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HomeMy WebLinkAboutzR-4133setco CM T I 0 O) 00 O) M I N I n W HEATHER DO VVNS DETENTION POND WATER QUALITY RETROFIT PROJECT FUNDED IN PART BY WASH NTON STATE DEPARTMENT OF ECOLOGY r r r r r r r r r r r Lynwood 104 r Edmonds r r r 522 r 3 r r r r r r r Bothell rrrrrr� 405 -P- rrrrrr� � r r r r r r r 99 r r r r Kirkland r r r 3 r 305 r r r Redmond r r r 5 r r r ainbridge a Island r 303 _ r r r y 520 rrrrr �3 901 r r r r r SEATTLE Bellevue r r r r Elliott— Lake Sammnmish rrrr�Bay— 90 r rrrrrr Mercer r rrrrr ri rr rrrrr 5 slan r r r r r r r _ Issaquah 509 16 �J 99 Tukwila Renton 405 PROJECT Vashon LOCATION Island 167 Kent 302 r r r 16 �,, �r 5 181 LOCATION MAP SCALE: NTS �,ti S G fS � Al OF WASH/ "�p G 999 Third Avenue, Ste 3200 ~" Seattle, WA 98104 206.382.5200 0 ✓�0 �� 4 ­IST -14- �SSI0 L UTILITY CONTACTS CITY OF RENTON (425) 430-7400 WATER: and SEATTLE PUBLIC UTILITIES (206) 953-0184 CITY OF RENTON SANITARY SEWER: (425) 430-7400 COMCAST (206) 391-1763 or (253) 686-2592 CABLE: and/or CENTURYLINK (206) 733-8866 or (206) 733-8857 PUGET SOUND ENERGY POWER: (425) 559-4647 c z 0 z m N � rn z M SE 2nd PL 0 REDWOOD DR r m a Ji SHEET INDEX SHEET N0. DWG NO. SHEET TITLE 1 01 COVER SHEET NOTES & ABBREVIATIONS TESC PLAN 2 G2 3 Cl 4 C2 SITE PLAN — HEATHER DOWNS PROFILES & SECTIONS —SCHEDULE A WORK PLAN & PROFILES —SCHEDULE B WORK 5 C3 6 C4 7 C5 CIVIL DETAILS SHT 1 OF 2 8 C6 CIVIL DETAILS SHT 2 OF 2 PIPE REPLACEMENT LOCATION (SE 3RD PLACE) (DWG C-4/SCHEDULE B WORK HEATHER "NS ROJECT LOCATION (DWG C-2/SCHEDULE A WORK S 4thST� --- VICINITY MAP SCALE: NTS LaCmUorganroth RENT PLANNING DEVELOPMENT ENGINEERING 09/15/2020 ' Nathan Janders 09/15/2020 I DI R-413301 SURVEYED: SCALE: VERTICAL NAVD 1988 1 ALLIANCE AS NOTED HORIZONTAL NAD 1983/183/1991 CITY OF DESIGNED: 1 ALLIANCE DRAWAM N: RENTON BID SET JE 8-14-2020 MSG CHECKED: ONE INCH DATUM JC AT FULL SCALE NO. REVISION BY DATE APPR IF NOT ONE INCH Planning/Building/Public Works Dept. APPROVED: SCALE ACCORDINGLY MG APPROVED FOR CONSTRUCTION BY Ken Srilofung KEN SRILOFUNG DATE 08/27/2020 HEATHER DOWNS DETENTION POND WATER QUALITY RETROFIT PROJECT COVER SHEET DATE: 8/15/2020 FIELDBOOK: PAGE: DRAWING NO: G1 SHE-T: OF: 1 ©©0E ©0 M GENERAL NOTES 1. ALL WORK SHALL BE PERFORMED IN ACCORDANCE WITH APPLICABLE LOCAL, STATE, AND FEDERAL LAWS. 00 � 2. ALL WORK AND MATERIALS SHALL BE IN ACCORDANCE WITH THE CITY OF RENTON STANDARDS AND r- SPECIFICATIONS AND WASHINGTON STATE DEPARTMENT OF TRANSPORTATION "STANDARD SPECIFICATIONS FOR N ROAD, BRIDGE, AND MUNICIPAL CONSTRUCTION", 2020 AND AS AMENDED BY THE CITY OF RENTON I SUPPLEMENTAL SPECIFICATIONS AND THE CONTRACT SPECIAL PROVISIONS. C/) 3. ALL WORK SHALL BE SUBJECT TO THE INSPECTION OF THE CITY ENGINEER OR DESIGNATED REPRESENTATIVE. 4. PRIOR TO BEGINNING CONSTRUCTION, THE CONTRACTOR SHALL MEET WITH THE CITY ENGINEER FOR A PRE -CONSTRUCTION CONFERENCE. 5. A COPY OF THESE APPROVED PLANS AND PROJECT SPECIFICATIONS MUST BE ON THE SITE WHENEVER CONSTRUCTION IS IN PROGRESS. 6. PRIOR TO ANY SITE CONSTRUCTION THAT INCLUDES CLEARING OR GRADING, THE SITE CONSTRUCTION LIMITS SHALL BE LOCATED AND IDENTIFIED BY THE CONTRACTOR'S PROJECT SURVEYOR AND APPROVED BY THE CITY. 7. LOCATIONS OF EXISTING UTILITIES ARE APPROXIMATE. UTILITIES ARE BASED ON A COMBINATION OF ONE OR MORE OF THE FOLLOWING: OBSERVATION OF SURFACE FEATURES, PAINT MARKS APPLIED BY AN UNDERGROUND UTILITY LOCATING SERVICE, POTHOLING OF SOME UTILITIES, AND RECORD SCHEMATIC DRAWINGS. UTILITIES SHOWN IN THESE DRAWINGS ARE FOR THE PURPOSES OF ASSISTING THE CONTRACTOR WITH LOCATING UTILITIES. CONTRACTOR SHALL FIELD LOCATE AND POTHOLE ALL UTILITIES WITHIN PROPOSED EXCAVATION LIMITS UNLESS OTHERWISE DIRECTED BY CITY. CONTACT UNDERGROUND UTILITY LOCATE SERVICE (1-800-424-5555) A MINIMUM OF 48 HOURS PRIOR TO ANY EXCAVATION TO OBTAIN ON -SITE UTILITY LOCATIONS. POTHOLING SHOULD BE DONE AT LEAST TEN (10) WORKING DAYS IN ADVANCE OF WORK IN THE AREA. TAKE PRECAUTIONS AND REMEDIAL MEASURES THAT MAY BE REQUIRED TO PROTECT PERSONS AND PROPERTY AND TO AVOID DISRUPTION OF SERVICE. UNLESS OTHERWISE NOTED, PROTECT ALL UTILITIES FROM DAMAGE WHICH SHALL INCLUDE PROVIDING TEMPORARY SUPPORT SYSTEMS AND SHORING AROUND UTILITIES DURING EXCAVATION. IF AN EXISTING PRIVATE UTILITY CONFLICTS WITH PROPOSED IMPROVEMENTS, COORDINATE THE RELOCATION OF THE PRIVATE UTILITY WITH THE UTILITY OWNER UNLESS NOTED OTHERWISE. 