J.S. Alberici Construction Co., Inc.(St. Louis, MO) has completed installing the necessary ductwork and by-pass dampers on the first of elective catalytic reduction (SCR) systems it is constructing at Georgia Power's Bowen Units 3 and 4 in Cartersville, GA. The SCRs will be built over the next year 'hile the units are operational. The project is scheduled for completion by 2003.