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REGRADED CHANNEL BOTTOM <br />MATERIALS, COMPACTED TO <br />95% OF MAXIMUM DENSITY AS <br />DETERMINED BY THE STANDARD <br />MOISTURE /DENSITY TEST ASTM <br />D698. <br />NOTE: IF THE ENGINEER DETERMINES THE <br />EXISTING CHANNEL BOTTOM MATERIALS TO <br />BE UNACCEPTABLE, ALTERNATE MATERIALS <br />SHALL BE USED FOR SUBGRADE. <br />`— UNDISTURBED <br />JTT <br />EARTH (TYP.) <br />6' X 3' ASTM C -850 <br />PRECAST BOX CULVERT (TYP.) <br />ON -SITE MATERIALS MAY BE USED <br />FOR SUBGRADE FILL IF APPROVED <br />BY THE ENGINEER. THEY SHALL <br />BE COMPACTED TO 95% OF MAXIMUM <br />DENSITY, AS DETERMINED BY THE <br />STANDARD MOISTURE/DENSITY TEST <br />ASTM D698 (TYp,). <br />SECTION A-A <br />N.T.S. <br />{ <br />APPLY TACK COAT TO CONCRETE <br />PRIOR TO ASPHALT PAVING, <br />3' 1 2 5 4' <br />EXISTING CHANNEL <br />18" EXISTING CHANNEL —s <br />rr <br />EXISTING CHANNEL 4• <br />5' <br />18" LAYER TYPE L RIP -R P <br />3' LAYER TYPE M <br />RIP -RAP <br />ON -51TE MATERIALS MAY BE USED FOR <br />SUBGRADE FILL IF APPROVED BY THE <br />ENGINEER. THEY SHALL BE COMPACTED <br />TO 95A OF MAXIMUM DENSITY, AS <br />DETERMINED BY THE STANDARD MOISTURE/ <br />DENSITY TEST ASTM D698 (TYP.). <br />SECTION B -g <br />N. T. S. <br />r <br />3/4" CHAMFER (TYP.) i <br />BOX CULVERT <br />�I <br />W/ EXPOSED <br />REINFORCING STEEL <br />1, <br />4" ASPHALT PAVING. 1 #4 8!kkS (CONT. ENTIRE LENGTH OF HEADWALL) <br />#4 BARS 12" O.C., HOOPS <br />2" MIN. CLR. (TYP.) <br />#4 BARS (CONT. ,AROUND BOX OPENING) <br />8" <br />4" CHAMFER <br />REBAR ?ROM BOX CULVERT <br />TIE TO HEADWALL REBAR. <br />�� (( #4 BAPS (CONT. AROUND BOX OPENING) <br />7" - <br />REBAR FROM BOX CULVERT <br />e TIE TO REBAR FROM BOX CULVERT. <br />#4 BARS 12" O.C. <br />#'4 BARS, CONT. 3' 3" <br />ENTIRE LENGTH (MIN.) <br />OF TOEWALL c <br />#4 BARS (CONT. ENTIRE LENGTH OF TOEWALL) <br />DETAIL I <br />N.T.S. <br />BOX CULVERT <br />TOEN <br />SEE SECTIONvA -A FOR BEDDING FRG�AOI DETAILS. SECTIONS, <br />SECT [ON C -C <br />N.T.S. <br />e <br />) <br />ud �.nwei i <br />TIE TO REBAR <br />�— FROM BOX CULVERT <br />AND HEADWALL/TOEWALL <br />2" MIN. CLR. (TYP.) <br /># 4 BARS AT 12" O.C. <br />4 BARS AT 12" O.C. <br />DETAIL 2 <br />N. T. S. <br />1 <br />1 <br />J <br />.J <br />i <br />I <br />_I <br />I <br />L =PLAN SPECIFIED LENGTH <br />SECTIO E -E <br />N.T.S. <br />i <br />I <br />DETAILS <br />ST. VRAIN <br />LOW WATER CROSSING <br />LYONS PIT _ <br />LYONS, COLORADO <br />SCOTT, COX & ASSOCIATES, Lim, <br />. <br />surveyors <br />CD <br />— <br />_.R <br />. <br />\ <br />Colorado 80303 <br />COMPACTED SUBGRADE: <br />(303) 444 - 3051 <br />Designed by <br />ALL EXISTING VEGETATION MUST BE STRIPPED <br />Date <br />Scale Survey <br />Sheet 2 <br />PRIOR To SUBGRADE SCARIFYING AND RECOMPACTION. <br />/ <br />Drown by <br />JJB <br />9/19/95 <br />SUBGRA D EMATERIALS SHALL BE SCARIFI fD TO A MINIMUM <br />of 2 <br />9da7� <br />t99 <br />DEPTH OF 6 INCHES AND RECOMPACTED TO A MINIMUM <br />WHra <br />Revision <br />Descri tion <br />OF 95% OF MAXIMUM DENSITY, AS DETERMINED BY THE <br />n0. <br />'6" CLASS 6 ROAD BASE. COMPACTED <br />TO 95% <br />NOTED IMF THE ENGIINE DETERMINSESATHE D698 (TYP.). <br />OF MAXIMUM - DENSITY AS <br />APPLY TACK COAT TO CONCRETE <br />PRIOR TO ASPHALT PAVING. <br />DETERMINED BY THE STANDARD <br />MOISTURE TEST ASTM