If the Board or Hearing Examiner fails to issue and serve a written decision upon
the Director of the Seattle Department of Construction and Inspections, the owner,
and the applicant within the times specified in this Chapter 25.12 or, if the deadlines have been extended by agreement, by the extended deadlines,
then an unconditional certificate of approval shall be deemed to have been granted
and the Director of the Seattle Department of Construction and Inspections shall issue
all necessary permits for the proposed alteration when all other requirements for
issuance have been satisfied.