Heathrow Terminal 3 Service Subway – LTHW Pipework Upgrades
RK Air returned to the Terminal 3 Services Tunnels to complete upgrades to the LTHW pipework system. The purpose of this installation was to replace existing pipework that was identified as being in poor condition following NDT testing, with new 100mm,150mm, 200mm pipework complete with associated isolation, flushing, drain and venting valves and test [...]