An approved water supply capable of supplying the required fire flow for fire protection shall be provided to premises on which facilities, buildings, or portions of buildings are hereafter constructed or moved into or within the jurisdiction to meet the necessary fire flow as determined by the fire code official. Where public water supply is inadequate or not available, an approved alternate water source meeting the fire flow requirements shall be provided. Fire flow performance tests shall be witnessed by the fire code official or representative prior to final approval. Exception. One and two family dwellings, including attached or detached accessory structures.
S.C. Code Regs. § 8-909