Section J109 — DRAINAGE AND TERRACING
J109.5 Surface Drainage.
San Francisco Building Inspection Commission Codes · edición 2022 · actualizado 2026-07-08 · San Francisco
Esta sección aún no está traducida y se muestra en inglés.
J109.5 Surface Drainage. All areas which are surfaced with asphalt, concrete or other paving of similar imperviousness, and which exceed a total
area of 200 square feet (18.58 m [2] ), shall have storm- and casual water drained directly to a public sewer or storm drain.
Drainage shall not be directed to flow onto adjacent property or to drain onto public sidewalks. See Section 1502.1 for roof drainage.