The Eau Claire (WI) Waterways and Parks Commission voted 7-5 Wednesday to allow the summer collegiate Eau Claire Express (Northwoods League) to construct two small fan decks within the upper grandstand at Carson Park. Three rows (22 seats) of bench seating would be removed to accommodate the new decks. The proposal will now go before the city council for final consideration. Read more here.
ballparkbiz.wordpress.com 
I assume these decks will be similar to the open air suites the summer collegiate Madison Mallards (Northwoods League) built at Warner Park before the big renovations there:
http://www.ballparkhunter.com/?page_id=34#jp-carousel-684
Alan