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HomeMy WebLinkAbout25326 Sewer Extension Plans - APPROVEDW W W W W W W W W W W W W W W 60 . 0 0 TPN: 132304-9065 NODORA 13445 81ST AVE S SEATTLE 98178 /// /// /// /// /// /// /// /// /// /// /// /// /// /// /// W W W W CB #132457, TYPE I RIM EL=183.77 6"CPEP(NE)IE=182.82 6"CPEP(SE)IE=182.82 6"PVC(N)IE=182.42 12"CPEP(E)IE=180.97 CB #133946, TYPE I RIM EL=183.23 4"PVC(W)IE=180.49 12"CPEP(W)IE=180.47 12"PVC(E)IE=180.39 12"CMP(N)IE=180.32 CB #133945, TYPE I RIM EL=194.73 12"CMP(N)IE=191.68 12"CMP(S)IE=191.68 SSMH #0096 RIM EL=189.04 8"PVC(W)IE=181.96 8"PVC(N)IE=180.60 8"PVC(S)IE=175.68 SSCO #398 RIM EL=190.01 8"PVC(E)IE=182.71 FOUND REBAR AND CAP MARKED "CNW 40016" AT PROPERTY CORNER FOUND REBAR AND CAP MARKED "CNW 40016" AT PROPERTY CORNER SD SD SD SD SD SD SD SD SD SD SD SD SD SS SS SS SS SS W W AP P R O X W A T E R L I N E P E R A S B U I L T S 60 . 0 0 60 . 0 0 OA K E S D A L E A V E N U E S W 15' 15' N1 8 ° 0 8 ' 4 1 " E 3 1 0 . 5 0 TPN: 132304-9045 TPN: 132304-9067 PROJECT BENCHMARK EL=189.36 WATER LINE LOCATION PER C.O.R. ASBUILTS SS CONTRACTOR TO PLACE STORM DRAIN INLET PROTECTION (TYP) PER CITY OF RENTON STANDARD PLAN 216.30 ON SHEET C1.31 ON DOWSNTREAM CATCH BASINS AS NECESSARY 2-INCH GRIND AND OVERLAY PER CITY OF RENTON STANDARD PLAN 110 ON SHEET C1.31 EX 8 " D I W CONTRACTOR TO COVER OR BACKFILL TRENCH PRIOR TO LEAVING SITE SAW CUT LINE (TYP) 4.5' MIN. TRENCH WIDTH PER STD PLAN 110 & 405, SEE DETAILS ON SHEET C1.31 4.5 CONTRACTOR TO CHANNEL MANHOLE BOTTOM TO CONFORM WITH COR STD PLAN 400.1 & 400.6 ON SHEET C1.31. CONTRACTOR TO CHANNEL MANHOLE BOTTOM TO CONFORM WITH COR STD PLAN 400.1. 2-INCH TO 8-INCH GRIND AND OVERLAY PER CITY OF RENTON STANDARD PLAN 110 ON SHEET C1.31 10.0 10.0 REMOVE EXISTING COR CLEAN OUT 398 AND REPLACE WITH TYPE II 48-INCH MANHOLE PER COR 4-6-040(F)(5)(A). CONTRACTOR TO CHANNEL MANHOLE PER COR STD PLAN 400.1 & 400.6. SS SS 193.01 SS SS SS SS SS 8.3 5.0 PER DOE ORANGE BOOK C1-9.1.2 UNUSUAL CONDITIONS (PARALLEL), MINIMUM HORIZONTAL SEPARATION MAY BE REDUCED TO 5-FT. CONTRACTOR TO LOCATE AND VERIFY LOCATION OF WATER SERVICE LINES PRIOR TO INSTALLATION OF PROPOSED 8" PVC SANITARY SEWER MAIN N:178744.41 E:1294639.40 SSMH 1 N:178729.21 E:1294611.47 SSCO 1 N:178693.15 E:1294622.40 SSMH 2 6" IE 185.75 182 184 186 188 190 194 196 198 200 202 204 206 208 210 212 PLACE CLEANOUT DIRECTLY BEHIND ROW LINE, INSIDE CONCRETE BOX, PER DETAIL C406.1 ON SHEET C1.31 6" IE 182.73 45 DEGREE TEE 11.25 DEGREE BEND CONTRACTOR TO POTHOLE, AS NEEDED, PRIOR TO CONSTRUCTION TO VERIFY LOCATION OF EXISTING SIDE SEWER TO RE-ROUTE CONNECTION CONTRACTOR TO REMOVE 28 LF OF EXISTING SIDE SEWER SERVICE PIPE. CONTRACTOR TO RESTORE CURB, SIDEWALK, AND DRIVEWAY WITHIN TRENCH CUT TO PRE-CONSTRUCTION CONDITION OR BETTER. 