Tunnels and Underground Structures Standards Amendment Record

Date

Subject

Description/Dwg Ref.
November 25, 2022 Tunnels and Underground Structures Interim Standard (MX-TUS-STD-001) Launched: Tunnels and Underground Structures Interim Standard (MX-TUS-STD-001).
November 25, 2022 Tunnels and Underground Structures Launched: Tunnels and Underground Structures webpage.