Floodproofing measures.
Metropolitan Code of Nashville and Davidson County § 15.64.200
in effect15.64.200 - Floodproofing measures.
Floodproofing measures such as the following shall be designed consistent with the flood protection elevation for the particular area, and flood velocities, forces and other factors associated with the flood protection elevation. The director of the department of water and sewerage services shall require that the applicant submit a plan or document certified by a registered professional engineer or architect that the floodproofing measures are consistent with the flood protection elevation for the particular area:
A. Anchorage to resist flotation and lateral movement;
B. Installation of watertight doors, bulkheads and shutters;
C. Reinforcement of walls to resist water pressures;
D. Use of paints, membranes or mortars to reduce seepage of water through walls;
E. Addition of mass or weight to structures to resist flotation;
F. Installation of pumps to lower water levels in structures;
G. Construction of water supply and waste treatment systems to prevent the entrance of floodwaters;
H. Pumping facilities for subsurface drainage systems for buildings to relieve external foundation wall and basement floor pressures;
I. Construction to resist rupture or collapse, caused by water pressure or flotation debris.
(Ord. BL2007-1440 § 12, 2007; prior code § 40-1-231(c))
Source: Metropolitan Government of Nashville and Davidson County, Metropolitan Code and Charter (Municode Library, library.municode.com)URL: https://library.municode.com/tn/metro_government_of_nashville_and_davidson_county/codes/code_of_ordinances?nodeId=CD_TIT15WASEOTPUSE_DIVIGERE_CH15.64STMA_15.64.200FLMEFetched: 10/28/2026