Lightweight Cellular Concrete

Louis Armstrong International Airport

The $826 million project would add thirty arrival and departure gates, 2,200 parking spots and multiple shops.

SR 50 Lane Expansion

When the FDOT decided to widen portions of SR 50, they knew the project would be unique and require creative engineering.

Void Fill Under Bridge Approach

When hurricane flood waters washed out a NC-72 bridge, NCDOT needed a quick solution that would ensure long-term stability in extreme weather.

VA Hospital – Parking Deck Garage

In 2013, the Veterans Administration (VA) began building a new hospital in Denver, Colorado.

Gold King Mine

The remediation of this Superfund site involved annular filling of portions of the mine for future operations.
Crews doing Culvert Rehab

Frost Gully Culvert Rehabilitation

In 2016, the Frost Gully Crossing on U.S. Route 1 about a mile north of Freeport began to degrade.


In 2015, the town of Southbury, CT needed repair services for four culverts ranging in size and shape.
DL VEWS sliplining at a job site

Pond Brook Outfall

DPW Superintendent Doug Roberts worked in conjunction with engineers from Tighe & Bond on the rehabilitation of a stone box culvert.


This project required approximately 242 linear feet in total of culvert lining. The liner is called Aquatic life Passage (or ALP) pipe, with baffles installed.


This project in Ithaca, NY involved an 84″ boiler plate with a box culvert combination.