Detached ADU — 9526 Babauta Rd, San Diego CA 92129

Permits & approvals required

No permit unique to this section — covered by the project's building permit (see Permits → Permit Requirements).

Review disciplines

• Fire reviewRequired
  Fire & life-safety review; escalates with access, size, and wildland-urban-interface location.
  SD Fire-Rescue — Defensible Space
  From the code

  • homeowners to use materials or construction methods that are not specifically listed in the code if they provide the same level of fire resistance. If a product or design can be shown—through testing or reliable documentation—to resist embers, heat, and flames as well ... approved method, it may be accepted by the Fire Code Official. Defensible Space. The buffer that a responsible person is required to create or maintain on a property between a structure that could ignite in the event of a fire. Drip Line. The line — SD Fire Defensible Space Guidelines, p. 12
  • vegetation, and low sap or resin content, that make them less likely to ignite or contribute heat or spread flame in a fire. Fire-Smart vegetation may include both native and ornamental species when their growth characteristics and maintenance reduce ignition potential. Fuel Modification Zone ... strip of land where combustible vegetation has been thinned or modified, or both, and may be partially or totally replaced with approved Fire-Smart or irrigated plants or both, to provide an acceptable level of risk from vegetation fires. Fuel modification reduces the radiant — SD Fire Defensible Space Guidelines, p. 12

Submittal requirements

No submittal specific to this section for this project.

Process & sequencing

• Fire sprinklers / fire-flowVerify
  An ADU is not required to have sprinklers if the primary dwelling lacks them, but a new detached ADU may still trigger a fire-flow/access analysis (NFPA 13D) by size/access — verify.
  Cal. Gov. Code §66314 (ADU standards)SD Fire-Rescue — Defensible Space
  From the code

  • homeowners to use materials or construction methods that are not specifically listed in the code if they provide the same level of fire resistance. If a product or design can be shown—through testing or reliable documentation—to resist embers, heat, and flames as well ... approved method, it may be accepted by the Fire Code Official. Defensible Space. The buffer that a responsible person is required to create or maintain on a property between a structure that could ignite in the event of a fire. Drip Line. The line — SD Fire Defensible Space Guidelines, p. 12
  • vegetation, and low sap or resin content, that make them less likely to ignite or contribute heat or spread flame in a fire. Fire-Smart vegetation may include both native and ornamental species when their growth characteristics and maintenance reduce ignition potential. Fuel Modification Zone ... strip of land where combustible vegetation has been thinned or modified, or both, and may be partially or totally replaced with approved Fire-Smart or irrigated plants or both, to provide an acceptable level of risk from vegetation fires. Fuel modification reduces the radiant — SD Fire Defensible Space Guidelines, p. 12