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P_Civil_Construction_Mitigation_Plans_20180912_v1.pdf
VICINITY MAPCITY OF RENTONNTSEXACT SIZE, TYPE, LOCATION OR DEPTH.BURIED UTILITIES IN AREACALL BEFORE YOU DIGEXISTING UTILITIES SHOWN ARE FROMTHE BEST AVAILABLE INFORMATION ANDNO GUARANTEE IS MADE AS TO THE 1-800-424-5555 CONSTRUCTION SEQUENCE1. ATTEND PRE-CONSTRUCTION MEETING AND PERMIT COMPLIANCE MEETING, AS REQUIRED BY PERMIT.2. OBTAIN NOTICE TO PROCEED FROM CITY AND ALL REQUIRED PERMITS BEYOND THOSE PROVIDED BY CITY (SEE SPECIFICATIONS)PRIOR TO COMMENCING WORK.3. COORDINATE WITH CITY / ENGINEER FOR CONSTRUCTION STAKING. STAKING TO BE PROVIDED BY CONTRACTOR.4. INSTALL PERIMETER PROTECTION, TEMPORARY EROSION AND SEDIMENT CONTROLS, AND BMPS.5. MAINTAIN EROSION CONTROL MEASURES IN ACCORDANCE WITH CITY STANDARDS AND THESE PLANS AND SPECIFICATIONSTHROUGHOUT THE PROJECT.6. CLEAR, ROUGH GRADE, AND INSTALL PROPOSED WALLS ONSITE7. PROVIDE SEQUENCING PLAN AND SEWAGE BYPASS PUMPING PLAN FOR REVIEW AND ACCEPTANCE BY CITY PRIOR TO PERFORMINGINTERCEPTOR IMPROVEMENTS.8. PERFORM BYPASS PUMPING, INSTALL OPEN-CUT SEWER AND INSTALL CIPP.9. INSTALL GRAVEL ROAD.10. PERFORM LEAKAGE TESTING AND TELEVISION INSPECTION OF NEW SANITARY SEWER MAIN, AND CIPP MAIN.11. OBTAIN CITY APPROVAL BEFORE TRANSFERRING SEWAGE TO NEW SANITARY SEWER MAIN, AND CIPP MAIN. CONNECT TO EXISTINGSANITARY SEWER SYSTEM.12. ABANDON EXISTING SANITARY SEWER FACILITIES AS SHOWN ON PLANS.13. PERFORM FINAL GRADING/PAVING AND SURFACE RESTORATION.14. AFTER ALL DANGER OF EROSION HAS PASSED AND AFTER APPROVAL BY CITY. COORDINATE REMOVAL OR TRANSFER OFTEMPORARY BMPS WITH FOLLOW-UP CONSTRUCTION PROJECTS.15. PROVIDE CONSTRUCTION RECORD DRAWINGS.NOTE: THIS IS A POSSIBLE SEQUENCE. FINAL SEQUENCE SHALL BE DEVELOPED BY CONTRACTOR AND SUBJECT TO REVIEW BY OWNER.SURVEY NOTES:THE SURVEY INFORMATION SHOWN IN THE ATTACHED PLAN HAS BEEN PROVIDED BY STANTEC.SEE: HORIZONTAL CONTROL SHEETSHORIZONTAL CONTROL DATUM:NAD83/91 PER VALUES PUBLISHED FOR CITY OF RENTON CONTROL POINTS 1063 AND 476, CITY OF RENTON SURVEY CONTROL.BENCHMARKS AND VERTICAL CONTROL DATUM:1. CITY OF RENTON CONTROL POINT 2193: TOP OF BRASS DISK IN CONCRETE MONUMENT AT THE INTERSECTION OF S 18TH ST. AND GRANT AVE S.ELEV = 317.58 (NAVD'88)2. CITY OF RENTON CONTROL POINT 1063: TOP OF PUNCH IN BRASS PIN IN CONCRETE MONUMENT IN CASE AT THE INTERSECTION OF S 18TH ST. AND EAGLE RIDGE DRIVE.ELEV = 261.22 (NAVD'88)’ ¾” – ’ – – ” – – – ’’– – – – – – – – – – ” SHT. 3SHT. 4SHT. 5SHT. 6SHT. 7S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .MATCHLI N E - S T A . 4 + 6 0 - T H I S S H T . MATCHLINE - STA. 4+60 - THIS SHT. MATCHLINE - STA. 8+20 - SHT. 4 KEY MAPNW 20-23-05 ///////////////SHT. 3SHT. 4SHT. 5SHT. 6SHT. 7S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .MATCHLINE - S T A . 1 5 + 2 0 - S H T . 5MATCHLINE - STA. 11+80 - THIS SHT.MATCHLINE - STA. 8+20 - SHT.#MATCHLINE - STA. 11+80 - THIS SHT.KEY MAPNW 20-23-05 DP2 SHT. 3SHT. 4SHT. 5SHT. 6SHT. 7S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .MATCHLINE - STA. 22+ 2 0 - S H T . 6 MATCHLINE - STA. 18+60 - THIS SHT.MATCHLINE - STA. 15+20 - SHT. 4 MATC H L I N E - S T A . 1 8 + 6 0 - T H I S S H T .KEY MAPNW 20-23-05 XXXX===========================================S O - D P 1 GRANT AVE SSHT. 3SHT. 4SHT. 5SHT. 6SHT. 7S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .MATCHL INE - STA . 2 9 + 2 0 - SHT . 