The bottomless service manhole is very useful in manholes and ventilation. Likewise, this 70x70 manhole serves as a well irrigation manhole.
Characteristics of the 70 x 70 bottomless service chests
Its measurements are 70x70x65 cm on the outside and 60x60 internally.
The service chest is made of concrete, a very resistant and functional material.
Mass concrete, with a minimum resistance of 40 N/mm2.
A 70X70 pit without a bottom can supplement a 40X40 pit with a bottom.
Window diameter 43 cm
Number of windows: 3
Weight: 200 kg
It can be used in manholes, as irrigation manholes and for internal ventilation of wells.
Concrete manhole intended for services: manholes, irrigation manholes, etc.
Quality control carried out through tests in approved laboratories.
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