E508        *Structures must be safe. Teams may not build any structure that supports the weight of people or stores items overhead. Structures may not block or inhibit fire sprinkler systems or otherwise be unsafe. 

E501        *Pits are unavailable if closed. Teams may not access their pit area outside the designated hours.

E502        *Stay in your pit. Teams should set up their allowed equipment fully within their assigned pit space. Teams may not:

E506        *No brazing or welding. Brazing/welding is prohibited.