G- <br />0 <br />12 <br />G- <br />0 <br />1 1POINT OFCONNECTION TOSANITARY SEWERMAIN (EXISTING)EXISTING ON-SITESANITARY SEWERSYSTEM (TYP). NOCHANGES TO SITE ORPUBLIC SANITARYSEWER SYSTEMPROPOSED UNDERTHIS PROJECTPOINT OF CONNECTIONTO 12" WATER MAIN(EXISTING)EXISTING ON-SITEWATER AND FIREPROTECTION SYSTEM(TYP). NO CHANGES TOSITE OR PUBLIC WATERSYSTEM PROPOSEDUNDER THIS PROJECT.POINT OFCONNECTION TOSTORM MAIN(EXISTING)OUTFALL TOSTORM DRAINAGEDITCH (EXISTING)EXISTING ON-SITESTORM SYSTEM(TYP).(E) PUBLICDRAINAGEWAY &PUE TO REMAIN29.95'EXISTINGDRIVEWAY TOREMAIN30.91'EXISTINGDRIVEWAY TOREMAINSEE SHEET 1/A-101FOR DETAILS AND(N) IMPERVIOUSAREAS6' WIDE FILTERSTRIP USINGEXISTINGLANDSCAPING(E) PAVEMENT TOBE TREATEDIN-LIEU-OF (N)IMPERVIOUSAREAS1.NO IMPROVEMENTS WITHIN THE RIGHT-OF-WAY ARE PROPOSED.2.NO UTILITY POINTS OF CONNECTION TO PUBLIC MAINS WILL BEIMPACTED BY THE PROPOSED WORK.FILTER STRIPIMPERVIOUS AREAPROPOSED FOR IN-LIEU-OFTREATMENTNEW IMPERVIOUS AREAPROPERTY LINESHEET NOTESSHEET LEGENDEXISTING CONTOUR9.6791 FLOOD CONTROLTHE EXISTING SITE IS FULLY DEVELOPED WITH AN EXISTING PIPEDCONNECTION TO A PUBLIC STORM MAIN AS WELL AS AN EXISTINGOUTFALL TO THE NORTH BELTLINE FLOODWAY. RUNOFF FROM THENEW IMPERVIOUS AREAS WILL BE DIRECT TO THE PIPEDCONNECTION TO THE PUBLIC STORM MAIN. THE STORM MAIN IS NOTSHOWN AS HAVING HAVING INSUFFICIENT CAPACITY AT THE 10-YEARSTORM. THEREFORE, FLOOD CONTROL STANDARDS ARE METWITHOUT ADDITIONAL DETENTION OR RETENTION ON SITE.9.6792 STORMWATER QUALITYTHERE ARE TWO AREAS WITH NEW IMPERVIOUS SURFACE: BIKEPARKING WITH CONCRETE PADS AND THE EXTERIOR CLIMBING WALLWITH MAT AND HARDSCAPE IMPROVEMENTS. THERE IS A TOTAL OF8,351 SQUARE FEET OF NEW IMPERVIOUS SURFACE.THIS PROJECT WILL BE MEETING THE STORMWATER QUALITYREQUIREMENT THROUGH IN-LIEU-OF TREATMENT. A PORTION OF THEPARKING LOT SHEET DRAINS TO EXISTING LAWN AREA. THE EXISTINGLAWN WILL FUNCTION AS A 6' WIDE FILTER STRIP. SEE PLAN FORTREATED AREA AND FILTER STRIP LOCATION. PER THE SIM FORM,THE FILTER STRIP HAS BEEN SIZED WITH A 0.20 FACTOR. THE FINALLOCATION OF THE IN-LIEU TREATMENT AREA AND EXACT TREATMENTFACILITY WILL BE DETERMINED AT THE TIME OF BUILDING PERMIT.9.6793, 9.6794, 9.6795: FLOW CONTROL, OIL CONTROL, AND SOURCECONTROLSTHESE ITEMS DO NOT APPLY TO THE WORK PROPOSED UNDER THISPERMIT.STORMWATER NARRATIVERBA #:SET ISSUEP.I.C:PM / PA:DATESTAMPREV.DATEREVISIONS TO THIS SHEETOwnerProject NameProject AddressPROJECT TRACKINGCUP APPLICATION JULY 08, 2025NOT FOR CONSTRUCTIONDESCRIPTIONELEVATIONMOVEMENT LABC1013500 CHAD DRIVEEUGENE, OR 97408ELEVATION CLIMBINGGYM_SUMMEROAKSANNA BACKUSANNA BACKUS2526File: O:\c\p\2025\2500231-Elevation-Gym\CAD\PLOT\CUP\2500231-01CIV.dwg TAB:C101Plotted: 7/9/25 at 3:12pm By: ABackus <br />SCALE501 INCH = 50 FEET501000OREGONEXPIRATION DATE:12/31/202588168800 Willamette Street, Suite 400Eugene, OR 97401O: 541.684.4902F: 541.684.4909www.kpff.comFOR LAND USE PERMITTING ONLYNOT FOR CONSTRUCTIONCIVIL UTILITYPLAN