Deep basal pit rainwater regulation pond with overhaul platform

The utility model provides a deep basal pit rainwater regulation pond with overhaul platform, including cell body (1), slide rail (3) that the installation level set up hang below roof (2) of cell body (1), slide rail (3) slidable mounting monorail trolley (4) above but, the left and right sides symmetry installation and maintenance manhole (5) of cell body (1), the left and right sides of cell body (1) symmetry installation steel cat ladder (6), the left and right sides symmetry installation guide rail (7) of cell body (1) the 1st maintenance platform (12) of the upper portion space installation level setting of cell body (1) the 2nd maintenance platform (14) of the lower part space installation level setting of cell body (1). The advantage does: the utility model provides a deep basal pit rainwater regulation pond with overhaul platform, the rainwater drainage who is applied to the building controls the design field, and have the management of being convenient for and maintain, safeand reliable, to prevent