- Otta seal
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Otta seal is a low-cost type of road surface. Otta seal is a 16-30mm-thick mixture of bitumen and crushed rock[1].
Etymology
The method was first used on gravel roads in the Otta Valley in Norway.
References
- ^ Manins, Rosie (28 February 2009). "New dust suppression method". Otago Daily Times. http://www.odt.co.nz/the-regions/central-otago/45404/new-dust-suppression-method. Retrieved 1 November 2011.
Categories:- Materials stubs
- Road construction
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