Numbers and Titles



Includeslining of tunnel after tunnel excavation.
Alternate Terms/Abbreviationsshotcrete: gunite.
See03 30 00 for cast-in-place concrete. 03 40 00 for precast concrete. 31 72 00 for tunnel support systems. 31 77 00 for submersible tube tunnels.
31 74 13Cast-in-Place Concrete Tunnel Lining
31 74 16Precast Concrete Tunnel Lining
31 74 19Shotcrete Tunnel Lining