4.U 18-1211 Action on an Amendment No. 5 to Contract 89-SAO-50003 with Western Area Power Administration (WAPA, a non-profit agency of the United States Department of Energy) to Extend the Term of the Contract until December 31, 2023 for Emergency Aid and Optional Permanent Repair Services of 60-kV Transmission Line at Stony Gorge and Black Butte Hydroelectric Projects