22LF 6" PVC @ 0.0981 54LF 8" HDPE @ 0.0959 35 LF 6" PVC @ 0.0200 MINIMUM. 12.0 CONCRETE PILLAR WITH LIGHT ATOP CONCRETE WALL WITH 2' VBF ATOP ROCKERY DR I V E W A Y DR I V E W A Y DR I V E W A Y DRIVEWAY DRIVEWAY HORIZ. SCALE: 1"=20' VERT. SCALE: 1"=5' PROFILE OVER SIDE SEWER 180 190 200 180 190 200 EX 8" DI WATER MAIN CONTRACTOR TO POT HOLE AND VERIFY LOCATION OF EXISTING WATER MAIN PRIOR TO INSTALLING PROPOSED 8" PVC SEWER MAIN. CONTRACTOR TO CONNECT PROPOSED SIDE SEWER SERVICE LINE TO PROPOSED 8" PVC SEWER MAIN PER COR STD PLAN 406.1 ON SHEET C1.32 DE P T H = 3' ± N: 1 7 8 7 2 9 . 2 1 E: 1 2 9 4 6 1 1 . 4 7 RI M 1 9 3 . 8 7 SS C O 1 6" I E 1 8 7 . 8 8 ( E ) EXISTING GROUND VE R T . S E P . 2. 5 5 ' DE P T H = 5. 5 5 ' PROPOSED SIDE SEWER SERVICE 22LF 6" PVC @ 0.0981 END INVERT IE:185.49 PR O P E R T Y L I N E 8" SANITARY SEWER MAIN IE: 185.40 S W S U N S E T B L V D S 134T H S T PO W E L L A V E S W S 133R D P L RENTON AV E S EA R L I N G T O N A V E S W SW 3 R D P L SW SUNSET BLVD S 1 3 0 T H S T S 132ND ST ST E V E N S A V E S W HORIZ. SCALE: 1"=20' VERT. SCALE: 1"=5' PROFILE OVER SEWER MAIN 180 190 200 180 190 200 TY P E 1 - 4 8 " RI M 1 9 5 . 8 8 SS M H 1 8" I E 1 8 7 . 8 8 ( S ) TY P E 1 - 4 8 " RI M 1 8 9 . 8 9 SS M H 2 8" I E 1 8 2 . 7 0 ( N ) 8" I E 1 8 2 . 7 0 ( E ) PROPOSED 22 LF 6" PVC SIDE SEWER SERVICE @ 0.0981 END INVERT IE: 185.75 CONTRACTOR TO CONNECT PROPOSED SIDE SEWER SERVICE LINE TO PROPOSED 8" PVC SEWER MAIN PER COR STD PLAN 406.1 ON SHEET C1.32 CONTRACTOR TO INSTALL MANHOLE CONSISTENT WITH COR STD PLAN 400.1 ON SHEET C1.31. CONTRACTOR TO INSTALL MANHOLE CONSISTENT WITH COR STD PLAN 400.1 ON SHEET C1.31. CONTRACTOR TO CHANNEL MANHOLE BOTTOM TO CONFORM WITH COR STD PLAN 400.1 & 400.6. 54LF 8 " H D P E @ 0 . 0 9 5 9 EXISTING GROUND 6/ 3 / 2 0 2 6 5 : 1 9 P M FB A I N O T T I J: \ 2 0 2 5 \ 2 5 3 2 6 \ E N G I N E E R I N G \ F I N A L \ S H E E T S \ 2 5 3 2 6 C 1 . 0 1 . D W G C1 . 