Now manufactured to Australian Standards using 200mm x 55 mm corrugations.  The hot dip galvanised structures available from Markham Culverts are from the Atlantic Civil Products range.

Multiplate® pipes & related profiles fully conform with AS 2041 and P.N.G. DOT & W specifications

Stock Diameters in Lae:
2,100, 2,400,2,700 & 3,000 mm x 3.0mm

Large Span Multiplate® structures   benefit from a thrust beam on each side allowing efficient compaction and arch load distribution to the fill. Spans of up to 18m are permissible.