8. THE CONTRACTOR SHALL COMPLY WITH ALL PERMITS AND ALL OTHER REQUIREMENTS BY THE CITY OF RENTON. SEE APPROVED PERMITS AND PERMIT REQUIREMENTS IN THE PROJECT SPECIFICATIONS. 9. EXISTING UNDERGROUND WATER LINE BENDS AND BLOCKING ARE NOT SHOWN. 10. CONTRACTOR SHALL BE RESPONSIBLE FOR PREPARATION OF TRAFFIC CONTROL PLANS. CONTRACTOR SHALL SUBMIT PLANS TO THE ENGINEER FOR APPROVAL PRIOR TO IMPLEMENTATION. SEE TRAFFIC CONTROL REQUIREMENTS IN SECTION 1-10 IN THE SPECIAL PROVISIONS. EXCEPT FOR AS SPECIFICALLY NOTED IN SECTION 1-10, CONTRACTOR SHALL MAINTAIN A MINIMUM OF ONE LANE OPEN IN EACH DIRECTION AT ALL TIMES ON ALL ROADS WITHIN THE PROJECT AREA. 11. SEE THE "STANDARD DETAILS" SECTION OF THE PROJECT SPECIFICATIONS FOR REFERENCED CITY OF RENTON (COR) STANDARD DETAILS AND REFERENCED WASHINGTON STATE DEPARTMENT OF TRANSPORTATION (WSDOT) STANDARD DETAILS. 12. STORM SEWER LENGTHS ARE MEASURED BETWEEN CENTERS OF MANHOLES AND CATCH BASINS UNLESS OTHERWISE NOTED. 13. EXCEPT AS OTHERWISE NOTED, CATCH BASIN AND MANHOLE RIM ELEVATIONS GIVEN WITHIN PAVED AREAS ARE APPROXIMATE. FINAL ELEVATIONS SHALL MATCH FINAL GRADE. 14. FOR BEDDING AND BACKFILLING AROUND EXISTING OR NEW UTILITIES USE CDF WHERE STANDARD METHODS DO NOT PERMIT COMPACTION REQUIREMENTS TO BE MET, AS SHOWN ON THE DWGS, OR AS DIRECTED BY ENGINEER. 15. FIELD LOCATE AND POTHOLE UTILITIES WHERE INDICATED IN PLANS. PROVIDE INFORMATION ON EXISTING UTILITY TO ENGINEER TWO WEEKS PRIOR TO ANY UNDERGROUND WORK NEAR THE UTILITY. 16. SEGMENTS OF THE WORK MAY BE PERFORMED UNDER ELECTRICAL OVERHEAD POWER LINES. IT IS THE CONTRACTOR'S RESPONSIBILITY TO PERFORM THE WORK IN A SAFE MANNER AND IN ACCORDANCE WITH ANY REQUIREMENTS SET FORTH BY THE UTILITY OWNER AND APPLICABLE LAWS AND REGULATIONS. EXISTING OVERHEAD LIGHTING AND TRAFFIC SIGNALS ARE SHOWN AS SYMBOLS. THE ACTUAL EXTENTS OF THESE FEATURES ARE NOT SHOWN TO SCALE ON DRAWINGS. 0 17. NO STAGING AREA IS PROVIDED TO THE CONTRACTOR. ALL STAGING AREAS SHALL BE ON A w CONTRACTOR -SECURED AREA. ALL TESC REQUIREMENTS SHALL APPLY TO ALL STAGING AREAS. 18. WHEN SEPARATION OF NEW PIPE IS LESS THAN 6" FROM EXISTING UTILITY USE ETHAFOAM PAD PER 7-08.3(2)K. CD 19. CONTRACTOR SHALL ERECT ONE (1) PROJECT SIGN. SEE DETAIL 3, DWG C5. 20. CONTRACTOR SHALL NOTIFY SEATTLE PUBLIC UTILITIES, CREW CHIEF, RICHARD COX AT 206-953-0184 WITH MINIMUM 72-HOURS NOTICE PRIOR TO WORKING WITHIN 10-FEET OF 36" SPU WATER MAIN LINE. 21. CONTRACTOR SHALL CONTACT KING COUNTY METRO AT 206-477-1140 WITH NOTICE OF AT LEAST 10 WORKING DAYS PRIOR TO CONSTRUCTION ACTIVITIES. 22. NO CONSTRUCTION RELATED ACTIVITY SHALL CONTRIBUTE TO THE DEGRADATION OF THE ENVIRONMENT, ALLOW MATERIAL TO ENTER THE SURFACE OR GROUND WATERS, OR ALLOW PARTICULATE EMISSIONS TO THE ATMOSPHERE, WHICH EXCEED STATE OR FEDERAL STANDARDS. ANY ACTIONS THAT POTENTIALLY ALLOW A DISCHARGE TO STATE WATERS MUST HAVE PRIOR APPROVAL OF THE WASHINGTON STATE DEPARTMENT OF ECOLOGY. CD CD vSs f I WA` S .=�� „ ��� G 999 Third Avenue, Ste 3200 Lv Seattle, WA 98104 14 02 206.382.5200 CD w 24055 1 Q SIONAL E� N0. m TESC BMPs INSTALLATION, VMTENANCL9 AND DISCHARGES GENERAL TESC REQUIREMENTS 1. INLET PROTECTION SHALL BE INSTALLED IN ANY ROAD OR PARKING LOT DRAINAGE 1. THE ESC FACILITIES SHOWN ON THIS PLAN MUST BE CONSTRUCTED PRIOR TO OR IN SYSTEM INLETS, EXISTING OR NEWLY INSTALLED, WHICH ARE LIKELY TO RECEIVE CONJUNCTION WITH ALL CLEARING AND GRADING ACTIVITIES IN SUCH A MANNER AS RUNOFF FROM THE DISTURBED AREAS DURING CONSTRUCTION. INLET PROTECTION TO ENSURE THAT SEDIMENT -LADEN WATER DOES NOT ENTER THE DRAINAGE SHOWN ON THE TESC PLANS ARE APPROXIMATE LOCATIONS. THE CONTRACTOR SHALL SYSTEM OR VIOLATE APPLICABLE WATER QUALITY STANDARDS. WHEREVER POSSIBLE, ADD INLET PROTECTION AS NECESSARY TO ALL CATCH BASINS THAT RECEIVE STORM MAINTAIN NATURAL VEGETATION FOR SILT CONTROL. WATER RUNOFF WITHIN THE PROJECT AREA AND