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Self-supporting drainage channel Type I in accordance with EN1433. Resistant to frost, thaw, salt, oil, and gasoline, etc. Self-compacting concrete C 55/67. Manning-Stickler roughness coefficient of 95. Internal dimensions wxh=500x600mm. (external wxh=705/779x715mm). Double galvanized steel angle profiles. 0.75m gratings fixed to the channel with dynamometric keys. Grating bolted 4 times. Subtle flow in the drainage channel for better hydraulic cleaning and accelerated flow. Traffic class D, 400KN. The drainage channel has a hydraulic section of 2583 cm2/m. Weight 1851kg.
