I will be out of the office starting 03/28/2011 and will not return until 04/04/2011. Hi All, I will be out of the office on business from Mar 28 through Apr 1,returning to the office Apri 4. Please, if you have an immediate concern regarding Cost Model or Construction Economics, please email or contact Bradley A Njus, 510 625 4595, or email me and/or call me at 51o 421 3863 with your questions. Best Regards, Ralph