Tunnels

 

Drill & Blast

H3 Exploratory Tunnel

Honolulu, HI

Hand Tunneling

Justice Center Pedestrian Tunnel

Seattle, WA

Jack & Bore Tunneling

Swamp Creek Interceptor

Kenmore, WA

Micro Tunneling

Eastside Interceptor

Renton, WA

Pilot Tube

Hamakua Sewers

Honolulu, HI

Ramming

SR 305 Crossings

Poulsbo, WA

Road Header

H3 Tunnels

Honolulu, HI

Tunnel Boring

Beachwalk

Honolulu, HI

 

Concrete Segments

Mercer St. Tunnel

Seattle, WA

16' Tunnel

Mercer St. Tunnel

Seattle, WA