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HomeMy WebLinkAboutTED4003450.28In[ SCALE: 1' = 20' 20' 10' 0 20' 40' CONTOUR INTERVAL = 2' NOTE: ALL BUILDINGS, FENCES AND STRUCTURES TO BE REMOVED WITHIN PROJECT BOUNDARY. INTERCEPTOR SWALE WITH CHECK DAMS SEE DETAILS ON SHEET ER-03 EXISTING AV LDRIVE. CONTRACTOR TO GAIN OWNER PERMISSION AND ADJUST GRADE USING SIMILAR MATERIAL AS REQUIRED. MAINTAIN ACCESS DURING CONSTRUCTION. SILT FENCE TO BE PLACED AT CLEARING LIMITS, SEE STD PLAN 214.00 ON SHEET ER-03 Cal 2 Working Days Before You Dig 1-800-424-5555 Utilities Underground Location Center (ID,MT,ND,OR,WA) IN CA A PORTION OF THE NW 1 /4 OF SECTION 15, TWP. 23 N. RGE. 5 E. W.M. KING COUNTY, WASHINGTON -LJ _ p \CRI11CAL AREA �� "``�•I- '0�. CLASS 3 WETLAND SIGNIFICANT TREES TO ~� \ CLEARING LIMITS ' SENSITIVE AREA BUFFER I f 7 FP=402.75 FP=402.75 ` FP=403.75 I I FP=401.75 ' �i FP=400.75 INSTALL DOUBLE ROW OF SILT FENCE ALONG WETLAND i AND STREAM BUFFER. � ---------- FP=391.25 i �I � FP=400.25 203+00 1 NGPE FENCE TO BE PLACED ! TAT CLEARING LIMITS. NE 2ND COURT yi Fme BUFFER 75 / FP=399.r ` _ I FP=390.7 �5 j I � � I i o I l i TESC POND tui� r FP-403 75 SURFACE AREA REQ D=3,542 SF , TESC POND PER STD INTERCEPTOR SWALE WITH CHECK DAMS SEE DETAILS! ON SHEET ER-03 FP=401.25 I I 1 � ti TOP 401.25 FP=402.75 C,; t � ! 1 I 1 o TOP 402.75 �- 396.75 1 ` ROCKERY DESIGN 1 BY OTHERS 1 ' I ;n TOP 401.25 I 1 � FP=400.75 ¢ BOT 396.75 I I � I �t o TOP 398.75 1 N 1 f ! FP=396.75 I I FP=398.75 t I J� CATCH BASIN FILTER -� � (TYP) PER STD PLAN / �216.30 ON SHEET ER-03 - \ 104+00 105+00, NE 2ND PLACE T CLEARING / LIMITS CHECKED FOR COMPLIANCE TO CITY STANDARDS RENTON JOB NO. tea- �❑�❑�❑� i i I 1 SECOND SUBMITTAL ESM 2 THIRD SUBMITTAL ESM 3 FOURTH SUBMITTAL ESM 4 MYLARS ESM S CONSTRUCTION SET ESM REVISION SURFACE AREA PROVIDED=3,675 PLAN 216.00 ON POND DEPTH=3.5 I SHEET ER-03 1 I I SEE TABLE THIS SHEET FOR MORE INFORMATION f ► JI � I I 1 FP=399.25 FP=390.25 I 6' EMERGENCY OVERFLOW F W SPILLWAY. ELEV =389.5 I -z II i 40 L. F. 12"0 S=1.25% z i t0 r �� I I CRITICAL AREA u � TYPE 4 STREAM FP=397.75 I i _ I _ P FP= 88.75 i O.HVV. I I TESC POND OUTLET I.E.