0 1 402010 20' 0 SCALE: 1" = VERTICAL DATUM NAVD88 PER GNSS OBSERVATIONS PROJECT BENCHMARKS SET NAIL IN SIDEWALK AT THE BACK OF CURB ON EASTERLY SIDE OF OAKESDALE AVENUE SW AS SHOWN HEREON. ELEVATION = 189.36 HORIZONTAL DATUM NAD83(2011) WSPC NORTH ZONE, PER GNSS OBSERVATIONS. BASIS OF BEARINGS N72°42'01"W BETWEEN THE TWO FOUND MONUMENTS, CITY OR RENTON MONUMENT NUMBERS 1215 AND 3120, IN THE CENTERLINE OF SW 3RD PLACE. CALCULATED PER REFERENCE 1, ROTATED FROM PLAT BEARINGS ONTO STATE PLANE COORDINATES PER GNSS OBSERVATIONS. REFERENCES 1.RECORD OF SURVEY RECORDED UNDER RECORDING NUMBER 20100507900013, RECORDS OF KING COUNTY, WASHINGTON. (USED TO CALCULATE MONUMENTS, ROAD CENTERLINES, RIGHT-OF-WAY AND BOUNDARY LINES) 81ST AVE SOUTH SEWER EXTENSION CITY OF RENTON, WASHINGTON UNDERGROUND LOCATOR SERVICE CALL BEFORE YOU DIG! 1-800-424-5555 SHEET INDEX C1.01 SEWER EXTENSION PLAN C1.02 TOPOGRAPHIC SURVEY C1.31 DETAILS AND NOTES APPLICANT HECTOR SALCIDO 1412 BIDWELL LN HUNTINGTON, MD 20639 CONTACT: HECTOR SALCIDO HECSALCI@YAHOO.COM 206-954-6185 CIVIL ENGINEER/SURVEYOR CORE DESIGN, INC 12100 NE 195TH ST, SUITE 300 BOTHELL, WA 98011 CONTACT: FLAVIO BAINOTTI FBAINOTTI@COREDESIGNINC.COM SEWER LEGEND SEWER PIPE SEWER SERVICE LINE SEWER MANHOLE SEWER FLOW ARROW PROPOSED SAW CUT LINE PROPOSED ASPHALT PROPOSED CONCRETE PROPOSED CATCH BASIN INLET PROTECTION PROPOSED 2-INCH HMA GRIND AND OVERLAY PROPOSED 2-INCH TO 6-INCH HMA REPLACEMENT SS SSSS VICINITY MAP 1"=1000' COVER SHEET 5/5/20261:20 NOTES 1.ALL PIPES WITH LESS THAN ONE AND A HALF (1.5) FEET OF VERTICAL SEPARATION SHALL HAVE ETHAFOAM, OR APPROVED EQUIVALENT, PLACED BETWEEN THE PIPES TO MAINTAIN SEPARATION. 2.CONTRACTOR TO VERIFY ELEVATION AND CONNECTION OF ALL UTILITIES (STORM, WATER, AND SEWER) AND NOTIFY ENGINEER OF SIGNIFICANT DIFFERENCES OR UTILITY CONFLICTS. 3.PRIOR TO CONSTRUCTION WORK, CONTRACTOR TO COORDINATE TEMPORARY SEWER SERVICE SHUTOFF WITH CITY OR RENTON SEWER DISTRICT. 4.CONTRACTOR TO PROVIDE A PLAN TO PROTECT EX WATER MAIN AT ALL TIMES. 5.SANITARY SEWER PIPES WHICH HAVE NON-STANDARD UTILITY SEPARATION SHALL BE PRESSURE-RATED HDPE (PE4710, DR13.5 OR BETTER) OR CLASS 52 DI PIPE (PRESSURE RATED 150 OR BETTER). WASTEWATER UTILITY STANDARD NOTES C1.01 1 S-439601 1.ALL WORK AND MATERIAL SHALL BE IN CONFORMANCE WITH THE STANDARDS AND SPECIFICATION OF THE CITY OF RENTON PUBLIC WORKS DEPARTMENT AND THE LATEST EDITION OF THE WSDOT/ APWA STANDARDS AND SPECIFICATIONS, AS APPROVED AND MODIFIED BY THE CITY OF RENTON STANDARD PLANS& SPECIFICATIONS. A SET OF APPROVED PLANS SHALL BE KEPT ON SITE AT ALL TIMES DURING CONSTRUCTION. 2.DATUM FOR VERTICAL CONTROL SHALL BE NORTH AMERICAN VERTICAL DATUM 1988. HORIZONTAL CONTROL SHALL BE NORTH AMERICAN DATUM 1983/ 1991 UNLESS OTHERWISE APPROVED BY THE CITY. BENCHMARKS AND MONUMENTS SHALL BE REFERENCED ON THE APPROVED PLANS. 