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<br />,I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />TYPE A <br /> <br />I' <br /> <br />MINIMUM EASEMENT /ROW WIDTH <br /> <br />I ~ MAINT .111 <br />ROAD <br /> <br />4 <br /> <br /> <br /> <br /> <br />FREEBOARD <br />NORMAL DEPTH <br /> <br />BOTTOM WIDTH <br /> <br />TRICKLE CHANNEL <br /> <br />NOTES: <br /> <br />I BOTTOM WIDTH: CONSISTENT WITH MAXIMUM ALLOWABLE DEPTH AND VELOCITY <br />REOUIREMENTS, SHALL NOT BE LESS THAN TRICKLE CHANNEL WIDTH. <br /> <br />2. TRICKLE CHANNEL: MINIMUM CAPACITY TO BE 2% TO 4% OF 100-YEAR FLOW <br />BUT NOT LESS THAN I CFS. CHANNEL TO BE CONSTRUCTED OF CONCRETE, GROUTED <br />RIP RAP, OR OTHER APPROVED MA TERIALS. <br /> <br />3. NORMAL DEPTH: NORMAL DEPTH AT 100-YEAR FLOW SHALL NOT EXCEED 5 FEET. <br />MAXIMUM 100-YEAR FLOW VELOCITY AT NORMAL DEPTH SHALL NOT EXCEED 7 FPS. <br /> <br />4 FREEBOARD: FREEBOARD TO BE A MINIMUM OF I FOOT. <br /> <br />5. MAINTENANCE ACCESS ROAD: MINIMUM WIDTH TO BE 12 FEET CITY MAY REOUIRE <br />ALL OR PART OF THE ROAD TO BE SURF ACED. <br /> <br />6. EASEMENT/ROW WIDTH: MINIMUM WIDTH TO INCLUDE FREEBOARD AND MAINTENANCE <br />ACCESS ROAD. <br /> <br />7 CHANNEL SIDE SLOPE: MAXIMUM SIDE SLOPE FOR GRASSED CHANNELS TO BE 3:1. <br /> <br />8 FROUDE NUMBER: MAXIMUM VALUE SHALL NOT EXCEED 0.8 FOR MINOR AND <br />MAJOR FLOODS. <br /> <br />9. LOW FLOW PIPE MA Y BE USED IN LIEU OF TRICKLE CHANNEL. <br /> <br /> <br />TYPICAL GRASS LINED <br />CHANNEL SECTION <br />FIGURE 5-2 <br /> <br />Public Works <br />Department DA TE: AUGUS T, 1996 <br /> <br />SCALE N. T.S. <br />