7 MATCHLINE - STA. 25+60 - THIS SHT.MATCHLINE - STA. 25+60 - THIS SHT.MATCHLINE - STA. 22+20 - SHT. 5 KEY MAPNW 20-23-05/SW 20-23-05 SHT. 3SHT. 4SHT. 5SHT. 6SHT. 7S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .MATCHLINE - STA. 29+20 - SHT. 6KEY MAPSW 20-23-05 SHT. 8SHT. 9SHT. 10SHT. 11SHT. 12S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .T.E.S.C. LEGEND:T.E.S.C. NOTE:MATCHLI N E - S T A . 4 + 6 0 - T H I S S H T . MATCHLINE - STA. 4+60 - THIS SHT. MATCHLINE - STA. 8+20 - SHT. 9 KEY MAPNW 20-23-05 ///////////////SHT. 8SHT. 9SHT. 10SHT. 11SHT. 12S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .T.E.S.C. LEGEND:T.E.S.C. NOTE:MATCHLINE - S T A . 1 5 + 2 0 - S H T . 10MATCHLINE - STA. 11+80 - THIS SHT.MATCHLINE - STA. 8+20 - SHT. 8 MATCHLINE - STA. 11+80 - THIS SHT.KEY MAPNW 20-23-05 DP2 SHT. 8SHT. 9SHT. 10SHT. 11SHT. 12S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .T.E.S.C. LEGEND:T.E.S.C. NOTE:MATCHLINE - STA. 22+ 2 0 - S H T . 11 MATCHLINE - STA. 18+60 - THIS SHT.MATCHLINE - STA. 15+20 - SHT. 9 MATC H L I N E - S T A . 1 8 + 6 0 - T H I S S H T .KEY MAPNW 20-23-05 XXXXP W R ===========================================S O - D P 1 SHT. 8SHT. 9SHT. 10SHT. 11SHT. 12S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .T.E.S.C. LEGEND:T.E.S.C. NOTE:MATCHL INE - STA . 2 9 + 2 0 - SHT . 1 2 MATCHLINE - STA. 25+60 - THIS SHT.MATCHLINE - STA. 25+60 - THIS SHT.MATCHLINE - STA. 22+20 - SHT.10 KEY MAPNW 20-23-05/SW 20-23-05 SHT. 8SHT. 9SHT. 10SHT. 11SHT. 12S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .T.E.S.C. LEGEND:T.E.S.C. NOTE:MATCHLINE - STA. 29+20 - SHT. 11KEY MAPSW 20-23-05 SH. 13SH. 15SH. 16SH. 19SH. 21S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .SH. 14SH. 17SH. 18SH. 20MATCHLI N E - S T A . 4 + 6 0 - S H T . 14 KEY MAPNW 20-23-05 SH. 13SH. 15SH. 16SH. 19SH. 21S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .SH. 14SH. 17SH. 18SH. 20MATCHLINE - STA. 4+60 - SHT. 13 MATCHLINE - STA. 8+20 - SHT. 15 KEY MAPNW 20-23-05 SH. 13SH. 15SH. 16SH. 19SH. 21S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .SH. 14SH. 17SH. 18SH. 20MATCHLINE - STA. 8+20 - SHT. 14 MATCHLINE - STA. 11+80 - SHT. 16KEY MAPNW 20-23-05 SH. 13SH. 15SH. 16SH. 19SH. 21S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .SH. 14SH. 17SH. 18SH. 20MATCHLINE - S T A . 1 5 + 2 0 - S H T . 17MATCHLINE - STA. 11+80 - SHT. 15KEY MAPNW 20-23-05 DP2 SH. 13SH. 15SH. 16SH. 19SH. 21S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .SH. 14SH. 17SH. 18SH. 20MATCHLINE - STA. 15+20 - SHT. 16 MATC H L I N E - S T A . 1 8 + 6 0 - S H T . 18 KEY MAPNW 20-23-05 SH. 13SH. 15SH. 16SH. 19SH. 21S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .SH. 14SH. 17SH. 18SH. 20MATCHLINE - STA. 22+ 2 0 - S H T . 19 MATCHLINE - STA. 18+60 - SHT. 17 KEY MAPNW 20-23-05 SH. 13SH. 15SH. 16SH. 19SH. 21S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .SH. 14SH. 17SH. 18SH. 20MATCHLINE - STA. 25+60 - SHT. 20MATCHLINE - STA. 22+20 - SHT. 18 KEY MAPNW 20-23-05/SW 20-23-05 SH. 13SH. 15SH. 16SH. 19SH. 21S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .SH. 14SH. 17SH. 18SH. 20MATCHL INE - STA . 2 9 + 2 0 - SHT . 2 1 MATCHLINE - STA. 25+60 - SHT. 19 KEY MAPSW 20-23-05 SH. 13SH. 15SH. 16SH. 19SH. 21S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .SH. 14SH. 17SH. 18SH. 20MATCHLINE - STA. 29+20 - SHT. 20KEY MAPSW 20-23-05 SH. 22SH. 24SH. 25SH. 28SH. 30S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .SH. 23SH. 26SH. 27SH. 29MATCHLI N E - S T A . 4 + 6 0 - S H T . 23 KEY MAPNW 20-23-05 SH. 22SH. 24SH. 25SH. 28SH. 30S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .SH. 23SH. 26SH. 27SH. 29MATCHLINE - STA. 4+60 - SHT. 22 MATCHLINE - STA. 8+20 - SHT. 24 KEY MAPNW 20-23-05 SH. 22SH. 24SH. 25SH. 28SH. 30S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .SH. 23SH. 26SH. 27SH. 29MATCHLINE - STA. 8+20 - SHT. 23 MATCHLINE - STA. 11+80 - SHT. 25KEY MAPNW 20-23-05 SH. 22SH. 24SH. 25SH. 28SH. 30S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .SH. 23SH. 26SH. 27SH. 29MATCHLINE - S T A . 