In the event that sidewalks or other areas involved in the Streetscape Area must be removed because of a clear and present emergency, authority to proceed may be granted upon oral or written request by the City Administrator. Such permission shall include a firm commitment that all repair and replacement shall be in strict accordance with the plans and specifications, unless a variance eventually is requested through the procedures outlined in Section 1189.05 above. In this case, approved temporary replacement of sidewalks or other structures may be made in a manner approved by the City Engineer following which, such variances approved or denied by the Planning Commission, shall govern the final work.