THAT MAY OR MAY NOT BE SHOWN ON THE TESC PLANS. ALL INLET PROTECTION MUST BE REMOVED ONCE THE CONSTRUCTION IS 2. THE ESC FACILITIES SHOWN ON THIS PLAN ARE THE MINIMUM REQUIREMENTS FOR COMPLETE. ANTICIPATED SITE CONDITIONS. DURING THE CONSTRUCTION PERIOD, THESE ESC 2. AT NO TIME SHALL MORE THAN 1 FOOT OF SEDIMENT BE ALLOWED TO ACCUMULATE FACILITIES SHALL BE UPGRADED (E.G., ADDITIONAL SUMPS, RELOCATION OF HIGH WITHIN A CATCH BASIN. ALL CATCH BASINS AND CONVEYANCE LINES SHALL BE VISIBILITY FENCE AND ADDITIONAL BERMS, ETC.) AS NEEDED FOR UNEXPECTED CLEANED AT THE COMPLETION OF THE PROJECT. THE CLEANING OPERATION SHALL STORM EVENTS. ADDITIONALLY, MORE ESC FACILITIES MAY BE REQUIRED TO NOT FLUSH SEDIMENT -LADEN WATER INTO THE DOWNSTREAM SYSTEM. ENSURE COMPLETE SILTATION CONTROL. THEREFORE, DURING THE COURSE OF CONSTRUCTION IT SHALL BE THE OBLIGATION AND RESPONSIBILITY OF THE CONTRACTOR 3. WHERE SEEDING FOR TEMPORARY EROSION CONTROL IS USED, FAST GERMINATING TO ADDRESS ANY NEW CONDITIONS THAT MAY BE CREATED BY ITS ACTIVITIES AND TO GRASSES SHALL BE APPLIED AT AN APPROPRIATE RATE (EXAMPLE: ANNUAL OR PROVIDE ADDITIONAL FACILITIES OVER AND ABOVE THE MINIMUM REQUIREMENTS AS MAY PERENNIAL RYE APPLIED AT APPROXIMATELY 80 POUNDS PER ACRE). BE NEEDED. 4. WHERE STRAW MULCH IS USED FOR TEMPORARY EROSION CONTROL, IT SHALL BE APPLIED AT A MINIMUM THICKNESS OF 2", AND BE CERTIFIED WEED FREE. 5. ALL WORK AND MATERIALS SHALL BE IN ACCORDANCE WITH CITY OF RENTON STANDARDS AND SPECIFICATIONS. 6. THE ESC FACILITIES SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE DETAILS ON THE APPROVED PLANS. LOCATIONS MAY BE MOVED TO SUIT FIELD CONDITIONS, SUBJECT TO APPROVAL BY THE ENGINEER AND THE CITY OF RENTON INSPECTOR. 7. OFF -SITE STREETS MUST BE KEPT CLEAN AT ALL TIMES. IF DIRT OR MUD IS DEPOSITED ON THE PUBLIC STREET SYSTEM, THE STREET SHALL BE IMMEDIATELY CLEANED WITH POWER SWEEPER OR OTHER EQUIPMENT. ALL VEHICLES SHALL LEAVE THE SITE BY WAY OF THE CONSTRUCTION ENTRANCE AND SHALL BE CLEANED OF ALL DIRT THAT WOULD BE DEPOSITED ON THE PUBLIC STREETS. 8. IF ANY PART(S) OF THE CLEARING LIMIT BOUNDARY OR TEMPORARY EROSION/SEDIMENTATION CONTROL MEASURE(S) IS/ARE DAMAGED, IT SHALL BE REPAIRED IMMEDIATELY. 9. ALL PROPERTIES ADJACENT TO THE PROJECT SITE SHALL BE PROTECTED FROM SEDIMENT DEPOSITION AND RUNOFF. 10. DO NOT FLUSH CONCRETE BY-PRODUCTS INTO THE STORM DRAINAGE SYSTEM. IF EXPOSED AGGREGATE IS FLUSHED INTO THE STORM SYSTEM, IT COULD MEAN RE -CLEANING THE ENTIRE DOWNSTREAM STORM SYSTEM, OR POSSIBLY RE-LAYING THE STORM LINE. 11. THE CONTRACTOR SHALL NOT DISCHARGE TURBID WATER GENERATED FROM CONSTRUCTION ACTIVITIES, DIRECTLY TO ANY STREAMS, STORM WATER SYSTEM INLETS, OR DRAINAGE DITCHES IN ACCORDANCE WITH THE GENERAL PERMIT. 12. THE CONTRACTOR SHALL NOT DISCHARGE ANY CLEANING SOLVENTS OR CHEMICALS UTILIZED FOR TOOL OR EQUIPMENT CLEANING TO THE GROUND. REFUELING OF EQUIPMENT SHALL BE CONDUCTED AWAY FROM THE DRAINAGE FACILITIES AND DONE IN SUCH A MANNER AS TO PREVENT SPILLS FROM ENTERING THE GROUNDWATER OR WATER BODIES (INCLUDING WETLANDS). SPILLS SHOULD BE PREVENTED FROM HITTING THE GROUND PER CONSTRUCTION STORMWATER POLLUTION PREVENTION PLAN (CSWPPP). 13. THE CONTRACTOR SHALL SET ASIDE A SEPARATE AREA FOR THE WASH -OUT OF CONSTRUCTION EQUIPMENT AND TOOLS. 14. THE CONTRACTOR SHALL PROPERLY DISPOSE OF ALL CONSTRUCTION DEBRIS IN AN APPROVED AND PERMITTED LANDFILL FACILITY. 15. CONTRACTOR SHALL VERIFY THE FEASIBILITY, OBTAIN AN INDUSTRIAL WASTE DISCHARGE AUTHORIZATION PERMIT AND SEEK APPROVAL FROM THE CITY OF RENTON UTILITY DISTRICT PRIOR TO DISCHARGE OF ANY CONSTRUCTION RUNOFF TO THE SANITARY SEWER. SECTION INDICATORS DRAWING ON WHICH SECTION IS CUT (Cl SECTION LETTER rk'� C22 DRAWING REFERENCE NUMBER ON WHICH SECTION APPEARS DRAWING ON WHICH SECTION APPEARS (C2): SECTION SECTION LETTER A DESCRIPTION (OPTIONAL) C1 SCALE: XX DRAWING REFERENCE NUMBER ON WHICH SECTION IS CUT SURVEYED: 1 ALLIANCE DESIGNED: 1 ALLIANCE DRAWN. AM BID SET JE 8-14-2020 MSG CHECKED: JC REVISION BY DATE APPR APPRMG OVED DETAIL INDICATOR DRAWING ON WHICH DETAIL IS REFERENCED (Cl): DETAIL NUMBER 1 C2 DRAWING REFERENCE NUMBER ON WHICH