Box Strucures

Two large rectangular underground storage tanks installed in a dug-out construction site, surrounded by dirt and rocks.

Ensure your construction projects have the robust infrastructural support they need with the efficiency and precision of trusted off-site manufacturing. Concrete box structures by CSI are expertly crafted in controlled environments, ensuring consistent quality and reliability for every unit produced. Designed to reinforce structural integrity, these versatile structures are ideal for a wide range of construction applications.

Large underground water tanks being installed in a construction site with workers and machinery visible in the background.

Drop Inlets

Specifications

  • Manufactured to meet 4,000 psi concrete

Storage & Holding Tanks

Specifications

  • 10’ x 8’ modular watertight tunnel tank system
  • Single offset joint using patented rubber gaskets
  • 12,000 gallons to 100,000 gallons

Fire Cisterns

Specifications

  • Designed to Municipal fire department specifications
  • 10,000 gallons to 30,000 gallons

Heavy Duty Tanks

Pump Stations

Specifications

  • Wet wells and valve vaults can be round or rectangular

Junction Boxes

Specifications

  • Accommodating pipe and box culvert transitions and tight turns
  • Customized to fit the project geometry  
  • Available in a variety of standard custom sizes and shapes including 5 sided boxes
  • Only limited by what can be legally transported on public roadways