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Home My WebLink AboutTED4003442.4NE 1 /4 OF SECTION 10, TOWNSHIP 23N, RANGE 5E, W.M. 1 0- so I mikiL I[ 10421:4491L z rr w 0 0 z O � O LU LL W i 0 0 m 14 (r7.&O CB 8 STA. 68.99 1 f.96L LT. (VANED GRATE) 3 -).tP STA. 3@+--09 63- OU TFALL I E f 411.00; 12" HDPE ® ±16.5% ® OUTFALL INSTALL INTERNAL RING ENERGY in DISSIPATOR AND RIP RAP PAD, SEE SHEET C9 FOR DETAIL 466 LXWxHXT = 12x7x2x2 - - - 464 P13 - - -- -- --- _ 45412 - 13 _ \460 '1-- 4 52 Sri I CB 10 14 � A � CHANEL CB, NO SUMP CP 15 STA. 31+49.99 _ _'0.44 15' PRIVATE STORM 6" PERFORATED LOT STORM STUB { SOLID LOCKING LID NO. 2006 3ER E 3002001 MENT C AND MARKER; 2.00%,MIN. SLOPE (TYP) I 1 " PRIVATE STORM WATER WATER/SD CROSSING \ / ' \ CONTRACTOR TO POTHOLE Z { I i` 2oo6o3EASEMEN3 o196oT REC. No. AND NOTIFY ENGINEER OF ELEVATION PRIOR TO I - -- 466 AVOID EXISTING TREES WITH STARTING CONSTRUCTION. CB 5 10 ABOVE GROUND PIPE (TYP.) �_w. STA. 21+51.91 112.76 LT. g- - - 456 - -- UPSTREAM BYPASS LIN Q CP (VANED GRATE) STA. 103 _._ I TA. 23+76.91 112.76' L � 11 I I (VANED GRATE) 462 - - - ---- -- 458 - _- 454 0- CB 1, E 2-48" �- --- 1 I- - - - STA. Q5+44.16 7.38= LT. 10' PRIVATE JOINT- -46p STORM DRAINAGE EASEMENT 2 I I 2 � _(VANE .GRATE) UTILITY 462 --- (�T - 468 - --- - - 4--- -- - - 5 a I ZS♦4+4( + EASEMENT " - STORM ON TDRAINAGE VAULTS 10 AND 11 OVER I I I 6 7 � - -_ - - -- 464 - 0 24 ACCESS RISER (TYP.) - 8 CB 3, TYPE 2-48" - 466 - 20' JOINT USE DRIVEWAY CS e-ft' LT. UTILITIES 20' JOINT USE DRIVEWA _ - T 5' X 10' REMOVABLE LOCKING GRATE 1 (VANED GRATE f EASEMENT; ACCESS 23f7�Ob %s9� & UTILITIES EASEMENT; 0 TO LOTS 12 & 1.3, I ACCESS TO LOTS 14 & 1 _ • 10' PRIVATE JOINT 16' PAVED � • --- - - - - - - 1 . 16' PAVED FG OVER' ADS BAYFILTER VAULT, 5'x5' UTILITYI I P1 1 ACCESS EASEMENT � 10' PRIVATE JOINT ' ' Q`b ° VAULT: 463.5 WITH 2 CARTRIDGES 4�0 - - - _ - - I 10' PRIVATE JOINT UTILITY I „ - - - - - - � SEE SHEET C10 FOR DETAIL EASEMENT L - - - - - -� UTILITY \ ° ° I EASEMENT \ _ { �- - - - - - , STA. 9+75.90 15.09' LT. 7 LF 12" DI O 2.00% (P9) DISCHARGE TO EXISTING DITCH, IE 464.80 fA8 LINE EX. DITCH WITH QUARRY SPALLS CB 7 STA. 9+65.37 23.00' LT. SOLID LOCKING LID SURFACE WATER DRAINAGE NOTES AND SPECIFICATIONS 1. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE -CONSTRUCTION MEETING MUST BE HELD WITH THE CITY OF RENTON PLAN REVIEWER. 2. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE 1996 STANDARD SPECIFICATIONS FOR ROAD, BRIDGE AND MUNICIPAL CONSTRUCTION PREPARED BY WSDOT AND THE AMERICAN PUBLIC WORKS ASSOCIATION (APWA), AS AMENDED BY THE CITY OF RENTON PUBLIC WORKS DEPARTMENT. 3. THE SURFACE WATER DRAINAGE SYSTEM SHALL BE CONSTRUCTED ACCORDING TO THE APPROVED PLANS, WHICH ARE ON FILE IN THE PUBLIC WORKS DEPARTMENT. ANY DEVIATION FROM THE APPROVED PLANS WILL REQUIRE WRITTEN APPROVAL FROM THE CITY OF RENTON PUBLIC WORKS DEPARTMENT, SURFACE WATER UTILITY SECTION. 4. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS. 5. DATUM SHALL BE NAVD 88 UNLESS OTHERWISE APPROVED BY THE CITY OF RENTON PUBLIC WORKS DEPARTMENT. REFERENCE BENCHMARK AND ELEVATIONS ARE NOTED ON THE PLANS. 6. ALL SEDIMENTATION/EROSION FACILITIES MUST BE IN OPERATION PRIOR TO CLEARING AND BUILDING CONSTRUCTION, AND THEY MUST BE SATISFACTORILY MAINTAINED UNTIL CONSTRUCTION IS COMPLETED AND THE POTENTIAL FOR ON -SITE EROSION HAS PASSED. 7. ALL RETENTION/DETENTION FACILITIES MUST BE INSTALLED AND IN OPERATION PRIOR TO OR IN CONJUNCTION WITH ALL CONSTRUCTION ACTIVITY UNLESS OTHERWISE APPROVED BY THE PUBLIC WORKS DEPARTMENT, SURFACE WATER UTILITY SECTION. 8. GRASS SEED MAY BE APPLIED BY HYDROSEEDING. THE GRASS SEED MIXTURE, OTHER THAN CITY OF RENTON APPROVED STANDARD MIXES, SHALL BE SUBMITTED BY A LANDSCAPE ARCHITECT AND APPROVED BY THE PUBLIC WORKS DEPARTMENT, SURFACE WATER UTILITY SECTION. 9. ALL PIPE AND APPURTENANCES SHALL BE LAID ON A PROPERLY PREPARED FOUNDATION IN ACCORDANCE WITH SECTION 7-02.3(1) OF THE CURRENT STATE OF WASHINGTON STANDARD SPECIFICATION FOR ROAD AND BRIDGE CONSTRUCTION. THIS SHALL INCLUDE NECESSARY LEVELING OF THE TRENCH BOTTOM OR THE TOP OF THE FOUNDATION MATERIAL, AS WELL AS PLACEMENT AND COMPACTION OF REQUIRED BEDDING MATERIAL, TO UNIFORM GRADE SO THAT THE ENTIRE LENGTH OF THE PIPE WILL BE SUPPORTED ON A UNIFORMLY DENSE, UNYIELDING BASE. ALL PIPE BEDDING SHALL BE APWA CLASS "C", WITH THE EXCEPTION OF PVC PIPE. ALL TRENCH BACKFILL SHALL BE COMPACTED TO MINIMUM 95% FOR PAVEMENT AND STRUCTURAL FILL AND 90% OTHERWISE PER ASTM D-1557-70. PEA GRAVEL BEDDING SHALL BE 6 INCHES OVER AND UNDER PVC PIPE. 10. GALVANIZED STEEL PIPE AND ALUMINIZED STEEL PIPE FOR ALL DRAINAGE FACILITIES SHALL HAVE ASPHALT TREATMENT #1 OR BETTER INSIDE AND OUTSIDE. 11. STRUCTURES SHALL NOT BE PERMITTED WITHIN 10 FEET OF THE SPRING LINE OF ANY STORM DRAINAGE PIPE, OR 15 FEET FROM THE TOP OF ANY CHANNEL BANK. 12. ALL CATCH BASIN GRATES SHALL BE DEPRESSED 0.10 FEET BELOW PAVEMENT LEVEL I� Call 2 Working Days Before You Dig 1-800-424-5555 Utilities Underground Location Center (ID,MT,ND,OR,WA) 13. OPEN CUT ROAD CROSSINGS THROUGH EXISTING PUBLIC RIGHT OF WAY WILL NOT BE ALLOWED UNLESS SPECIFICALLY APPROVED BY CITY OF RENTON PLANNING/BUILDING/PUBLIC WORKS ADMINISTRATOR. 14. ROCK FOR EROSION PROTECTION OF ROADSIDE DITCHES, WHERE REQUIRED, SHALL BE OF SOUND QUARRY ROCK PLACED TO A DEPTH OF ONE (1) FOOT AND MUST MEET THE FOLLOWING SPECIFICATIONS: 4 - 8 INCH ROCK / 40 - 70% PASSING; 2 - 4 INCH ROCK / 30 - 40% PASSING; AND LESS THAN 2 INCH ROCK / 10 - 20% PASSING, 15. ALL BUILDING DOWNSPOUTS AND FOOTING DRAINS SHALL BE CONNECTED TO THE STORM DRAINAGE SYSTEM, UNLESS APPROVED BY THE CITY PLAN REVIEWER OR SURFACE WATER UTILITY SECTION. AN ACCURATELY DIMENSIONED, CERTIFIED AS -BUILT DRAWING OF THIS DRAINAGE SYSTEM WILL BE SUBMITTED TO THE CITY UPON COMPLETION. 