一、概况:上海精品商厦(以下简称商厦)地处上海市中心南京路与西藏路交叉口的西南角,两面临街。该建筑建于1921年。为二～三层砖混承重,木楼面的西式建筑。建成至今70年来业主和使用单位多次更换并各自都进行了相应的改造和装修。此次改造前仅底层除四个 I. Overview: Shanghai boutique commercial buildings (hereinafter referred to as commercial buildings) are located at the southwest corner of the intersection of Nanjing Road and Xizang Road in the center of Shanghai. The building was built in 1921. It is a two- to three-story brick-mixed, Western-style building with a wooden floor. Since its establishment 70 years ago, the owner and user unit have changed several times and each has carried out corresponding transformation and renovation. Only four floors were removed before the transformation