1 5 + 2 0 - S H T . 26MATCHLINE - STA. 11+80 - SHT. 24KEY MAPNW 20-23-05 DP2 SH. 22SH. 24SH. 25SH. 28SH. 30S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .SH. 23SH. 26SH. 27SH. 29MATCHLINE - STA. 15+20 - SHT. 25 MATC H L I N E - S T A . 1 8 + 6 0 - S H T . 27 KEY MAPNW 20-23-05 SH. 22SH. 24SH. 25SH. 28SH. 30S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .SH. 23SH. 26SH. 27SH. 29MATCHLINE - STA. 22+ 2 0 - S H T . 28 MATCHLINE - STA. 18+60 - SHT. 26 KEY MAPNW 20-23-05 SH. 22SH. 24SH. 25SH. 28SH. 30S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .SH. 23SH. 26SH. 27SH. 29MATCHLINE - STA. 25+60 - SHT. 29MATCHLINE - STA. 22+20 - SHT. 27 KEY MAPNW 20-23-05/SW 20-23-05 SH. 22SH. 24SH. 25SH. 28SH. 30S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .SH. 23SH. 26SH. 27SH. 29MATCHL INE - STA . 2 9 + 2 0 - SHT . 3 0 MATCHLINE - STA. 25+60 - SHT. 28 KEY MAPSW 20-23-05 SH. 22SH. 24SH. 25SH. 28SH. 30S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .SH. 23SH. 26SH. 27SH. 29MATCHLINE - STA. 29+20 - SHT. 29KEY MAPSW 20-23-05 SH. 31SH. 33SH. 34SH. 37SH. 39S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .SH. 32SH. 35SH. 36SH. 38MATCHLI N E - S T A . 4 + 6 0 - S H T . 32 KEY MAPNW 20-23-05 SH. 31SH. 33SH. 34SH. 37SH. 39S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .SH. 32SH. 35SH. 36SH. 38MATCHLINE - STA. 4+60 - SHT. 31 MATCHLINE - STA. 8+20 - SHT. 33 KEY MAPNW 20-23-05 SH. 31SH. 33SH. 34SH. 37SH. 39S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .SH. 32SH. 35SH. 36SH. 38MATCHLINE - STA. 8+20 - SHT. 32 MATCHLINE - STA. 11+80 - SHT. 34KEY MAP8" HDPE SERVICE CONNECTION PROFILENW 20-23-05 SH. 31SH. 33SH. 34SH. 37SH. 39S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .SH. 32SH. 35SH. 36SH. 38MATCHLINE - S T A . 1 5 + 2 0 - S H T . 35MATCHLINE - STA. 11+80 - SHT. 33KEY MAPNW 20-23-05 DP2 SH. 31SH. 33SH. 34SH. 37SH. 39S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .SH. 32SH. 35SH. 36SH. 38MATCHLINE - STA. 15+20 - SHT. 34 MATC H L I N E - S T A . 1 8 + 6 0 - S H T . 36 KEY MAPNW 20-23-05 SH. 31SH. 33SH. 34SH. 37SH. 39S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .SH. 32SH. 35SH. 36SH. 38MATCHLINE - STA. 22+ 2 0 - S H T . 37 MATCHLINE - STA. 18+60 - SHT. 35 KEY MAPNW 20-23-05 SH. 31SH. 33SH. 34SH. 37SH. 39S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .SH. 32SH. 35SH. 36SH. 38MATCHLINE - STA. 25+60 - SHT. 38MATCHLINE - STA. 22+20 - SHT. 36 KEY MAPNW 20-23-05/SW 20-23-05 SH. 31SH. 33SH. 34SH. 37SH. 39S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .SH. 32SH. 35SH. 36SH. 38MATCHL INE - STA . 2 9 + 2 0 - SHT . 3 9 MATCHLINE - STA. 25+60 - SHT. 37 KEY MAPSW 20-23-05 SH. 31SH. 33SH. 34SH. 37SH. 39S. 18TH ST.I-4 0 5 GRANT AVE. S.EAGLE RI D G E D R . S .SH. 32SH. 35SH. 36SH. 38MATCHLINE - STA. 29+20 - SHT. 38KEY MAPSW 20-23-05 HIGH VISIBILITY FENCEHIGH VISIBILITY SILT FENCEEROSION CONTROL AT CULVERT ENDSCATCH BASIN FILTER1. THIS TEMPORARY EROSION/SEDIMENTATION CONTROL (TESC) PLAN DOES NOTCONSTITUTE AN APPROVAL OF PERMANENT ROAD OR DRAINAGE DESIGN (E.G.SIZE AND LOCATION OF ROADS, PIPES, RESTRICTORS, CHANNELS, RETENTIONFACILITIES, UTILITIES, ETC.)2. CONTRACTOR REQUIRED TO SUBMIT TESC AND DEWATERING PLAN TO OWNERAND ENGINEER FOR REVIEW PRIOR TO CONSTRUCTION.3. CONTRACTOR AND AN ON-SITE REPRESENTATIVE OF OWNER WILL REVIEW THEINSTALLATION, MAINTENANCE