Grizzly Bear Cabins and Campground in Denali, Alaska, needed a larger onsite system to handle a major expansion. Across the road, the undersized system for Denali River Cabins complex also needed replacement.Bio-Microbics engineer Reza Shams, Ph.D. helped design engineer Bob Tsigonis, P.E., owner of Lifewater Engineering Co. in Fairbanks, to address numerous challenges. Both properties had potable wells and minimal space, ruling out new or replacement drainfields. Effluent discharging to the Nenana River had to meet stringent requirements.“The systems operate May through September, so winter storage was an issue,” says Tsigonis. “We had to wait until the snow melted and