3.A PRE- CONSTRUCTION CONFERENCE AND A 24- HOUR NOTICE SHALL BE REQUIRED PRIOR TO STARTING NEW CONSTRUCTION. IT SHALL BE THE CONTRACTOR' S RESPONSIBILITY TO SECURE ALL NECESSARY PERMITS, INCLUDING STREET USE PERMITS, PRIOR TO STARTING CONSTRUCTION. INSPECTION WILL BE ACCOMPLISHED BY A REPRESENTATIVE OF THE CITY. IT SHALL BE THE CONTRACTOR' S RESPONSIBILITY TO NOTIFY THE PUBLIC WORKS INSPECTOR 24 HOURS IN ADVANCE OF BACKFILLING ALL CONSTRUCTION. 4.THE HOURS OF WORK IN THE STREET RIGHT- OF- WAY SHALL BE PER CITY SPECIFICATIONS ON WEEKDAYS UNLESS OTHERWISE APPROVED IN WRITING BY THE PUBLIC WORKS DEPARTMENT. AN APPROVED TRAFFIC CONTROL PLAN MUST BE OBTAINED PRIOR TO BEGINNING ANY WORK WITHIN THE PUBLIC RIGHT- OF-WAY. 5.CONTRACTOR IS SOLELY RESPONSIBLE FOR THE MEANS, METHODS AND SEQUENCES OF CONSTRUCTION AND FOR THE SAFETY OF WORKERS AND OTHERS ON THE CONSTRUCTION SITE IN ACCORDANCE WITH LOCAL, STATE AND FEDERAL REQUIREMENTS. 6.ALL LOCATIONS OF EXISTING UTILITIES SHOWN ARE APPROXIMATE AND IT SHALL BE THE CONTRACTOR' S RESPONSIBILITY TO VERIFY THE TRUE AND CORRECT LOCATION SO AS TO AVOID DAMAGE OR DISTURBANCE. THE CONTRACTOR SHALL COMPLY WITH THE REQUIREMENTS OF RCW 19. 122. A DIG TICKET SHALL BE OBTAINED A MINIMUM OF TWO BUSINESS DAYS PRIOR TO STARTING ANY EXCAVATION. THE CONTRACTOR SHALL HAVE A COPY OF THE DIG TICKET ON SITE AT ALL TIMES. 7.BACKFILL SHALL BE PLACED EQUALLY ON BOTH SIDES OF THE PIPE IN LAYERS WITH A LOOSE AVERAGE DEPTH OF 12- INCHES, MAXIMUM DEPTH 18- INCHES, THOROUGHLY COMPACTING EACH LAYER TO 95 PERCENT OF MAXIMUM DENSITY. THESE COMPACTED LAYERS MUST EXTEND FOR ONE PIPE DIAMETER ON EACH SIDE OF THE PIPE OR TO THE SIDE OF THE TRENCH. MATERIALS TO COMPLETE THE FILL OVER THE PIPE SHALL BE EQUIVALENT TO BANK RUN GRAVEL FOR TRENCH BACKFILL( 9- 03. 19). 8.SANITARY SEWER PIPE SHALL BE POLYVINYL CHLORIDE( PVC) RUBBER- GASKETED ASTM D 3034, SDR 35, C900/ C905 OR DUCTILE IRON CLASS 50, UNLESS OTHERWISE APPROVED BY THE CITY. 9.SANITARY SEWER PIPES SHALL NOT BE LOCATED UNDER ANY STRUCTURE( WALL, BUILDING FOUNDATION, ETC.) UNLESS APPROVED BY THE CITY. IF A SANITARY SEWER IS TO BE LOCATED UNDER ANY STRUCTURE( WALL, BUILDING FOUNDATION, ETC.), IT SHALL BE DESIGNED BY A PROFESSIONAL ENGINEER LICENSED IN THE STATE OF WASHINGTON IN ACCORDANCE WITH STANDARD DETAIL 412. 10.OPEN- CUT ROAD CROSSINGS FOR UTILITY TRENCHES ON EXISTING TRAVELED ROADWAYS SHALL BE BACKFILLED WITH CRUSHED SURFACING AGGREGATE( WSDOT SPECIFICATION 9-03. 