Rancho Cordova Municipal Code Art. VI Other Development

All development, including manmade 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 RCMC § 16.96.1140 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 electrical 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. 11-2023 § 3 (Exh. B))

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. Tank inlets, fill openings, outlets, and vents shall be installed one foot above the base flood elevation or fitted with covers designed to prevent the inflow of floodwater and outflow of the contents of the tank during the base flood. Water tanks for agricultural operations may be exempted from this elevated venting requirement per the floodplain administrator.

(Ord. 11-2023 § 3 (Exh. B))

Temporary structures shall be erected for a period of less than 180 days and temporary storage of goods and materials shall be permitted for a period of less than 180 days. Extensions may be granted in accordance with RCMC § 16.96.350. 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 floodwaters.

B. Temporary stored materials shall not include hazardous materials.

C. The requirements of RCMC § 16.96.1140, when located in floodways.

(Ord. 11-2023 § 3 (Exh. B))

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 RCMC § 16.96.1140.

(Ord. 11-2023 § 3 (Exh. B))

Oil derricks located in flood hazard areas shall be designed in conformance with flood loads required by the building code.

(Ord. 11-2023 § 3 (Exh. B))

Retaining walls and sidewalks and driveways that involve placement of fill in floodways shall meet the limitations of RCMC § 16.96.1140 and the requirements for site grading in Chapter 18 of the building code.

(Ord. 11-2023 § 3 (Exh. B))

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 RCMC § 16.96.1140. Alteration of a watercourse that is part of work proposed for a road or watercourse crossing shall meet the requirements of RCMC § 16.96.430(C).

(Ord. 11-2023 § 3 (Exh. B))

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 RCMC § 16.96.1140.

(Ord. 11-2023 § 3 (Exh. B))