rmits may be waived by the Department for excavations under buildings or structures in hillside areas, if the applicant can demonstrate that the site is relatively level, or the excavation is entirely for footings and/or grade beams not exceeding 5 feet (1524 mm) deep. 91.106.1.3. Temporary Permits. (Amended by Ord. No. 186,488, Eff. 12/27/19.) Before commencing the construction of any work for temporary use, a building permit authorizing such work shall be obtained from the Department. Such construction shall be occupied or used only for the period set forth on the permit application, but shall not exceed 180 days. Except for tents and bleachers, application for permit shall be filed at least seven days prior to the construction, erection or operation of any device, structure, or any work regulated by this article for temporary use. All temporary construction or installations shall be demolished or removed within five days after the expiration of the Certificate of Occupancy. Requests for inspection must be received by the department at least two days prior to public use or occupancy. 91.106.1.3.1. Temporary Special Event Permits. (Added by Ord. No. 187,056, Eff. 7/4/21.) 91.106.1.3.1.1. Definitions. 1. Temporary Special Event Permit. A permit for a Temporary Installation or Temporary Outdoor Use. 2. Temporary Installation. The following installations that are temporary in nature and comply with the requirements specified in LAMC Subsection 91.106.1.3.1. A. Tents and canopies, larger than 450 square feet, on a residential property. B. Tents or canopies, larger than 12 feet in length or width, on a commercial property. C. Stages or platforms more than 30 inches above grade. D. Grandstands or bleachers. E. Temporary structures higher than 12 feet. 3. Temporary Outdoor Use (TOU). A temporary change in use of an unenclosed ground level outdoor space, such as a surface parking lot, provided the use is temporary in nature and complies with the requirements specified in LAMC Subsection 91.106.1.3.1. A TOU is exempt from the requirement of an existing main structure. 91.106.1.3.1.2. Procedures. 91.106.1.3.1.2.1. Required Permit. 1. Before commencing a Temporary Installation or Temporary Outdoor Use, a permit authorizing such work or use shall be obtained from the Department. 2.