US Army Corps of Engineers

BUILDING STRONG®

Gary Hinkle, PE

June 10, 2014

Mid-West Electric Consumers AssociationBoard of Directors MeetingSylvan Lake, SD

U.S. Army Corps of EngineersOmaha District Update

US Army Corps of Engineers

BUILDING STRONG®

Customer Funded Projects

• Since 2004, 51 Projects • Over $105M• Past, Present & Future

BUILDING STRONG®3

Generators

Big Bend Generator Rewinds - $24M

Future: Preparation of Rewind Specifications; GP, FR, OA, FP

BUILDING STRONG®4

Garrison Rewind Autotransformer $1M

Oahe Rehab GSU’s, Spare GSU, Containment $3.4M

Oahe Parallel Autotransformer $3M

Big Bend Rehab GSUs, Oil Containment $2.4M

Gavins Point Replace GSUs $5.3M

Future: Fort Randall Replace GSU Transformers $15M

Transformers

BUILDING STRONG®5

Relay Replacements

Line Relays $1M

Big Bend Generator Relays $500K

Fort Randall Generator Relays $500K

Future: Fort Peck $400K, Misc Requests

BUILDING STRONG®6

Switchyards

Gavins Point Breaker Replacement $1.5M

Fort Randall – Switchyard Upgrades $15MOahe – Switchyard Breaker Replacement - $4MOahe – Switchyard Upgrades - $7.6M

BUILDING STRONG®7

Exciters

Fort Randall Exciters, $5.5M

Big Bend Exciters, $6.5M

Oahe & Gavins Point Exciters; $6.5M

BUILDING STRONG®8

Gavins Point Vacuum Breakers $1M

Oahe – SF6 Breakers - $3.5M

Big Bend Unit Breakers - $4M

Unit Breakers

BUILDING STRONG®9

Station Service Equipment

Completed Station Service Rehabs at GA, BB, FP

Requesting Station Service Rehabs at FR & GP

Future Requests for Oahe

BUILDING STRONG®

Governors

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Design Governor Upgrades $250KGovernor Upgrades Supply Contract $2MGovernor Installation $3M / Plant

BUILDING STRONG®

Mechanical Repairs

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Oahe Generator Air Coolers $1.3M

Big Bend Bearing Oil Coolers / Shaft Sleeves / HP Oil Lift $800K

Fort Randall Penstock Packing; $525K

Gavins Point Trash Racks $80K

Unwatering Valves / Station Drainage, Big Bend & Fort Randall

BUILDING STRONG®12

TurbinesGarrison Major Rehab

Fort Peck Unit 2

Future: Fort Randall, Big Bend, Fort Peck, Gavins Point, Oahe

BUILDING STRONG®

2015 Request - $16.3M

Station Service Breakers & Dry Type Transformers; (Gavins Point & Fort Randall)

Unwatering Valves, Raw Water Header, Drainage Piping (Big Bend & Fort Randall)

Replace Excitation Systems (Oahe & Gavins Point

Upgrade Governor Controls (GP, BB, OA) New Designs (Fort Randall GSU Transformers,

Generator Rewinds @ 3 projects)

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BUILDING STRONG®

Questions

Thank you.

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