Fire Protection Engineering Standards

Review Design Standards General Statements before utilizing this web page.

On this page:
Building Codes & Industry Standards
Denver Service Center (DSC) Requirements
Government Directives & Government Standards
National Park Service (NPS) Requirements

Building Codes & Industry Standards

  • IBC 2024, with Appendices (International Building Code)
  • IFC 2024, with Appendices (International Fire Code)
  • IEBC 2024, with Appendices (International Existing Building Code)

Denver Service Center (DSC) Requirements

Code Analysis

  • A Code Analysis is required and shall be based on I codes and applicable NFPA Standards (National Fire Protection Association). The Code Analysis shall include, but not be limited to, the following elements:
    • Project Description
    • Occupancy Classification
    • Decorative Structures
    • Design - Unique Aspects
    • Doors
    • Egress
    • Elevators
    • Finishes
      • Ceiling
      • Floor
      • Interior Wall
    • Fire Alarm
      • Communication System
      • Detection
    • Fire Department Access
    • Fire Resistive Separations
    • Power
      • Emergency
      • Standby
    • Smoke Management Description
    • Suppression Systems
    • Windows


  • Wet pipe sprinkler systems are preferred.
  • A double check backflow preventer is required on sprinkler systems.
  • Sprinkler control valves shall be electrically supervised.
  • Allowed sprinkler piping shall be Copper, Schedule 40 steel, or plastic.
  • Dry Pipe and PreAction Systems
    • Joints shall be threaded or cut groove (no roll groove).
    • All pendent heads shall be dry pendants.
    • All piping shall be sloped to drain to the main riser.
    • Low point drains shall be minimized and shall be configured as drum drips.


  • Code Equivalencies are encouraged. Prepared by the Architect-Engineer (AE) for approval by the Regional Fire Marshal (Authority Having Jurisdiction (AHJ)).
  • Fire modeling is encouraged to allow equivalent fire and life safety systems, especially in historical structures.
  • Systems should strive to minimize required inspection, testing, and maintenance.
  • Gravity water supply systems preferred. Or use combined fire and domestic systems with commercial pumps. Least preferred are dedicated fire pumps.

Government Directives & Government Standards

Department of the Interior (DOI) Policies

  • DOI will discontinue the purchase and use of products containing Per- and Polyfluoroalkyl Substances (PFAS) whenever feasible, paying particular attention to firefighting foam.

National Park Service (NPS) Requirements

NPS Management Policies 2006 - The Guide to Managing the National Park System

Director's Orders (DOs)

Handbooks, Reference Manuals (RMs), Strategies, Plans, & other Professional Materials



Last updated: January 3, 2024

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