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' Rock Chute Design - Plan Sheet <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;18i202C Date: <br /> ' Minimum Enter <br /> Design Values Plan Values Rock Gradation Envelope Quantitiesa <br /> 22.4 in. D50 dia.= 24.00in. %Passing Diameter,in.(weight,lbs.) Rock=377 yd3 <br /> 44.8in. Rock,,,.thickness= 48.00in. D100 --------- 36-48(3302-7827) Geotextile(WCS-13)b = 378 yd2 <br /> 22 ft Inlet apron length= 22.00ft. D85 --------- 31 -43(2150-5706) Bedding= 0 yd3 <br /> 28 ft. outlet apron length= 28.00 ft. D50 - - 24-36(978-3302) Excavation= 0 yd3 <br /> 62 ft. Radius= 67 ft. D10 --------- 19-31 (501 -2150) 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 /> b Geotextile Class I(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 <br /> 2 100%rounded Channel 50 —Inlet apron elev.= 7130 ft. <br /> S"Pe=0.33 ft.:'ft - Inlet apron 4 Rock <br /> p thickness— 48 in. <br /> A 22 ft._---- <br /> Rock Chute <br /> ' Radius= 67 ft. Outlet apron <br /> Stakeout Notes elev.= 7120 ft. Downstream <br /> Sta. Elev.Writ) Geotextile -- Channel <br /> 0+00.0 7130 ft.(1) 1 `= 5 '-x Slope=0.02 ft./ft. <br /> ' 0+11.2 7130 ft.(2) 3 `�Outlet a ron <br /> 0+22.0 7129.1 ft. (3) 30 ft. - 28 ft.---- 2.51 --d= 2 ft. <br /> 0+32.3 7126.6 ft. (4) <br /> 0+52.0 7120 ft. (5) Profile Along Centerline of Rock Chute **Note: The outlet will <br /> 0+80.0 7120 ft. (6) function adequately <br /> ' 0+85.0 7122 ft. (7) <br /> ,Top width= 17 ft. B rm <br /> Class I non-woven /Geotextile <br /> —� <br /> Freeboard=0.5 ft. - <br /> 41 <br /> Rock gradation envelope can be met with 1 y= 4.32 ft. rF Rock Chute <br /> Gradation printed 2�� r Bedding <br /> � r <br /> Rock Chute Cost Estimate 0 ft. � Rock thickness- 48 in. <br /> Unit Unit Cost Cost <br /> Rock $10.00/yd3 $3,770.00 B'=2 ft Use throughout chute <br /> but not <br /> less than z2. <br /> Geotextile $12.00/02 $4,536.00 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 lac. $0.00 <br /> ' Total $8,306.001 <br /> O N R C S * o,m - <br /> Morrison Quarry-Culvert A Outlet Chan D-g— <br /> a:°,a.Re�°, �"��o°se"`e Jefferson County ,.,. <br /> uud sole:oepanmemoiny,cuuure <br /> p,,­ <br /> Page 2 of 5 <br />