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Barr Engineering Company
<br />4700 West 77th Street Minneapolis, MN 55435-4803
<br />Phone: 952-832-2600 Fax: 952-832-2601 www.barr.com An EEO Employer
<br />Minneapolis, MN Hibbing, MN Duluth, MN • Ann Arbor, MI Jefferson City, MO
<br />October 16, 2007
<br />Mr. Mark Maloney
<br />Grass Lake Watershed Management Organization
<br />4600 Victoria Street North
<br />Shoreview MN 55126
<br />Re: Progress on Lake Owasso UAA 23/62-946
<br />Barr invoice Period: September 8, 20U'i through October 5, 2007
<br />Dear Mr. Maloney:
<br />The enclosed invoice is for professional services, which include the following:
<br />• Refine watershed divides based on additional storm sewer data - = - ~ -
<br />• Developed land use and soils GIS coverage for use in P8 modeling ', - - '
<br />• r" Compiledprecipitation and temperature data for P8 modeling ~ ` `
<br />,• Started to. bui_1d P8. model by entering pond and structtire data ,
<br />• Email response to Mark Maloney addressing questions raise by commissioners at the.July 2007 - , ~ ~ ,
<br />GLWMO meeting about the sediment core results, differences between Barr and RWMWD "
<br />summer average water quality data, and status of inflow monitoring.
<br />In addition to the work performed by Barr, Ramsey County (Terry Noonan) continued to collect
<br />water quality in Lake Owasso and RWMWD monitored three major stormwater inflows to Lake
<br />Owasso. Overall the project is on schedule and moving forward as planned. We continue to work
<br />with RWMWD staff and Ramsey County staff to get the inflow water quality monitoring data so that
<br />model calibration can begin. The table below provides a summary of the project budgets based on
<br />the major work tasks identified in the agreed upon scope of services.
<br />
<br />
<br />Task
<br />
<br />_ Task Descri tion
<br />Contract
<br />Bud et
<br />Current
<br />Invoice Total Billed
<br />(including this
<br />invoice
<br />
<br />3aiance .
<br />001 Current & Historic WO $2,020.00 $0.00 $1,246.00 $774.00
<br />002 Set Beneficial Use Goals $1,150.00 $0.00 $0.00 $1,150.00
<br />003 Assess Goal Attainment $350.00 $0.00 $0.00 $350.00
<br />004 Estimate Lake Water & TP $16,860.00 $4,528.00 $12,299.17 $4,560.83
<br /> Budgets
<br />005 In-Lake Modeling Ex LU $18,11.0.00 $713.20 $7,118.42 $10,991.58
<br />006 " In-Lake. Modeling Future LU $3,050.00 $0.00 $0.00 $3,050.00
<br />007.. BMP Assessment ,,,, $5,040.00 $0.00 $0.00 $5,040.00
<br />008 "
<br />~ UAA Report " " $16,870.00 $0.00 $0.00 $16,870.00
<br />009 Project Management $5,160.00' $49.00 $5,997.02 -$837..02
<br />010 Lake Use Survey $9,520.00 $0.00 $13,001.38 -$3,481.38
<br /> TOTAL $78,130.00 $5,290.20 $39,661.99 $38,468.01
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