S. Army Corps of Engineers, Mobile DistrictCreating a Resilient Alabama & Mississippi Coast

NOAA's Regional Preparedness Training (NRPT)

TOm Smith, P.E.

June 8, 2016

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No Country For Old Cars

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Mobile River Delta & Basin Overview

Natural Features

Salient Components Industrial/Commercial Complex

Transportation and Wastewater Infrastructure

The Adjoining Population Centers

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Mobile Bay/Delta:

• Five rivers (Mobile, Tensaw, Blakeley, Spanish, and Apalachee) form the 2nd largest delta in the US, the 4th

largest watershed based on drainage, and the 5th largest based on area.

• 415 sq mi bay area with average depth of 10 feet and over 135 miles of shoreline. Designated as 1 of 28 National Estuary Programs in 1995.

• One of the most diverse ecosystems in the US with 3types of wetland habitats, extensive seagrasses, 200+ species of fish, major shellfish communities, and 300+ species of birds and reptiles.

• Mobile-Tombigbee river basin is 1 of 51 USFWS recognized Strategic Habitat Units in Alabama for managing, recovering, and restoring populations of rare fishes, mussels, snails, and crayfishes.

• Only one of two places (Tokyo Harbor) on earth where thephenomenon of “Jubilees” occur.

• Alabama Seafood Industry contributes to approximately$461M in revenue annually and 10,000 jobs.

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Mobile BayIndustrial Complex Twelfth busiest port in

the US. Cargo and passenger Vessels

Home to commercial and military ship builders

Growing aerospace industry including large scale passenger plane manufacturing and repair

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Mobile BayInfrastructure, Tunnels Two highways span the

country from east to west

Highway 90 and Interstate 10 extend below water

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Mobile BayInfrastructure

Interstate 10 elevated 20 feet above the Bay

Rail tonnage through Port of mobile, 6.2 Million Tons

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Mobile BayAdjoining Infrastructure MAWSS has two wastewater

treatment plants - McDuffie Island (top) and Three Mile Creek (below)

The McDuffie Island plant processes 28 MGD and is 15 feet above sea level

The Three Mile Creek plant processes 12.8 MGD and is 10 to 30 feet above sea level

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BUILDING STRONG®

Mobile BayDown the Bay Community 2000 Residences

11 feet above sea level

Slab on grade construction

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Mobile BayHistoric District, Downtown

600 Residences

13 feet above sea level

Step-up Elevation first floor

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Mobile BayLODA, Downtown

300 Residences (with seniors)

13 feet above sea level

Nonresidential first floor

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Mobile BayDe Tonti Square

100 Residences

10 feet above sea level

Step-up elevation first floor

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Mobile BayOrange Grove, Renaissance 400 Residences (with Seniors)

10 feet above sea level

Slab on grade first floor

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Mobile BayPlateau (Africatown)

200 Residences

20 feet above sea level

Slab on grade first floor

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Mobile BayHospitals

700 Beds

9 feet above sea level

Nonresident first floor

BUILDING STRONG®

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BUILDING STRONG®

QUESTIONS??