December 2011
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Wednesday, 21 December 2011
Restoration of Lake DeltonBryan Ripp,
P.E., P.G., CPESC 1/2-PDH for this presentation Presentation Synopsis: During the first two weeks of June 2008, Southern Wisconsin experienced unprecedented rainfall and flooding. Inflows to Lake Delton exceeded the 81-year-old Dell Creek Dam’s spillway capacity and lake levels overtopped a previously unknown low area located in the lake’s shoreline ridge between the lake and the Wisconsin River. Within 2 hours early on the morning of June 9, a total breach of the reservoir rim occurred, eroding nearly 700,000 cubic yards of sand material into the Wisconsin River and completely draining the lake. The economy of the Lake Delton and neighboring Wisconsin Dells communities relies heavily on summer tourism. Consequently, reservations at many resorts surrounding the lake were cancelled, causing significant revenue loss. In addition to losing Lake Delton, a section of County Highway A, which served as an important transportation link serving 5000 vehicles and provided the rights-of-way for water, sewer, electric power, telephone and fiber optic cable lines, and gas lines was washed into the Wisconsin River. At the outset it was determined that a fast-track approach should be taken to assure that Lake Delton would be filled by Memorial Day 2009. Consequently, a schedule to close the breach by December 2008 and fully restore Lake Delton by the spring of 2009 was adopted and seen to completion.
Meeting Location: Fort Snelling Officer's Club near Post Road. See map at: http://www.same-msp.org/_images/934thOfficersClub.jpg Meeting Agenda: Social time and lunch (if you so desire) will be from 11:30 AM to 12:30 PM in the dining room of the Officers Club. Post Meeting and Presentation will be from 12:30 PM to about 1:10 PM in the ballroom of the Officers Club. Luncheon Menu, Cost, and RSVP Info: The Club’s cafeteria-style lunches are typically $10.00 or less; people who partake in the cafeteria-style lunch will pay the Officers Club directly. If you come only for the presentations, there is no charge. Please RSVP with your intent to either partake in the cafeteria-style lunch or to come for the presentation only; this will help the Officers Club staff to ensure that an adequate amount of food is prepared. Either leave a voice mail message with Jim Mosner at 651-290-5512, or click the RSVP button in the left-hand column, or send an email message to james.b.mosner@usace.army.mil
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Post President Beth Keister
(l) presented Wayne Wambold
with the Regional Vice
President's Award for his
service to the Post over the
past many years as the
Awards Chairperson.
Wayne was out of town and
unable to receive the award
when it was originally
presented at the August Post
Awards Banquet.
It
was wonderful to have so
many first-time attendees at
the November meeting; there
were at least 10 new faces
in the crowd. Thank
you for attending our
meeting and we hope you
return soon. Also
thank you to our seasoned
members who encouraged all
these new folks to attend.
This
will be the eleventh year that
teams from Minnesota have
participated in the national
Future Cities Competition and will be
the fifth year that the SAME M-SP
Post will be sponsoring a
special award category for the
team that best addresses
"Readiness for Natural and
Man-made Disasters".