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III IIIIIIIIIIIII III <br />999 <br />pave 5 of 5 <br />TRAPEZOIDAL CHANNEL <br />West Col~ection Channel-Facilities Segment <br />(Lower 400' of West Collection Channel) <br />CHANNEL CAPACITY = 72,39841 CFS <br />NOTE -- TRACTIVE FOP.CE = 1.616834 PSF <br />**** *****,r*+,r***irr******** ***+** * **** ****,r ***,r,r,rr*** ~* **** <br />DESIGN VELOCITY = 7.823416 FPS <br />DESIf,N TRACTIVE FORCE = 1,616834 PSF <br />CHANNEL SLOPE = 2.955 <br />MANNINGS N = ,03 <br />DESIGN FLOW DEPTH = <br />DESIGN FREEBOARD = <br />TOTAL CHANNEL DEPTH <br />CHANNEL TOP WIDTH = <br />CHANNEL SIDE SLOPE <br />DESIGN BOTTOM WIDTH <br />D50 = 3.5 INCHES <br />1,237877 FEET <br />,4 FEET <br />= 1,637877 FEET <br />11,55151 FEET <br />=2to1 <br />= 5 FEET <br />Construct surface facilities segment of channel with 5 foot <br />feet deep. Lower 400 feet of surface facilities segment to <br />durable sandstone riprap with a minimum f150 of 3.5 inches. <br />will be a minimum of 6 inches thick and will he placed alon <br />and bottom and worked into the soil with a dozer, Based nn <br />and observed performance, riprap lining is not required for <br />of the facilities segment of the channel, <br />7528E <br />scg <br />wide bottom by 2 <br />be lined with <br />The riprap layer <br />q the channe~ bank <br />existing gradient <br />the upper portion <br /> <br />