=384.50, 12"0 I i 12" RISER j ` l I.E. =385.00, 12" 0 PER DETAIL 216.10 / I ON SHEET ER-03 STORMWATER VAULT FINISHED GRADE=395.00 + BUFFER ' M ® � I i 1 0s+on, �I CONSTRUCTION ENTRANCE SEE I DETAIL 21510 ON SHEET ER-03 WET SEASON PROVISIONS NOTE: THE FOLLOWING MEASURES ARE REQUIRED FOR CONSTRUCTION DURING THE WET SEASON (OCTOBER 1 - APRIL 30) IN ADDITION TO THE STANDARD TESC MEASURES, 1. THE ALLOWED TIME THAT A DISTURBED AREA MAY REMAIN UNWORKED WITHOUT COVER MEASURES IS REDUCED TO TWO CONSECUTIVE WORKING DAYS, RATHER THAN SEVEN (SECTION D.3.2), 2. STOCKPILES AND STEEP CUT AND FILL SLOPES ARE TO BE PROTECTED IF UNWORKED FOR MORE THAN 12 HOURS (SECTION D.3.2). 3. COVER MATERIALS SUFFICIENT TO COVER ALL DISTURBED AREAS SHALL BE STOCKPILED ON SITE (SECTION D.3.2). 4. ALL AREAS THAT ARE TO BE UNWORKED DURING THE WET SEASON SHALL BE SEEDED WITHIN ONE WEEK OF THE BEGINNING OF THE WET SEASON (SECTION D.3.2.5). 5. MULCH IS REQUIRED TO PROTECT ALL SEEDED AREAS (SECTION D.3.2.1). 6. FIFTY LINEAR FEET OF SILT FENCE (AND THE NECESSARY STAKES) PER ACRE OF DISTURBANCE MUST BE STOCKPILED ON SITE (SECTION D.3.3.1). T CONSTRUCTION ROAD AND PARKING LOT STABILIZATION ARE REQUIRED FOR ALL SITES UNLESS THE SITE IS UNDERLAIN BY COARSE -GRAINED SOIL (SECTION D.3.4.2). 8. SEDIMENT RETENTION IS REQUIRED UNLESS NO OFFSITE DISCHARGE IS ANTICIPATED FOR THE SPECIFIED DESIGN FLOW (SECTION D.3.5). 9. SURFACE WATER CONTROLS ARE REQUIRED UNLESS NO OFFSITE DISCHARGE IS ANTICIPATED FOR THE SPECIFIED DESIGN FLOW (SECTION D.3.6). 10. PHASING AND MORE CONSERVATIVE BMPS MUST BE EVALUATED FOR CONSTRUCTION ACTIVITY NEAR THE SURFACE WATERS (SECTION D.5.3), 11. ANY RUNOFF GENERATED BY DEWATERING MAY BE REQUIRED TO DISCHARGE TO THE SANITARY SEWER (WITH APPROPRIATE DISCHARGE AUTHORIZATION), PORTABLE SAND FILTER SYSTEMS, OR HOLDING TANKS. 12. THE FREQUENCY OF MAINTENANCE REVIEW INCREASES FROM MONTHLY TO WEEKLY (SECTION D.5.4). TEMPORARY SEDIMENT POND SUB BASIN AREA = 4.15 AC. INFLOW 10YR/15MIN = 1.77 CFS SURFACE AREA (REQ'D) = 3,542 S.F. SURFACE AREA PROVIDED = 3,675 S.F. POND DEPTH = 3.5' TOP BERM ELEV. = 390.5 EMERGENCY SPILLWAY ELEV. = 389.5 WATER SURFACE ELEV. = 388.5 EMERGENCY SPILLWAY WIDTH = 6.0' POND BOTTOM ELEV. = 385.0 POND TOP LENGTH = 105' POND TOP WIDTH = 35' DEWATERING ORIFICE DIA. = 2 7/16" DEWATERING TUBE DIA. = 6" RISER PIPE DIA. = 12" CONDITIONS FOR WET SEASON CONSTRUCTION 1. ANY CONSTRUCTION THAT WILL RESULT IN DISTURBED AREAS ON OR WITHIN A CRITICAL AREA OR ASSOCIATED BUFFER, SHALL BE SUBJECT TO THE "CRITICAL AREA RESTRICTIONS" CONTAINED IN THE ESC STANDARDS. THESE PROVISIONS INCLUDE PHASING THE PROJECT WHENEVER POSSIBLE SO THAT CONSTRUCTION IN THESE AREAS IS LIMITED TO THE DRY SEASON. 