CASE.3Installation of Railway Tunnel Scanner TM-270

Customer name : Washington Metropolitan Area Transit Authority (WMATA)

~Washington Metro Tunnel Inspection~

Product / Device nameRailway Tunnel Scanner TM-270Product Details
PurposeScan a variety of tunnel shapes including single track, multi track, horseshoe and circular tunnels.

Background

Our partner company, NEXCO-West USA, Inc undertook the inspection work. They inspected tunnel wall with using TM-270 under cooperation of Hozen Maintenance & Management Engineering Co.,Ltd.

Result

Combined with infrared camera and line sensor camera, they mainly detected water infiltration based on infrared and visual images. Compared to conventionl visual inspection on site, the work efficiency was improved by scanning the tunnel liners at 15 - 20 km/h.
The technology has been highly evaluated by the client.

Websites of our partners

NEXCO-West USA, Inc.
 Websites : https://www.w-nexco-usa.com/

Hozen Maintenance & Management Engineering Co.,Ltd.
  Websites : http://www.hozeneng.co.jp/English/index.html