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22 September 2022
3 August 2022
26 July 2022
22 July 2022
21 July 2022
20 July 2022
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JamesCowan moved page Installation of underdrains to Underdrains: Installation
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19 July 2022
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Created page with "Underdrains Underdrains are perforated pipes that collect subsurface water and convey water out of an LID facility once it reaches capacity. Their design is determined by the drainage requirements of the feature. Construction Steps: 1. Install the underdrain to grade with a consistent slope of 0.5% to 1.0% 2. Connect overflow risers with single-elbowed ‘y’ connections or 45° elbows 3. Situate maintenance risers where siltation is expected in drain lines (such as a..."
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