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HomeMy WebLinkAboutR-373209w z U w 00 a w 0 O U w J_ LL a w Y cc a a O O w J IZ a SEDIMENT TRAP TOP OF BERM (PER PLAN) AS REQUIRED TO 6. un,urn,u rnuc W.S. ELEV. I 4.5" FOR 12° MIN. DIAM. PERFORATED POLYETHYLENE TUBING OR PLASTIC PIPE GRAVEL FILTER, CLEAN FREE 2) DRAINING GRAVEL MATERIAL��MAX GRAVEL CONE NOT TO SCALE RUNOFF WATER WITH SEDIMENT PRE -MFR.D GEOTEX71LE FABRIC INS FILTERED WATER — SOLID 90' BEND.. 18 SQ MIN TYPICAL INSTAUA110N STRUCTURE MAINTENANCE STANDARDS 1. ANY ACCUMULATED SEDIMENT ON OR AROUND INLET PR07EC77ON SHALL BE REMOVED IMMEDIATELY. SEDIMENT SHALL NOT BE REMOVED WITH WATER AND ALL SEDIMENT MUST BE DISPOSED OF AS FILL ON SITE OR HAULED OFF SITE. 2. ANY SEDIMENT IN THE CATCH BASIN INSERT SHALL BE REMOVED WHEN THE SEDIMENT HAS FILLED ONE THIRD OF THE AVAILABLE STORAGE. THE FILTER MEDIA FOR THE INSERT SHALL BE CLEANED OR REPLACE AT LEAST MONTHLY. J. REGULAR MAINTENANCE IS CRITICAL FOR ALL FORMS OF CATCH BASIN /INLET PROTECTION. UNLIKE MANY FORMS OF PROTECTION THAT FAIL GRADUALLY. CATCH BASIN PROTECTION WILL FAIL SUDDENLY AND COMPLETELY IF NOT MAINTAINED. 4. CATCH BASIN PROTEC7ION MUST BE REMOVED WHEN HOME CONSTRUCTION IS COMPLETE CATCH BASIN PROTECTION NOT TO SCALE OPEN PIPE END AT DESIGN W.S. 2 70 STEEL PIPE OR METAL STAKE EMBED IN CONCRETE BASE OR EQUIVALENT ANCHOR SUPPORT APPROVED BY ENGINEER SECURE TUBING TO PIPE SUPPORT WITH STRAPPING AT 12" O.C. MIN, CITY OF RENTON Approved by: Date: UTILITY PERMIT Approved by: Date: NO. U 13002729 Approved by: Date: coHaprcozot3 crac wm.a. uc. aia�measw.wa. ADvrovedbv: Date: NE 114, NW 114, SEC.14, TWP.23N., RGE. 5E., W.M. GRADE OUTLET PIPE WHERE SHOWN ON PLAN NO TRESPASSING PROTECTED TREES SIGNIFICANT EXIST. TREE CONTINUOUS CHAINLINK FENCING POST AT MAX. 10' O.C. INSTALL AT LOCATION AS SHOWN ON PLANS A. CONSTRUCTION STORAGE PROHIBITED: THE APPLICANT MAY NOT FILL, EXCAVATE, STACK OR STORE ANY EQUIPMENT, DISPOSE OF ANY MATERIALS, SUPPLIES OR FLUIDS, OPERATE ANY EQUIPMENT, INSTALL IMPERVIOUS SURFACES, OR COMPACT THE EARTH IN ANY WAY WITHIN THE AREA DEFINED BY THE DRIP LINE OF ANY TREE TO BE RETAINED. B. FENCED PROTECTION AREA REQUIRED: THE APPLICANT SHALL ERECT AND MAINTAIN SIX FOOT (6) HIGH CHAIN LINK TEMPORARY CONSTRUCTION FENCING AROUND THE DRIP LINES OF ALL RETAINED TREES, OR ALONG THE PERIMETER OF A STAND OF RETAINED TREES. PLACARDS SHALL BE PLACED ON FENCING EVERY FIFTY FEET (50) INDICATING THE WORDS, T10 TRESPASSING- PR07ED TREES- OR ON EACH SIDE OF THE FENCING IF LESS THAN FIFTY FEET (50'). SITE ACCESS TO INDIVIDUALLY PROTECTED TREES OR GROUPS OF TREES SHALL BE FENCED AND SIGNED. INDIVIDUAL TREES SHALL BE FENCED ON