CCA Road Note 42 by Cement and Concrete Association
Precast drainage structures play an important role in road d infrastructure renewal and augmentation where minimising the interruption to traffic flow during works is vital. In some rural areas there is not always ready access to skilled concrete workers while restricted site access and speed of construction are major challenges. Precast concrete products provide dramatic savings on both sounds. Precast manufacturers have developed innovative multiple-cell culverts comp fete with headwalls ana wingwall s, they can also produce special one-off structures for specific projects.
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