Noman M. Cole, Jr. PCP Solids Processing Rehabilitation

Rehabilitation and replacement of solids processing facility.

Large Tanks
Lorton, VA
Delivery Method
County of Fairfax, VA
Year Complete

Project Overview

PC completely upgraded four existing dissolved air flotation thickening (DAFT) systems, installed a new polymer system and new scum collection systems on the primary and secondary clarifiers. This $18.4 million project is the second contract of Fairfax Country’s comprehensive solids handling improvement program at the 67-mgd NMPCPC.

PC proposed a creative construction sequencing approach that shortened the schedule by 85 days.


  • APWA Mid-Atlantic Chapter’s Project of the Year Award


MGD Facility Serving Fairfax County, Virginia


Days Schedule Savings with Creative Sequencing


Dissolved Air Flotation Thickening Units Replaced

Our Clients

PC proposed ideas to reduce the construction time…The key to the time savings was trust and communication among all parties to consider a contractor idea that ultimately benefited all parties.

Franklin Roberts

Senior Engineer • County of Fairfax, VA