9( 3) AND MECHANICALLY COMPACTED UNLESS OTHERWISE APPROVED BY THE CITY. 11.ALL PIPE AND APPURTENANCES SHALL BE LAID ON A PROPERLY PREPARED FOUNDATION IN ACCORDANCE WITH THE STANDARDS AND SPECIFICATION OF THE CITY AND THE LATEST EDITION OF THE WSDOT/ APWA STANDARDS AND SPECIFICATION AS APPROVED AND MODIFIED BY THE CITY IN THE RENTON STANDARD PLANS& SPECIFICATIONS. THIS SHALL INCLUDE NECESSARY LEVELING OF THE TRENCH BOTTOM OR THE TOP OF THE FOUNDATION MATERIAL TO A UNIFORM GRADE SO THAT THE ENTIRE LENGTH OF THE PIPE WILL BE SUPPORTED ON A UNIFORMLY DENSE, UNYIELDING BASE. PIPE BEDDING SHALL BE IN ACCORDANCE WITH STANDARD PLAN 405. 12.ALL DISTURBED AREAS SHALL BE SEEDED AND MULCHED OR OTHERWISE STABILIZED TO THE SATISFACTION OF THE CITY FOR THE PREVENTION OF ON- SITE EROSION BOTH DURING CONSTRUCTION AND AFTER THE COMPLETION OF CONSTRUCTION IN ACCORDANCE WITH THE CURRENT SURFACE WATER DESIGN MANUAL. 13.THE CONTRACTOR SHALL PROVIDE THE CITY OF RENTON WITH A RECORD DRAWING OF THE SANITARY SEWER SYSTEM WHICH HAS BEEN STAMPED AND SIGNED BY A LICENSED PROFESSIONAL ENGINEER OR LICENSED PROFESSIONAL SURVEYOR. OWNER ADELA NODORA 13445 81ST AVE S SEATTLE, WA 98178 CONTACT: ADELA NODORA AON0918@YAHOO.COM 408-373-4922 IN COMPLIANCE WITH CITY OF RENTON STANDARDS 81ST AVENUE SOUTH SEWER EXTENSION - RENTON 81 S T A V E N U E S O U T H S E W E R E X T E N S I O N - R E N T O N CORE DESIGN, INC. - A SANBELL COMPANY JACK SHONKA, EIT JACK SHONKA, EIT FLAVIO BAINOTTI MICHAEL A. MOODY, PE 13445 81ST AVE SOUTH, RENTON, WA 98178 3 DESIGN 12100 NE 195th St, Suite 300 Bothell, Washington 98011 425.885.7877 CIVIL ENGINEERING LANDSCAPE ARCHITECTURE PLANNING SURVEYING PROJECT NO. 25326 WW P - 2 7 - 4 3 9 6 C2 6 0 0 0 9 4 3 SITE PER CITY OF RENTON STANDARD PLAN 413 DEVELOPMENT ENGINEERING HBray 06/04/2026 WASTEWATER UTILITY Mbenoit 06/04/2026 WATER UTILITY JValdez 06/04/2026 W W W W W W W W W W W W W W W 60 . 0 0 TPN: 132304-9065 NODORA 13445 81ST AVE S SEATTLE 98178 /// /// /// /// /// /// /// /// /// /// /// /// /// /// /// W W W W CB #132457, TYPE I RIM EL=183.77 6"CPEP(NE)IE=182.82 6"CPEP(SE)IE=182.82 6"PVC(N)IE=182.42 12"CPEP(E)IE=180.97 CB #133946, TYPE I RIM EL=183.23 4"PVC(W)IE=180.49 12"CPEP(W)IE=180.47 12"PVC(E)IE=180.39 12"CMP(N)IE=180.32 CB #133945, TYPE I RIM EL=194.73 12"CMP(N)IE=191.68 12"CMP(S)IE=191.68 SSMH #0096 RIM EL=189.04 8"PVC(W)IE=181.96 8"PVC(N)IE=180.60 8"PVC(S)IE=175.68 SSCO #398 RIM EL=190.01 8"PVC(E)IE=182.71 FOUND REBAR AND CAP MARKED "CNW 40016" AT PROPERTY CORNER FOUND REBAR AND CAP MARKED "CNW 40016" AT PROPERTY CORNER SD SD SD SD SD SD SD SD SD SD SD SD SD SS SS SS SS SS CONCRETE PILLAR WITH LIGHT ATOP CONCRETE WALL WITH 2' VBF ATOP W AP P R O X W A T E R L I N E P E R A S B U I L T S 60 . 