THP has designed underground storage tanks, utility vaults, and miles of walk-through tunnels. The construction of the tunnels has been completed by cut-and-cover and boring techniques. Many institutions have adopted our tunnel and waterproofing designs as standard practice.
Project Experience
Below-Grade Fuel Storage Tanks
Below-Grade Thermal Storage Tanks
Below-Grade Water Tanks
Pedestrian Tunnels
Utility Tunnels
Utility Vaults