A. The concrete platform on the
four corners at the bottom of the pit makes the surface smooth and
level, and perpendicular to the four walls of the pit. B. Shallow pit for platform scale. It is poured with C30 concrete.
The four rims and corners must be square and straight, and the
corners of the pit rim can be protected by section steel. While
using you must keep the pit from ponding. C. The 25mm diameter pipe for signal cable is buried at one end
according to the draft and the other end is led to the instrument.
