Saskatoon firm supplies Cover-All system for Wisconsin sewage treatment plant

Interior of Cover-All Arch building in the Village of Spencer.

The Village of Spencer Sewage Treatment Plant manages the sewage for a population of 1,800 people, plus the sludge from a few large industries in surrounding areas. The Wisconsin community required a building to cover two sewage tanks to prevent freezing problems. The two tanks hold 165,000 (US) gallons each, enough storage space to last 180 days. The Wisconsin winters continually freeze the sludge and hinder the growth of the bacteria that is needed to process the sewage sludge into fertilizer for agricultural use.

The Village of Spencer decided that covering the two outdoor tanks would be a worthwhile investment to produce a consistent ag-fertilizer product and to minimize winter maintenance issues. It decided to purchase a 55 by 62 foot Cover-All Arch building.

“The building creates a solar effect and keeps the heat in during the winter,” says Gerald Marden, Waste Water Treatment Plant Operator. “Our aeration process to keep bacteria alive works at full capacity everyday of the year now; we no longer have freezing problems.”

“We looked at pole barns but the moisture and condensation might have rotted the wood and created algae growth on the walls. We would have also had an ongoing maintenance issue to prevent the ventilation system from freezing up,” says Marden. “With the Cover-All building, the galvanized steel and fabric is not going to rot and any condensation problems are eliminated with the natural ventilation created by the six inch centre ridge vent. The fabric cover provides a natural drying effect in the interior when the sun hits the fabric.”

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