DETAIL APPEARS DRAWING ON WHICH DETAIL APPEARS (C2): DETAIL DETAIL NUMBER DESCRIPTION (OPTIONAL) C1 SCALE: XX DRAWING REFERENCE NUMBER ON WHICH DETAIL IS REFERENCED SCALE: AS NOTED ONE INCH AT FULL SCALE IF NOT ONE INCH SCALE ACCORDINGLY VERTICAL: NAVD 1988 HORIZONTAL. NAD 1983/1991 !, DATUM 3. THE ESC FACILITIES SHALL BE INSPECTED BY THE CONTRACTOR DAILY DURING NON -RAINFALL PERIODS, EVERY HOUR (WORKING HOURS) OR EVERY EIGHT HOURS (NON -WORKING HOURS) DURING A RAINFALL EVENT AND AT THE END OF EVERY RAINFALL, AND MAINTAINED AS NECESSARY TO ENSURE THEIR CONTINUED FUNCTIONING. IN ADDITION, TEMPORARY SILTATION PONDS AND ALL TEMPORARY SILTATION CONTROLS SHALL BE MAINTAINED IN A SATISFACTORY CONDITION UNTIL SUCH TIME THAT CLEARING AND/OR CONSTRUCTION IS COMPLETED, PERMANENT DRAINAGE FACILITIES ARE OPERATIONAL, AND THE POTENTIAL FOR EROSION HAS PASSED. WRITTEN RECORDS SHALL BE KEPT DOCUMENTING THE REVIEWS OF THE ESC FACILITIES. 4. THE ESC FACILITIES ON INACTIVE SITES SHALL BE INSPECTED AND MAINTAINED A MINIMUM OF ONCE A MONTH OR WITHIN 48 HOURS FOLLOWING A STORM EVENT. 5. THE ENGINEER HAS THE AUTHORITY TO HALT CONSTRUCTION IF EROSION CONTROLS ARE NOT MAINTAINED PROPERLY OR IF A VIOLATION HAS NOT BEEN CORRECTED. THE CONTRACTOR SHALL BEAR ALL RISK AND ALL COSTS OF ANY WORK DELAYS CAUSED BY THESE ACTIONS. ABBREVIATIONS APPROX APPROXIMATE IE INVERT ELEVATION BLDG BUILDING LF LINEAR FEET BR-1 BORING # 1 LT LEFT CB CATCH BASIN MH MANHOLE CDF CONTROLLED DENSITY FILL MIC MONUMENT IN CASE CIP CAST IN PLACE MIN MINIMUM CJ CONSTRUCTION JOINT i CENTER LINE N NORTHING, NORTH CL CLASS, CENTER LINE NE NORTHEAST CLF CHAIN LINK FENCE NO NUMBER CLR CLEAR NTS NOT TO SCALE CMP CORRUGATED METAL PIPE CO CLEAN OUT OC ON CENTER COMM COMMUNICATION OD OUTSIDE DIAMETER CONIC CONCRETE OH OVERHEAD CPEP CORRUGATED POLYETHYLENE PIPE OU OVERHEAD UTILITY CSBC CRUSHED SURFACING BASE COURSE CSTC CRUSHED SURFACING TOP COURSE PPP POLYPROPYLENE PIPE CTJ CONTROL JOINT PSE PUGET SOUND ENERGY CTR CENTER PVC POLYVINYL CHLORIDE CY CUBIC YARD R RADIUS DI DUCTILE IRON RCP REINFORCED CONCRETE PIPING DIA DIAMETER ROW RIGHT OF WAY DWG DRAWING S SLOPE, SOUTH E EASTING, EAST SD STORM DRAIN EL, ELEV ELEVATION SDMH STORM DRAIN MANHOLE EOP EDGE OF PAVEMENT SHT SHEET ESC EROSION AND SEDIMENTATION CONTROL SIM SIMILAR EX. EXIST EXISTING SS SANITARY SEWER SSMH SANITARY SEWER MANHOLE GALV GALVANIZED STA STATION STD STANDARD HMA HOT MIX ASPHALT SWPPP STORMWATER POLLUTION PREVENTION PLAN HORIZ HORIZONTAL % 0+ CITY OF RENTON Planning/Building/Public Works Dept. TESC TEMPORARY EROSION AND SEDIMENT CONTROL TYP TYPICAL WSEL WATER SURFACE ELEVATION XXXX SDMH/SDCB NUMBER R-413301 --T HEATHER DOWNS DETENTION POND WATER 8/15/2020 QUALITY RETROFIT PROJECT FILLDB°° NOTES & ABBREVIATIONS PAGE. DRAWING N0: G2 SHEET: 2 8 S W P- 3 9 8 9 C'7 CM T 1 C] WE M 00 M O) r M O N w >� 0 z Q LLJ N 0 0 0 LL i 0 0 El- LH cD 0 CD w z 0 z Q OR SYMBOL LEGEND OX CONSTRUCTION NOTE XO GRADE CONTROL POINT GENERAL NOTES 1. PIPE ZONE BEDDING AND COMPACTION SHALL BE PER COR STD. PLAN 220.10 2. TYPICAL TRENCH AND BACKFILL SHALL BE PER COR STD. PLAN 220.20 O SDMH 2O46 RIM =374.48 E 15 CMP W=369.43 IE 12" CMP N=368.13 IE 24" CONC SE=368.03 SDCB 2045 TYPE I RIM=373.96 IE 15" CMP E=370.30 SDMH 2165 RIM=375.31 TOP 12" VERT CMP O/F SE=373.61 I E=368.01 IE 8"PVC SW=371.61 IE 24" CONC NW=368.01 IE 24" CMP N E=368.01 SDCB 2047 TYPE I RIM=373.72 IE 8" CMP N E=372.02 SDMH 2O48 RIM=374.09 E 12 CMP SW=369.69 IE 12 CMP S=368.49 IE 12" CONC N=368.06 ABANDONED IE 12 CONC E=367.79 SDCB 2002 TYPE I STRUCTURE ROTATION RIM =373.47 E 12 CMP N=370.34 IE 12" CMP NE=370.15 SSMH 2289 RIM=374.24 CTR CHANNEL N.E.S=359.59 -14- Q2 24055 D O O O O O O O II U) TOP CENTER 0.45' TALL RR c, TI ES v 4 1 -FND 1/2" REBAR W/WHITE CAP, "B&F INC 12870 & 129XX" (ILLEGIBLE) 24" STUMP GROUND=375.7 6' CLF GATE STOP=377.1' CB#1 cn �•� �`/ 2203 _lo.