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HomeMy WebLinkAboutR_401324I F_ /"\ r- n I r-\ w C-1 ■ I �11K'11 /° OAKE WASH NGTON I(r U lk SUMMER o EL 15.18 (NGVD29)�/f I I WINTER o EL 13.18 (NGVD29) h' ri i Xlz -20 -- /-= � . �=; � � 3'°�•' j ' ` �\ Frl \ \ � -- � i_ -' _�.. =� �� � -- "' - ------ _- - --- -' --` / / .i/ ///` � �/ jai �� � • //�/ -15 3 ,r �' -° \ �t -10 - ✓ /r �� �� \ - _ - i i \\� / /// /�J / Imo; / //j `Cam",'-o �\�o oe +s h C1, - . ip�a ,n4 r .tp�erQ.`J.. /^.r �p p` ° r�-'^•�-`7 •° }��.c� 5� f°2N . °��_ '`?,�• ,1� -~- `' °f / =Sfppg t\t psQ ° >� \ 17 ' \\ \ \ S( ��• p• � ° ° 'Oo ; ° f � Ov^r p opo• � - - o. -cr o. . •O� p y� � ^^•N � 1 ° G� -� � ,/�/ //f � \ \ � II \ ,. � .� °.moo e �,� P .. ° p -�,--�.��_..._. - ; -a.-_-,. /' • � ° ° .� °c� � � '-� -✓/ /��� � \\ ° ' 7 II \ \ ~0 ° p� j"i`p lL��o •p °a co\pi p c et� Q ���.)'�� 4 �l�°�°n }t ,f'` p` �1 I •'aa•Y°0 a ®• ° i..°° Q� ° ��° P�pp,°/`0 •'0 ° I / / / p '-� - ..UUYY" 6 °,i` . � o• d ° n °.s� � °. °°° ° �� ,� �° �?.a• • �„ ���''- - . 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HORIZONTAL DATUM: WASHINGTON STATE COORDINATE SYSTEM, NORTH ZONE, NORTH AMERICA DATUM 1983(91). VERTICAL DATUM: NATIONAL GEODETIC VERTICAL DATUM 1929 (NGVD29). VERTICAL DATUM CONVERSION: NGVD29 TO THE NORTH AMERICAN VERTICAL DATUM 1988 (NAVD88) = NGVD29 + 3.60 FEET. 2. THERE SHALL BE NO EXPOSED GALVANIZED MATERIALS, COATINGS OR ZINC APPLIED SURFACE TREATMENTS ON ANY EXTERIOR OR UNDERGROUND MATERIALS OR SURFACES. ALL GALVANIZED OR ZINC APPLIED MATERIALS OR COATINGS SHALL BE PERMANENTLY PAINTED OR COATED TO PREVENT EXPOSURE OF THE GALVANIZED/ZINC MATERIALS PRIOR TO INSTALLATION OR COMPLETION OF CONSTRUCTION. 3. PROTECT AND RETAIN ALL EXISTING UTILITIES AND SITE FEATURES TO REMAIN, SEE SITE REMOVAL PLANS. 4. PROVIDE CATCH BASIN INLET PROTECTION TO ALL CATCH BASINS THAT HAVE POTENTIAL TO RECEIVE SEDIMENT LADEN RUN-OFF DURING CONSTRUCTION. 5. SEE SHEET G02 FOR EROSION CONTROL NOTES. 6. EROSION AND SEDIMENTATION CONTROL FOR IN -WATER WORK SHALL BE AS DESCRIBED IN APPROVED PERMIT DOCUMENTS. TEMPORARY STORMWATER BYPASS WILL BE REQUIRED FOR STORMWATER RUN-OFF CONVEYED THROUGH THE SITE BASED ON THE CONTRACTOR'S CONSTRUCTION PHASING PLAN AND SHALL BE APPROVED BY BOEING. 