PDC Harris Group LLC

Hibbing and Virginia, Minnesota

Harris Group has performed as both Owner’s Engineer and Design Engineer for the addition of biomass fuelled steam generation units at the existing power generation and district heating plants in the cities of Hibbing and Virginia, in northern Minnesota.

Each stoker type boiler will generate approximately 135,000#/hr of steam that will be used to generate power to satisfy a 35MW power purchase agreement. NOX is controlled by an SNCR system.

As Owner’s Engineer, Harris Group performed plant definition and heat balance tasks, assisted in environmental permitting, sized the biomass boilers and initiated long lead equipment procurement tasks.

As Design Engineer, Harris Group has managed other major sub-contractors, produced detailed engineering and design for the boiler installation and interface with existing facilities, developed construction bid packages, and is involved in construction support activities.