AND PERFORMANCE OF THE TESC MEASURESSHOWN ON THE APPROVED PLANS. THE TESC OBSERVER OR PERMITTINGAGENCY MAY RECOMMEND ADDITIONAL MEASURES OR CHANGES TO THETESC PLAN THAT ARE WARRANTED DURING CONSTRUCTION. THECONTRACTOR AND OBSERVER WILL EXAMINE ALL TESC MEASURESPERIODICALLY DURING THE CONSTRUCTION PERIOD, AND AFTER STORMSHAVING 0.5 INCHES OR MORE OF RAINFALL IN A 24-HOUR PERIOD. THEOBSERVER AND THE PERMITTING AGENCY HAVE THE AUTHORITY TO REQUIRECORRECTIVE ACTION IN ORDER TO ACHIEVE EROSION CONTROL OBJECTIVES.4. THE IMPLEMENTATION OF THESE TESC PLANS AND THE CONSTRUCTION,MAINTENANCE, REPLACEMENT, AND UPGRADING OF THESE TESC FACILITIES ISTHE RESPONSIBILITY OF THE CONTRACTOR. TESC MEASURES SHALL REMAINFUNCTIONING AND IN PLACE UNTIL THE SITE HAS BEEN STABILIZED AND THEPERMITTING AGENCY, OWNER OR ENGINEER HAS APPROVED THE REMOVAL OFTHE TESC MEASURES.5. AS CONSTRUCTION PROGRESSES AND UNEXPECTED SEASONAL CONDITIONSDICTATE, ADDITIONAL TESC MEASURES MAY BECOME NECESSARY TOPROTECT ADJACENT PROPERTIES AND TO ENSURE WATER QUALITY FOR SITERUNOFF. IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO ADDRESSDEFICIENT TESC CONDITIONS, AND TO PROVIDE ADDITIONAL FACILITIES, OVERAND ABOVE THE MINIMUM REQUIREMENTS OUTLINED ON THE APPROVEDPLANS AS NEEDED.6. THE TESC FACILITIES SHOWN ON THESE PLANS MUST BE CONSTRUCTED INCONJUNCTION WITH ALL CLEARING AND GRADING ACTIVITIES, AND IN SUCH AMANNER AS TO INSURE THAT SEDIMENT LADEN WATER DOES NOT ENTER THEDRAINAGE SYSTEM OR VIOLATE APPLICABLE WATER QUALITY STANDARDS.7. THE TESC FACILITIES SHOWN ON THESE PLANS ARE THE MINIMUMREQUIREMENTS FOR ANTICIPATED SITE CONDITIONS. DURING THECONSTRUCTION PERIOD, THESE TESC FACILITIES SHALL BE UPGRADED (E.G.ADDITIONAL SUMPS, RELOCATION OF DITCHES AND SILT FENCES, ETC.) ASNEEDED.8. THE TESC FACILITIES SHALL BE INSPECTED DAILY BY THE CONTRACTOR ANDMAINTAINED AS NECESSARY TO ENSURE THEY CONTINUE TO FUNCTION.9. ANY AREAS OF EXPOSED SOILS, INCLUDING ROADWAY EMBANKMENTS, THATWILL NOT BE DISTURBED FOR TWO DAYS DURING THE WET SEASON OR SEVENDAYS DURING THE DRY SEASON SHALL BE IMMEDIATELY STABILIZED WITHAPPROVED ESC METHODS (E.G. SEEDING, MULCHING, PLASTIC COVERING,ETC.)10. ANY AREA NEEDING TESC MEASURE, NOT REQUIRING IMMEDIATE ATTENTION,SHALL BE STABILIZED WITHIN SEVEN (7) DAYS.11. AT NO TIME SHALL MORE THAN ONE FOOT OF SEDIMENT BE ALLOWED TOACCUMULATE WITHIN A CATCH BASIN. ALL CATCH BASINS AND CONVEYANCELINES SHALL BE CLEANED PRIOR TO PAVING. THE CLEANING OPERATION SHALLNOT FLUSH SEDIMENT LADEN WATER INTO THE DOWNSTREAM SYSTEM.12. WHERE MULCH FOR TEMPORARY EROSION CONTROL IS REQUIRED, IT SHALLBE APPLIED AT A MINIMUM THICKNESS OF 2 TO 3 INCHES.13. PRIOR TO THE BEGINNING OF THE WET SEASON (OCT. 1), ALL DISTURBEDAREAS SHALL BE REVIEWED TO IDENTIFY WHICH AREAS CAN BE STABILIZED INPREPARATION FOR THE WINTER RAINS. IDENTIFIED AREAS SHOULD BESTABILIZED WITHIN ONE WEEK OF THE BEGINNING OF THE WET SEASON.14. TEMPORARY EROSION AND SEDIMENT CONTROL (TESC) MEASURES SHALL BEIMPLEMENTED IN ACCORDANCE WITH THE REQUIREMENTS OF THE NPDESCONSTRUCTION STORMWATER GENERAL PERMIT, THE CONSTRUCTIONSTORMWATER POLLUTION PREVENTION PLAN, ALL OTHER APPLICABLE PERMITCONDITIONS, AND ALL OTHER APPLICABLE FEDERAL AND STATE LAWS.15. NOT ALL CONSTRUCTION STORMWATER BMPS ARE SHOWN ON THE TESCDRAWINGS. SEE SWPPP FOR DESCRIPTIONS OF THE BMPS IDENTIFIED IN THEPLAN SHEETS AS WELL AS FOR OTHER APPLICABLE CONSTRUCTIONSTORMWATER BMPS.16. TESC MEASURES AND SELECTED BMPS IDENTIFIED ON THE TESC PLAN AND INTHE SWPPP ARE BASED ON INFORMATION AVAILABLE AT THE TIME OF THEDRAWING AND SWPPP DEVELOPMENT. CONTRACTOR'S CERTIFIED EROSIONAND