Tank has man hole pit, support pit and tank shell with tank pit, where man hole pit has man hole pit pipe, where man hole pit pipe is adjusted and placed at lower end of curvature of tank shell

摘要

The tank (33) has a man hole pit (35), support pit (57) and tank shell with tank pit (41), where the man hole pit has a man hole pit pipe (37). The man hole pit pipe adjusted and placed at the lower end of the curvature of the tank shell. A curable mass is filled between man hole pit pipe and tank pit. An independent claim is also included for a method for constructing a man hole pit on a tank for clearing a man hole pit, particularly cement man hole pit.