� 0 18 0� U mLU --� N N U) r4 U M 9 I I Cl VI / 36" SPU WATER 9A �L � w �N J } G _a N p w M Uj .1 U N 13 r z I o J LU < BR#2 LLJ Q � rn Ile V I V) 1 C-3 3 � V) L� DO 0 -_ > J w I 1 Q z � Y O w (D Q U z 0 Y U z O DO CC 0-w " Ow m _ I Al i U, ' 19 24" CKAP W/DEBRIS CA �} 7 _ I E=3682 a N I I I 8 N 4 04 2045 I - - � CB#2 FND 5/8" REBAR, NO CAP 165 -375� o(A no W4H 14 30" STUMP GROUND=376.9 TOP=378.1' A C-3 CLF ND � I)_ 0rn I M o 17 CIRc BR#1 B#3 \ OTS RAIPSING NC WALK Ln r m CONSTRUCTION NOTES O1 CONNECT NEW TYPE 2 CB TO EXISTING 12-INCH SD TO NORTH. CB#1 TO BE A 48-INCH SADDLE TYPE CB TO MAINTAIN THE DRAINAGE IN 12-INCH SD DURING CONSTRUCTION. PLUG AND ABANDON EXISTING 12-INCH TO SOUTH FOLLOWING POND CONSTRUCTION. SEE DETAIL 1 ON SHEET 7. RESTORE DISTURBED GRASS AREA WITH SODDING. RESTORE 0.45' HIGH RR TIES FOLLOWING CONSTRUCTION. SHED O2 INSTALL 42 LF 18-INCH CPEP PIPE. SEE PROFILE 1 ON SHEET 5. O3 REGRADE EXISTING ACCESS ROAD. NEW ROAD SHALL BE AT MAXIMUM 5H:1V SLOPE. ROAD SURFACING SHALL LEAN BE A MINIMUM OF 15-FT WIDE. SEE DETAIL 1 ON SHEET 5. TO ® ONCE POND IS CONTRUCTED, REMOVE SECTION OF 12-INCH PIPE IN NEW CB, PLUG 12-INCH PIPE TO SOUTH TOP CENTER AND DIVERT FLOW TO POND. 0.3' TALL CONC WALL O REMOVE RISER FROM EXIST. CONTROL STRUCTURE IN SDMH#2165. FILL IN ANY HOLES ON STRUCTURE 6' BOARD FENCE INTERIOR CAUSED BY REMOVAL OF EXISTING HARDWARE WITH NON -SHRINK GROUT. © INSTALL NEW 54-INCH TYPE 2 CB WITH NEW CONTROL STRUCTURE. SEE DETAIL 1 ON SHEET 8 AND PROFILE 2 ON SHEET 5. BACKFILL DISTURBED AREA WITH GRAVEL BORROW TO MATCH EXISTING GRADE. ® O7 INSTALL 8 LF OF 24-INCH CPEP OUTLET. SEE PROFILE 2 ON SHEET 5. a ;t ;t D m M ® REMOVE APPROXIMATELY 11 LF OF EXISTING 24" PIPE AND DEBRIS BARRIER. INSTALL 8 LF 18-INCH CPEP p aI N " I PIPE. CONNECT PIPE TO EXIST MH#2165. SEE PROFILE 2 ON SHEET 5. mz0 16 °� O9 REMOVE AND INSTALL APPROX. 338 LF OF HIGH CHAIN LINK FENCE WITH 6 FT CHAIN LINK FENCE PER COR STD PLAN 234.60 AND 234.70. CONTRACTOR TO REMOVE ALL IVY GROWTH ON EXIST FENCE. REPLACE EXIST. GATES WHERE SHOWN. PROVIDE FENCE SLATS ON FENCE AND GATES. APPROXIMATELY 36 LF OF GATE FENCING SHALL BE REMOVED AND REPLACED AS NOTED BELOW. GATES SHALL BE ABLE TO SWING IN AND OUT. 10 9A. INSTALL 20 FT WIDE GATE SIMILAR TO COR STD PLAN 234.60. NOTE 20 FT WIDTH RATHER THAN STANDARD 16 FT WIDTH. 9B. INSTALL 16 FT WIDE GATE PER COR STD PLAN 234.60. 10 MOW ALL EXISTING SIDE SLOPES TO 6-INCH TALL. HYDROSEED ANY DISTURBED AREAS HAVING EXPOSED SOILS. 11 INSTALL 54-INCH TYPE-2 CATCH BASIN OVERFLOW STRUCTURE CB#3 WITH DEBRIS BARRIER PER COR STD Ln DETAIL 234.20. SEE PROFILE 3 ON SHEET 5. BACKFILL DISTURBED AREA WITH GRAVEL BORROW TO MATCH m ^ EXISTING GRADE. IApr �zr N 0rn Q- 12 INSTALL 14 LF 24-INCH CPEP PIPE. CONNECT NEW PIPE TO EXIST SDMH#2165. CORE DRILL CONNECTION AT ° EXISTING STRUCTURE. SEE PROFILE 3 ON SHEET 5. 13 DECOMMISSION EXIST. GROUNDWATER MONITORING WELL. SEE SECIAL PROVISION 1-09.14(2)AD FOR DETAILS. 15 14 QUARRY SPALL ROCK PAD SHALL BE 12-INCH THICK, 8-FT LONG AND 6-FT WIDE. SEE PROFILE 1 SHEET 5. THE PAD SHALL BE PLACED OVER FILTER FABRIC MEETING WSDOT STD. SPECIFICATION 9-13.1(1). 15 EXTENT OF 18" THICK LOW PERMEABILITY LINER MATERIAL. SEE DETAIL 2 ON SHEET 7 AND SPECIAL PROVISION 2-03.2. 16 INSTALL LANDSCAPE PLANTING BETWEEN ELEVATIONS 365 AND 369 (EXCEPT AT ACCESS ROAD). SEE DETAIL 2 ON SHEET 8 FOR LANDSCAPING PLANS AND SCHEDULES. 17 INSTALL DEBRIS BARRIER PER COR STD. PLAN 223.00. 18 REMOVE AND REPLACE APPROX 4 SY CEMENT CONCRETE SIDEWALK AND 10 LF OF CURB AND GUTTER FOR TYPE 2 CATCH BASIN CB#1 INSTALLATION. TRANSITION TO EXISTING SHALL BE TO NEAREST FULL DEPTH PANEL 3.0' WIDE JOINT. INSTALLATION OF SIDEWALK AND CURB & GUTTER SHALL BE PER COR STD DETAILS 101, 102, AND 103. BENCH (FLAT) SIDEWALK SHALL MATCH EXISTING WIDTH. ASPHALT REPAIR SHALL BE PER COR STD DETAIL 103. 