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HomeMy WebLinkAboutR-405414V ) Z J /_ V -17 LU 2 I - a rr r) LU U SURFACE WATER STANDARD PLAN NOTES: THE FOLLOWING IS A L157IN13 OF OENERAL NOTES THAT SHALL BE ■INCORPORATED IN THE DRAINAGE PLAN SET. ALL THE NOTES ON THE LIST MAY NOT PERTAIN TO EVERY PF404CT THE APPLICANT OR CWNEFL HEREBY REFS RAEV TO AS APPLICANT, MAY $TRIKmE OIJT 3RAELEVANT NOTES IF HOT APPLICABLE 70 THE PFOJECT. I O+0wEVER, THE APPLICANT SHALL NOT REMIMBER NOR EDIT THE REMAINING MOTES. IF ADDITIONAL NOTES ARE NEEDED FOR SPECIFIC ASPECTS. THEY SHALL BE ADDED AFTER THE SURFACE WATER STANDARD PLAN NOTES. 1 BEFORE ANY C,OH$TRIJGTION OR DiEVELWMIENT ACTIVITY OCCURS, A PR"QN$TRIJCTIQN ME*_TING SHALL BE HELD AMONG THE COY OF RENITON, HERE, OY REFERRED TO AS THE CITY, THE APPLICANT_ AI❑ THE APPLICANTS CONTRACTOR. 2. THE APPLICANT SHALL BE RESPONSIBLE FOR SECURING ALL NECESSARY CITY. STATE, AND FEDERAL PERMITS PRIOR TO CONSTRUCTION. G. ALL STORM DRAINAGE IMPROVEMENTS SMALL BH DESIGNED AND CONSTRLICTED IN ACCORDANCE WITH THE LATEST EIXT3ON OF THE CRY OF RENTON SURFACE WATER DESIGN MANUAL ORENTOH 3WDMI, REVFTCN MUNICIPAL ODDE (RMC), AM THE STANDARD SPECIICATIONS FOR ROAD. BRIDGE AND MLINFCWAL CONSTRUCTION PREPARED BY "DOW ANO 1HE AMERICANN PUBLIC WORK$ ASSOCIATION iAPWA). IT SHALL IYE YHE 501E RE15PON51811LIT+' OF THE APFLICNNT TO CORRECT AW ERROR OMISSION OR VARIATION FROM THE ABOVE REQUIREMENTS FOUND IN THE PLANS ALL CORRECTIONS SHALL BE AT NO ADDITIONAL COST TO THE CITY 4. APPROVAL OF THE ROAD. GRADING, PARKING, BUILUM, AND ❑RATUiGE PLAN DOES NOT CONSTTTUTEAS APPROVAL OF ANY OTHER CONSTRUG-WN (E.G. WATER. SEWER, GAS. ELECTRICAL. ET1C.L PLANS FORSTRUCTURE33UCHA3 BRIDGES. VAULTS. AND RETAINING WALLS REQUIRE A SEPARATE REVIEW ANDAPPROYA°LBY THE CITYPRIGR TCC+OMMI.P071,0N. THE SURI°ACNE WATER DRiA*"E SVOTEM SHALL VE CQNorrNOTEDACCORDWG TO THE APPRWSDPLANS. ANY DEVIATION FROM THE APPROVm PLANS WILL REQUIRE GOORDINATI ON FOLLCOED BY WRITTEN APPROVAL FRCMi THE CITY. 6. ACOPY OF THE APPROVED PLANS SHALLBE ON THE JOB SfrE WHENEVER CONSTRUCTION IS IN PROGRESS. G. THE 40CATIONS OF ALL EXISTING Q11ES SPOOM HEREON HAVE MEN ESTA�RLISHED BY FIELD SURVEY OR OBTAINED FROM AVAILABLE RECORDS AND SMALL THEREFORE BE CCNSIDERED APPROXIMATE ONLY AND NOTNECESSARILY CDMPLETE. IT ISTHE SOLE RESPONSIBILITY OF THE APPLICANT AND THE APPLICANTS CONTRACTOR TO INDEPENDENTLY VI=RIFY THE ACCURACY OF ALL iFrPLITY L7GArIONI3 SHOWH-AND TO FURTHER 0I5L9YYER AND AVOID WAY OTHI=R UTILITIES NOT SHOWN HGR,EON THAT MAY BE AFFECTED BY THE IMPLEMENTATION OF THIS PLAN. THE APPLIC,ANTSHALL RECORD ON THE AS$UILT ORAWINGS ALL UNDOCUMENTED LMUTIES DISCOVERED AND ANY CHANGES TO THE APPROVED PLANS. THE APPLICANT SHALL O+MEDWTELY NOTIFY THE ENGINEER OF RECORD IF A CONFLICT EXISTS. T. VERTTCALIDATUM BMALL