Journal of Commerce by Elwood Brehmer.   Three of the state’s mega projects are back in business, at least temporarily, after Gov. Bill Walker’s administration partially lifted an administrative order halting spending on the development work. State officials overseeing the Knik Arm bridge, the Susitna-Watana dam and the Juneau access road all got the go-ahead to continue work with existing funding in memos sent out by Office of Management and Budget Director Pat Pitney July 6. Each of the memos notes that once authorized work is completed and immediate goals [...]