Revised DSA IR N 4 Modular Battery Energy Storage Systems 2022 CBC and CFC

IR N-4 has been revised.
Published on August 22, 2023
in Building code , Building , Compliance

The Division of the State Architect (DSA) has revised Interpretation of Regulations (IR) N-4: Modular Battery Energy Storage Systems: 2022 CBC and CFC. This IR clarifies structural and fire and life safety (FLS) design requirements as well as identifying what shall be included in the construction documents. This includes the requirements for flood design, tests, and special inspections, FLS compliance, as well as exceptions that may be used for battery energy storage systems.

This IR also clarifies the seismic design or alternative shake table testing requirements of premanufactured modules and the internal components for seismic loading.

Please direct any questions to DSA Codes and Standards Unit at (916) 445-8100.