SEDIMENT CONTROL LEAD (CESCL) SHALL MODIFY TESC PLAN AND SWPPPAS REQUIRED TO ENSURE THE REQUIREMENTS DESCRIBED IN ITEM 15 AREMET AT ALL TIMES.TEMPORARY EROSION/SEDIMENTATIONCONTROL NOTES: SURFACE ROUGHINGSLOPE INSTALLATIONSWATERWAY INSTALLATIONSSTRAW WATTLES WHEEL WASHCONSTRUCTION ENTRANCECURB AND GUTTERPROTECTION STANDARD SANITARY MANHOLEINSIDE DROP CONNECTIONFOR SANITARY MANHOLESANITARY MANHOLE SHALLOW (FLAT TOP)AIR TEST TABLE (LOW PRESSURE)FOR SANITARY SEWERSMANHOLE FRAME AND COVERABANDON MANHOLE TRENCH DETAIL FOR GRAVITY MAIN(OPEN CUT/UNPAVED SECTIONS)TRENCH DETAIL FOR GRAVITY MAIN(OPEN CUT/PAVED SECTIONS)TYPICAL GRADING PLANSADDLE MANHOLE DETAILTYPICAL ROCK WALL DETAILPRV IN-VAULT STANDARDTYPICAL SD AT BACK OF WALL DETAIL ========================X //////PROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-14-2018 90% PLANS LJM LOGAN MCCLISH TWC-131113_03611 THUNDER HILLS.DWG 22NOTESPROJECT OVERVIEWSTREAM EWETLAND AW1.0 OF600'150'75'0300'SCALE: 1" = 150' WHEN PRINTED AT 22" x 34"Know what'sbelow.before you dig.CallRSHEET INDEXW1.0 - PROJECT OVERVIEWW2.0 - IMPACTS & MITIGATION PLAN (1 OF 7)W2.1 - IMPACTS & MITIGATION PLAN (2 OF 7)W2.2 - IMPACTS & MITIGATION PLAN (3 OF 7)W2.3 - IMPACTS & MITIGATION PLAN (4 OF 7)W2.4 - IMPACTS & MITIGATION PLAN (5 OF 7)W2.5 - IMPACTS & MITIGATION PLAN (6 OF 7)W2.6 - IMPACTS & MITIGATION PLAN (7 OF 7)W3.0 - PLANTING PLAN (1 OF 7)W3.1 - PLANTING (2 OF 7)W3.2 - PLANTING (3 OF 7)W3.3 - PLANTING (4 OF 7)W3.4 - PLANTING (5 OF 7)W3.5 - PLANTING (6 OF 7)W3.6 - PLANTING (7 OF 7)W4.0 - NOXIOUS WEED REMOVAL & CONTROL NOTES AND SOIL PREPARATION NOTESW5.0 - TEMPORARY BYPASS PLANW5.1 - LARGE WOODY DEBRIS PLANW5.2 - LARGE WOODY DEBRIS NOTES & DETAILSW6.0 - PLANTING SCHEDULEW6.1 - PLANTING NOTES & DETAILSW7.0 - MITIGATION NOTESWETLAND BWETLAND CWETLAND DWETLAND EWETLAND FTHUNDER HILLS CREEKPROPERTY BOUNDARIESWETLAND ANDSTREAM BUFFERMATCHLINE.TYP.1.SURVEY RECEIVED FROM STANTEC IN MAY, 2017. BELLEVUE, WA. PHONE:(425) 289-7373.2.WETLANDS DELINEATED BY THE WATERSHED COMPANY ON APRIL 23 & 29,AND MAY 1 & 12, 2014.PROJECT AREASTREAM FSTREAM GSTREAM DGRANT AVE. SES 18TH ST.EAGLE RIDGE DR. S I - 405 W2.0/W3.0W2.1/W3.1W2.2/W3.2W2.3/W3.3W2.4/W3.4W2.5/W3.5W2.6/W3.6 SO-DP6DP-7DP-6EXISTING FEATURESWETLAND BOUNDARY (DELINEATED)WETLAND BOUNDARY (APPROXIMATE)STREAM OHWM (DELINEATED)STREAM CENTERLINE (APPROXIMATE)COMBINED CRITICAL AREA BUFFEREXISTING TREEPROPOSED FEATURESPROPOSED TEMPORARY CONSTRUCTION EASEMENTPROPOSED PERMANENT CONSTRUCTION EASEMENTPERMANENT WETLAND IMPACTS(1,332 SF) PROJECT TOTALPERMANENT BUFFER IMPACTS-TO BE MITIGATED ELSEWHERE AT 1:1 RATIO(41,000 SF) PROJECT TOTALTEMPORARY BUFFER IMPACTS-TO BE RESTORED IN-PLACE(22,703 SF) PROJECT TOTALBUFFER RESTORATION(42,945 SF) PROJECT TOTALEXISTING TREE TO BE REMOVED(40 TOTAL) PROJECT TOTALLEGENDPROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-14-2018 90% PLANS LJM LOGAN MCCLISH TWC-131113_03611 THUNDER HILLS.DWG 22IMPACTS & MITIGATION PLAN (1 OF 7)W2.0 OF80'20'10'040'SCALE: 1" = 20' WHEN PRINTED AT 22" x 34"MATCHLINE: SEE SHEET W2.1LARGE WOODY DEBRIS PLAN - DETAIL AREASEE SHEET W5.0NOTES1.FOR TREE IMPACT INFORMATION, SEE CIVIL PLANS.2.PERMANENT IMPACTS TO WETLAND AREA ARE BEING MITIGATEDTHROUGH MITIGATION BANK.WETLAND ESTREAM DI-405 WSDOT LIMITEDACCESS ROWI-405THUNDER HILLS CREEKWETLAND FKnow what'sbelow.before you dig.CallR DP-5EXISTING FEATURESWETLAND BOUNDARY (DELINEATED)WETLAND BOUNDARY (APPROXIMATE)STREAM OHWM (DELINEATED)STREAM CENTERLINE (APPROXIMATE)COMBINED CRITICAL AREA BUFFEREXISTING TREEPROPOSED FEATURESPROPOSED TEMPORARY CONSTRUCTION EASEMENTPROPOSED