The provided text serves as a detailed reference, primarily based on various editions of NFPA standards (National Fire Protection Association), alongside the Minnesota State Fire Code and Statutes. It outlines specific requirements and guidelines for the installation, inspection, and maintenance of fire protection systems, including sprinkler systems, standpipe systems, fire pumps, and related components. Topics covered range from inspection frequencies and coverage areas for different sprinkler head types to regulations on pipe sizing, hanger spacing, and testing procedures. Additionally, the text addresses aspects like water supply duration, temperature ratings for sprinkler heads, and the use of fire department connections. Finally, it includes Minnesota-specific regulations regarding licensing and penalties for non-compliance, as well as requirements for fire hydrants and FDC placement.