[Zoning Order §8.030, 4-2-2008]
A construction trailer may be used as a temporary construction/sales office on the site of a construction project, provided the trailer is removed upon completion of the project. In residential districts, the construction trailer shall be moved from those portions of the project that have been completed and occupied. In the case of a subdivision or project for which approval has been given for phased development, the trailer shall be moved to the subsequent phase of the development.
[Zoning Order §8.031, 4-2-2008]
A. 
A mobile home or recreational vehicle may be used as a temporary dwelling unit during construction of the principal dwelling unit in the residential zoning districts, provided that the mobile home is removed or recreational vehicle is vacated upon issuance of an occupancy permit for the principal dwelling unit. In non-planned residential districts, the accessory dwelling unit shall be required to:
1. 
Meet all building setbacks of the zoning district;
2. 
Provide sanitary sewer and water services approved by applicable State and local authorities;
3. 
Provide for electrical service approved by local and County authorities; and
4. 
Receive all other required local and County permits for the duration of the habitation of the accessory dwelling unit.
[Zoning Order §8.032, 4-2-2008]
Temporary relocatable classrooms are a permitted accessory use to schools and churches in any zoning district.