| Special Fabrications - can be pre engineered at the Markham Culverts plant, providing bevelled or skewed ends, manholes, catch pits and elbows etc. |  |
Special Coatings -
To provide extended life & further protection in saline, swampy and aggressive condition AS/NZS 2041:1998 advises the use of additional protective coatings.
The main method of extending culvert life employed by Markham Culverts is to apply a Duplex Coating of Epoxy in the clean environment of the plant on fresh product.
Epoxy coating is a proven coating, having been used worldwide for culvert protection for over 60 years.
Epoxy Coating being applied at our Lae Plant in clean controlled conditions
Markham Nestable Culvert is made from separate top & bottom sheets enabling the Epoxy coating to be applied in various thicknesses with lighter coatings on the outside & obvert, concentrating heavier coatings on the inside of the invert where it is needed.
This provides a range of protection thicknesses economically balanced to the location / environment requirements.
Typical thicknesses 125 Microns to 250 Microns DFT
Duplex Epoxy is also available as an additional coating on our Multiplate® & SuperCor® range.
Typical Costs add 20% to 40 % on the cost of the pipe
Polymer Coated Culvert is also available - contact us for more detail
Export - Lae is ideally situated to service the Pacific and South East Asia. The compact nature of Nestable pipe allows approximately tonne for cubic metre loading of trucks or containers.
| Some Typical Container Loading for 1 x 20ft container using stock gauges: 300mm Dia 1063 metres of
pipe |
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E-Mail: mculverts@markham.com.pg
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