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V <br />k <br />a <br />rt <br />FA <br />F <br />I <br />TYPICAL HAUL ROAD PLAN <br />SCALE: I "= 5' <br />TYPICAL FILL PLAN <br />WITH CULVERT <br />SCALE: I "= 30' <br />D <br />i NOTES: <br />1) All roads to be supereievated at curves in accordance <br />with AASHO standards. <br />2) Base designs for highway trucks; (H 20 Live Load used). <br />MIN. 3) All areas under roads to be cleared of topsoil before <br />r1l; Eq uipment 24'MW grading. All disturbed areas to be retopsoiled and <br />OrgMwlGround dM Original (Two Lanes) seeded after COIIStI1CtiOn. <br />Grand <br />I <br />4) Procedure for installation of culverts: <br />Vd /Ft' a. A uniform blanket of loose material should cover the <br />UPUWN ll I craan shaped bedding to a depth sufficient to fill the corru- <br />ISn Flan °r �r 2,'N gations. <br />I' MIN.'+It +It <br />Var de Slopepep ending <br />OnI�/xWIs and Heign 1 2 or1 1 Fear r b. Water in the ditch or foundation should be removed. <br />2watiaMi epending or <br />ht Flatter FWAer I <br />C. Po or foundation material should be replaced with <br />suitable fill to provide uniform continuous support. <br />—CUT— —FILL— Min. 6" Gravel or Scoria <br />d. Backfill should be placed in uniform well tamped <br />NOTES —CUT— —FILL — 6 inch layers on both sides of the structure. <br />1F 21 over 15RrHigh FlII Side Slopes e. Compaction to over 90% standard density is re- <br />31E - yDlcallyAMOtor Grader V- Ditch; quired or as directed by the engineer. <br />- Grade All Ditches To Drain a ACCESS ROAD <br />- <br />ProvideAnIM°rceptingDIpOrAnAt- TYPICALS�CTION 5) Dimensions for the ditches are the minimum require - <br />Grade Crossing For Upstream Runoff ments. <br />SCALE:1 =10 <br />LIGHT —USE ROAD 6) Culverts and ditches must be maintained and cleared <br />TYPICAL SECTION of debris. <br />SCALE: I"=10' 7) Trash racks to be installed when vegetation distur- <br />bance is occuring above the culvert (e.g. topsoil <br />removal and mining). <br />8) Assumed moderate slopes (-SEE TAB 13) <br />9) For detailed calculations (SEE TAB 13) <br />ORIGINAL GROUND 30' _ REFERENCES <br />American Association of State Highway Officials, <br />- ^EETYPICAL - - - - -- Manual for Rural Highway Design, 1965. <br />ROADWAY DETAIL I <br />/ z' American Iron 8 Steel Institute; Handbook of <br />3 15 152 s 1 Steel Drainage and Highway Construction Products; <br />1976. <br />Handbook of Hydraulics; 1976. <br />HAUL ROAD \ Procedures for Determining Peak Flows in Colorado <br />TYPICAL CUT SECTION (Incorporates Technical Release No. 55) ; 1977. <br />SCALE I " =10' <br />:al) United States Department of Agriculture; Predicting <br />1' Rainfall Erosion Losses, A Guide to Conservation <br />Planning; 1978. <br />United States Department of Interior Bureau of <br />Reclamation Design of Small Canal Structuresr <br />1974. <br />30, <br />2 BERM (Typical) SEE TYPICAL <br />2 ROADWAY DETAIL GRASS (See Mining/ Reclamation Plan) <br />JI IL- <br />..�, i2 2 <br />TYPICAL CROSS SECTION <br />WITH CULVERT <br />SCALE: I "= 10' <br />i�OR1 GINAL GROUND <br />MAUL ROAD <br />TYPICAL FILL SECTION <br />SCALE: I " =10 <br />i <br />3 24 3 <br />° 3 3/4- GRAVEL rti MAST 8 CHIP 0.4' FREEBOARD <br />GRASS (SEE MINING/ RECLAMATION PLAN) } BASE ORIGINAL GROUND <br />GROUND 11 12 PIT RUN SUBBASE IL_ —J I <br />3 S 3 <br />TYPICAL SECTION <br />TEMRORARY COUNTY ROAD <br />SCALE I "= 10 <br />(FOR EXISTING NUCLA MINE) <br />ENGINEER'S CERTIFICATION <br />eM�ppO Rf•j• <br />Colorado P.E. 19959 <br />• 4tpr� l J . G � <br />9959 *i Date APR 12 1988 <br />�O,r„ •. � �W e <br />•��ONAL E�iee <br />