I will be out of the office starting 05/31/2011 and will not return until 06/02/2011. Hi All, I will be out of the office on PTO from May 31until Jun 1,returning to the office June 2. I will be on PTO away from Oakland, CA. Please, if you have an immediate concern regarding Cost Model or Construction Economics, please email or contact Bradley A Njus, 510 625 4595. I will return a response as soon as possible. My work cell phone is 510 435 6528. Best Regards, Ralph