§9-1301 GENERAL DIMENSION & MEASUREMENT STANDARDS
a. Density
Density shall be determined by taking the quotient of the total number of dwelling units on a site proposed for development divided by the gross acres of the site.
b. Building Height Exception
A single-family residential dwelling may be permitted to have a building height greater than 40 feet where the dwelling is setback a minimum of 50 feet from the nearest public right-of-way, provided that one (1) of the following two (2) options are met: (1) Option One (1) . A building of over 40 feet in height shall be required to have a minimum of two (2) exits from the uppermost finished floor or unfinished area with a roof pitch greater than 6 to 12, in addition to the following standards: A. Exit Compliance . The two (2) exits shall meet the requirements of the North Carolina Residential Building Code for one and two-family dwellings for exit stairs and shall be as remote as practical from each other. B. Window Requirements & Compliance . The uppermost floor levels, either finished floor or unfinished area, shall have a minimum of two (2) exit windows meeting the requirements for an exit window, as specified in the North Carolina Residential Building Code for one and two-family dwellings. C. Window Locations . The windows shall be located remote from each other and shall be a minimum of one-half (1/2) the diagonal distance of the floor area of the upper story. In addition, the windows shall be fully accessible by the Fire Department’s ground ladders.
D. Fire Marshall Approval . Building plans that include a greater building height shall include stairs and window locations as herein described and shall be reviewed and approved by the Fire Marshal.
(2) Option Two (2) . As an alternate to Option 1, above, the residential structure may be designed with the installation of an approved automatic sprinkler system according to the National Fire Protection Association Standards (NFPA) that completely protects all combustible construction. In addition, the complete sprinkler system shall be maintained as described and reference to the NFPA standards.
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