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7,0' <br />C REDUCER <br />a <br />5T❑RM <br />A 0 -IN. _-n/' b f— e%e%r—A 1-rMTek REDUCER <br />B` w <br />_ER <br />HP STORM <br />BERM NATIVE MATERIAL TO <br />GUIDE WATER TOWARDS CULVERT <br />(TYP,) <br />4,0' <br />SECTION A -A/ <br />4.2' � 5.0' <br />SECTION B -B/ <br />NOTES: <br />Cao E L `� ••'L <br />� 4123 <br />m <br />1, CONCRETE AND REBAR TO CONFORM TO CDOT STANDARD PLAN NO. M-601-10 <br />2, TRASH RACK TO CONFORM TO JEFFERSON COUNTY SPECS <br />2,1, MATERIALS,, ALL TRASHRACKS WILL BE CONSTRUCTED WITH SMOOTH STEEL PIPE WITH A MINIMUM 1.25 INCHES OUTSIDE DIAMETER, <br />TRASHRACK ENDS AND BRACINGS SHALL BE CONSTRUCTED WITH STEEL ANGLE SECTIONS, ALL TRASHRACK COMPONENTS WILL HAVE <br />A CORROSION PROTECTIVE FINISH, <br />22, TRASHRACK DESIGN,, THE TRASHRACKS WILL BE CONSTRUCTED WITHOUT CROSS -BRACES (IF POSSIBLE) IN ORDER TO MINIMIZE <br />DEBRIS CLOGGING, THE TRASHRACK WILL BE DESIGNED TO WITHSTAND THE FULL HYDRAULIC LOAD OF A COMPLETELY PLUGGED <br />TRASHRACK BASED ON THE HIGHEST ANTICIPATED DEPTH OF PONDING AT THE TRASHRACK, THE TRASHRACK WILL ALSO BE HINGED <br />AND REMOVABLE FOR MAINTENANCE PURPOSES, THE CLEAR OPENING AT THE BOTTOM SHOULD BE 9 TO 12 INCHES TO PERMIT <br />DEBRIS AT LOW FLOW TO G❑ THROUGH <br />2.3. BAR SPACING,. THE STEEL PIPE BARS WILL BE SPACED WITH A CLEAR OPENING OF 4� TO 5 INCHES, IN ADDITION THE ENTIRE <br />RACK WILL HAVE A MINIMUM CLEAR OPENING AREA (NORMAL TO THE RACK) AT THE DESIGN FLOW DEPTH OF FOUR TIMES THE <br />CULVERT OPENING AREA, <br />2,4, TRASHRACK SLOPE: THE TRASHRACK WILL HAVE A LONGITUDINAL, SLOPE OF NO STEEPER THAN 3 HORIZONTAL TO 1 VERTICAL FOR <br />MAINTENANCE PURPOSES, <br />DISCLAIMER TEXT: NORTH WASTE ROCK PILE DIVERSION PIPE - SHEET 5 <br />THIS DRAWING HAS BEEN PREPARED FOR THE USE OF ALEXCO WATER AND CONCRETE HEADWALL DETAILS <br />n <br />ENVIRONMENT INC,'S CLIENT, COLORADO LEGACY LAND, LLC AND MAY NOT BE USED, SCHWARTZWALDER MINE, <br />REPRODUCED OR RELIED UPON BY THIRD PARTIESa EXCEPT AS AGREED BY ALEXCO ALEXCO <br />GOLDEN COLORADO <br />COLORADO LEGACY LAND WATER AND ENVIRONMENT INC, AND COLORADO LEGACY LAND, LLC AS REQUIRED BYWATERTECHNICAL REVISION # 8 <br />6-10-2019 For DBMS Review C EW -- LAW OR FOR USE OF GOVERNMENTAL REVIEW AGENCIES, ALEXCO WATER AND 40 <br />5-22--2019 For DBMS Review B EW -- ENVIRONMENT INC ACCEPTS NO RESPCINSIBILITY, AND DENIES ANY LIABILITY <br />ENVIRONMENT MINE LAND RECLAMATION PERMIT --x.977-300 <br />4-23-2019 Draft for internal review A EW WHATSOEVER., TO ANY PARTY THAT MODIFIES THIS DRAWING WITHOUT ALEXCO WATER REVISION: C 6-17-19 PROJECT No.: SCHWARTZ. <br />AND ENVIRONMENT'S EXPRESS WRITTEN CONSENT <br />DATE ISSUE/REVISION No. DRW. APP. DRAWN BY: EW DESIGNED BY: SL REVIEWED BY: EB & BR <br />