santee cooper cross station ccr upgrades p1 - pineville, SC
Scope of Work:
Santee Cooper selected SEI to construct the first phase of the Cross Station CCR and ELG compliance program in September 2016. The project required extensive mechanical construction and modifications of several critical plant systems. These systems include the Flue Gas Desulfurization System (Mist Eliminators, Bleed System, Limestone Slurry System), Ash Silo Purging System, Flue Gas Duct Redirection and Flue Gas Turning Vane installation.
Project Challenges:
Routing elevated alloy piping through existing plant
Hurricane impacts during outage
Project Details:
Completion Date: March 2017
Engineer: WorleyParsons
Peak manpower: 105
Total pipe installed: 3,000 lf
Pipe Material installed:
Hastelloy C276
304 SS
316 SS
HDPE
FRP
PVC
Rubber-lined carbon steel
Project Scope:
New emergency quench water system
Replacement of pugmill ash unloaders
Demolition of the absorber bypass ductwork
New mist eliminator water wash pumps
New absorber bleed pumps
New limestone slurry pumps
Installation of turning vanes in the FGD absorber outlet and inlet ducts
Replacement of a limestone slurry rubber lined pipe system
Replacement of a mist eliminator water wash piping system