Industrial service manholes are small concrete structures with specific measurements and very resistant. Bottomless manholes are used as irrigation manholes and in well services.
They are structures that can be used for well services, as irrigation manholes or to supplement 40 X 40 manholes with a bottom. They include three windows to improve ventilation and water passage.
Characteristics of the 60 x 60 ext. service chests. bottomless
Interior measurements 50 />
- Concrete manhole intended for services: manholes, irrigation manholes, etc.
Mass concrete, with a minimum resistance of 35 N / mm2.
Quality control carried out through tests in approved laboratories.
Measurements 60 X 60 X 30 Cm. EXTERIOR
Measurements 50 x 50 cm. INTERIORS
Window diameter: 38 cm
Number of windows: 3/4
Weight: 78 kg
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