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5329 <br />�1 <br />ILDING <br />Al <br />BUILDING <br />A2 <br />BUILDING <br />C1 <br />!Fr '• <br />♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦♦ <br />1- ♦��• - - - .&._li�.&os <br />♦♦♦♦♦♦♦... <br />ENT <br />34. <br />1 <br />1 <br />-SAN SEWER MH <br />RIM =5324.80 <br />INV (N) =5315.551 <br />INV (5) =5315.65 <br />1 <br />1 <br />1 <br />O <br />La <br />GRATED INLET <br />RIM =5323.69 <br />INV (W) =5321.19 <br />INV (N) =5323.71 <br />SAN SEWER MH <br />RIM =5324.96 <br />INV (N) =5317.16 <br />INV (SW) =5317.26 <br />SAN SEWER MH <br />RIM =5325.06 <br />INV (N) =5320.16 <br />INV (SW) =5320.26 <br />1 <br />1 <br />1 <br />J <br />EN T <br />34.6 <br />ENT <br />34.E <br />ENT ENT <br />34.1 34.3 <br />v <br />28.61 X <br />SAN SEWER MH <br />RIM =5328.92 <br />INV (NE) =5319.67 <br />INV (W) =5319.77 <br />1 <br />SAN SEWER MH <br />RIM =5329.36 <br />INV (NE) =5322.71 <br />INV (W) =5322.81 <br />1 <br />i <br />BUILDING <br />C4 <br />28.32 X 28.0 <br />28 <br />28.60 28.35 <br />27.76 X <br />••♦ <br />8.07 27.81 <br />ENT <br />34.8 <br />X <br />ENT <br />34.8 <br />Y--71 <br />BUILDING <br />B4 <br />ENT <br />ENT <br />34.2 <br />X ill <br />BUILDING <br />B3 <br />rn <br />i <br />• <br />.4 <br />h <br />• <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />5305 <br />5 <br />LEGEND <br />EXISTING DECIDUOUS TREE <br />EXISTING PINE TREE <br />EXISTING CONTOUR <br />PROPOSED CONTOUR <br />ADD 5300 TO ALL CONTOURS <br />POINT WHERE PROPOSED GRADE <br />MEETS EXISTING GRADE <br />X 25'8 PROPOSED SPOT ELEVATION <br />ADD 5200 TO ALL SPOT ELEVATIONS <br />X25.8 <br />=> <br />A <br />EXISTING SPOT ELEVATION <br />HISTORIC SHEET FLOW <br />PROPOSED FLOW DIRECTION <br />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 />PROPOSED DETENTION <br />ST -0- ST PROPOSED STORM SEWER W/MANHOLE <br />2. <br />3. <br />KEYED NOTES 0 <br />PROPOSED UNDERGROUND DETENTION. <br />PROPOSED ABOVE GROUND DETENTION. <br />PROPOSED STORM SEWER. <br />4. EXPLORE OPTION FOR OFF-SITE DETENTION AT CITY OWNED <br />PROPERTY EAST OF EAST STREET. SUBJECT TO NEGOTIATIONS <br />WITH THE CITY OF LOUISVILLE. <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 />IMPERVIOUS AREAS, EXCEPT AS NOTED. <br />2. TOP OF FOUNDATION ELEVATION SHALL BE SET AT LEAST 8" ABOVE THE PROPOSED <br />GRADING AT THE EXTERIOR OF THE FOUNDATION AT LANDSCAPE AREAS. <br />3. ALL OF THE PROPERTY LIE WITHIN ZONE X. REFERENCE FIRM MAP NUMBER <br />0801300582J, MAP REVISED DECEMBER 18, 2012. <br />4. ALL CITY UTILITIES SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE CITY OF <br />BOULDER STANDARD SPECIFICATIONS. <br />5. THE LOCATION OF THE ABOVE GROUND UTILITIES SHOWN HEREON ARE BASED ON <br />THE TOPOGRAPHIC SURVEY BY SCOTT, COX AND ASSOCIATES ON 10/6/15. THE <br />LOCATIONS OF THE UNDERGROUND UTILITIES SHOWN HEREON ARE BASED ON SAID <br />SURVEY AND INFORMATION PROVIDED BY OTHERS (WHICH MAY INCLUDE THE UTILITY <br />OWNER OR UTILITY LOCATING SERVICES). SCOTT, COX & ASSOCIATES, INC. IS NOT <br />RESPONSIBLE FOR UTILITY INFORMATION PROVIDED BY OTHERS. SCOTT, COX & <br />ASSOCIATES, INC. RECOMMENDS THAT THE LOCATION OF THE UTILITIES BE FIELD <br />VERIFIED PRIOR TO ANY DIGGING ON, OR ADJACENT TO THE SUBJECT PROPERTY. <br />6. BENCH MARK: CITY OF LOUISVILLE LP2: ELEV.=5323.16' NAVD88. CONTOURS SHOWN <br />ARE FROM A GROUND SURVEY. <br />7. IF REQUIRED, ALL APPLICABLE CITY AND/OR STATE PERMITS PERTAINING TO THE <br />DISCHARGE OF GROUNDWATER MUST BE OBTAINED PRIOR TO PREPARATION OF <br />BUILDING PERMIT PLANS. <br />Scale: 1" = 30' <br />0 15 30 60 <br />N <br />10 <br />DRAWING NO. <br />0 <br />z <br />m <br />0 <br />049 <br />PROJECT # 15537B <br />DATE: a/1/16 <br />DRAWN BY: MRF <br />CHECKED BY: DPA <br />REVISIONS: <br />COPYRIGHT 2016 <br />All drawn and written information <br />duplicated disclosed or otherwise <br />appearing herein shall not be <br />used without written consent of <br />Hartronft Associates, p.c. <br />PRELIMINARY <br />GRADING, <br />DRAINAGE, AND <br />EROSION <br />CONTROL PLAN <br />Sheet <br />C1.01 <br />1 of 3 Sheets <br />