City of Baltimore
Baltimore City Code

Section 3301. General

3301.1 to 3301.2 {As in IBC}

3301.3 Prohibited hours.

No site work, demolition work, pile driving work, or construction work is permitted between 7:00 p.m. and 7:00 a.m., if that work or any part of a premises in or on which the work is to be done is within 300 feet (91.44 m) of any dwelling.

3301.3.1 Exception.

This § 3301.3 does not apply to an emergency operation that has been specifically approved by the Building Official.