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' Rock Chute Design - Plan Sheet <br /> ' (Version W I-July-2010,Based on Design of Rock Chutes by Robinson, Rice,Kadavy,ASAE, 1998) <br /> Project: Morrison Quarry-Basin B Outlet County: Jefferson <br /> Designer: TPY Checked by: <br /> Date: 5/18/2020 Date: <br /> ' Minimum Enter <br /> Design Values Plan Values Rock Gradation Envelope Quantitiesa <br /> 5.2 in, D50 dia.= 12.00in. %Passing Diameter,in.(weight,lbs.) Rock=63 yd3 <br /> 10.4 in. Rook„,,thickness= 24.00in. Dtoo --------- 18-24(413-9181 Geotextile(WCS-13)° = 152 yd2 <br /> ' 4 ft Inlet apron length= 10.00 D85 --------- 16-22(269-713) Bedding= 0 yd3 <br /> 7 ft. outlet apron length= 10.00 ft. D50 - 12-18(122-413) Excavation= 0 yd3 <br /> 14 ft. Radius= 33 ft. Dto --------- 10-16(63-269) Earthfill= 0 yd3 <br /> ' Will bedding be used? No Seeding= 0.0 acres <br /> Notes: a Rock,bedding, and geotextile quantities are determined <br /> from the x-section below(neglect radius). Degree of angularity= <br /> Geotextile Class/(non-woven)shall be overlapped <br /> ' and anchored(18-in.min.along sides and 24-in. min.on the ends). 1 50%angular,50%rounded <br /> Upstream o <br /> 2 100%rounded <br /> Channel Inlet apron elev.= 7155 ft. <br /> SIO t + 3 <br /> ' Pe-0 ?5 ft.ig < - Inlet apron ' 4 Rock thickness= 24 in. <br /> - loft----- <br /> Rock Chute <br /> Radius= 33 ft. Outlet apron <br /> Stakeout Notes elev.= 7130 ft. Downstream <br /> Sta. Elev.Writ) Geotextile -- - 7 Channel <br /> 0+00.0 7155 ft. (1) 1 '�, ' _F. Slope=0.02 ft./ft. <br /> ' 0+04.6 7155 ft. (2) 3.03'-, --Outlet a ron 1 <br /> 0+10.0 7154.6 ft.(3) < 76 ft. `-- - 10 ft.--- 2 5 d= 2 ft. <br /> 0+15.1 7153.3 ft.(4) <br /> 0+85.8 7130 ft.(5) Profile Along Centerline of Rock Chute -Note: The outlet will <br /> 0+95.8 7130 ft.(6) function adequately <br /> ' 1+00.8 7132 ft. (7) <br /> <Top width= 3 ft. B rm <br /> Class I non-woven Geotextile <br /> Freeboard =0.5 ft. - <br /> Rock gradation envelope can be met with 1 �% y= 0.69 ft, i� Rock Chute <br /> DOT Extra Heavy nprap Gradation 2 i Bedding <br /> ' 4--------✓ Rock = <br /> Rock Chute Cost Estimate 1< 0 ft. nickness 24 in. <br /> Unit Unit Cost Cost A <br /> Rock $10.00/yd3 $630.00 Br= 1 ft Use throughout chute <br /> but not <br /> less than z2. <br /> Geotextile $12.00/yd2 $1,824.00 Rock Chute Cross Section <br /> ' Bedding $12.00/yd3 $0.00 <br /> Excavation $12.00/yd3 $0.00 Profile, Cross Sections, and Quantities <br /> Earthfill $1.00 /yd3 $0.00 <br /> Seeding $2.00 /ac. $0.00 <br /> ' Total $2,454.00 <br /> o N RCS <br /> Morrison Quarry-Basin B Outlet oa a m <br /> '°"s Jefferson County k� <br /> rve c.11ia <br /> pprove0 <br /> Page 2 of 5 <br />