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Segment 9 (9A to 9B): <br />Drainage Area - Undisturbed Area 3A <br />Runoff from road surface of Segment 8 <br />Drainage Control - V-ditch on inslope with run-out release point. The <br />runout channel will have the same configuration as the <br />ditch except it will be deepened to have a freeboard <br />of 1 ft. Four loose rock filters will be placed in the <br />runout channel to dissipate water velocity. Rock <br />filters will be constructed to a height of the design <br />flow depth. Freeboard not filled with rock material <br />Segment 10 (l0A to lOB): <br />Drainage Areas - <br />to ensure flow passes to sedimentation pond should <br />rock filters become plugged with ice or sediment. The <br />additional freeboard is provided to ensure that the <br />design flow and required freeboard is maintained in <br />the event of the rock filters becoming plugged. <br />Disturbed Area 7 <br />Undisturbed Area 23 <br />Disturbed Area 8 <br />Disturbed Area 9 <br />Disturbed Area 11 <br />Undisturbed Area 24 <br />Undisturbed Area 25 <br />Undisturbed Area 26 <br />Disturbed Area 10 <br />Undisturbed Area 5 <br />Undisturbed Area 6 <br />Undisturbed Area 7 <br />Undisturbed Area 8 <br />Undisturbed Area 1 <br />Disturbed Area 1 <br />Undisturbed Area 2 <br />Undisturbed Area 3 <br />(an additional 0.03 cfs added (15 <br />gpm) to account for beltline wash <br />water). <br />3.SF-7 May 14, 1993 <br />