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HomeMy WebLinkAboutD-403010SW 1/4 SEC. 29, TW 23 N, R. 5 W, W.M. 3 X N N 0 0 0 0 z w 0 U w w w 2 0 U 0 0 0 N 0 rn 0 0 0 0 H z w W m(D �hi U_ U F015 UU T T co co V M N N 00 N N • N SCALE 10 0 5 10 20 ( FEET ) 1 INCH = 10 FT. DRAWING BENSON RD S HdSV 'X3 P 0 P I ------- I:-- < w 0 O \ END OF PIPE N: 169,778.65 E: 1,301,882.91 EX. CULVERT OUTFALL (FULL OF SEDIMENT/POOR CONDITION) TOP OF SEDIMENT=371.93' IE 24" CMP=3�1.48' 370.36 S �J I Q 0 0 TEMPORARY 11 i 7 g CONSTRUCTION �\ 10 I` `` P = M EASEMENT/ 6 ,\ a �` �„ w CONSTRUCTION \ \\ N \ 1 C9 0 j J 5 z cc: o a % a o o i r r LIMITS \\ //'\\ \\ ,\ 0- \ Q Wcl- O J O o O \ \ 1 THIS AS -BUILT SURVEY WAS CONDUCTED ON NOVEMBER 5, 2024 \\`\\ \\`\ \�� \\�'`, \\`,� BY AMERICAN SURVEYING & ENVIRONMENTAL, LLC. THE -_ U INFORMATION MEASURED AND SHOWN HEREON WAS BASED UPON \ J CITY OF RENTON CONTROL POINT ID 0784. THIS POINT IS LOCATED AT THE INTERSECTION OF PUGET DRIVE SE & SE 19TH STREET. ELEVATION: 417.57 FEET NAVD 1988. i N: 172,240.0287 o----------, E: 1,304,611.8851 w N w NAD 83/91 ° wM PLAN SCALE IN FEET 20 10 5 0 0 1.25 2.5 3.75 1+20 380 J 370 - 365 1+00 o 00 I CENTER OF STRUCTURE _ N: 169,696.31 - 1 E: 1,301,871.92 EX. SDCB 136925 J o CB TYPE II �r RIM=3�B1i'r 378.28 ffi II IE 24" CMP (SE)=3�2..S'372.73 z IE 24" CMP (N)=3�2-9=+/-372.64 o BOTTOM=370.93' AS -BUILT o (3.5' BRICK ACCESS SHAFT AT TOP OF STRUCTURE. CANNOT SEE ANY OTHER STRUCTURES. 24" CMP N CONNECTION WAS VERIFIED.) I I HISN 'X3 It Hdsd X2 1 \\\ 1 z:7 ON00 'X3 S N N I m� II I o w U I I o � i m II :CD w o AS- I LT 2.75% I 83 LF± EX. 24" CMP @ 1.725� II I I I WATER V��VE OP OF i ` NUT ELEY� TION CHECK \ `\ MEASUR�p AT �373.15 FT N. 9,740.55�' E. 1,,3 1,851.87 J � G d L i � r � Z � Z T 2 0 0 ° I N I � ED z cl-gn �o "i \ _ W N A \ � z 0_ O � N J p \ \\ X O W N Q CD CD cn w rn X w I i Ei w � z D O w Q N O ^ cUl� >� Ln _ w o W � Z I 0+00 3DCB 136925 -0+25 L 380 O 00 � (V � N (D (fl 00 ti N C6 M I­ti co M M CM [- M 1+20 1+00 PROFILE 0+00 - 370 - 365 CONSTRUCTION KEYNOTES 1❑ SEE GENERAL NOTE 1. INSTALL TEMPORARY STORM WATER DIVERSION (IF NECESSARY) IN UPSTREAM STRUCTURE. 02 EXCAVATE AS NECESSARY TO REMOVE 24—INCH CMP PIPE FROM NORTH EDGE OF POWER VAULT TO OUTFALL. EXCAVATED AREA SHALL BE COVERED WITH METAL SHEET OR OTHER MATERIAL AS APPROVED BY ENGINEER AFTER WORKING HOURS. ❑ INSTALL 24—INCH CORRUGATED HIGH DENSITY POLYETHYLENE PIPE (CPE) VIA OPEN CUT METHOD WITH BEDDING AND BACKFILL PER CITY STD PLANS 220.10 AND 220.20 AND FERNCO COUPLING (OR APPROVED EQUAL) TO ATTACH TO EX. 24—INCH CMP. MATCH EX. OUTFALL LOCATION. 