BE NAVIDNI6 AND HORIZONTAL DATUM 5HALLUE NAD B3 {WA STATE PLANE NORTHk UNLESS OTHERW15E APPROVED BY THE CF1Y. REFF MW-C 6EHCHMAAK_ DATUM. ANG 6iFVA710mS SHALL BE HOrEd ON THE PLANS 8 ALL U tIL11YTREHCH BACKrPLL AND ROADWAY $U90RAte SHALL Or tOMN°AOYED 70 P5% MAXIMUM ORYDO N$ITY PER OLOTION 2-03 3(114)U-COMPAOtION AM MOISTURE GQNTROLTEST$QF THE 1V$OOT $TANDARD SPECIFIC„ATION$. IN PERMEAN31_E PAVEMENT AND QTHM INFILTRATION AREAS, ALL TRENCH BACKFILL SHALL BE FIRM AND UNYIELIDNG BUT IN NO CASE SHALL BECOM.PACrED TOLOORE THAN 929E CF NIAXLw.IUM DRY ❑ENSTCY. 9. OPEN CUTTING OF EXISTING ROADWAYS FOR STORM DRAWAGE WORK IS NOT ALLOWED UNLESS SPECIFICALLY APPROVED BY THE CITYAND NOTED ON THESE JIPPRUVED PLANS. ANY OPEN CUT SHALL BE RESTORED IN ACCORDANCE WITH THE CITY TRENCH RESTORATION STANDARDS. 10. ALL PIPE AND STRUCTURES SHALL BE STAKED FOR SURVEY LINE AND GRADE PRIOR TOTHE START OF CONSTRUCTION. WHERE StKMN ON THE PLANS OR WHERE DIRECTED BY THE GITT. THE EX15T■NG MANmOLES. CATCH BA51N5. OR INLETS SHALL BE AOJU37ED YO THE GRADE AS STAKE# 11. ALL FLOW CONTROL FACNLFrFpS SHALL BE 1111ISTALLE0 AND IN OPERATION PRIOR 10. OR IN CONJUNCTION WITH, ANY CONSTRUCTION ACTIVITYUNLESS OTHERWISE APPROVED BY TI-E CITY. 12. ALL PIPE AND APPURTENANCES WALL BE LAiDON A PROPERLY PREPARED FOUNOATIOM IN ACCORDANCE WITH THE CURRENT STATE OF WASHINGTON STANDARD SPECIFICATION FOR RLDAD AND BRIDGE CONSTRUCTICH. THIS SHADS MNCLLME NECESSARY LEVELING OF THE TRENCH BOTTOM OR THE TOP OF THE FOL.WDATION MATEMAL. AS WELL AS PLACEMENT AND ODMIPACTION OF REGUIRIA BEDDING MATERLAL TO UNIFORM GRADE 30 THAT THE ENTIRE LENGTH OF THE PIFE'WILL BE SUPPORTED ON A UNLPORMLY DENSE. UNYIELDING BASE. ALL PIPE BEDD%* AND B,AGKFILL SHALL BE AS SHOWN ON THE GIT'Y STANDARD PLAN 220.00. NO 10. AND 2M.26. t3. STEEL PIPE SHALL BE ALUMINIZED, OR GALVANIZED WITH ASPHALT TREATMENT 1, 2, OR5INSIDE AND OUTSIDE. 14. ALL DRAMAGE STRUCTURES SUCH AS CATCH BASINS AND YWNNOLES SHALL 9E FITTED WITH DUCTILE IRON, BOLT.LCr-KING LIDS PER THE CRY STANDARD PLAN 261.14, 2042D. 204.311-AND 204.50. STRUCTURES SHALL HAVE: r RECYAHGLUAF OR ROUND. SOLID LIDS WHEN NOT COLLECTIIIG RunOFF. AND OUTSIDE OF NE ROAO'A'Av • ROUND, SOLID LIDS WHEN NOT COLLECTING RUNOFF, AND LOCATED WITHIN THE ROADWAY, BUT OUTSIDE OF THE CURBfGUTTER LINE. ° RMND, SOLID Li DISPLAYING THE DIFY LOC°0 WHEN W1'rplm THE PUBLIC RIGHT-OF-WAY OR IN AN Ek9EMENT TO THE CRY. rKWATE STRUCTURE Li OUTSIDE PUBLIC RIGHTLOF-WAY AND EASEMENTS To THE CITY SHALL NOT DISPLAY THE CITY 40G4. 