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Boulder County, CO <br />03995275 <br />6of7 <br />\ <br />&-N7 <br />i <br />• <br />i <br />i <br />( <br />.3&221• EX r2 - <br />,36t,cit EX /Z <br />.T8 6,5E EX fZ <br />39 Qt £X F1 „ <br />- 4 I1�1 <br />V" <br />= = <br />• <br />• <br />LOT 10 <br />` 31 <br />LOT 7 <br />(N89 43.15"E 150.43' R) <br />�— Po�-� Po pa <br />_—Po <br />rr— �a <br />ID <br />co <br />Obi <br />cn <br />EX vl <br />Pul <br />0 V/ <br />LOT 3 <br />G <br />Pu <br />Po <br />• <br />• <br />• <br />txt <br />(R) <br />(M) <br />Po <br />LEGEND <br />EXISTING CONTOUR <br />SET #5 REBAR WITH 1* RED PLASTIC CAP <br />SET NAIL AND 3/4* BRASS TAG <br />FOUND MONUMENT AS NOTED <br />EXISTING BCCLARD <br />EXISTING ELECTRIC METER <br />EXISTING WATER VALVE <br />EXISTING CLEANOUT <br />EXISTING GAS METER <br />EXISTING WATER METER <br />CONTROL POINT <br />EXISTING POWER POLE <br />EXISTING LIGHT POLE <br />EXISTING FIRE HYDRANT <br />EXISTING SPIGOT <br />EXISTING FENCE <br />EXISTING UNDERGROUND POWER LINE <br />EXISTING OWRHEAD POWER LINE <br />EXISTING GAS LINE <br />EXISTING SANITARY SEWER W/MANHOLE <br />RECORD COURSE <br />MEASURED COURSE PER THIS SURVEY <br />LOT 4 25 PROPOSED CONTOUR <br />ADD 5300 TO ALL CONTOURS <br />LOT 5 <br />Scale: 1" = 10' <br />0 5 10 20 <br />LOT 6 <br />FLOW <br /><] <br />IN MI IN IN IN ME Ili ME MB ME IN <br />HD.32 <br />FF <br />• <br />x 25.8 <br />POINT WHERE PROPOSED GRADE <br />MEETS EXISTING GRADE <br />PROPOSED SPOT ELEVATION <br />ADD 5300 TO ALL SPOT ELEVATIONS <br />EXISTING SPOT ELEVATION <br />HISTORIC SHEET FLOW <br />PROPOSED FLOW DIRECTION <br />INN I NI I MN I I= DRAINAGE BASIN BOUNDARY (HISTORIC) <br />PROPOSED BASIN BOUNDARY <br />SUB —BASIN DESIGNATION (HISTORIC) <br />AREA IN ACRES <br />PROPOSED SUB —BASIN DESIGNATION <br />AREA IN ACRES <br />FINISHED FLOOR ELEVATION <br />KEYED NOTES 0 <br />1. EDGE OF CONCRETE RAMP SHALL BE 1" MINIMUM ABOVE ASPHALT ALLEY <br />PAVEMENT. PROVIDE ASPHALT PATCH IN ALLEY ADJACENT TO NEW <br />CONCRETE. <br />2. PROPOSED SIDEWALK AT 2% MAX. CROSS SLOPE. <br />3. PROPOSED ROOF DOMISPOUT DRAIN THROUGH WATER QUALITY LANDSCAPE <br />ISLAND/GREEN ROOF. PROPOSED ROOF DOWNSPOUT DRAIN THROUGH WATER <br />DUALITY LANDSCAPE ISLAND/GREEN ROOF. ALL ROOF DRAINAGE WALL FILTER <br />11-IROUGH WATER QUALITY AREAS WITH THE EXCEPTION OF THE SECOND <br />LEVEL WEST TERRACE. <br />4. DRAIN TO STORM INLET AT PINE AND FRONT STREET. <br />5. DRAINS TO STORM INLET AT ALLEY AND SPRUCE STREET. <br />6. MAIN STREET WALK ADJACENT THE SITE WILL BE REPLACED WITFI THIS <br />PROJECT. <br />GRADING NOTES <br />1. GRADE AWAY FROM BUILDINGS AT A MINIMUM 10% SLOPE IN THE FIRST 10 FEET AT <br />LANDSCAPE AREAS