I will be out of the office starting 10/16/2010 and will not return until 10/22/2010. Hi All, I will be out of the office from Oct 18 through Oct 21, returning Oct 22. I will be checking mail in the evenings daily. Please, if you have an immediate concern regarding Cost Model or Construction Economics, please email us or contact Brad A Njus, 510 625 4595, with your questions. Regards Ralph