Patent ID: 6361249
Filing Date: 2002-03-26
Classification: A01C,A01K,B09B,C02F,E04H,Y02A,Y02W,Y10T

Abstract:
A method for covering a lagoon manure storage basin, waste water retention pond, water reservoir, open top material storage tank, or stacks or piles having a perimeter and a containment portion, the method comprises;placing a perforated tubular member about the perimeter of a lagoon, manure storage basin, waste water retention pond, water reservoir, open top material storage tank, or stacks or piles of commodities; laying a resilient cover on the containment portion lagoon, manure storage basin, waste water retention pond, water reservoir, open top material storage tank, or stacks or piles of commodities, such that the perimeter of the cover is covering the tubular member; sealing the perimeter of the cover with a small amount of ballasted weight; providing a pumping device; attaching the pumping device to the tubular member; and extracting air through the tubular member with the pumping device which forces the cover downward by the use of negative air pressure.