Plot chambers
Precast plot chamber elements with an 80×80 cm inner size, consisting of base, full shaft, half shaft and cover.
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Precast infrastructure
Manholes
Precast concrete manhole elements consisting of cover, neck, cone, half shaft, full shaft and base.
- EN 1917
Overview
Manholes
They are made to TS 821 EN 1917.
Manholes
Sizes and technical values
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Manholes
Standards
- EN 1917 Concrete and reinforced concrete manholes and inspection chambers
Precast infrastructure
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