FONTANA, CALIF. — Construction has commenced on the 598,000-square-foot Sierra Lakes Commerce Center in Fontana. A joint venture between Trammell Crow Co. and Clarion Partners is developing the Class A speculative logistics center. The space is scheduled for completion in the first quarter of 2018. Fullmer Construction will build the property, which RGA Architecture designed. JP Morgan Chase provided financing for the project. Bill Heim and Michael Chavez of Lee & Associates will lease and market the building.