04 INSTALL 24—INCH CIPP LINER (MINIMUM 0.34—INCH THICKNESS) VIA TRENCHLESS METHOD WITHIN EX. 24—INCH CMP AND REPLACEMENT 24—INCH CPE FROM SDCB 136925 TO OUTLET OF REPLACED SECTION. O REMOVE TEMPORARY STORM WATER DIVERSION (IF NECESSARY) FROM UPSTREAM STRUCTURE AFTER CIPP LINING IS COMPLETE. 06 INSTALL SILT FENCING. SEE CITY STD PLAN 214.00. ❑7 RESTORE SITE, AS NECESSARY, INCLUDING REPLACING ANY DAMAGED VEGETATION, INSTALLING MIN. 9" OF TOPSOIL TYPE A, AND HYDROSEEDING AND/OR SODDING. ❑ INSTALL SHORING OR OTHER STABILIZATION METHODS APPROVED BY ENGINEER TO PREVENT UNDERMINING OF POWER VAULT. IF UNDERMINING OCCURS, CONTRACTOR SHALL BACKFILL WITH CDF. O9 REMOVE EXISTING WOOD DEBRIS. 10 INSTALL ROCK SPLASH PAD (MINIMUM 4'Wx8'Lx1'T) WITH FILTER FABRIC UNDER THE ROCK AT PIPE OUTFALL. 11 PROTECT FX. TREES AND PLANTS. GENERAL CONSTRUCTION NOTES 1. THIS DESIGN IS BASED ON DRY WEATHER CONSTRUCTION. IF TEMPORARY STORM WATER DIVERSION IS NECESSARY, CONTRACTOR SHALL SUBMIT TEMPORARY STORM WATER DIVERSION PLAN TO CITY FOR REVIEW AND APPROVAL PRIOR TO CONSTRUCTION. SEE SPECIFICATION SECTION 7-08.3(5) FOR APPROXIMATE 2—YEAR FLOW RATE AND TEMPORARY STORM WATER DIVERSION PLAN REQUIREMENTS. 2. RECOMMENDED CONSTRUCTION SEQUENCE 2.1. MATERIAL, TRAFFIC CONTROL PLAN, TEMPORARY STORM WATER DIVERSION PLAN (IF NECESSARY), AND POWER VAULT STABILIZATION PLAN SUBMITTALS 2.2. ATTEND PRE —CONSTRUCTION MEETING 2.3. CALL FOR UTILITY LOCATES 2.4. INSTALL TEMPORARY TRAFFIC CONTROL SIGNS 2.5. INSTALL SILT FENCE AND TEMPORARY STORM WATER DIVERSION (IF NECESSARY) 2.6. CCTV (PRE —CONSTRUCTION) EXISTING 24" STORM DRAIN PIPE 2.7. OPEN CUT REPLACEMENT OF DOWNSTREAM PORTION OF THE PIPE 2.8. BACKFILL OPEN CUT TRENCH 2.9. CIPP LINE PIPE 2.10. CCTV (POST —CONSTRUCTION) PROPOSED 24" STORM DRAIN PIPE 2.11. CONSTRUCT ROCK SPLASH PAD AT DOWNSTREAM OUTFALL 2.12. REMOVE SILT FENCE AND TEMPORARY STORM WATER DIVERSION (IF NECESSARY) 2.13. RESTORE SITE D-403010 APPROVED FOR COSTRUCTION 4; Know what's below. 07/20/23 Call before you dig. BY Troy Solly DATE Project Manager w� a ® O DAVID EVANS ANDASSOCIATES iNc. V LU O fL H Z LU 2 LU Ca LU G D 0 V+ H N co a_ U U7 Z U) o m � o � w w > Q w o 14432 SE Eastgate Way Suite 400 Bellevue, WA 98007 425.519.6500 W J LL (n Z O J F- W 0 � W O Z F- Q 0 Z Z Q Q J FOR CONSTRUCTION I PS R Cy FOF=AS 51063 0 llRFG/STER�� �ss�ONAL ENG CHECKED BY: CFCH/EH DESIGNED BY: CFCH/EH DRAWN BY: SYS/CFCH FIRST SUBMITTAL DATE: 05/05/22 PROJECT NO. RENT00001902 SHEET NO. 3 OF 3 3