A Case Study on M & E Design for Double-Deck Tunnel in Urban Area
Sang-Hun Byun, Jae-Ho Jeong, Duk-Chan Jun, Il-Jae Shin, Dong-Hyun Sim · Tunnel and Underground Space · 2011
The west underground express way is a recent initiated BTO (Build-Transfer-Operate) project for releasing heavy traffic of the existing west express way which is notorious on-ground road for extremely traffic stuck area in the west of Seoul, South Korea. The new express way for light vehicles is the first double-deck tunnel ever designed in South Korea and 10.91 km long including both open cut structures and concrete lining with middle-deck in bored tunnel. Because the new express way is going through underground of heavily populated area, mechanical & electrical design for the safety of drivers in tunnel is one of the most important parts among many design issues. This paper discusses M & E design focuses including ventilation-evacuation plan and various safety facilities.