Culvert corrugation mm 100×20; steel quality S235JR according EN 10025; hot dip galvanized according UNI EN ISO 1461. Bolts and nuts A.R. D.M14 with spheric underhead. Pitch mm 1000.
- The dimensions indicated and referring to the inside radius, are nominal and therefore subject to manufacturing tolerances.
- The indicated thicknesses are nominal and refer to black plates; they conform to UNI EN 10051 standard. Different tolerances must be therefore previously agreed. Even weights, being theoretical, are variable according to the same thickness tolerances.
- The number of plates, for all kinds of sections, is indicative and may vary according to the availability of the semimanufactured items.
- The above dimensions are indicative and not compelling.