2. DURING CONSTRUCTION, ESC PLANS SHALL BE REVISED AS NECESSARY BY THE ESC SUPERVISOR OR AS DIRECTED BY THE CITY TO ADDRESS CHANGING SITE CONDITIONS, UNEXPECTED STORM EVENTS, OR NON-COMPLIANCE WITH THE ESC PERFORMANCE CRITERIA IN SECTION D.4.1 (P. D-69). IF NON-COMPLIANCE WITH THE ESC PERFORMANCE CRITERIA OCCURS, THE PLAN MUST BE UPDATED WITHIN 48 HOURS (FAILURE TO DO SO COULD RESULT IN A `STOP WORK" ORDER AS DETERMINED BY THE CITY INSPECTOR) OF INSPECTIONS OR INVESTIGATIONS. IMPLEMENTATION OF THE ONSITE CHANGES MUST OCCUR WITHIN 5 DAYS. 3. ALL ESC MEASURES SHALL BE MAINTAINED AND REVIEWED ON A REGULAR BASIS AS PRESCRIBED IN THE MAINTENANCE REQUIREMENTS FOR EACH BMP AND IN THIS SECTION. THE ESC SUPERVISOR SHALL REVIEW THE SITE AT LEAST WEEKLY DURING THE WET SEASON, AND WITHIN 24 HOURS OF SIGNIFICANT STORMS. IN GENERAL, A SIGNIFICANT STORM IS ONE WITH MORE THAN 0.5 INCHES OF RAIN IN 24 HOURS OR LESS, THE CITY MAY REQUIRE THAT A WRITTEN RECORD OF THESE REVIEWS BE KEPT ON SITE WITH COPIES SUBMITTED TO THE CITY WITHIN 48 HOURS. ® ll I A __�_ _ _ �_ ► RECORD DRAWING i v L�- �LJ- '�-� - •-• 1 /31/200E SURVEYED SCALE VERTICAL NAVD ' 988 10/22/201 C 1 •s209 HORIZONTAL'. NAD ' 98v/199' ' � CITY OF G LA D C O DEVELOPMENT, L.L.C. DESIGNED LV 12/06/201 P DRAWN' m RENTON ROSEWOOD HIGHLANDS AGE,°°K: PAGE - 12/22/201 ONE ;NDRAwNG NO- 02/24j2011 cHFcKm: AT EU�� SCALE CH DATUM Planning/Building/Public works Dept. T.E.S.C. AND GRADING PLAN ER-02 - IF NOT ONE NCH DATE AP P R APPROVED_ SCALE ACCORDINGLY SHEET: 6 OE`31 REVISIONS NO, DESCRIPTION/DATE BY SECOND SUBMITTAL ESM 01j31/2008 THIRD SUBMITTAL ESM 10j22/2010 3 FOURTH SUBMITTAL ESM 12/06/2010 4 MYLARS 12/22/2010 ESM _ CONSTRUCTION SET ESM 02/24/2011 6 AS BUILTS 0911212011 ESM AS BUILT MYLARS ESM 10/19/2011 z 0 z U3 0 r� V .J Z .I Z J Z = a. CW G 0 � Z 0 J C' W Q 0 Q W p Q U OL6 0 w U 3: II.� Ill Q J `/ o0 Z rr 1 w u_ O U 0 �8 U TO v g� J ad�a U m va 0 C fn E o D FLo W zom U z �iWw _j_j 0 - z Lu y o 0 i O 00 u z �0- N °� - �Q oC J Ly) "I O• U U _ja o 0 o .v U - m LL 3 •L 3 ®� 3 C` C0 D'3 C WV .0 Ud 'I°t L sr. 42334 O 0rsTE S��NAL JOB NO 1352-001-006 DWG. NAMEER-02 DESIGNED B, KAO DRAWN BY: CLC CHECKED BY: DATES 10/'19,/2011 DATE OF PRINT: E R-02 6 OF 31 SHEETS O � J J m O l ` e 1 00 min rx- z d 1 W