7. CONTRACTOR SHALL DETERMINE APPROPRIATE SAMPLING POINTS FOR CONSTRUCTION STORMWATER PRIOR TO DISCHARGING IT TO THE EXISTING ONSITE CONVEYANCE SYSTEM OR VIA TEMPORARY OUTFALLS TO LAKE WASHINGTON BASED ON THE CONTRACTORS PHASING PLAN. SAMPLING AND DISCHARGE LOCATIONS SHALL BE COORDINATED WITH BOEING EHS REPRESENTATIVE. 8. PROVIDE CONSTRUCTION FENCING AROUND WORK AREA. PROVIDE AIRPLANE ACCESS TO THE NORTH BRIDGE AT ALL TIMES. 9. PROVIDE CONSTRUCTION FENCING AROUND TREES TO BE PROTECTED. SEE LANDSCAPING PLANS FOR TREE LOCATIONS. 10. CONTRACTOR SHALL PROVIDE CONSTRUCTION FENCING AT AREAS OF THE SITE WHICH DO NOT HAVE EITHER TEMPORARY OR PERMANENT SURFACING BASED ON THE CONTRACTOR'S CONSTRUCTION PHASING PLAN TO PREVENT VEHICULAR ACCESS. 11. CONTRACTOR SHALL DETERMINE IF INTERCEPTOR SWALES AND SUMPS ARE REQUIRED TO ACCOMMODATE FIELD CONDITIONS. SEE SHEET C153 DETAIL 3 AND 4. 12. PERMANENT WATER QUALITY TREATMENT FACILITIES SHALL NOT BE USED TO CONVEY OR CONTAIN CONSTRUCTION STORM WATER. NEW FACILITIES SHALL BE KEPT OFFLINE UNTIL PROJECT IS COMPLETE. THE CONTRACTOR SHALL CLEAN AND FLUSH ALL PARTS OF THE SYSTEM PRIOR TO INSPECTION. SEE GENERAL NOTES ON SHEET G2. 13. EROSIONAL CONTROL MEASURES SHOWN ON THIS PLAN SHALL BE PER THE MOST CURRENT COPY OF THE WASHINGTON STATE DEPARTMENT OF ECOLOGY STORMWATER MANAGEMENT MANUAL FOR WESTERN WASHINGTON. 14. SEE LANDSCAPE PLANS FOR PERMANENT PLANTING DESIGN AND PROTECTION MEASURES WITHIN INVASIVE SPECIES REMOVAL AREA, UTILITY REMOVAL AREA, AND RIPARIAN PLANTING ZONES. CONSTRUCTION NOTES PROVIDE CATCH BASIN INLET PROTECTION AT ALL EXISTING AND NEWLY INSTALLED DRAINAGE COLLECTION STRUCTURES 2� PROVIDE INLET PROTECTION AT NEW SLOT DRAINS 3� PROVIDE WHEEL WASH R� PROTECT NEWLY INSTALLED WATER QUALITY FACILITIES 5� PROTECT VEGETATION WITHIN AND ADJACENT TO PROJECT LIMITS DRAINAGE STRUCTURES WITH SOLID LIDS 7 PROVIDE WATTLE OR COMPOST SOCK 8 PROVIDE SUMP PUMP AS REQUIRED KEY PLAN 20 0 20 40 ZCIVIL PERM T, scale feet DRAWN DATE SUBTITLE ACCEPTABILITY CHHECKED 06 08 18 THIS DESIGN AND/OR TEMPORARY EROSION CONTROL PLAN -AREA 1 SPECIFICATION IS APPROVED SPT 06 08 18ENGINEER TITLE APRON R INFRASTRUCTURE APPROVED BY DEPT. DATE JDM 06 08 18 CHECKED SCALE: N.T.S. R-401324 IN COMPLIANCE WITH CITY OF RENTON STANDARDS DEVELOPMENT ENGINEERING SUR01FACE WATER UTILITY afowler 12/20/2018 rstraka 12/20/2018 Ul W4700331 J `' A ""' ` 10/01 / 18 C150 C07 APPROVED R E N TO N SITE JOB NO. APPROVED CIVIL MASTER SITE RENTON, WA DWG NO. W4700331 COMP NO. 4-APRON-R-C150