Dams, levees, detention ponds, flood walls, and drainage systems serve an important role protecting communities for normal and extreme climatic events. Our flood mitigation expertise includes riprap placement, concrete structures, weirs, large multi-plate pipes, box culverts, embankments and gates.
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Ahtna truly exemplifies how an outstanding contractor should perform. From the very beginning, they exhibited a professional work ethic and attitude. Every aspect of the project was managed based on what was in the best interest of the government and the taxpayer.
Lori Gardner ~ Resident Engineer USACE
Ahtna’s desire to hire dedicated and competent subcontractors, along with their ability to relocate qualified staff, confirmed their commitment to the project.
Laura Reed ~ USACE
The contractor’s management team was continuously praised by the customer and user throughout the life of the project due to the ease in which the management team carried out the construction while meeting the requirements of the operational airfields and other non-governmental organizations.
David Vidales ~ CPT,EN USACE
Contractor was highly effective at managing issues and discrepancies found in the contract specifications and drawings.
Chris Krause ~ USACE
I’ve been working airfield construction for about 20 years. AAA Valley Gravel rates in the top 3 I’ve worked with and would love to have them contracted for work on my airfields.