D.C. Mun. Regs. tit. 12, r. 12-A1510

Current through Register Vol. 71, No. 49, December 6, 2024

Rule 12-A1510 - ROOFTOP STRUCTURES

Strike Section 1510.2.1 in the International Building Code in its entirety and insert new Section 1510.2.1 in the Building Code in its place to read as follows:

1510.2.1

Height above roof deck. Penthouses constructed on buildings of other than Type I construction shall not exceed 20 feet (6096 mm) in height above the roof deck as measured to the highest point of the roof of the penthouse.

Exceptions:

1. Where used to enclose tanks or elevators that travel to the roof level, penthouses shall be permitted to have a maximum height of 28 feet (8534 mm) above the roof deck.

2. Penthouses located on the roof of buildings of Type I construction shall not be limited in height.

1510.6

Mechanical equipment screens.

Strike Section 1510.6.1 of the International Building Code in its entirety and insert new Section 1510.6.1 in the Building Code in its place to read as follows:

1510.6.1

Height limitations. Mechanical equipment screens shall not exceed 18 feet 6 inches (5638 mm) in height above the roof deck, as measured to the highest point on the mechanical equipment screen.

Exceptions:

1. Where located on buildings of Type IA construction, the height of mechanical equipment screens shall not be limited.

2. Where used to screen elevators that travel to the roof level, mechanical equipment screens shall not exceed 20 feet (6096 mm) in height above the roof deck as measured to the highest point on the mechanical equipment screen.

D.C. Mun. Regs. tit. 12, r. 12-A1510

Final Rulemaking published at 67 DCR 5679 (5/29/2020)