Garages and
accessory structures shall be designed and constructed in
accordance with ASCE 24.
Fences in floodways that may block the passage
of floodwaters, such as stockade fences and wire mesh
fences, shall meet the requirement of Section G103.5.
Retaining
walls, sidewalks and driveways shall meet the requirements
of Section 1804.5.
Swimming pools shall be designed
and constructed in accordance with ASCE 24. Above-ground
swimming pools, on-ground swimming pools and in-ground
swimming pools that involve placement of fill in floodways
shall also meet the requirements of Section G103.5.
Decks, porches and
patios shall be designed and constructed in accordance with
ASCE 24.
In coastal high-hazard
areas and coastal A zones, nonstructural concrete slabs used
as parking pads, enclosure floors, landings, decks, walkways,
patios and similar nonstructural uses are permitted
beneath or adjacent to buildings and structures provided that
the concrete slabs shall be constructed in accordance with
ASCE 24.
Roads and watercourse crossings that encroach
into regulated floodways, including roads, bridges, culverts,
low-water crossings and similar means for vehicles or pedestrians
to travel from one side of a watercourse to the other,
shall meet the requirement of Section G103.5.