19 GRADING POINT (TYP). SEE GRADING POINT TABLE ON THIS SHEET. I FND 5/8" N 374 JREBAR, NO Ll CAP 2069 °�I 2185 In 2047 "STOP" 1� 12 11 EMERGENCY OVERFLOW ALK W STRUCTURE 3� w W / N WV LID=373.87' I 5 / �- W W V' TOP NUT=372.77' - W Q - -12 , 1-24 WV LID=373.46' U co a 049 CEDAR TOP NUT=370.76' 0 2048 SD N 374 SD SD 00 S - - SD 200 5� 913 pU DOUBLE RAISE QiVIARKERS 4TH ST � 2289 S 00 _SS-_tF �pB=�73.96' SS SS SS 00 TOP OF NUT=371.46' SS - o OP OF PIPE TO PLAN N 69.46' 0u IM=374.01 ;: 102 SDCB 69 TYPE I SCALE 1:10 /IE 12" PVC NW=367.66 373.64 IE 12" CONC E-W=367.58 -- IE 12 CMP N=370.79 110 5 0 10 20 / 2169 1 =10 Scale Feet POINT NO. NORTHING EASTING ELEVATION DESCRIPTION 1 177580.111 1311394.612 365.00 INLET PIPE 2 177579.633 1311410.119 365.00 POND BOTTOM 3 177567.849 1311409.151 365.00 POND BOTTOM 4 177509.451 1311411.466 365.00 POND BOTTOM 5 177510.459 1311385.012 365.00 POND BOTTOM 6 177515.437 1311384.944 365.00 POND BOTTOM 7 177517.443 1311393.652 365.00 POND BOTTOM / ACCESS ROAD 8 177534.646 1311403.308 365.00 POND BOTTOM / ACCESS ROAD 9 1 177553.358 1311402.970 365.00 POND BOTTOM 10 177568.287 1311400.268 365.00 POND BOTTOM 11 177589.302 1311378.558 369.00 POND LINER 12 177586.017 1311418.820 369.00 POND LINER 13 177502.354 1311419.848 369.00 POND LINER 14 177503.823 1311376.923 369.00 POND LINER 15 177530.190 1311378.254 369.00 POND LINER 16 177555.201 1311392.867 369.00 POND LINER 17 177554.097 1311375.087 371.50 ACCESS ROAD 18 177565.192 1 1311385.686 370.50 ACCESS ROAD 19 177502.154 1 1311377.724 368.14 OUTLET PIPE SURVEYED: SCALE: 999 Third Avenue, Ste 3200 1 ALLIANCE VERTICAL: NAVD 1988 83/1 AS NOTED HORIZONTAL: NAD 1983/1991 Seattle, WA 98104 DESIGNED 206.382.5200 1 ALLIANCE DRAWN AM I ONE INCH DATUM BID SET JE 8-14-2020 MSG CHECKED JC AT FULL SCALE N0. REVISION BY DATE APPR E NOT ONE INCH APPROVED. SCALE ACCORDINGLY MG • CITY OF RENTON • Planning/Building/Public Works Dept. 1-ALLIANCE CONTROL POINTS POINT # NORTHING EASTING ELEVATION DESCRIPTION 101 177557.99 1311316.26 374.13 MAG NAIL 102 177446.71 1311360.62 373.80 MAG NAIL 103 178418.36 1311352.40 391.02 MONUMENT IN CASE NEAR UNION AVE SE & SE 2ND PL - COR MONUMENT #0478 104 177463.26 1311334.56 373.70 MIC-RTK TO 83-91 200 177463.25 1311334.56 373.73 MONUMENT IN CASE AT INTERSECTION OF CENTERLINES OF UNION AVE SE & SE 4TH ST 201 177455.86 1311609.45 371.32 MONUMENT IN CASE NEAR SE 4TH ST & SE 4TH PL 2069 177487.45 1311364.98 374.40 REBAR 2185 177485.56 1311434.93 374.02 REBAR 2203 177607.36 1311367.47 375.13 REBAR W/ CAP 536870915 177557.99 1311316.28 374.14 MAG NAIL R-413301 DATE: HEATHER DOWNS DETENTION POND WATER 8/15/2020 QUALITY RETROFIT PROJECT FIELD600K PAGE: DRAWING N0: SITE PLAN - HEATHER DOWNS C2 SHEET: OF. 4 8 mWmmmm : ik CONSTRUCTION NOTES co co T 1 O rn 00 rn co rl- Cl) WOVEN GEOTEXTILE FABRIC FOR SEPARATION PER TABLE 3, WSDOT STD SPEC 9-33.2(1) - NOTES: ................... ,................................................................. ............... .c5.X ..... . ....... .1-i1........ ... ... ... .................. . oj`r �, . . . . . . . . . . . . . . . . . ,, „ . . cn cn . 380 ::. ....... ......... ......... . N.r.....:.............: ................. ................ ................. r� ......... : ' lam. .O.......... ... !"? .. ram. r, � .... ......... ......... ........ . m :W.w ..... ......... ......... ................ ................ ................. .. ...... :EXIST.: 12" :WATER :MAIN: ........ . IE,:370.00....... ......... ......... ...... :: APPROX:.... ......... 370 ::: �: :: ::::: ::: ' :: E ISTING. PO.IV�Q :BOTTOM: : ....... ...... : PIPE: ELEV.=365:00 ..... ' .. :: :P.ROP.OSED :P.OND . .130170M :ELEV.: 365 0 :.:........................ ;.:.:.: ' ............. ................. •4 .LF. 18.... . :CPEf' :RIPE :AT ....: ROEK: PAD: :SE : CONSTRUCTION NOTE 14 ....:Fr-*1 LTER: ON: OW 000 :EXIST SDMH 2475 •F C BOTTOM : EL•EV•.=3 4.00 360....... AS I. ::: PROFILE POND INLET PIPE �2 HOR. SCALE: 1 "=20' VER. SCALE: 1 "=5' MIN. WIDTH 15.0' -0 Bowl 4" MIN. CSTC SEE NOTE 2 -12" QUARRY SPALLS SEE NOTE 3 APPROX. EXIST. GRADE GRAVEL BORROW FILL SEE NOTE 4 1. THE ACCESS ROAD SHALL BE AT MAXIMUM 5H:1V LONGITUDINAL SLOPE. 2. CSTC SHALL BE PER WSDOT STD. SPEC. 9-03.9(3). 3. QUARRY SPALLS SHALL BE PER WSDOT STD SPEC 9-13.1(5) 4. GRAVEL BORROW, PER WSDOT STD. SPECS 9-03.14(1), AS NEEDED TO ACHIEVE DESIGN GRADES. COMPACT TO 90% OF THE MDD. DETAIL � NTS C-2 370 360 ....................:...................:...................:...................:.......................................:...................:...................:...................:................... x :w.x: x LLi. .: :�:..... . ,� := . �. w .� ......... ........ . � :w.�. � .w: :::: : ...... . .... ..