Public Transport Authority
Provision of Rail Grinding for the Urban Network - - Background The Network and Infrastructure ( N& I) Division of the Public Transport Authority ( PTA) is responsible for maintaining the safety and serviceability of track infrastructure within the Urban Rail Network. As part of this responsibility, rail grinding is required to maintain rail head profiles within specified tolerances, limit rolling contact fatigue damage, prevent rail corrugation, and prolong asset life across the rail network. Network Overv
provision of rail grinding for the urban network
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