Nfpa 502 Standard For Road Tunnels- Bridges- And Other Limited ....pdf !free!
Lists other codes you will need (e.g., NFPA 13 for sprinklers, NFPA 72 for fire alarms). The PDF links directly to these.
is a globally recognized safety standard published by the National Fire Protection Association (NFPA). It provides the criteria for the fire protection, life safety, and emergency response systems required for road tunnels, bridges, and other limited access highways. Lists other codes you will need (e
National Fire Protection Association (NFPA) NFPA 13 for sprinklers