D.C. Mun. Regs. tit. 12, r. 12-J1102

Current through Register Vol. 71, No. 52, December 27, 2024

Rule 12-J1102 - HEIGHTS AND AREAS

Strike Section 1102.3 of the International Existing Building Code in its entirety and insert new Section 1102.3 in the Existing Building Code to read as follows:

1102.3

Fire protection systems. Existing fire areas increased by the addition shall comply with Chapter 9 of the Building Code for buildings that are under the jurisdiction of the Building Code . Existing fire areas increased by the addition shall comply with Section 313 of the Residential Code for buildings under the jurisdiction of the Residential CodeExceptions:

1. An automatic sprinkler system shall not be required in Group R- 3 occupancies under the jurisdiction of the Building Code where the addition is less than 50 percent of the building area of the existing building and the water service is not being replaced.

2. An automatic sprinkler system shall not be required for buildings under the jurisdiction of the Residential Code where the addition is less than 50 percent of the building area of the existing building and the water service is not being replaced.

3. An automatic sprinkler system shall not be required in Group R- 3 occupancies under the jurisdiction of the Building Code where the existing water service cannot provide adequate flow and pressure without the installation of a tank or pump, unless the water service is otherwise being replaced.

4. An automatic sprinkler system shall not be required for buildings under the jurisdiction of the Residential Code where the existing water service cannot provide adequate flow and pressure without the installation of a tank or pump, unless the water service is otherwise being replaced.

D.C. Mun. Regs. tit. 12, r. 12-J1102

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