Allen & Graham, Inc. partnered with Garney Construction to help build our client's (JEA) first new water-reclamation facility in Duval County in over 45 years. A&G installed over 9,500 CY of cast in place concrete for two new clarifier tanks, a biological nutrient removal (BNR) process tank, as well as a splitter box and other miscellaneous foundations/slabs to support the new water-reclamation facility. This Greenland Water Reclamation Facility will serve the rapidly expanding suburbs of southwest Duval County and will treat an average of 4 million gallons of wastewater daily. The $150M total investment for JEA will result in a state-of-the-art, environmentally friendly facility with zero effluent (wastewater) discharge. This means all wastewater will be disinfected and distributed right back into the reuse system, as opposed to being discharged into natural wetlands or into the St. Johns River.

Allen & Graham constructed the water intake structure on the Savannah River for Plat Vogtle Nuclear Power Facility Units 3&4. These are the first nuclear reactors constructed in US in over 30 years.

The intake structure consists of approximately 10,000 CY of concrete and is divided into 9 bays with 3' thick walls extending 40' high. The top of the structure is a 3' thick elevated slab with complex block-outs and embeds for drainage and equipment. Many of the pours were made using a self-consolidated concrete due to the size and intricacy of the reinforcing steel.

Working in a nuclear environment, there were very stringent quality control and safety requirements. A&G's 115,000 manhours resulted in zero OSHA recordable incidents.

Allen & Graham, Inc. partnered with Ragnar Benson Construction to help expand our client’s (GPA) container storage and transloading facilities. The Garden City Terminal West expansion includes roughly 100 acres of new civil grading, drainage, paving and roadway systems, buildings, gates, and electrical distribution to serve their high performance rubber tired gantry (RTG) cranes. A&G installed over 20,000 CY of cast in place concrete, including 30,000 LF of runway beams for the RTG cranes, over 9,000 LF of trench drainage systems, over 1,200 LF of 10’ x 7’ box culverts, paving for the entry/exit automated gate systems, and other miscellaneous foundation/slab work throughout the project. Allen & Graham was also responsible for the design and construction of three buildings (GPA, CBP, and MSA) totaling to roughly 13,500 SF of useable space. This state-of-the-art storage facility will add an additional 1 million TEUs of annual container capacity to the continuously growing GPA facilities.

In partnering with Giant Cement, Colonial Terminals, Inc. secured approval to expand their dry bulk cement storage facility with the construction of a 60,000 MT cement storage dome, two 1,350 MT rail/truck loading storage silos and associated conveyance systems. Allen & Graham performed the structural foundations scope for this project, including but not limited to over 1,000 precast concrete and steel pilings, cast in place concrete tunnel within the center of the storage dome foundation, and other miscellaneous foundation and slab work associated with the storage dome and conveyance systems. We utilized structural sheet pilings and dewatering systems for the 15' below grade dome tunnel and 33' below grade bucket elevator pit. This bucket elevator pit proved to be extremely challenging due to the depth and very tight tolerances around existing structures and equipment. Roughly 3,500 CY of concrete were poured for this new state of the art dry bulk cement storage terminal. A&G also constructed three electrical buildings to support the new facility systems. This project is a major investment for our client and will significantly increase the cement supply and distribution to serve ongoing residential and commercial projects throughout the Southeast United States.