15. "LDINCO AND OTHER STRUCTURES SHALL DE PLACNED IN ACCOSOMCE %IATIi TABLE 4.i r-AG MENT WIDTHS AND DULDING SETBACKS LINES of THE RENTON SWDM. 16 LIDS OF MANHOLESrCAsTCH BASINS 184TH114 PUBLIC RIGHT-OF-WAY 6W1.L NOT BE ADJUSTED TQ FINAL GRADE UNTIL AFTER PAVrSG, ALL MANHOLE+CATCH MIN RIMS SHALLBE ADAJSTE❑ TORE FLLtSH WNrH FINAL FINISNEDq3RAOES, UM-ESS OTHEMMSE SNO'WH. 17, AUK DRIVR;WAY Call-4ERT$ �QrATED WITWN GRV RIGHT•OF-WAR SHALL BE OF SUFFICIENT LENGTH TO PR OODE A M*4cMLJM $ f SLOPE FROM THE f:D13E OF THE DRR4EWAY TO THE BOTTOM OF THE DITCH. UNLESS OTH€IIW4A NUII I }, GRAW-NG Is NOT 10 SCALE {I1TSj STD. PLAN - 267-00 PUBLIC WORKS SURFACE WATER STANDARD PLAN gyp., 114R) DEPARTMENT A 9128f1a18 I NOTES (1 OF 2) SURFACE WATER STANDARD PLAN NOTES: THE FOLLOWING IS ALJSTIN1J OF {aENERAL NOTES THAT SHALL BE INCORPORATED FH THE DRAINAGE PLAN SET. ALL THE NOTES ON THE LIST MAY NOT PERTAIN TO EVERT PROJECT THE APPLICANT GA OWNER. HERESY REFEAAEDTO AS A/FPLIG+LNr. MAY STRIKE OUT IRAELEVANT NOTE9IF HOTAPPOGABLE TO THE PROJECT. HOWEVER. THE APPLICANT SHALL NOTRENUMBER NOR EDIT THE REMAININGNCMES- IF ADDITIONAL NOTES ARE NEEDED FOR SPECIFIC ASPECTS THEY SHALL IE ADDED AFTER THE SURFACE WATER STANDARD PLAN NOTES. 1S. ROCK FOR EROSION PAOTI*CTION OF RgAOSIOE QITCWFS, 14HEAE REQUIRED- SHALI. Ar OF &CrUNO QCARHY R4CN PLA{IE0 To A Hil?JIWM DFPTH CF ONE (1) FOOT AND SHALL FEET THE FOLLOWING 3PECIFWATIONS 4-E U-0CH ROCK 144-70% PASSING: • 2.4INCH ROCK N 30 • 40%PASSING, AND • LESS THAN 2INCH ROCK 10 - 20%PASSING. $9. FOOTiNG DRAINAGE SYSTEMS AND ROOF DOWNSPOUT SYSTEMS SHALL NOT BE INTERCONNECTED AND SH ALLSEPARATELY CONVEY COLLECTED FLOWS TO THE CONVEYANCE SYSTEAL 0A PLOW CONTROL FACILITY ON THE SITE, UNLESS APORO'JE.0 9Y tHE OILY FOOTINQ DSWNS SHALL NOT M CONNECTEO 10 ON -SITE 6MP5 24. THE ENU Gfr EACH 511OP M 0FA1N STUB SHALL BE CAPPED. A CLF_ANOU1 TAPPED WTtH A BOLT -LOCKING LID MARKED'SFORNr 29H ALL BE LOCATED AT THE PROPERTY LINE OR AT THE POINT OF CONNECTION OF A PRIVATE STORM DRAINAGE CONVEYANCE $YSUM PER THE CITY STANOAiM PLAN: 227.OQ 21 ALL STORM► SYSTEM EXTENG*me, SHALL BE STAKED FOA LINE AND GRADE D'f ALSUAVEYORLIGEHSEP IN'WAS41NOTON STATE. AND CUT GREETS SHALL EE PROVIDED TO THE CITY PRIOR TO CONSTRUCTION. 22. ALL NEWLY•INSTALLED AND NEWLY-REHASILITATED 4PUBU LAND PRIVATE) STORM CONVEYANCE SYSTEMS SHALL BE IINAPECTED BY MEANS OF REMOTE CCTV ACCORDING TO THE CITY STANDARD PLAN 2W.D3. CCTV INSPECTIONS AM REPGRTS SHALL BE SLFBMrTED TO THE CITY PRIOR TO RECEIVING APPROVAL TO INSTALL FaiOJEOT OuR9$. OuT%RO AHpaOR PAVEMENT 23 ALL STORM SYSTEMS AND MiNEGTION9 TO EMSYINO MAIMSHALL BE TESTED IN ACCORDANCE YnTH SECTION 7fi4.3(1H OF THE WSMO STANDARD 9PEGIF10A71OMS AND IN THE PRESENCE OF A REPRESENTATIVE OF THE CYTY. STDRM DRAIN STUBS SHALL BE TESTED FOR ACCEPTANCE AT THE SALE TIME THE MAIN STORM IS TESTED. 