I will be out of the office starting 10/21/2008 and will not return until 10/27/2008. I will be out of the office on business from October 21 to October 24 returning to work on October 27, 2008. I will be checking emails while away from the office. If you have any questions regarding Construction Economics and/or Cost Model, please eamail me and/or contact Bradley A Njus at 510 625 4595. Thanks. Ralph