1 Confirm the depth and size of the hole and then we can make sure that the manhole cover and the ground are at the same level.
2 Clean the entrance to be installed.
3 Pour appropriate amount of the concrete in front of the ring loading capacity.
4 Put the frame on the concrete layer.
5 Adjust the position of the frame with rubber hammer to make it level with the horizontal plane.
6 Clean the concrete inside the frame.
7 Concrete filling around the well circle.
8 After installation, clean up the installation site, set prompt signs, and use water for maintenance within 7days.
Zibo Best Energy-saving Materials Co., Ltd. was established in 2004, produce and export SMC manhole cover, drain grating ,tree-grating, gully grating. Strictly in accordance with BS EN124 and have obtained various kinds of certificates. Till now, our competitive products not only have good market in domestic, but also owned a large overseas market with a high reputation.