D696. <br />EXISTING SUBGRADE MATERIALS TO BE <br />UNACCEPTABLE, ALTERNATE MATERIALS <br />(TYP.) <br />SHALL BE USED FOR SUBGRADE. <br />4° ASPHALT PAVING <br />MATCH EXISTING ROAD <br />APPROXIMATE 1" SPACE <br />BETWEEN ADJACENT BOXES <br />SHALL BE <br />FILLED WITH <br />DRY, FINE SAND. <br />SEE SECTION A -A FOR ROADWAY SEC110N. 18 VOIDS FIL ED W/TYPE LONE <br />SEE PLAN FOR ROADWAY GRADES. <br />WIDTH RIP -RAP. <br />2k -%' <br />REGRADED CHANNEL BOTTOM <br />MATERIALS, COMPACTED TO <br />95% OF MAXIMUM DENSITY AS <br />DETERMINED BY THE STANDARD <br />MOISTURE /DENSITY TEST ASTM <br />D698. <br />NOTE: IF THE ENGINEER DETERMINES THE <br />EXISTING CHANNEL BOTTOM MATERIALS TO <br />BE UNACCEPTABLE, ALTERNATE MATERIALS <br />SHALL BE USED FOR SUBGRADE. <br />`— UNDISTURBED <br />JTT <br />EARTH (TYP.) <br />6' X 3' ASTM C -850 <br />PRECAST BOX CULVERT (TYP.) <br />ON -SITE MATERIALS MAY BE USED <br />FOR SUBGRADE FILL IF APPROVED <br />BY THE ENGINEER. THEY SHALL <br />BE COMPACTED TO 95% OF MAXIMUM <br />DENSITY, AS DETERMINED BY THE <br />STANDARD MOISTURE/DENSITY TEST <br />ASTM D698 (TYp,). <br />SECTION A-A <br />N.T.S. <br />{ <br />APPLY TACK COAT TO CONCRETE <br />PRIOR TO ASPHALT PAVING, <br />3' 1 2 5 4' <br />EXISTING CHANNEL <br />18" EXISTING CHANNEL —s <br />rr <br />EXISTING CHANNEL 4• <br />5' <br />18" LAYER TYPE L RIP -R P <br />3' LAYER TYPE M <br />RIP -RAP <br />ON -51TE MATERIALS MAY BE USED FOR <br />SUBGRADE FILL IF APPROVED BY THE <br />ENGINEER. THEY SHALL BE COMPACTED <br />TO 95A OF MAXIMUM DENSITY, AS <br />DETERMINED BY THE STANDARD MOISTURE/ <br />DENSITY TEST ASTM D698 (TYP.). <br />SECTION B -g <br />N. T. S. <br />r <br />3/4" CHAMFER (TYP.) i <br />BOX CULVERT <br />�I <br />W/ EXPOSED <br />REINFORCING STEEL <br />1, <br />4" ASPHALT PAVING. 1 #4 8!kkS (CONT. ENTIRE LENGTH OF HEADWALL) <br />#4 BARS 12" O.C., HOOPS <br />2" MIN. CLR. (TYP.) <br />#4 BARS (CONT. ,AROUND BOX OPENING) <br />8" <br />4" CHAMFER <br />REBAR ?ROM BOX CULVERT <br />TIE TO HEADWALL REBAR. <br />�� (( #4 BAPS (CONT. AROUND BOX OPENING) <br />7" - <br />REBAR FROM BOX CULVERT <br />e TIE TO REBAR FROM BOX CULVERT. <br />#4 BARS 12" O.C. <br />#'4 BARS, CONT. 3' 3" <br />ENTIRE LENGTH (MIN.) <br />OF TOEWALL c <br />#4 BARS (CONT. ENTIRE LENGTH OF TOEWALL) <br />DETAIL I <br />N.T.S. <br />BOX CULVERT <br />TOEN <br />SEE SECTIONvA -A FOR BEDDING FRG�AOI DETAILS. SECTIONS, <br />SECT [ON C -C <br />N.T.S. <br />e <br />) <br />ud �.nwei i <br />TIE TO REBAR <br />�— FROM BOX CULVERT <br />AND HEADWALL/TOEWALL <br />2" MIN. CLR. (TYP.) <br /># 4 BARS AT 12" O.C. <br />4 BARS AT 12" O.C. <br />DETAIL 2 <br />N. T. S. <br />1 <br />1 <br />J <br />.J <br />i <br />I <br />_I <br />I <br />L =PLAN SPECIFIED LENGTH <br />SECTIO E -E <br />N.T.S. <br />i <br />I <br />DETAILS <br />ST. VRAIN <br />LOW WATER CROSSING <br />LYONS PIT _ <br />LYONS, COLORADO <br />951271dq <br />i <br />r <br />SCOTT, COX & ASSOCIATES, Lim, <br />consulting engineers <br />surveyors <br />CD <br />— <br />_.R <br />1530 55th Street Boulder, <br />Colorado 80303 <br />(303) 444 - 3051 <br />Designed by <br />MP[) <br />Date <br />Scale Survey <br />Sheet 2 <br />Drowin <br />/ <br />Drown by <br />JJB <br />9/19/95 <br />Page <br />of 2 <br />9da7� <br />t99 <br />Checkerl by <br />WHra <br />Revision <br />Descri tion <br />Date <br />n0. <br />951271dq <br />i <br />r <br />