Any port district created by consolidation prior to June 10, 1965, or formed hereafter under chapter 102, Laws of 1965, shall have all the powers of a newly formed port district, without any other restriction except the requirements of RCW 53.46.040: PROVIDED, That general obligation indebtedness outstanding for all port purposes within the area of the consolidated port shall not exceed the limits of RCW 53.36.030, and for purpose of computing such bonded debt, the bonds outstanding of all port agencies shall be considered.