All development, including man-made changes to improved or unimproved
real estate for which specific provisions are not specified in these
regulations or the building code, shall:
A.
Be
located and constructed to minimize flood damage.
B.
Meet the limitations of Section 16.50.924 of these regulations when located in a regulated floodway.
C.
Be
anchored to prevent flotation, collapse or lateral movement resulting
from hydrostatic loads, including the effects of buoyancy, during
conditions of the design flood.
D.
Be
constructed of flood damage-resistant materials.
E.
Have
mechanical, plumbing, and electrical systems above the design flood
elevation or meet the requirements of ASCE 24, except that minimum
electric service required to address life safety and electric code
requirements is permitted below the design flood elevation provided
it conforms to the provisions of the electrical part of the building
code for wet locations.
(Ord. CS 1301 §2, 2021)
Tanks that serve buildings shall comply with the requirements
of the building code. Underground and above-ground tanks that serve
other purposes shall be designed, constructed, installed and anchored
in accordance with ASCE 24.
(Ord. CS 1301 §2, 2021)
Temporary structures shall be erected for a period of less than one hundred eighty days and temporary storage of goods and materials shall be permitted for a period of less than one hundred eighty days. Extensions may be granted in accordance with Section 16.50.350 of these regulations. In addition, the following apply:
A.
Temporary
structures shall be anchored to prevent flotation, collapse or lateral
movement resulting from hydrostatic loads, including the effects of
buoyancy, during conditions of the design flood. Fully enclosed temporary
structures shall have flood openings that are in accordance with ASCE
24 to allow for the automatic entry and exit of flood waters.
B.
Temporary
stored materials shall not include hazardous materials.
(Ord. CS 1301 §2, 2021)
Fences in floodways that have the potential to block the passage of floodwaters, such as stockade fences and wire mesh fences, shall meet the limitations of Section 16.50.924 of these regulations.
(Ord. CS 1301 §2, 2021)
Oil derricks located in flood hazard areas shall be designed
in conformance with flood loads required by the building code.
(Ord. CS 1301 §2, 2021)
Retaining walls and sidewalks and driveways that involve placement of fill in floodways shall meet the limitations of Section 16.50.924 of these regulations and the requirements for site grading in Chapter 18 of the building code.
(Ord. CS 1301 §2, 2021)
Roads and watercourse crossings that encroach into floodways or riverine waterways with base flood elevations where floodways have not been designated, 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 side shall meet the limitations of Section 16.50.924 of these regulations. Alteration of a watercourse that is part of work proposed for a road or watercourse crossing shall meet the requirements of Section 16.50.430 of these regulations.
(Ord. CS 1301 §2, 2021)
Above-ground swimming pools, on-ground swimming pools, and in-ground swimming pools that involve placement of fill in floodways shall meet the requirement of Section 16.50.924 of these regulations.
(Ord. CS 1301 §2, 2021)