24 FOR ALL DISTURBED PERVIOUS AREAS r-OMPACTED, GRADED, LANDSCAPED, ETC.) OF THE DEVELOPMENT SITE. TO MAINTAIN THE MOISTURE CAPACITY OF THE &OIL EITHER STOCKPILE AND IaED157R03UTE THE EXI5TIr113 D(TFFi-AYER AND NATIVE TOPSOIL OR AMEND THE SOIL WITH COMPOST IN ACOORVANICE WTFHHSTANDARD PLAN 264-M. 25 ISSUANCE OF THE BM401NG OR OONSI RUCTION PERMITS BY rHE CITY DOES NOT RELIEVE SHE APf'l10A W OF THE CONTINUING LEGAL ODuOATiDN ANCI*A LIACILITY CONNECTED MTN STORMAIATER DISPOSAL. THE CITY DOES NOT ACCEPT ANY 018"TION FOR THE PROPER FUNCTIONING AND UQNTENANCE OF THE STORM SYSTEM PROVIDED DURING CONSTRUCTION. 25 A60EQLFATE SAFEGLWIROB, SAFETY DEVICES, PROTECTIVE EQUIPMENT, FLAGGERS-AND ANY OTHER ACTIONS NEEDED TO PROTECTTHE LIFE HEALTH, AND SAFETY OF THE PUBLIC. AND TO PROTECT PROPERTY IN CONNECT39N WITH THE FERFORHAHCE OF YVURK SHALL BE PRCMDED. ANY WORK WITHIN THE TRAVELED RIGHT-OF-WAY THAT MAY INTEAAUPTHORMAL TRAFFIC FLOW SHALL REQUIRE A TRAFFIC CONTROL PLAN APPROVED BY THE CITY. ALL SECTIONS OF THE WSDOT STANDARD SPECIFICATIONS 1-1 D TEMPORARY TRAFFIC CONTROL SHALL APPLY- 2P. PROJECTS LOCATED WITHIN THE CFFr8 AQUIFER PROTECTION AREA IAPA) SHALL COMPLY WITH SPECL L REQUILEMENIT 96 OF THE RENTON SWDM AND AQUIFER PROTECTION REGLIRATIOHS (RMC 4,3493). 2& PLACEMENT OF SURFACE APPURTENANCES 4CATCH BASINNMAAIOLE LIDS. GtEANDUTS, INLETS, ETC, HHN THE STREET TRAVEL LANE WHEEL PATH, IN'TERSECTAONS OF -STMET TRAVEL LANES. BWE LANES, SOEWAo(8. AND GRO5SwALKS BHALLBEAVOIDED WHENEVER POSSIBLE, ANY SuRFACE APPLIHTr=PtANCE FLACEDINA SIDEWALK OR CROSSWALK SHALL 9E FITTED WITH A NONSLIP OR NONSKID LID PER ADAREQLDREMENTS. n CLRARLY f UML. PUBLIC AND PRIVATE SYSTEMS ON THE PLANS. PRIVATE SYSTEMS SHALL, 9E KKINTAIHIED BY THE APPLICANT. gyp. MINIMUM CV EH OVER STORM DRAINAGE PIPE. SHALL C;WQHM TO TABLE 4.2.1 Q OF THE RE. NTOH SWOM. ii CORSTAUOTEO PERMEABLE PAVEMENT 9FAALL BE PERMEABLE ENOUGH TOASORB WATER Ar AMiNiMUM RATE OF 2a i NGHES PER HOLot IMWEDLATELY AFTER THE PAVEMENT SURFACE HAS BEEN WETTED CONTINUOUSLY FOR AT LEAST 10 MINUTES. COMPLIANCE WITH THIS MINIMUM RATE SMALL BE CHECKED PRIOR TO CCNSTRUCTIGN APPROVAL OF THE PAVEMENT. ODMFUANCE MAY BE CHECKED U51NG A SIMPLE BUCKET TEST IN WHICH 5GALLONS OF WATER 4S POURED ONTO THE PAVEMENT SURFACE ALL AT OWE. IF ONLY A MINOR AVICAMI OF WATER PONDS W RUNS pFr THE SURFACE. THEN THE PAV¢MENr 15 MNSIDEREG TO MEET THE MINIMUM RATE OF A&SORPTTON. AT LEAST {THE TEST SHALL BE COMNUCTM PER I,OM SQI ARE FEET CIF PERMEA91,i; PAVE1EN r IF THIS TEST IS HOT CON l)SIVE, THEN ANOTHER TEST PER ASTMI Hsi 701 SHALL BE CONDUCTED. FOR LARGE AREAS (E.G., FAi141HIG AREAS), TESTING OBSERVATION MAY GE ACCDMPUSHED WHILE WALKING BEHIND SLOWLY MOVTNU WATER TRUg4 OI54_1AR61N0 WATER AT A RATE SIMILAR TO THE BUCKET TEST. PERMEABLE PAYERS SHALL BE TE9TEu USING ILSTM G i M . UNLESS DTHERWLSE INDTfU, DILAWMr IS NOT 70 SCALL{ASS] Aogftk STD. PLAN - Z67.10 [w)PUBLIC WORKS SURFACE WATER STANDARD PLAN w : DEPARTMENT NOTES {2 OF 2) GAZ 9/28/2018 1 r.c : w°,.