Number indicating importance

EXI02 is the priority level of the excavation according to the state's notification requirements.

Code indicating the date format, time format, or date and time format

EXI03 describes the format of the date given in EXI04.

Expression of a date, a time, or range of dates, times or dates and times

EXI04 is the date and time the excavation is scheduled to begin.

Code identifying the type of time period

EXI05 describes the time units for the duration of work.

Numeric value of quantity

EXI06 is the number of time units.

A free-form description to clarify the related data elements and their content

EXI07 describes non-specific time units for the duration of work.

Code indicating type of action

EXI08 describes the method of positive response used by the sender or the positive response action specified by the responder.