�.. . �........:........:...................:....................:....................:...................:...................:....................................... ......... . . ... . 00•4 00 �. :Ld . . . . . . . . . . . . . . . . . . . . . . . . •-- �.N. �. �.I J.`f� . . . . . . . . . . . . . . . . . . 4 In o :o • o. o In . z. cry .c. ......... ......... ......... 380 ::: 00 . co. � .o . _.. .. :�: :::: ::::::::: ::::::::: ::::::::: ::::::::: ::::::::: ........ . co :co cam' r` ,� . :::. 00 ...,,,..rr,..,,,.,.r,,..rn...:... ....�..� :..L_...........:....................:.................. ...:N,� O © > ......... . ...... �.00. �.�.�. ......... ......... ......... ......... ......... co M. Q. :w' LLI .�.�.cr .... ........ . ..................................... ......... .....................................................:....................:...................:...................:....................................... 8 . LF .2.4.0 CPEP • PIPE.... ......... ......... ......... ......... ......: ...... ..... ::IE; 368.-0.1... . INSTALL : DEBRIS :CARRIER 8: EF: �$" :CPE:P::P:IP:E �: :: :: ' ::: PER: COR; STD: DETAIL: 22.1D0::::::: ::::::::: ::::::::: 370 :::...... :::::: " : ...... :" :EXISTING:GROUND:: :......: ::::::::: ::::::::: ::::::::: ......... .BOTTOM....... EXIST.:12" :PVC TO: SDMH#:2:049::::: ......... ......... ::::::::: ......... ......... PROFILE 2 /'2 OUTLET PIPE AND CONTROL STRUCTURE C-2 HOR. SCALE: 1 "=20' ........................................................................................................................................................................................................ . ::::: ::::::: ::: " :' EXiSTiNG POND SIDE SLOPES::::::::::::::::::::::::::::::::::::::::::::: ..........:.........:.............................................................................. ........:.........:.. kPPROX.:i:33H:1V ::::::3:=F:EfT:BENCH 3�tP.:::'::::::::':::::::::::::::::::::::::::::::: .�....:.. .:.:::::::::: EXfSTtNG :P.QNR QQTTOM: ::.......:.........:.........:........ . PROPOSED: POND :::::::::::::::: BOTTOM :ECE\?.=365:Q:'::::::::::`::��:::::::::::::::::::::::�::::::::: _.................:..................:..................:...................:...................:...................:............. EXTENT OF LIiJfR.............. ;................... SEE PLAN - NlETP.OND 4VSE=368 1:4.::::::: .. NEW SLOPE 2Fii1V COJ�tP.QST: AMENDED: 59€L`.::CINER:I�AtERIAC : ' SECTION A HOR. SCALE: 1 "=20' C-2 VERT. SCALE: 1 "=5' 1. PROTECT AND SUPPORT UTILITY. .................... ....r...............:........r..........:.............r.....:................... .........:....................................... J. ..... CCU. ... ................ ................ .................. L-.� . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . fx... .....N.. ........ ........ ........ . .... L6. ......... ......... 0 380 a..........c�. L6J X ..:............................................................... : :�.f`.p:: : : : : : : : : : �, r?: LLJ EXISTING :GROUND : aa.o.J. .... ....... ......... ......... 370 .. .. •.. ::::::: :::::: ' E:X�ST.: 2" :PVC::::::: 1'4 :L:F: 24" : CPEP 'AT :4:1% PROFILE 3 3 EMERGENCY OVERFLOW �-2 HOR. SCALE: 1 "=20' VER. SCALE: 1 "=5' STRUCTURE SCHEDULE NO. NORTHING * EASTING * STRUCTURE TYPE, DETAIL FRAME & LID/GRATE, DETAIL NOTES REFERENCE REFERENCE CB#1 177602.9798' 1311359.5034' CATCH BASIN TYPE-2 48" DIA, SADDLE TYPE. PER COR STD ROUND FRAME AND COVER SEE DETAIL 1 PER COR STD PLAN 204.50. ON C5. PLAN 201.00. CB#2 177496.8301' 1311372.3925' CATCH BASIN TYPE-2 54" DIA. PER COR STD PLAN 237.00 ROUND FRAME AND COVER SEE DETAIL 1 WITH RESTRICTOR. PER COR STD PLAN 204.00. ON C6. CB#3 177492.3035' 1311381.7911' CATCH BASIN TYPE-2 54" DIA. WITH OVERFLOW PER COR STD BIRD CAGE PER COR STD DETAIL 234.20. PLAN 201.00 AND 234.20. * ALL COORDINATES ARE REFFERED TO THE CENTER OF STRUCTURE 20 10 0 20 40 1 "=20' Scale Feet "= 5 2.5 0 5 10 1 5' Scale Feet R-413301 SURVEYED: SCALE:DATE 999 Third Avenue, Ste 3200 1 ALLIANCE VERTICAL: NAVE) ,g88 8 15 2020 Seattle, WA98104 • AS NOTED HORIZONTAL: NAD 1983/1991 ® CITY OF FIELDBHEATHER DOWNS DETENTION POND WATER / / DESIGNED: 206.382.5200 1ALLIANCE QUALITY RETROFIT PROJECT PAGE: DRAWN RENTON PAGE AM ONE INCH �ATU M DRAWING N0. BID SET JE 8-14-2020 MSG CHECKED:AT FULL SCALE C3 JC NOT ONE INCH Planning/Building/Public Works Dept. PROFILES & SECTIONS -SCHEDULE A WORK N0. REVISION BY DATE APPR APPROVED: SCALE ACCORDINGLY SHEET: of MG 5 8 S W P- 3 9 8 9 co M T 1 0 r) C'7 CM T 1 C] 00 (3) N I I Cn cn J Q w 0 J_ U U 0 0 Of / 0 i U N i U w 0 Ln O O 0 N O oo o w z O GO cn w Z QQ m REMOVABLE FLANGE WATERTIGHT COUPLING OR 6" MAX. --w-] [-a— PLATE WELDED TO ELBOW WITH ORIFICE DIA 21 ". SEE NOTE 3 ELBOW RESTRICTOR DETAIL NTS E:iffe 2" MIN. 95 RIM 375.31 V.=371.11 ELBOW RESTRICTOR. IIN. SEE DETAIL AND NOTE 10 PIPE SUPPORTS 1.5 x D ° SEE NOTE t111IN. 18" CPEP OUTLET PIPE — 18" CMP "T" RISER IE 368.01 SEE NOTES 1 & 5 18" RISER DIAMETE IE 366.14 RESTRICTOR PLATE WITH 2.5 " ORIFICE DIAMETER 2" +/- ACCESS ADJACENT TO TEE 2' MIN. CLEARANCE TO ANY PORTION OF FROP-T INCLUDING ELBOWS FRAME & SOLID COVER WITH LOCKING BOLTS PER COR STD PLAN 204.50 TOP OF RISER ELEV.=373.61 VERTICAL BAR GRATE FOR SECONDARY f�/INLET UV ELEV.=371.11 HANDHOLDS, STEPS OR LADDER SEE NOTE 9 (TYP.) I 2' MIN. INLET 24" CPEP PIPE IE 368.01 PIPE SHEAR GATE WITH N CONTROL ROD FOR 12" CLEANOUT/DRAIN (ROD BENT AS REQUIRED FOR 12" VERTICAL ALIGNMENT o WITH COVER) SEE STD. N 12" PLAN 237.30 SECTION A -A NTS ADDITIONAL LADDER RUN (IN SETS) TO ALLOW ACCESS TO TANKS OR VAULTS WHEN CATCH IS FILLED WITH WATER. I �I ELBOW RESTRICTOR SEE SEE DETAIL 2, MIN \ NOTE 9 ANGLE AS NECESSARY PLAN VIEW SEE NOTE 7 NTS NOTES: 1. USE A 54" DIAMETER TYPE 2 CATCH BASIN. 2. OUTLET CAPACITY: 100-YEAR DEVELOPED PEAK FLOW. 3. METAL PARTS PREFERRED TO BE STAINLESS STEEL, ALUMINIUM STEEL, OR ALUMINIUM. ALL OTHER ALL OTHER STEEL PARTS MUST BE GALVINIZED WITH TREATMENTS 1,2, OR 5. 4. FRAME AND LADDER OR STEPS OFFSET SO: A. CLEANOUT GATE IS VISIBLE FROM TOP. B. CLIMB -DOWN SPACE IS CLEAR OF RISER AND CLEANOUT GATE. C. FRAME IS CLEAR OF CURB. 5. IF METAL OUTLET PIPE CONNECTS TO CEMENT CONCRETE PIPE: OUTLET PIPE TO HAVE SMOOTH O.D. EQUAL TO CONCRETE PIPE I.D. LESS 1/4". 6. PROVIDE AT LEAST ONE 3" X .090 GAGE SUPPORT BRACKET ANCHORED TO CONCRETE WALL. (MAXIMUM T-0" VERTICAL SPACING). 7. LOCATE ELBOW RESTRICTOR(S) AS NECESSARY TO PROVIDE MINIMUM CLEARANCE AS SHOWN. 8. LOCATE ADDITIONAL LADDER RUNGS IN STRUCTURES USED AS ACCESS TO TANKS AND VAULT TO ALLOW ACCESS WHEN CATCH BASIN IS FILLED WITH WATER. 9. WHEN CONNECTING TO A NEW PIPE, USE A FLEXIBLE CONNECTOR (KOR-N-SEAL BOOT WITH CORRUGATED PIPE ADAPTOR OR APPROVED EQUAL). WHEN CONNECTING TO AN EXISTIING PIPE, USE A FABRICATED SAND COLLAR OF THE SAME MATERIAL AS THE CONNECTING PIPE. 10. TEE SHALL BE CONSTRUCTED OF ALUMINUM CMP OR ALUMINIZED STEEL CMP MEETING WSDOT/APWA STANDARDS. DETAIL CB#2 FLOW RESTRICTOR C2 S • GI NTS 0V WA 999 Third Avenue, Ste 3200 Seattle, WA 98104 14- 02 206.382.5200 24055 I SyV'0 s�IONaL F�� PNO. HYDROSEED EXIST. POND SLOPE AND BENCH (FULL POND PERIMETER EXCEPT AT ACCESS ROAD) 3 FEET BENCH EXTENT OF PLANTING (FULL POND PERIMETER EXCEPT AT ACCESS ROAD) 7 WETPOND WSE=368.14 POND BOTTIOM (VARIES) I NTS I f7YTF7K1T M7 pI AKITIKI SECTION NTS SEE TYPICAL SHRUB DETAIL, DETAIL 3 THIS SHEET DETAIL 2- TYPICAL LANDSCAPE PLAN & SECTION (TYP) C2 NTS SURVEYED: SCALE: 1 ALLIANCE VERTICAL: NAVD 1988 AS NOTED HORIZONTAL: NAD 1983/1991 DESIGNED: 1 ALLIANCE DRAWN: AM ONE INCH �ATU M BID SET JE 8-14-2020 MSG CHECKED JC IF FULL SCALE NOT ONE INCH REVISION BY DATE APPR APPRMG OVED: SCALE ACCORDINGLY NTS PLANT SCHEDULE SPACING ON NO SPECIES COMMON NAME STOCK TYPE CENTER (FEET) QUANTITY 1 JUNCUS SOFT RUSH 10—Inch root 2'-0" 300 EFFUSUS depth plug 2 SCIRPUS ACUTUS HARDSTEM BULRUSH 10—Inch root depth plug 2'-0" 300 3 SCIRPUS SMALL —FRUITED 10—Inch root „ 2 —0 300 MICROCARPUS BULRUSH depth plug FII Gf LOW PERMEABILITY LINER FIRMLY PACKED MATE (TO SUPPORT SHRUE DST AMENDED SOIL L/\I-) I ING SUBGRADE DETAIL r2 TYPICAL SHRUB PLANTING — NTS R-413301 -T-. CITY OF HEATHER DOWNS DETENTION POND WATER 8/15/2020 QUALITY RETROFIT PROJECT FIELDHOOK RENTON RAGE DRAWING N00 : C6 Planning/Building/Public Works Dept. CIVIL DETAILS SHT 2 OF 2 SHEET: 8 8