Section 17.6 OFFICERS AND EMPLOYEES.
   (a)   Nothing in this Charter except as otherwise specifically provided shall affect or impair the rights or privileges of persons who are City officers or employees at the time of its adoption.
   (b)   Except as specifically provided by this Charter, if at the time this Charter takes full effect any City administrative officer or employee holds any office or position which is or can be abolished by or under this Charter, he/she shall continue in such office or position until the taking effect of some specific provision under this Charter directing that he/she vacate the office or employment.