As a Tunnel Engineer I was involved in excavation, construction and waterproofing of the Tehran subway tunnels and stations. My responsibilities included:
Overseeing execution of temporary support after each partial excavation, using steel mesh erection and shotcrete technique; Being involved in waterproofing of the tunnels using PVC membrane & concrete grouting methods. Monitoring of tunnel final lining process and precast concrete segment installation; Co-managing construction team in construction of subway station, formwork installation, reinforcement, concreting & concrete curing, and interior masonry and finishing works.