PERMANENT CONSTRUCTION EASEMENTPERMANENT WETLAND IMPACTS(1,332 SF) PROJECT TOTALPERMANENT BUFFER IMPACTS-TO BE MITIGATED ELSEWHERE AT 1:1 RATIO(41,000 SF) PROJECT TOTALTEMPORARY BUFFER IMPACTS-TO BE RESTORED IN-PLACE(22,703 SF) PROJECT TOTALBUFFER RESTORATION(42,945 SF) PROJECT TOTALEXISTING TREE TO BE REMOVED(40 TOTAL) PROJECT TOTALLEGENDPROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-14-2018 90% PLANS LJM LOGAN MCCLISH TWC-131113_03611 THUNDER HILLS.DWG 22IMPACTS & MITIGATION PLAN (2 OF 7)W2.1 OF80'20'10'040'SCALE: 1" = 20' WHEN PRINTED AT 22" x 34"MATCHLINE: SEE SHEET W2.0MATCHLINE: SEE SHEET W2.2THUNDER HILLS CREEKNOTES1.FOR TREE IMPACT INFORMATION, SEE CIVIL PLANS.2.PERMANENT IMPACTS TO WETLAND AREA ARE BEING MITIGATEDTHROUGH MITIGATION BANK.Know what'sbelow.before you dig.CallR ///////////////EXISTING FEATURESWETLAND BOUNDARY (DELINEATED)WETLAND BOUNDARY (APPROXIMATE)STREAM OHWM (DELINEATED)STREAM CENTERLINE (APPROXIMATE)COMBINED CRITICAL AREA BUFFEREXISTING TREEPROPOSED FEATURESPROPOSED TEMPORARY CONSTRUCTION EASEMENTPROPOSED PERMANENT CONSTRUCTION EASEMENTPERMANENT WETLAND IMPACTS(1,332 SF) PROJECT TOTALPERMANENT BUFFER IMPACTS-TO BE MITIGATED ELSEWHERE AT 1:1 RATIO(41,000 SF) PROJECT TOTALTEMPORARY BUFFER IMPACTS-TO BE RESTORED IN-PLACE(22,703 SF) PROJECT TOTALBUFFER RESTORATION(42,945 SF) PROJECT TOTALEXISTING TREE TO BE REMOVED(40 TOTAL) PROJECT TOTALLEGENDPROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-14-2018 90% PLANS LJM LOGAN MCCLISH TWC-131113_03611 THUNDER HILLS.DWG 22IMPACTS & MITIGATION PLAN (3 OF 7)THUNDER HILLS CREEKW2.2 OF80'20'10'040'SCALE: 1" = 20' WHEN PRINTED AT 22" x 34"MATCHLINE: SEE SHEET W2.1MATCHLINE: SEE SHEET W2.3NOTES1.FOR TREE IMPACT INFORMATION, SEE CIVIL PLANS.2.PERMANENT IMPACTS TO WETLAND AREA ARE BEING MITIGATEDTHROUGH MITIGATION BANK.Know what'sbelow.before you dig.CallR DP2DP2DP-4EXISTING FEATURESWETLAND BOUNDARY (DELINEATED)WETLAND BOUNDARY (APPROXIMATE)STREAM OHWM (DELINEATED)STREAM CENTERLINE (APPROXIMATE)COMBINED CRITICAL AREA BUFFEREXISTING TREEPROPOSED FEATURESPROPOSED TEMPORARY CONSTRUCTION EASEMENTPROPOSED PERMANENT CONSTRUCTION EASEMENTPERMANENT WETLAND IMPACTS(1,332 SF) PROJECT TOTALPERMANENT BUFFER IMPACTS-TO BE MITIGATED ELSEWHERE AT 1:1 RATIO(41,000 SF) PROJECT TOTALTEMPORARY BUFFER IMPACTS-TO BE RESTORED IN-PLACE(22,703 SF) PROJECT TOTALBUFFER RESTORATION(42,945 SF) PROJECT TOTALEXISTING TREE TO BE REMOVED(40 TOTAL) PROJECT TOTALLEGENDPROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-14-2018 90% PLANS LJM LOGAN MCCLISH TWC-131113_03611 THUNDER HILLS.DWG 22IMPACTS & MITIGATION PLAN (4 OF 7)THUNDER HILLS CREEKW2.3 OF80'20'10'040'SCALE: 1" = 20' WHEN PRINTED AT 22" x 34"MATCHLINE: SEE SHEET W2.2MATCHLINE: SEE SHEET W2.4WETLAND DWETLAND CWETLAND BNOTES1.FOR TREE IMPACT INFORMATION, SEE CIVIL PLANS.2.PERMANENT IMPACTS TO WETLAND AREA ARE BEING MITIGATEDTHROUGH MITIGATION BANK.Know what'sbelow.before you dig.CallR EXISTING FEATURESWETLAND BOUNDARY (DELINEATED)WETLAND BOUNDARY (APPROXIMATE)STREAM OHWM (DELINEATED)STREAM CENTERLINE (APPROXIMATE)COMBINED CRITICAL AREA BUFFEREXISTING TREEPROPOSED FEATURESPROPOSED TEMPORARY CONSTRUCTION EASEMENTPROPOSED PERMANENT CONSTRUCTION EASEMENTPERMANENT WETLAND IMPACTS(1,332 SF) PROJECT TOTALPERMANENT BUFFER IMPACTS-TO BE MITIGATED ELSEWHERE AT 1:1 RATIO(41,000 SF) PROJECT TOTALTEMPORARY BUFFER IMPACTS-TO BE RESTORED IN-PLACE(22,703 SF) PROJECT TOTALBUFFER RESTORATION(42,945 SF) PROJECT TOTALEXISTING TREE TO BE REMOVED(40 TOTAL) PROJECT TOTALLEGENDPROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-14-2018 90% PLANS LJM LOGAN