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Line 79: |
| For concentrated overland flow: | | For concentrated overland flow: |
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| *(i) Draining roads Catch basins or other inlet structures should be located at all sag points in the gutter grade and immediately upgrade of median breaks, crosswalks and street intersections, | | * Draining roads Catch basins or other inlet structures should be located at all sag points in the gutter grade and immediately upgrade of median breaks, crosswalks and street intersections, |
| *(ii) Inlet types include curb openings, side inlet catch basins, trench drains, and other pre-fabricated inlet structures, | | * Inlet types include curb openings, side inlet catch basins, trench drains, and other pre-fabricated inlet structures, |
| *(iii) Spillways aid in turning flow 30, 45 or 90 degrees into the practice, | | * Spillways aid in turning flow 30, 45 or 90 degrees into the practice, |
| *(iv) If the inlet structure itself does not provide sedimentation or filtration pre-treatment, incorporate a pre-treatment gravel diaphragms geotextile and stone filter inlet at curb opening or spillway locations to isolate sediment, trash and debris for ease of removal, and | | * If the inlet structure itself does not provide sedimentation or filtration pre-treatment, incorporate a pre-treatment gravel diaphragms geotextile and stone filter inlet at curb opening or spillway locations to isolate sediment, trash and debris for ease of removal, and |
| *(v) Provide provide a 50 to 100 mm drop in elevation between inlet invert and top elevation of the gravel diaphragmpre-treatment practicestone cover. | | * Provide provide a 50 to 100 mm drop in elevation between inlet invert and top elevation of the gravel diaphragmpre-treatment practicestone cover. |
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| ===Sizing=== | | ===Sizing=== |