§ 3-8. Design, anchoring, and materials.

(a) In general.

All construction and improvements must be:

(1) designed, constructed, connected, and anchored to prevent flotation, collapse, or lateral movement of the structure, in accordance with the standards for new construction and substantial improvements specified in ASCE 24, § 1.5.1 {"General"};

(2) constructed and placed on the lot so as to offer the minimum obstruction to the flow and height of floodwaters;

(3) constructed with material and utility equipment resistant to flood damage; and

(4) constructed by methods and practices that minimize flood damage.

(b) Materials below the flood-protection elevation.

Unless the structure is dry floodproofed to the flood-protection elevation, materials used below that elevation must be resistant to floodwater damage, as specified in:

(1) FEMA Technical Bulletin 2, "Flood Damage-Resistant Materials Requirements for Buildings Located in Special Flood Hazard Areas in accordance with the National Flood Insurance Program"; and

(2) ASCE 24, § 5.0 {"Materials"}.

(c) Tanks.

Tanks must be designed and installed as specified in ASCE 24, § 7.4.1 {"Tanks"}.

(d) Elevators.

For installation in any structure located in any floodplain subdistrict, elevators must be designed and installed:

(1) as specified in ASCE 24, § 7.5 {"Elevators"}; and

(2) as specified in FEMA Technical Bulletin 4: Technical Bulletin 4, Elevators in Buildings Located in Special Flood Hazard Areas.