Ardaman & Associates, Inc. Orlando Gypsum Stack Expansion Polk County, Florida IMC Fertilizer, Inc.

Ardaman & Associates designed, assisted in permitting, and provided construction testing and inspection for a new phosphogypsum byproduct disposal area for the largest fertilizer plant in the United States. The design incorporated numerous innovative elements including: the use of sedimented or compacted byproduct gypsum as a cover component for a synthetic liner; and a 110-foot deep vertical cutoff wall keyed up to 50 feet into rock The engineering profession will benefit from the new liner concept on future projects of this kind.