Abstract
As of 2015, remodeling market in Korea is estimated at 9 to 10 trillion KRW. Notwithstanding the deregulation, construction companies are very cautious of expansion remodeling business due to inefficiency resulting from unexpected incidents and various matters in the course of expansion remodeling construction. Hence, improvements in efficiency of field managers performing expansion remodeling construction are critical for vitalization of future remodeling market. Especially, capability of field managers in charge of remodeling construction greatly affects the efficiency and is a critical factor in success of remodeling construction. Hence, this research aims to present improvement plan by identifying key tasks of expansion remodeling at each construction step, and analyzing the level of field manager's job performance and degradation factors of job efficiency, in order to vitalize remodeling market through enhanced efficiency of domestic expansion remodeling.