I will be out of the office starting 01/24/2011 and will not return until 01/27/2011. Hi All, I will be out of the office on business from Jan 24 through Jan 26, returning to the office Jan 27. Please, if you have an immediate concern regarding Cost Model or Construction Economics, please email or contact Bradley A Njus, 510 625 4595, with your questions. Best Regards, and have a prosperous 2011, Ralph