Dry Fly Ash Stack Final Closure
Coal Ash Removal + Site Remediation
Quick Facts
Location
Tennessee
Role
Prime Contractor
Completion Date
December 2015
Project Overview
The scope of work consisted of a composite cap closure system installed in three incremental stages.
Project Highlights
154,000
CY of subgrade excavation and embankment
88
AC of sodding
300,000
CY of imported soil cover system
13,800
LF of geocomposite/HDPE drainage piping
3,516,610
SF of geosynthetic lining system
24,000
TN of aggregate surfacing
Phillips Contribution
The project was divided into three (3) progressing stages. Stages 1 and 2 involved the closure of approximately 40 acres, with the remaining 42 acres performed in conjunction with Stage 3. The work for each stage consisted of erosion and sediment controls, miscellaneous site demolition, onsite below cap excavation and grading, geosynthetic liner system installation, importation of soil cap cover layer, geocomposite/HDPE drainage installation, storm drainage management and installation, aggregate resurfacing, and site stabilization.
