I will be out of the office starting 05/16/2011 and will not return until 05/24/2011. Hi All, I will be out of the office on business from May 16 until May 23,returning to the office May 24. I will be checking emails remotely. 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 with your questions. My work cell phone is 510 435 6528. Best Regards, Ralph