<„a,,.,,,,, DATE II Call 2 Working Days Before You Dig 811 Utilities Underground Location Center (ID,MT,ND,OR,WA) 1'. PIED OF WASy,Is� 232 �SSI�NAL b�p•lg SE 1/4 SECTION 14, TOWNSHIP 23 N, RANGE 5 E, W.M. CL=DARS AT TH� HIGHLANDS CB 15 TYPE 2-48"t I 30"CPP=432.01(N) 6'VBF IS 0.6N. OF IL' > & BLOWOFF 6'VBF IS 0.2N. OF �' I �� I IE DROP=417.21 6'VBF IS 1.4_N. OF IF CD TALL CONC \ 8'PVC (N,E,S) (SCUD LOCKING UD) I `� 8' E 6'VBF 4 HWF IS 0.8S. OF �' 4 HWF IS STA. 24+31.92, 19.35' R I - - - 26"E'" � '� BLOCK WALL @ IL CTR CHANNEL=403. RIM 435.95 _0_.BN. OF 30"E 6 E 4'F�hkYF IS 4 HWF CORNER IS 30" IE OUT 432.01 (SW) I fff O 1 W OF ����• E SEFl T - ° 4'H F -_ - 0.1 %%`A, F R 0.2S X 0. EX. 30" IE IN 432.01 (N)I rI••• ___ __ - R _ _ - I FOR MOR ET,4/ [ f�Y`1 C T C 10 ''D ',Q(„ f�� j 2"D 1 X CB 14 TYPE 2-48" I I I dF R ',' , i1 1,2; kS ,p r; „ ` 1 1 .,� 6 E 422K r " / TR ETENTION -- 1 1 1� ° ; 4 HWF l5_ X , ` 6 V7 �32"E 1 tJ ,a 2"E r (SOLID LOCKING LID) 1 I 11 LF 30 DI ®21.68% (P15) , D ' - $; �j'y' ;14"D.� --1 , )112"D 0.2'S. OF g ` \ ` 14"D STA. 24+22.47, 13.50' R i + I I 43� 7A3 -� '�2 D y , ° - - - - _ �� \` Z - ` RIM 435.18�24"D 1'M6% -� X ' ' ' �' " -- - = 6t' $,"10; ,12,© X 16 ,18",24'D O 30 /E IN 429.60 (NE) _ J ; °71 11 s, 22''Et 6>,% E _ ---- --- �, 1 ' I A15 - , , , - 30" IE OUT 429.60 (S) , I I 6" PVC I TORN STUB 6"E l ' q --- CB 103, TYPE 1 '1 \ ', 1 AI7 ' ' - LL _ XI1 1 crt�=4su. ii � I; I � _ _ 16"D .�'�_>.� I, I STA. 13+81.42, 12.1T L I , 1 , .,� " I WITH CLE�INOUT (TYP.) '' � _? E' RIM 424.11 6 - r 91 LF 30 PVC ® 2.64% (P14), " 6 /E IN 422.00 (N) I I 6"0 PERFORATEDPi/C CB 13 TYPE 2-48 12" IE OUT 422.00 S ABA4VAULT FOOTING RAIN pAC�� A8 x x II vJI (SOLID LOCKING LID) I "'jI� - ,/ ,/ 5' WATER AND �\ 8 - 114REA '1 ��214 ,� STA. 23+31.68, 13.50 R 'I 20'x30' PRI VA TE /I / CCESS EASBE�I��I T 9 a \ `� 18' , 24' RIM 432.76 I 4 DETEN77ON VAULT SEE HEFT II, 30" IE IN 427.20 (N) �- - ACCESS EASEMENT �\ 7O �- _ `\ C19 FOR DE <A18 BA N \ \ \ `Ag3�38.,E, 114"� 30" IE OUT 427.20 S ' CB 10 TYPE 2-48" 12'' VENT/LAT/OIL P/f'E - TYP. A -.r__ Q () PRIVATE TYPE 1 CB OR I 24" ACCESS RING AND L/D C RPO T �75' DI�TLA1d EX. 12" IE IN 429.16 (W) II %Z APPROVED EQUAL (TYP.) CB 104, TYPE 1 (SOLID LOCKING LID) (SEE STRUCTURAL f�LAN� ` BUFFER \` 36 p2 ' II O STA. 13+73.96, 5.88 R FOR DETAILS 1 "D \ �� �� 8"E . I STA. 12+08.36, 12.17 L ) . - 1 (MI 41y.U�(WJ J I 10' PRIVATE JOINT RIM 424.43 30"D �Q . - x x II N R/M 42Z 15 30" lE IN 418.90 (W) VAULT INLET,. , �C, 16"E UTILITY EASEMENT , '1'8" I �z� •\ - " I 6" "IE IN 425.00 (N) 30" IE OUT 41&90 (E) STA. 15+05.2$ a61 L ®A ' 40"E - _ 12_E 86 LF 30 PVC O 3.85X (P13) I CB 7, TYPE 1 12 /E OUT 425.00 (S) 15 /E IN 417.75 fS) � � a, r A�i T A II I 1, J -STA. 22+74.89, 19.61' R- - - - - - - 24 LF 12" DI ® 1.OJX (P104) �� TORM DRAINAGE 4 QE VAULT OUTLET RIM 431.56 46 LF 15' LCPE O 0.99% (Pl) 10"D `�� STA. 37+90.13, 35.29' L I 1 ' 6" IE IN 429.50 (NE) - ° 42" o`V - " T / 12" IE OUT 4OZ50 (SE) 1 i II 12 /E OUT 429.50 (S) - ' ��� 6"E 1 ���� / /. WQF 00 1 .1 43 LF 12 D/ O 3.25% (P7) 8 LF 12 LCPE O 0.00% (P308) O 202 LF 30" PVC ® 1.14% (P12) - 41- I - SSMH Q I� -- WIRE OWNS) I o +I CB 12 TYPE 2- (SOLID LOCK/NG LID) o STA. 22+45.93, 13.50' R R/M 431. 