0 0 60 . 0 0 ROCKERY OA K E S D A L E A V E N U E S W 190 200 210 182 184 186 188 192 194 196 198 202 204 206 208 212 15' 15' N18 ° 0 8 ' 4 1 " E 3 1 0 . 5 0 TPN: 132304-9045 TPN: 132304-9067 DR I V E W A Y DR I V E W A Y DR I V E W A Y PROJECT BENCHMARK EL=189.36 WATER LINE LOCATION PER C.O.R. ASBUILTS SS DRIVEWAY DRIVEWAY SW 3 R D P L A C E PO W E L L A V E N U E S W N71°4 2 ' 0 1 " W 3 2 5 . 0 0 N1 8 ° 1 7 ' 5 9 " E FOUND MONUMENT IN CASE, W/ 3" BRASS DISC, W/ PUNCH, DOWN 0.6' C.O.R. MONUMENT NUMBER 3120 TH O M A S A V E N U E S W BASIS O F B E A R I N G S N71°4 2 ' 0 1 " W 6 1 9 . 9 9 R E F . 1 ( 6 2 0 . 0 1 M E A S . ) N1 8 ° 1 7 ' 5 9 " E FOUND MONUMENT IN CASE, W/ 3" BRASS DISC, W/ PUNCH, DOWN 0.6' C.O.R. MONUMENT NUMBER 1215 0 SCALE: 1" = 402010 20' LEGEND SS SD W WATER PIPE STORM DRAINAGE PIPE SEWER PIPE FOUND SURVEY MONUMENT, AS NOTED FOUND SURVEY MARKER, AS NOTED SEWER MANHOLE SEWER CLEANOUT YARD LIGHT WATER METER WATER VALVE FIRE HYDRANT CATCH BASIN TYPE I EDGE OF ASPHALT CONCRETE ROCKERY ASPHALT ////// ////// ////// VERTICAL DATUM NAVD88 PER GNSS OBSERVATIONS. HORIZONTAL DATUM NAD83(2011) WSPC NORTH ZONE, PER GNSS OBSERVATIONS. PROJECT BENCHMARK SET NAIL IN SIDEWALK AT THE BACK OF CURB ON EASTERLY SIDE OF OAKESDALE AVENUE SW AS SHOWN HEREON. ELEVATION = 189.36 BASIS OF BEARINGS N72°42'01"W BETWEEN THE TWO FOUND MONUMENTS, CITY OR RENTON MONUMENT NUMBERS 1215 AND 3120, IN THE CENTERLINE OF SW 3RD PLACE. CALCULATED PER REFERENCE 1, ROTATED FROM PLAT BEARINGS ONTO STATE PLANE COORDINATES PER GNSS OBSERVATIONS. REFERENCES 1.RECORD OF SURVEY RECORDED UNDER RECORDING NUMBER 20100507900013, RECORDS OF KING COUNTY, WASHINGTON. (USED TO CALCULATE MONUMENTS, ROAD CENTERLINES, RIGHT-OF-WAY AND BOUNDARY LINES) NOTES 1.THIS SURVEY REPRESENTS VISIBLE PHYSICAL IMPROVEMENT CONDITIONS EXISTING ON JANUARY 19, 2026. ALL SURVEY CONTROL INDICATED AS "FOUND" WAS RECOVERED FOR THIS PROJECT IN JANUARY, 2026. 2.ALL DISTANCES ARE IN US FEET AT GROUND LEVEL. 3.CONTOUR INTERVAL = 2 FEET. 4.ELEVATION AND/OR CONTOUR INFORMATION SHOWN HEREON IS GENERATED FROM DIRECT FIELD OBSERVATION. SAID INFORMATION MEETS US NATIONAL MAPPING STANDARDS AND IS ACCURATE TO WITHIN ONE-HALF THE CONTOUR INTERVAL. 5.BOUNDARY INFORMATION SHOWN HEREON IS DERIVED FROM OBSERVATION OF CONTROLLING MONUMENTATION AND INTERPRETATION OF RECORD DESCRIPTIONS AND OTHER EVIDENCE. TOPOGRAPHIC INFORMATION SHOWN HEREON IS RELATED TO THE BOUNDARY BY DIRECT FIELD OBSERVATION FROM CONTROLLING MONUMENTATION. 