Changes

For concentrated overland flow:  

For concentrated overland flow:  

*(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.

===Sizing===

===Sizing===