63 30" IE IN 423.90 (N) 30" IE OUT 423.90 (E) 39 LF 12" LCPE ® 1.031G (PI 06) o TRANSFORMER(N) -\ I WlR-- ' 106, TYPE 1 STA. 21+93.14, 15.17' R, RIM 430.38 ` 12" IE OUT 427.30 (N) o r -L % 1 O It C16, TYPE 1 _ STA. 21 +05. 64, 15.17' R II RIM 427.76 12" IE OUT 424.76 (S) " O 1` y - , 149 LF 12- LCPE O 1.64% (P5) a`. PVC ®1 71Z (P11 ;';; I ' O TYPE 2-54' DEL=403 r • _ " �P-147 LF 30 PVC ®317,g p10 =_ ( ) _--- % / ' 1oo.�W/TH CONTROL STRUCTURE SEE DETAILS SHEET C20 I Q \ = T _®168X(p4) '� STA. 51+38.56, 46.89' L I RIM 422.88 CB 5, TYPE 1 ' _ '82 LF 12A LCPE O 1.95X (P3) 7 / Jj 12" IE IN 40Z50 (NW) J � . STA. 10+59.15, 12.17 R �i` s l'`�3g4A / 12" lE OUT 4 7.50 (S) RIM 430.46 12 IE IN 426.45 (W) i 12" IE OUT 426.45 (E) �� 51 LF 12' LCPE ® 0.98% (P208) R ABLE OLLARD TYP. \ 41 LF 12" LCPE ® 1.10% (P6) , " 24 LF 12 D/ O 1.03% (P103) \ (109 \ O S E SHEET C 2 FOR DETAIL I 2 3 4 II STORM AND / SEWER \ \ CB 108 96" STORMFIL TER CB 6 TYPE 2-48" CS 4, TYPE 1 / STA. 22+31.85, 18.71 R, RIM 431.10 , STA. 12+08.36, 12.17 R RIM 427.15 , 112" IE IN 426.90 (S) 12" IE IN 424.75 (N) 112 /E IN 428.10 (N) - - 12" IE IN 424.00 (W) 112" IE OUT 426.90 (E) 6" IE IN 424.00 (S) ' I ■ .J . 30"E "I. Nr:=- ''12' 1E OUT 424.00 (E), ! I 52"E 4'H WF ' ,3E :$"p n 1 ° \10 LF _1J �- EX. CB, TYPE 1 STA. 20+89.10, 18.39' R R/M 427 56 €D'" _ 4 %, WF lS ON �' 6'6 rg' 0.1 N. OF TL' 17 LF 12 LCPE ® 1.17% (P16) II " 12 /E IN 424.56 (N) III EX. 12- IE OUT 424.56 (S) T C16 1 R M E DETAILS STORMWA TER FLOW CONTROL BMPS LOT LOT AREA MAX. IMPERVIOUS ALLOWED PER Cl TY CODE MAX. IMPERVIOUS* (RESTRICTED F00 TPRIN T) AREA TO UTILIZE BASIC DISPERSION SUM OF BMP CREDITS 1 9, 830 4,915 3, 300 700 1,400 2 9,001 4,501 3, 400 700 1, 300 3 9,000 4,500 3, 400 700 1, 300 4 9,005 4,501 3, 400 700 1, 300 5 9,008 4,504 3, 400 700 1, 300 6 9,029 4,515 3, 400 700 1, 300 7 9,502 4,751 3, 600 700 1,100 8 15,610 7,805 3, 600 700 1,100 9 17,565 8,783 NOT PROPOSED NOT PROPOSED N/A 10 9, 398 4,699 3, 400 700 1, 300 11 9,101 4,551 3, 400 700 1, 300 12 9,474 4, 737 3, 300 1,400 2,100 13 9,047 4,524 3,400 1,400 2,000 *NOTE: RESTRICTED FOOTPRINT CREDIT IS BASED ON ANY RECORDED LIMIT ON TOTAL IMPERVIOUS SURFACE LESS THAN A NORM OF 4,000 SF OR THE MAXIMUM ALLOWED BY THE SITE/LOT'S ZONING, WHICHEVER IS SMALLER **ANY PROPOSED ROOF DOWNSPOUT CONNECTION TO THE LOCAL DRAINAGE SYSTEM MUST BE VIA A PERFORATED PIPE CONNECTION. ALSO, ALL TARGET PERVIOUS SURFACES MUST BE PROTECTED IN ACCORDANCE WITH THE SOIL AMENDMENT BMP AS DETAILED IN APPENDIX C, SECTION