6.THIS IS A FIELD TRAVERSE SURVEY. A THREE SECOND COMBINED ELECTRONIC TOTAL STATION [AND GPS/GNSS UNIT WITH OPUS/WSRN CORRECTIONS] WAS [WERE] USED TO MEASURE THE ANGULAR AND DISTANCE RELATIONSHIPS BETWEEN THE CONTROLLING MONUMENTATION AS SHOWN. CLOSURE RATIOS OF THE TRAVERSE MET OR EXCEEDED THOSE SPECIFIED IN WAC 332-130-090. ALL MEASURING INSTRUMENTS AND EQUIPMENT ARE MAINTAINED IN ADJUSTMENT ACCORDING TO MANUFACTURER'S SPECIFICATIONS. 7.UTILITIES OTHER THAN THOSE SHOWN MAY EXIST ON THIS SITE. ONLY THOSE UTILITIES WITH EVIDENCE OF THEIR INSTALLATION VISIBLE AT GROUND SURFACE OR AS MARKED BY 811 OR OTHER UTILITY LOCATING PROVIDERS ARE SHOWN HEREON. UNDERGROUND UTILITY LOCATIONS SHOWN ARE APPROXIMATE ONLY. UNDERGROUND CONNECTIONS ARE SHOWN AS STRAIGHT LINES BETWEEN SURFACE EVIDENCE OF UTILITY LOCATIONS BUT MAY CONTAIN BENDS OR CURVES NOT SHOWN. SOME UNDERGROUND LOCATIONS SHOWN HEREON MAY HAVE BEEN TAKEN FROM PUBLIC RECORDS. CLIENT UNDERSTANDS THAT CORE DESIGN ASSUMES NO LIABILITY FOR THE ACCURACY OF PUBLIC RECORDS OR PAINTED UTILITY LOCATIONS. 1-22-26 IN COMPLIANCE WITH CITY OF RENTON STANDARDS 81ST AVENUE SOUTH SEWER EXTENSION - RENTON 81 S T A V E N U E S O U T H S E W E R E X T E N S I O N - R E N T O N CORE DESIGN, INC. - A SANBELL COMPANY JACK SHONKA, EIT JACK SHONKA, EIT FLAVIO BAINOTTI MICHAEL A. MOODY, PE 13445 81ST AVE SOUTH, RENTON, WA 98178 3 DESIGN 12100 NE 195th St, Suite 300 Bothell, Washington 98011 425.885.7877 CIVIL ENGINEERING LANDSCAPE ARCHITECTURE PLANNING SURVEYING PROJECT NO. 25326 WW P - 2 7 - 4 3 9 6 C2 6 0 0 0 9 4 3 TOPOGRAPHICAL SURVEY 1/28/2026 C1.02 S-439602 2 DEVELOPMENT ENGINEERING HBray 06/04/2026 WASTEWATER UTILITY Mbenoit 06/04/2026 WATER UTILITY JValdez 06/04/2026 6/ 3 / 2 0 2 6 5 : 1 8 P M BR A W L I N S O N J: \ 2 0 2 5 \ 2 5 3 2 6 \ E N G I N E E R I N G \ F I N A L \ S H E E T S \ 2 5 3 2 6 C 1 . 3 1 . D W G C1 . 3 1 S-439603 IN COMPLIANCE WITH CITY OF RENTON STANDARDS 81ST AVENUE SOUTH SEWER EXTENSION - RENTON 81 S T A V E N U E S O U T H S E W E R E X T E N S I O N - R E N T O N CORE DESIGN, INC. - A SANBELL COMPANY JACK SHONKA, EIT JACK SHONKA, EIT FLAVIO BAINOTTI MICHAEL A. MOODY, PE 13445 81ST AVE SOUTH, RENTON, WA 98178 3 DESIGN 12100 NE 195th St, Suite 300 Bothell, Washington 98011 425.885.7877 CIVIL ENGINEERING LANDSCAPE ARCHITECTURE PLANNING SURVEYING PROJECT NO. 25326 WW P - 2 7 - 4 3 9 6 C2 6 0 0 0 9 4 3 DETAILS AND NOTES 1/28/2026 C1.31 3 DEVELOPMENT ENGINEERING HBray 06/04/2026 WASTEWATER UTILITY Mbenoit 06/04/2026