This tender invites bids for immediate track safety works on the Rohri-Khanpur section of Pakistan Railways. The scope includes supply, stacking, and loading of mechanically crushed stone ballast at Paddidan Station, recoupment of short embankments on the up and down tracks, and construction of RCC box culverts including bridge girder conversion. The works are to be completed within a 4-month period. Bidders must be registered with PEC in relevant categories and submit bids through the EPADS system. Financial and technical proposals must be submitted in separate envelopes with bid security as specified.