FOUR (4) SIDES. IN ADDITION, THE APPLICANT SHALL PROVIDE SUPERVISION WHENEVER EQUIPMENT OR TRUCKS ARE MOVING NEAR TREES. C. PROTECTION FROM GRADE CHANGES: IF THE GRADE LEVEL ADJOINING TO A TREE TO BE RETAINED IS TO BE RAISED, THE APPLICANT SHALL CONSTRUCTION A DRY ROCK WALL OR ROCK WELL AROUND THE TREE. THE DIAMETER OF THIS WALL OR WELL MUST BE EQUAL TO THE TREES DRIP LINE. D. IMPERVIOUS SURFACES PROHIBI7ED WITHIN THE DRIP LINE THE APPLICANT MAY NOT INSTALL IMPERVIOUS SURFACE MATERIAL WITHIN THE AREA DEFINED BY THE DRIP LINE OF ANY TREE TO BE RETAINED. E. RESTRICTIONS ON GRADING WITHIN THE DRIP LINES OF RETAINED TREES. THE GRADE LEVEL AROUND ANY TREE TO BE RETAINED MAY NOT BE LOWERED WITHIN THE GREATER OF THE FOLLOWING AREAS: (1) THE AREA DEFINED BY THE DRIP LINE OF THE TREE OR (ii) AN AREA AROUND THE TREE EQUAL TO ONE AND ONE -HALF FEET (1%2) IN DIAMETER FOR EACH ONE INCH (1) OF TREE CALIPER. A LARGER TREE PROTECTION ZONE BASED ON TREE SIZE, SPECIES, SOIL, OR OTHER COND177ONS MAY BE REQUIRED. (ORD. 5676, 12 -3 -2012) F. MULCH LAYER REQUIRED., ALL AREAS WITHIN THE REQUIRED FENCING SHALL BE COVERED COMPLETELY AND EVENLY WITH A MINIMUM OF THREE INCHES (3) OF BARK MULCH PRIOR TO INSTALLATION OF 774E PROTECTIVE FENCING. EXCEPTIONS MAY BE APPROVED IN THE MULCH WILL ADVERSELY AFFECT PROTECTED GROUND COVER PLANTS. (ORD. 5676, 12 -3 -2012) G. MONITORING REQUIRED DURING CONSTRUCTION: THE APPLICANT SHALL RETAIN A PROFESSIONAL ARBORIST OR OTHER QUALIFIED PROFESSIONAL TO PRUNE BRANCHES AND ROOTS, FERTILIZE, AND WATER AS APPROPRIATE FOR ANY TREES AND GROUND COVER WHICH ARE TO RETAINED. H. ALTERNATIVE PROTECTION: ALTERNATIVE SAFEGUARDS MAY BE USED IF DETERMINED TO PROVIDE EQUAL OR GREATER TREE PROTECTION. (ORD. 5676, 12 -3 -2012 TREE PROTECTION FENCE DETAIL NOT TO SCALE R- 313209 19 CALL BEFORE YOU DIG 1- 800.42A -5555 CP H CONSULTANTS Site Planning • Civil Pngneeiing Land Use Wrsulfing - Project Managemeld 733 M AVete, Sub llD I W1 AWA 9B]ii Hare(425) 28&M90 I FA (435) 385,2189 wwW.cOACanauItants.c0m MAPLEWOOD PARK EAST 1 5/30/14 ROADWAY GRADING, DRAINAGE AND SANITARY SEWER IMPROVEMENTS I- ESC DETAILS D< dz - 37 :7� --D-c (' C1.10 SCALE @� CITY OF � R E N TO N anning /Building /Public Works Dept. RYAN SCHAUBLE P' ETER EVANS i AMIE B. SCHROEDER, PE l AE . w xm atA: sax NO. REVISION BY APPROVED 19 CALL BEFORE YOU DIG 1- 800.42A -5555 CP H CONSULTANTS Site Planning • Civil Pngneeiing Land Use Wrsulfing - Project Managemeld 733 M AVete, Sub llD I W1 AWA 9B]ii Hare(425) 28&M90 I FA (435) 385,2189 wwW.cOACanauItants.c0m MAPLEWOOD PARK EAST 1 5/30/14 ROADWAY GRADING, DRAINAGE AND SANITARY SEWER IMPROVEMENTS I- ESC DETAILS D< dz - 37 :7� --D-c (' C1.10