Annex: B Installation Proposal For The Shaft Cover, Class D - SFA SANIFOS-Serie Betriebsanleitung

Annex B : Installation proposal for the shaft cover, class D
Installation proposal according to standard road structure.
①
. Commercial BEGU cover - Cover Class D
②
. Commercial concrete rings for height levelling
③
. Top piece made of plastic, height adjustable from 40 to max. 300 mm
Wear layer approx. 3 cm
Bituminous base layer approx. 8-12 cm
Clean layer approx. 10 cm
Crushed rock approx. 20 cm
Antifreeze gravel approx. 25-30 cm
Soil
Grit
Position of the lip seal for the top piece
Safety Instructions!
Installation,
operation and maintenance
may be carried out by a
specialist company only.
mounting,
13