MCCLISH TWC-131113_03611 THUNDER HILLS.DWG 22IMPACTS & MITIGATION PLAN (5 OF 7)THUNDER HILLS CREEKW2.4 OF80'20'10'040'SCALE: 1" = 20' WHEN PRINTED AT 22" x 34"MATCHLINE: SEE SHEET W2.3MATCHLINE: SEE SHEET W2.5PEDESTRIAN BRIDGENOTES1.FOR TREE IMPACT INFORMATION, SEE CIVIL PLANS.2.PERMANENT IMPACTS TO WETLAND AREA ARE BEING MITIGATEDTHROUGH MITIGATION BANK.Know what'sbelow.before you dig.CallR XXXXEXISTING FEATURESWETLAND BOUNDARY (DELINEATED)WETLAND BOUNDARY (APPROXIMATE)STREAM OHWM (DELINEATED)STREAM CENTERLINE (APPROXIMATE)COMBINED CRITICAL AREA BUFFEREXISTING TREEPROPOSED FEATURESPROPOSED TEMPORARY CONSTRUCTION EASEMENTPROPOSED PERMANENT CONSTRUCTION EASEMENTPERMANENT WETLAND IMPACTS(1,332 SF) PROJECT TOTALPERMANENT BUFFER IMPACTS-TO BE MITIGATED ELSEWHERE AT 1:1 RATIO(41,000 SF) PROJECT TOTALTEMPORARY BUFFER IMPACTS-TO BE RESTORED IN-PLACE(22,703 SF) PROJECT TOTALBUFFER RESTORATION(42,945 SF) PROJECT TOTALEXISTING TREE TO BE REMOVED(40 TOTAL) PROJECT TOTALLEGENDPROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-14-2018 90% PLANS LJM LOGAN MCCLISH TWC-131113_03611 THUNDER HILLS.DWG 22IMPACTS & MITIGATION PLAN (6 OF 7)THUNDER HILLS CREEKW2.5 OF80'20'10'040'SCALE: 1" = 20' WHEN PRINTED AT 22" x 34"MATCHLINE: SEE SHEET W2.4MATCHLINE: SEE SHEET W2.6STREAM GSTREAM FPEDESTRIAN BRIDGENOTES1.FOR TREE IMPACT INFORMATION, SEE CIVIL PLANS.2.PERMANENT IMPACTS TO WETLAND AREA ARE BEING MITIGATEDTHROUGH MITIGATION BANK.Know what'sbelow.before you dig.CallR =============================================================================================================================================================================X X X X X X X SO-DP1///////////////////// /// /// ///////////////////////////DP-1EXISTING FEATURESWETLAND BOUNDARY (DELINEATED)WETLAND BOUNDARY (APPROXIMATE)STREAM OHWM (DELINEATED)STREAM CENTERLINE (APPROXIMATE)COMBINED CRITICAL AREA BUFFEREXISTING TREEPROPOSED FEATURESPROPOSED TEMPORARY CONSTRUCTION EASEMENTPROPOSED PERMANENT CONSTRUCTION EASEMENTPERMANENT WETLAND IMPACTS(1,332 SF) PROJECT TOTALPERMANENT BUFFER IMPACTS-TO BE MITIGATED ELSEWHERE AT 1:1 RATIO(41,000 SF) PROJECT TOTALTEMPORARY BUFFER IMPACTS-TO BE RESTORED IN-PLACE(22,703 SF) PROJECT TOTALBUFFER RESTORATION(42,945 SF) PROJECT TOTALEXISTING TREE TO BE REMOVED(40 TOTAL) PROJECT TOTALLEGENDPROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-14-2018 90% PLANS LJM LOGAN MCCLISH TWC-131113_03611 THUNDER HILLS.DWG 22IMPACTS & MITIGATION PLAN (7 OF 7)STREAM EWETLAND AW2.6 OF80'20'10'040'SCALE: 1" = 20' WHEN PRINTED AT 22" x 34"MATCHLINE: SEE SHEET W2.5THUNDER HILLS CREEKNOTES1.FOR TREE IMPACT INFORMATION, SEE CIVIL PLANS.2.PERMANENT IMPACTS TO WETLAND AREA ARE BEING MITIGATEDTHROUGH MITIGATION BANK.Know what'sbelow.before you dig.CallR SO-DP6DP-7DP-6EXISTING FEATURESWETLAND BOUNDARY (DELINEATED)WETLAND BOUNDARY (APPROXIMATE)STREAM OHWM (DELINEATED)STREAM CENTERLINESTREAM CENTERLINE (APPROXIMATE)COMBINED CRITICAL AREA BUFFEREXISTING TREEPROPOSED FEATURESPROPOSED TEMPORARY CONSTRUCTION EASEMENTPROPOSED PERMANENT CONSTRUCTION EASEMENTBUFFER MIX A(24,141 SF) PROJECT WIDEBUFFER MIX B(26,682 SF) PROJECT WIDEBUFFER MIX C(6,022 SF) PROJECT WIDEBUFFER MIX D(4,633 SF) PROJECT WIDEBUFFER MIX E(4,035 SF) PROJECT WIDEEXISTING TREE TO BE REMOVEDLEGENDPROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-14-2018 90% PLANS LJM LOGAN MCCLISH TWC-131113_03611 THUNDER HILLS.DWG 22PLANTING PLAN (1 of 7)W3.0 OF80'20'10'040'SCALE: 1" = 20' WHEN PRINTED AT 22" x 34"MATCHLINE: SEE SHEET W3.11AW4.02W4.0PO W E R L I N E E A S E M E N T PO W E R L I N E E A S E M E N T WETLAND ESTREAM