SAN DIEGO COUNTY, CALIF. — BYCOR General Contractors has nearly finished constructing the 104,397-square-foot Building 902, a Class A office building in San Diego County’s Liberty Station. Delivery is expected late this month. Building 902 was constructed to Silver LEED specifications and features water-efficient fixtures, roof finishes aimed at reducing heat and locally produced building materials. The property is 77 percent leased to BAE Systems on a 10-year contract. Liberty Station already houses six fully leased buildings. With the addition of Building 902, the development will span 22 acres and encompass 380,000 square feet of office space.