Ivan Rubanov/iStockphoto/Thinkstock

LSB Industries' Chemical Business has announced plans to construct a 375,000 ton per year ammonia plant at the El Dorado Chemical Co. (EDC) site in El Dorado, Ark.

LSB has signed a contract with SAIC Constructors to provide certain engineering services and to manage the construction of the ammonia plant and associated facilities.

RELATED: US fertilizer makers put expansion plants on hold

The total cost of the ammonia plant project is estimated to be between $250 million and $300 million. The project is expected to be completed by the end of 2015.

The EDC site produces a variety of agrochemical and industrial products including regular nitric acid and concentrated nitric acid, mixed (nitrating) acids, sulfuric acid and both agricultural and industrial grade ammonium nitrate.