16. ISSUANCE OF THE BUILDING OR CONSTRUCTION PERMITS BY THE CITY OF RENTON DOES NOT RELIEVE THE OWNER OF THE CONTINUING LEGAL OBLIGATION AND/OR LIABILITY CONNECTED WITH STORM SURFACE WATER DISPOSITION. FURTHER, THE CITY OF RENTON DOES NOT ACCEPT ANY OBLIGATION FOR THE PROPER FUNCTIONING AND MAINTENANCE OF THE SYSTEM PROVIDED DURING CONSTRUCTION. 17. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING ADEQUATE SAFEGUARD, SAFETY DEVICES, PROTECTIVE EQUIPMENT, FLAGGERS, AND ANY OTHER NEEDED ACTIONS TO PROTECT THE LIFE, HEALTH, AND SAFETY OF THE PUBLIC, AND TO PROTECT PROPERTY IN CONNECTION WITH THE PERFORMANCE OF WORK COVERED BY THE CONTRACT. ANY WORK WITHIN THE TRAVELED RIGHT OF WAY THAT MAY INTERRUPT NORMAL TRAFFIC FLOW SHALL REQUIRE A TRAFFIC CONTROL PLAN APPROVE BY THE PUBLIC WORKS DEPARTMENT, TRANSPORTATION SYSTEMS DIVISION. ALL SECTIONS OF THE WSDOT STANDARD SPECIFICATIONS 1-07-23 TRAFFIC CONTROL SHALL APPLY. 18. SPECIAL DRAINAGE MEASURES WILL BE REQUIRED IF THE PROJECT LOCATION IS WITHIN THE AQUIFER PROTECTION AREA (APA). !oF wasylNv�f ®D R. STRONG 1 CITY COMMENTS DATED OCT. 6, 2011 CONSULTING ENGINEERS 2 BAYFlLTER REVISION 10604 NE 38th PLACE, SUITE 101 3 CITY COMMENTS DATED NOV. 15, 2011, MYLAR KIRKLAND, WA 98033 _45232 425.827.3063 OFFICE R�IsrER�� l�y� 800,962.1402 TOLL FREE 425,827,2423 FAX NC REVISION -k !mg,q 1 CB 9, SDMH, CHANNEL MANHOLE - STA. 31 +26.18 SOLID LOCKING LID CONNECT WALL DRAINS HERE PRIVATELY MAINTAINED STORM ELEMENTS 1. PIPES P5 AND P103 TO BE PRIVATELY MAINTAINED. 2. ALL STORM DRAIN STUB -OUTS TO BE PRIVATELY MAINTAINED. FLOW CONTROL BMP NOTE ALL LOTS WILL UTILIZE REDUCED IMPERVIOUS SURFACE CREDIT BMP. LOT NO. LOT AREA (S.F.) MAXIMUM ALLOWABLE IMPERVIOUS AREA PER CODE (S.F.) RESTRICTED IMPERVIOUS FOOTPRINT (S.F.) 1 5884 4413 3000 2 6140 4605 3500 3 6140 4605 3500 4 4912 3684 3000 5 4912 3684 3000 6 6140 4605 3500 7 6140 4605 3500 8 4899 3674.25 3000 9 5727 4295.25 3100 10 5116 3837 3100 11 7203 5402.25 3300 12 6296 4722 3300 13 5625 4218.75 3300 14 5625 4218.75 3300 15 5625 4218.75 3300 *ALL PRIVATE STORM CONNECTIONS TO BE PERFORATED STUB -OUTS. VERTICAL DATUM: NAVD 88 PER CITY OF RENTON VERTICAL CONTROL ALL SEWER INFORMATION IS PER FIELD SURVEY BASED ON ABOVE DATUM. MAJ 10.15.111 LRJ SURVEYED: 1 `.7YS SCALE AS NOTED VERTICAL: NAVD 7988 HORIZONTAL: NAD 1983�199 DATUMCHECKED CITY0 �_ T O 1 �l Planning/Building/Public 'Works Dept. MAJ 11.22.11 LRJ DESIGNED: MAJ MAJ 01.04.121 LRJ DRAWN: CWA ONE INCH AT FULL SCALE IF NOT ONE INCH SCALE ACCORDINGLY ". DATE A P APPROVED:p 61W CHECKED FOR COMPLIANCE TO CITY STANDARDS /7--- =34421 1 A1 � BROOKEFIELD NORTH GRAPHIC SCALE 0 15' 30' 60' 1 INCH = 30 FT. 09-06-11 FIELDBOOK: PAGE: STORM DRAINAGE PLAN SHEET: �� OF:11 1AHNIN N AA O7-1 O zn -z 0 oz �° 1