Construction Cost Estimating

WWTP Location

Bid Amount

Change Orders

Final Contract Amount

Change Order Rate (% of Bid Amount)

Appleton, Wisconsin

$1,605,000

($150,000)

$1,455,000

-9.35%

Beloit, Wisconsin

$2,578,000

($47,859)

$2,530,141

-1.86%

Boscobel, Wisconsin

$613,000

($77,409)

$535,591

-12.63%

Burlington, Wisconsin

$15,499,881

$282,579

$15,782,460

1.82%

Eagle Lake, Wisconsin

$1,165,000

($3,000)

$1,162,000

-0.26%

Kiel, Wisconsin

$2,498,300

$23,795

$2,522,095

0.95%

Madison Metropolitan Sewerage District, Wisconsin - 8th Addition

$17,269,000

$112,308

$17,381,308

0.65%

Madison Metropolitan Sewerage District, Wisconsin - 9th Addition

$10,372,000

($312,857)

$10,059,143

-3.02%

Mokena, Illinois

$2,627,500

$22,472

$2,649,972

0.86%

Richland Center, Wisconsin – Phase 1

$1,319,000

($65,571)

$1,253,429

-4.97%

Richland Center, Wisconsin – Phase 2

$2,229,500

($21,016)

$2,208,484

-0.94%

Silver Lake, Wisconsin

$1,813,000

$22,151

$1,835,151

1.22%

Watertown, Wisconsin

$23,632,000

($110,848)

$23,521,152

-0.47%

Wheaton Sanitary District, Illinois

$2,391,000

($15,787)

$2,375,213

-0.66%

Wrightstown, Wisconsin

$4,657,000

($16,901)

$4,640,099

-0.36%

Total

$90,269,181

($357,943)

$89,911,238

Avg. -1.93%