With the approval of the mayor, the chief procurement officer and the city engineer, in their respective areas of authority, may each delegate in writing any authority granted under this chapter to designees, or to any department or division, as each shall deem prudent and appropriate. They may also make delegations of authority in case of emergency, absence or incapacity as each shall deem prudent and appropriate. (Ord. 64-97 § 2, 1997)