AND AT A MINIMUM 2% SLOPE IN THE FIRST 10 FEET AT <br />IMPER'vlOUS AREAS, EXCEPT AS NOTED. <br />2. TOP OF FOUNDATION ELEVATION SHALL BE SET AT LEAST ir ABOVE THE PROPOSED <br />GRADING AT THE EXTERIOR OF THE FOUNDATION AT LANDSCAPE AREAS. <br />3. FLOOD PLAIN DESIGNATION OF THE SURVEYED PROPERTY PER FIRM MAP NUMBER <br />08013C-0582J, MAP REVISED DECEMBER 18, 2012 IS ZONE X, BEING AREAS <br />DETERMINED TO BE OUTSIDE THE 0.2% ANNUAL CHANCE FLOODPLAIN. <br />4. ALL CITY UTILITIES SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE CITY OF <br />LOUISVILLE STANDARD SPECIFICATIONS. <br />5. THE LOCATION OF THE ABOVE GROUND UTILITIES SHOWN HEREON ARE BASED ON <br />THE TOPOGRAPHIC SURVEY BY SCOTT, COX & ASSOCIATES. INC. COMPLETED ON <br />SEPTEMBER 26, 2017. THE LOCATIONS OF THE UNDERGROUND UTILITIES SHOWN <br />HEREON ARE BASED ON SAID SURVEY AND INFORMATION PROVIDED BY OTHERS <br />(WHICH MAY INCLUDE THE UTILITY OWNER OR UTIUTY LOCATING SERVICES). SCOTT, <br />COX & ASSOCIATES, INC. IS NOT RESPONSIBLE FOR UTILITY INFORMATION PROVIDED <br />BY OTHERS. SCOTT, COX & ASSOCIATES. INC. RECOMMENDS THAT THE LOCATION OF <br />THE UTILITIES BE nal) VERIFIED PRIOR TO ANY DIGGING ON, OR ADJACENT TO THE <br />SUBJECT PROPERTY. <br />6. ORIGIN BENCHMARK: CITV' OF LOUISVIU_E BENCHMARK LP5 BEING THE CENTER EAST <br />FOUND IN A RANGE BOX 16.8' NORTH OF SOUTH FLOWLINE OF SOUTH ST_ NCRTH OF <br />624 SOUTH ST. ELEVATION = 5349.49' NAVD88. SITE BENCHMARK: TOP OF A 1 <br />1/2" ALUMINUM CAP LOCATED AT THE NE CORNER OF LOT 9. (AS SHOWN HEREON). <br />CONTOURS SHOWN ARE FROM A GROUND SURVEY. <br />7_ IF REQUIRED. ALL APPUCABLE CITY AND/OR STATE PERMITS PERTAINING TO THE <br />DISCHARGE OF GROUNDWATER MUST BE OBTAINED PRIOR TO PREPARATION OF <br />BUILDING PERMIT PLANS <br />8. A FINAL STORMWATER PLAN AND REPORT IS REQUIRED BY THE CITY OF LOUISVILLE <br />PRIOR TO ISSUANCE OF A BUILDING PERMIT. <br />9. PARKING GARAGE DRAINS SHALL BE ROUTED THROUGH SAND AND OIL SEPARATORS <br />PRIOR TO DISCHARGE TO THE SANITARY SEWER SYSTEM. <br />0" <br />r3 ii44 <br />§ i 5 <br />DRAWING NO. 17271E-1 <br />JOB NO. 17271B <br />0 <br />cr) u <br />0 <br />0 d <br />c) LLX <br />2 LLIJ <br />co 0 0 <br />z t <br />cif) , v) <br />< f= <br />u on <br />ou" 121. <br />LCSI ON <br />co <br />0 ci.) <br />co <br />9 <br />PROJECT # 1451 <br />DATE <br />DRAWN BY: aks <br />CHECKED BY: WA <br />partkirpc-si - 12/27/ri <br />COPYRIGHT 2017 <br />All drawn and written information <br />dupicated disclosed or otherwise <br />appearing herein shall not be <br />used without written consent of <br />liartronft Associates, p.c. <br />GRADING <br />DRAINAGE AND <br />EROSION <br />CONTROL PLAN <br />Sheet <br />C1.01 <br />6 of 7 Sheets <br />