C.2.13 OF THE CITY OF RENTON SURFACE WATER DESIGN MANUAL. CA TCH BASIN NOTE: IF DURING CONSTRUCTION, IT IS FOUND THAT PIPE ANGLES REQUIRE ROTATION OF THE TYPE 1 CB AND MISALIGNMENT WITH THE CURB, THE CITY WILL REQUIRE REMOVAL AND REPLACEMENT OF TYPE 1 CB WITH LARGER STRUCTURE AND ADEQUATE KNOCKOUT. PRI VA TE DRAINA GE EA SEMEN T NO TE: PRIVATE DRAINAGE EASEMENTS TO BE GRANTED IN FRONT 10-FEET OF LOTS ON WHICH STORM STUBS BENEFITING AN ADJACENT LOT CROSS. FINAL LOCATIONS TO BE SHOWN ON FINAL PLAT. LOT RUNOFF NO TE: RUNOFF BETWEEN ADJACENT LOTS TO BE HANDLED DURING INDIVIDUAL BUILDING PERMITS PRI VA TEL Y MAINTAINED STORM ELEMENTS: 1. ALL STORM DRAIN STUB -OUTS TO BE PRIVATELY MAINTAINED. 2. ALL PRIVATE STORM CONNECTIONS TO BE PERFORATED STUB -OUTS. PUBLICLY MAINTAINED STORM ELEMENTS: ALL CATCH BASINS AND PIPES WITHIN EXISTING RIGHT -OF - WAY, FUTURE RIGHT -OF - WAY, TRACT A, AND 25-FOOT PUBLIC STORM AND SEWER EASEMENT TO BE PUBLICLY MAINTAINED. UTILITY CROSSING NOTE: SEE SHEET C28 FOR UTILITY CROSSING DETAILS D.R. STRONG CONSUL TING ENGINEERS ENGINEERS PLANNERS SURVEYORS 620 - 7th AVENUE KIRKLAND, WA 98033 0 425.827.3063 F 425.827.2423 1 CITY COMMENTS 02.19.19 1 CITY COMMENTS 05.03.19 NO. I REVISION STORM STUB SCHEDULE LOT /E** FG DEPTH TO IE 1 426.52 430.40 3.88 2 425.14 429.80 4.66 3 424.47 427.00 2.53 4 422.50 426.30 3.80 5 421.57 424.60 3.03 6 418.62 42380 5.18 7 419.03 422.40 3.37 8 422.78 425.00*** 2.22 9 422.47 426.00*** 3.53 10 424.71 42Z 40 2.69 11 425.47 428.10 2.63 12 430.00 433.60 3.60 13 431.60 434.30 2.70 PRI VA TE CB SCHEDULE LOT RIM /E** 3 427.68 424.47 5 424.77 421.57 6 423.03 418.62 9 1 424.56 1 422.47 11 428.05 425.47 12 433.28 430.00 **NOTE.- ALL STORM STUB IE CALL OUTS ARE AT CLEANOUT OF RESPECTIVE LOT WITH MINIMUM 2.007. PIPE SLOPE; IE'S MAY BE FIELD ADJUSTED TO ACCOMMODATE DEVELOPMENT. ***NOTE: LOTS 8 AND 9 FG ARE ASSUMED FUTURE DEVELOPMENT PAD GRADES DRD 04.11.19 YLP SURVEYED: JGR CYW 06°20°19 YLP DESIGNED: YLP DRAWN: GLB CHECKED: YLP BY DATE APPR�AIIROVE SCALE: AS NOTED ONE INCH AT FULL SCALE IF NOT ONE INCH SCALE ACCORDINGLY (SOLID LOCKING LID) STA. 12+ 15.61, 5.82' R RIM 42Z21 30" IE IN 421.60 (W) 30" IE OUT 421.60 (E) U. U g4 VF3F CB 3, TYPE 1 STA. 13+81.42, 12.17' R RIM 424.11 12" IE IN 421.10 (W) 12" IE IN 421.75 (N) 6" IE IN 421.10 (S) 12" IE OUT 421.10 (E) NO TES: 5 6 r 7 EASEMENT ° T DETAILS SHEET C22 I. 51+74.93, 11.38' L z/M _ / C AWNECT VA LT FOO77NG / 421.71 CB 2 TYPE 1 ' DRAIN TO CB 8 12" IE IN 40ZOO (N) C)STA. 14+55.59, 18.54' R I / ,' 32"E 12" 1E OUT 405.20 (S) RIM 422.54 .. 12" /E /N 419.50 (W) _ 15" IE OUT 419.25 (E), = `� CB 8 TYPE 2-48"- (SOLID LOCKING LID) 18 LF 12 LOPE ® 1.14% (P108) C) ^ "IIII --I'Jf VA. -II i 11 LCPE O LF 15 3.08.9' P2 ( ) 1 -- ' - - _ I` �' '- ° 1 ��"n ♦ STA. 51 +81.32, 5.00' R RIM 420.69 C:)" C)34 0 12" IE IN 405.00 (N) - - - -30" lE IN 403.50 (NW) r CB 1 T1PE 2-48 Vr CONC `'' -' 24 "CPP= - " ` 30 IE OUT 403.50 (S) 414. 