| 摘要 |
The present invention relates to a dirty and drainage water storage tank. According to the present invention, the dirty and drainage water storage tank has a nozzle installed thereon; a pump support, a drain, and a rail unit installed in a body including an inspection manhole and a manhole exclusive for a pump in the upper part; and a pump device installed through the manhole exclusive for the pump and the rail unit on the pump support to be able to be attached or detached. Thus, the dirty and drainage water storage tank is easy to be installed on a construction site since the components are replaceable according to each construction process, thereby significantly reducing disorder of the construction site, construction expenses, and processes. |
