Authorizing the City manager or His Designee to Reject the Original bid Received from Powell and Sons Construction on July 12, 2006, Accept SGC Construction, as the Low, Responsible Bidder for the "L" Street Barge Replacement - Delivery, Installation and Disposal (KE21), Transfer $150,000 from the City Facility Deferred Maintenance Project (CE21) to the "L" Street Barge Replacement Project (KE21)