3:, 7HRU CURB INLET STA. 14+82.08, 39.54' R , B , " 9 TEE 2-`� 24"CPP=412.44 RIM 421.46 (SOLID LOCKING LID) 15" IE IN 41 & 21 (W) STA. 15+ 10. 58, 36. 86' R 6" IE IN 418.21 (S) RIM 421.99 15" IE OUT 418.21 (N) 30" IE IN 414.25 (W) 30" IE OUT 414.25 (SE) 1. ALL BUILDING DOWNSPOUTS, FOOTING DRAINS, AND DRAINS FROM ALL IMPERVIOUS SURFACES SUCH AS PATIOS AND DRIVEWAYS SHALL BE CONNECTED TO THE PERMANENT STORM DRAIN OUTLET AS SHOWN ON THE APPROVED CONSTRUCTION DRAWINGS //R-405414 ON FILE WITH CITY OF RENTON. THIS 1 I 1 I r :.:•:; ® PLAN SHALL BE SUBMITTED WITH THE APPLICATION OF ANY BUILDING PERMIT. z ALL CONNECTIONS OF THE DRAINS MUST BE CONSTRUCTED AND APPROVED I I I I A ;•: PRIOR TO THE FINAL BUILDING INSPECTION APPROVAL. 2. CONNECTION TO THE DOWNSTREAM DRAINAGE SYSTEM SHALL BE VIA , IIII C PERFORATED PIPE CONNECTION, COMPLIANCE WITH THIS REQUIREMENT WILL BE ADDRESSED IN THE DRAINAGE PLAN SUBMITTED FOR RESIDENTIAL BUILDING PERMIT DRAINAGE REVIEW WHEN APPLICATION IS MADE FOR A SINGLE FAMILY RESIDENTIAL BUILDING PERMIT FOR EACH LOT. J. ALL TRENCH RESTORATION SHALL BE PER THE CURRENT CITY OF RENTON TRENCH RESTORATION AND STREET OVERLAY DETAIL. i Chi 4. PER SECTION 7 REQUIREMENT FOR PATCHING, OVERLAY, OVERLAY WIDTHS, 1. TRENCHES (ROAD CROSSINGS) D. IF THE OUTSIDE OF THE TRENCHING IS WITHIN I THREE FEET (3) OF ANY ADJACENT LANE LINE, THE ENTIRE ADJACENT TRAVELED LANE AFFECTED WILL BE REPAVED. LANDSCAPING NOTE CB 8A TYPE 2-48" 1. TRACT 'A" WILL BE OWNED BY HOA AND VAULT LANDSCAPING SHALL BE (SOLID LOCKING LID) I �IIIi MAINTAINED BY THE HOA. AN EASEMENT OVER AND ACROSS TRACT "A" STA. 34+14.60), 3.00' R ALLOWING THE CITY ACCESS TO INSPECT AND MAINTAIN THE VAULT AND ALL RIM 409.38 11iI1`A STORMWATER FACILITIES IN THE TRACT WILL BE RECORDED. 30" IE IN 401.20 (N) 2. THERE SHALL BE A MINIMUM OF 3-FOOT CLEAR RADIUS AT ALL FIRE 30- /E OUT 401.20 (SW) i HYDRANTS. I I II I1 IIII .'.'.... 25 LF 30" PVC ® 0.79% (PBA) II i III SSMH RIM=410.10 SEE SHEET C18 I I ' I �::\: `: I 8 PVC (N, S) F DETAIL R RE E LS 0 M I I v I I I CTR CHANNEL--396.95 SD OUTFACE' RIP RAP I I I 1 OUTFACE PROTECTION I I I I 8.5'x12'x2'-- STA. 33+97.35, 15.36' L 30" IE 401.00 \Illy ' A + I'Ilfr A , I� CnI R-405414 0 Z IN COMPLIANCE WITH CITY OF RENTON STANDARDS J DEVELOPMENT ENGINEERING ` ?IL_ N O FRT H bbannwarth 07/01 /2019 • _ VERTICAL: NAVD 1988 HORIZONTAL: NAD 1983/1991 QATUM GRAPHIC SCALE 0 20' 40' 80' 1 INCH = 40 FT. C T Y OF RENTON Planning/Building/Public Works Dept. LU SURFACE WATER UTILITY _ jfarah 07/05/2019 DATE: CEDARS AT THE HIGHLANDS 01.29.19 FIELD STORM DRAINAGE PLAN o�C PAGE: DRAWING 14120160TH AVENUE SE C 14 0 RENTON, WASHINGTON 98059 SHEET: 14 °F28 0 DRS PROJECT NO. `t16041