NAWA specializes in the engineering and installation of tank foundations and secondary containment solutions. Our experienced teams have performed concrete foundation and containment work at a variety of industrial sites, including refineries and chemical plants. Our ability to self-perform most civil work on tank construction projects can reduce the need for multiple contractor management. NAWA Provide the following Services:

Ring Walls
Ring Wall Foundations Under Existing Tanks
Slab Foundations on Grade
Generation Pads
Retaining Walls
Containment Walls
Foundation Repairs
Excavation and Backfill Work
Site Work

Subcontracted Work

• Cathodic Protection Systems
• Drilled Piers
• Auger Cast Piles and Driven Piles
• Caissons

Secondary Containment

HDPE Liner Installation
Flexible Membrane Liner Installation
Clay Liner Installation
Leak Detection Ports