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1 <br /> t Rock_Chute.xls <br /> for construction plan <br /> ' Rock Chute Design - Cut/Paste Plan <br /> (Version WI-July-2010, Based on Design of Rock Chutes by Robinson, Rice,Kadavy,ASAE, 1998) <br /> Project: Morrison Quarry-Culvert A Outlet Chan County: Jefferson <br /> Designer: TPY Checked by: <br /> Date: 5/18/2020 Date: <br /> ' Design Values Rock Gradation Envelope Quantitiesa <br /> D50 dia.= 24.0 in. %Passing Diameter,in. (weight, lbs.) Rock= 377 yd3 <br /> Rockchute thickness= 48.0 in. D100 --------- 36-48(3302-7827) Geotextile(WCS-13)b = 378 yd2 <br /> ' Inlet apron length = 22 ft. D85 --______- 31 -43(2150-5706) Bedding= 0 yd3 <br /> Outlet apron length = 28 ft. D50 24-36(978-3302) Excavation= 0 yd3 <br /> Radius= 67 ft. D10 --------- 19-31 (501 -2150) Earthfill = 0 yd3 <br /> ' Will bedding be used? No Coefficient of Uniformity, (D60ND 10)< 1.7 Seeding= 0.0 acres <br /> Notes: a Rock, bedding, and geotextile quantities are determined from x-section below(neglect radius). <br /> b Geotextile Class/(Non-woven)shall be overlapped and anchored(18-in. minimum along sides <br /> and 24-in. minimum on the ends)--- quantity not included. <br /> Upstream g <br /> Channel Inlet apron elev. = 7130 ft. Point No. Description <br /> ' `) 1 v 2 3 2 Point of curvature(PC) <br /> Slope=0,33 ft./ft. <br /> Inlet apron a Rock thickness= 48 in. 3 Point of intersection(PI) <br /> -----22 ft.----- 4 Point of tangency(PT) <br /> Stakeout Notes ` <br /> ' Sta. Elev.(Pnt) <br /> 0+00.0 7130 ft. (1) Radius= 66.72 ft. Outlet apron <br /> 0+11.2 7130 ft. (2) elev. = 7120 ft. Downstream <br /> 0+22.0 7129,1 ft. (3) Geotextile-- Channel <br /> ' 0+32.3 7126.6 ft. (4) 1 5 Slope=0.02 ft./ft. <br /> 0+52.0 7120 ft. (5) 3 Outlet a ron <br /> 0+80.0 7120 ft. (6) 30 ft. - --- 28 ft.-A- I 1 --d= 2 ft. <br /> � � y' 0+85.0 7122 ft. (7) 2.5 <br /> Profile Along Centerline of Rock Chute -Rock Chute <br /> Bedding <br /> ,Top width = 17 ft. Berm <br /> Geotextile <br /> Freeboard = 0.5 ft. — <br /> ' 1 '� y= 4.32 ft. i� Rock Chute <br /> Notes: 2� Bedding <br /> Rock gradation envelope can be met with ` ____ ___J <br /> Gradation printed E 0 ft. Rock thickness= 48 In. <br /> ` B'=2 ft •Use HP throughout chute <br /> Rock Chute Cross Section but not less than Z2' <br /> ' Profile, Cross Sections, and Quantities <br /> N R C S ��me <br /> Morrison Quarry-Culvert A Outlet Chan oes9�ee !P� <br /> o,aw� oawmy Name <br /> Nawrai rte:ounces Conservaoon servme <br /> un,tM steles DeV em fAg it— Jefferson County Cne,Kea <br /> sneer or <br /> PP—d <br />