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Boulder County, CO 03715169 7 of 12 <br />LEGEND <br />1�p <br />111111 IJi1It! <br />I=1 I <br />TYPE R INLET <br />IIIIII!il1f1111• <br />17MI111 <br />11111I1IIYII <br />ordir 28 <br />5' STORM MH <br />5' TYPE R INLET <br />IllOhlil <br />co' <br />� <br />5326 <br />" RCP 0 <br />5' STOR <br />F O0'(*i8„ <br />LOOS' STREET <br />5' TYPE R INL <br />THE SE CORNER OF SECTION 8 <br />T1S R69W OF THE 6TH P.M. <br />FOUND 2 1/2" ALUMINUM CAP <br />IN A RANGE BOX <br />50% <br />PROPOSED 8" PVC <br />SLOPE TOP OF BOX TO MATCH SLOPE OF BERM <br />AND BURY IN HILL <br />TRASH RACK <br />PROPOSED BURIED COBBLE TRICKLE CHANNEL <br />OUTLET STRUCTURE DETAIL <br />SCALE: 1" = 5' <br />PROPOSED ACCESS RAMPS <br />AT HIGHWAY 42 AND LOCK STREET <br />SCALE: 1" = 10' <br />UCURE <br />goo <br />solos <br />too <br />two <br />2' <br />PROPOSED DRIVE RAMP REALIGNMENT <br />NORTH OF PROPERTY <br />' 5JO.5 " "'""'"" EXISTING CONTOUR <br />5 <br />PROPOSED CONTOUR <br />ADD 5300 TO ALL CONTOURS <br />• POINT WHERE PROPOSED GRADE <br />MEETS EXISTING GRADE <br />x 25.8 <br />X258 <br />Ei> <br />MIN MN IIIIII 1.111 <br />• r M MOM MN MUM r- <br />I- <br />U) <br />A <br />1 <br />PROPOSED SPOT ELEVATION <br />ADD 5200 TO ALL SPOT ELEVATIONS <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 MOM ST MINIM PROPOSED STORM SEWER W/MANHOLE <br />KEYED NOTES O <br />1. PROPOSED OFF —SITE FULL —SPECTRUM DETENTION. <br />2. PROPOSED BURIED COBBLE TRICKLE CHANNEL. <br />3. PROPOSED CONCRETE PAN. <br />4. PROPOSED EMERGENCY OVERFLOW SPILLWAY LOCATION. <br />SPILLWAY WILL BE SIZED TO ACCOMMODATE TWICE THE <br />DEVELOPED FLOWS FROM THE ENTIRE BASIN. <br />5. EXISTING STORM INLET AND PIPE TO BE REMOVED. <br />6. PROPOSED EAST STREET ROAD SECTION WITH 20' ASPHALT <br />WIDTH, CURB AND GUTTER ON WEST SIDE AND 2' GRAVEL <br />SHOULDER ON EAST SIDE. PROVIDE 5' DETACHED SIDEWALK AND <br />TREE LAWN ON WEST SIDE. <br />7. PROPOSED CROSSING AT HIGHWAY 42 AND LOCK STREET. SEE <br />DETAIL 2. <br />GRADING NOTES <br />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 />08013C0582J, MAP REVISED DECEMBER 18, 2012. <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 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 />1 <br />U) <br />A CH EXISTING EDGE OF <br />HALT AT POWER POLE <br />EXITING EDGE OF <br />ASPHALT <br />BEGIN REALIGNMENT OF EAST STREET <br />TO MATCH EXISTING CONDITIONS <br />PROPOSED CONNECTION TO EAST <br />STREET NORTH OF PROPERTY <br />SCALE: 1" = 30' <br />Scale: 1" = 30' <br />111111111111111111. <br />15 30 60 <br />U) 0 <br />C <br />o� <br />U <br />DRAWING NO. 15537C-3 <br />0 <br />n <br />t <br />0 <br />z <br />CO <br />0 <br />COMM • NS <br />z <br />W <br />vC <br />OCI <br />CO <br />W <br />Wp <br />V <br />I— <br />.�. W <br />Z--� <br />0Lin <br />Z <br />Z� <br />Q <br />PROJECT # 15537C <br />DATE: 10/2/11 <br />DRAWN BY: MRF <br />CHECKED BY: DPA <br />REVISIONS: FPG-51-10io2/11 <br />PPG-52-IV22/11- 192Cr53-v0548 <br />FFPG-58-1/5/I8 - IG-54-V26/18-2/T1/18 <br />GG - 3/20/I8 <br />COPYRIGHT 2017 <br />All drown 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 />FINAL <br />GRADING AND <br />DRAINAGE PLAN <br />Sheet <br />c1.01 <br />7 of 12 Sheets <br />