In this paper, the improvement methods of working platforms arrangement for NPP(Nuclear Power Plant) construction has been reviewed to enhance the construction accessibility. The working platforms will be enlarged and added because of accessibility of the hi-capacity crane for installation of the SC module and the combined module. The vertical elevator and the working tower have been also proposed to increase construction accessibility. It is concluded that the improvement of constructability is possible based on the consultation of construction company.

• 남덕우(한국수력원자력 중앙연구원 신형원전연구소 APR+개발팀) | Nam, Deok Woo
• 이종보(한국수력원자력 중앙연구원 신형원전연구소 APR+개발팀) | Lee, Jong Bo
• 한성흠(한국수력원자력 중앙연구원 신형원전연구소 APR+개발팀) | Han, Sung Heum