York International Corp., is being awarded a $22.m contract for the acquisition of an estimated quantity of 20, 300-ton air conditioning plant duplex conversion kits required to increase the cooling capacity of York air conditioning plants installed in Los Angeles-class (SSN-688) submarines. The contract also calls for the furnishing of auxiliary component kits, installation and checkout spares kits and associated technical documentation. Work will be performed in York, Pa., and is expected to be completed by November 2011. This contract was not competitively procured. The requirement was synopsized on the Federal Business Opportunities website. The Naval Surface Warfare Center, Carderock Division, Ship System Engineering Station, Philadelphia, Pa., is the contracting activity (N65540-07-D-0016).