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Remember when you were putting the Engineer's estimate together, and you were thinking, "How can this project ever cost so much??."

And when the bids come in, you were thinking, "How could I ever have estimated it so low??"


Generally, take your best estimate and double it!  And take your best construction schedule and triple it!  That'll get you in the ballpark.


From: Caldwell, Stan [mailto:scaldwell(--nospam--at)]
Sent: Thursday, June 08, 2006 12:51 PM
To: SEAINT Listserv
Subject: OOPS !!


Project Description:


Woodall Rodgers Freeway over Trinity River Floodplain

Cable-Stayed Signature Bridge in Dallas, Texas

Designed by Santiago Calatrava

6 lanes, 2100 ft. total bridge length, including 1200 ft. center span


Project Budget: 


Original Not-to-Exceed Budget:  $44.00M


Final Engineers Estimate:  $51.89M


Bids Opened 06/08/06 (Three Bidders):


$133.03M  Austin Bridge


$122.44M  Traylor Brothers


$113.27M  Williams Brothers





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