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----- - - J \ _; ----- - December 2, 2008 Mr. Mark Maloney Grass Lake Watershed Management Organization 4600 Victoria Street North Shoreview MN 55126 ~~~ ~. . ,u' Re: Progress on Lake Owasso UAA 23/62-94G Barr Invoice Period: October 4, 2008 through October 31, 2008 Dear Mr. Maloney: The enclosed invoice is for professional services, which include the following: ® Attend October 16, 2008 GLWMO meeting. ® Review flow monitoring data. ® Begin compiling precipitation data for model validation. The table below provides a summary of the project budgets based on the major work tasks identified in the agreed upon scope of services. Task Task Descri tion Updated Contract Bud et Current Invoice Total Billed (including this invoice) Balance 001 Current & Historic WQ $2,020.00 $155.00 $2,544.00 -$524.00 002 Set Beneficial Use Goals $1,150.00 $562.50 $562.50 $587.50 003 Assess Goal Attainment $350.00 $0.00 $0.00 $350.00 004 Estimate Lake Water & TP $18,345.17 $0.00 $18,345.17 $0.00 Budgets 005 In-Lake Modeling Ex LU $21,743.45 $O.OG $21,956.28 -$212.83 006 In-Lake Modeling Future LU $3,050.00 $0.00 $93.50 $2,956.50 007 BMP Assessment $5,040.00 $0.00 $0.00 $5,040.00 008 UAA Report $16,870.00 $0.00 $12,512.50 $4,357.50 009 Project Management $8,545.00 $540.50 $9,658.12 -$1,113.12 010 Lake Use Survey $13,001.38 $0.00 $13,001.38 $0.00 011 2008 Monitoring (Barr Only) $2,000.00 $229.50 $2,790.88 -$790.88 012 2008 Watershed Model Validation $7,265.00 $297.50 $422.50 $6,842.50 013 2008 In-Lake Model Validation $7,130.00 $0.00 $0.00 $7,130.00 TOTAL $106,510.00 $1,785.00 $81,886.83 $24,623.17 Barr Engineering Company 4700 West 77th Street Minneapolis, MN 55435-4803 Phone: 952-832-2600 Fax: 952-832-2601 www.barr.com An EEO Employer Minneapolis, MN Hibbing, MN Duluth, MN Ann Arbor, MI Jefferson City, MO