DI-405THUNDER HILLS CREEKWETLAND FSITE PREP NOTES1.SEE SHEET W4.0 FOR INVASIVE SPECIES REMOVAL AND SOILPREPARATION INFORMATION.2.IF AREA LARGER THAN 200 SF IS COMPACTED TO PROCTORDENSITY EXCEEDING 85% WITHIN CRITICAL AREA BUFFERAREAS, THEN FOLLOW SEQUENCE 4 ON SHEET W4.0.1BW4.01BW4.01BW4.0BUFFER MIX CBUFFER MIX BNOTES1.SILT FENCE OR OTHER EROSION CONTROL METHOD SHALLBE IN PLACE AND REVIEWED BY ENGINEER PRIOR TO SITEDISTURBANCE.Know what'sbelow.before you dig.CallR DP-5EXISTING FEATURESWETLAND BOUNDARY (DELINEATED)WETLAND BOUNDARY (APPROXIMATE)STREAM OHWM (DELINEATED)STREAM CENTERLINESTREAM CENTERLINE (APPROXIMATE)COMBINED CRITICAL AREA BUFFEREXISTING TREEPROPOSED FEATURESPROPOSED TEMPORARY CONSTRUCTION EASEMENTPROPOSED PERMANENT CONSTRUCTION EASEMENTBUFFER MIX A(24,141 SF) PROJECT WIDEBUFFER MIX B(26,682 SF) PROJECT WIDEBUFFER MIX C(6,022 SF) PROJECT WIDEBUFFER MIX D(4,633 SF) PROJECT WIDEBUFFER MIX E(4,035 SF) PROJECT WIDEEXISTING TREE TO BE REMOVEDLEGENDPROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-14-2018 90% PLANS LJM LOGAN MCCLISH TWC-131113_03611 THUNDER HILLS.DWG 22PLANTING PLAN (2 OF 7)W3.1 OF80'20'10'040'SCALE: 1" = 20' WHEN PRINTED AT 22" x 34"MATCHLINE: SEE SHEET W3.0MATCHLINE: SEE SHEET W3.2THUNDER HILLS CREEK1AW4.02W4.01BW4.01BW4.01BW4.0PLANTING AREA FOLLOWS OHWM.DO NOT DISTURB BELOW OHWM.PLANTING AREA END ATTEMPORARY CONSTRUCTIONEASEMENT LINE. DO NOTDISTURB AREA BEYONDEASEMENT LINE.BUFFER MIX A:INFILL RESTORATION AREAPLANTING AREA FOLLOWSOHWM. DO NOT DISTURBBELOW OHWM.STATION 9+00Know what'sbelow.before you dig.CallR ///////////////EXISTING FEATURESWETLAND BOUNDARY (DELINEATED)WETLAND BOUNDARY (APPROXIMATE)STREAM OHWM (DELINEATED)STREAM CENTERLINESTREAM CENTERLINE (APPROXIMATE)COMBINED CRITICAL AREA BUFFEREXISTING TREEPROPOSED FEATURESPROPOSED TEMPORARY CONSTRUCTION EASEMENTPROPOSED PERMANENT CONSTRUCTION EASEMENTBUFFER MIX A(24,141 SF) PROJECT WIDEBUFFER MIX B(26,682 SF) PROJECT WIDEBUFFER MIX C(6,022 SF) PROJECT WIDEBUFFER MIX D(4,633 SF) PROJECT WIDEBUFFER MIX E(4,035 SF) PROJECT WIDEEXISTING TREE TO BE REMOVEDLEGENDPROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-14-2018 90% PLANS LJM LOGAN MCCLISH TWC-131113_03611 THUNDER HILLS.DWG 22PLANTING PLAN (3 OF 7)W3.2 OF80'20'10'040'SCALE: 1" = 20' WHEN PRINTED AT 22" x 34"MATCHLINE: SEE SHEET W3.1MATCHLINE: SEE SHEET W3.3THUNDER HILLS CREEK1AW4.02W4.01BW4.01BW4.01BW4.0BUFFER MIX DFOLLOWS OHWMBUFFER MIX BBUFFER MIX BBUFFER MIX BKnow what'sbelow.before you dig.CallR DP2DP2DP-4EXISTING FEATURESWETLAND BOUNDARY (DELINEATED)WETLAND BOUNDARY (APPROXIMATE)STREAM OHWM (DELINEATED)STREAM CENTERLINESTREAM CENTERLINE (APPROXIMATE)COMBINED CRITICAL AREA BUFFEREXISTING TREEPROPOSED FEATURESPROPOSED TEMPORARY CONSTRUCTION EASEMENTPROPOSED PERMANENT CONSTRUCTION EASEMENTBUFFER MIX A(24,141 SF) PROJECT WIDEBUFFER MIX B(26,682 SF) PROJECT WIDEBUFFER MIX C(6,022 SF) PROJECT WIDEBUFFER MIX D(4,633 SF) PROJECT WIDEBUFFER MIX E(4,035 SF) PROJECT WIDEEXISTING TREE TO BE REMOVEDLEGENDPROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-14-2018 90% PLANS LJM LOGAN MCCLISH TWC-131113_03611 THUNDER HILLS.DWG 22PLANTING PLAN (4 OF 7)W3.3 OF80'20'10'040'SCALE: 1" = 20' WHEN PRINTED AT 22" x 34"MATCHLINE: SEE SHEET W3.2MATCHLINE: SEE SHEET W3.4POWERLINE EASEMENTTHUNDER HILLS CREEKWETLAND DWETLAND CWETLAND B1AW4.02W4.01BW4.01BW4.01BW4.0BUFFER MIX BBUFFER MIX DBUFFER RESTORATIONTEMPORARY DISTURBANCEBUFFER MIX CKnow what'sbelow.before you dig.CallR EXISTING FEATURESWETLAND BOUNDARY (DELINEATED)WETLAND BOUNDARY (APPROXIMATE)STREAM OHWM (DELINEATED)STREAM CENTERLINESTREAM CENTERLINE (APPROXIMATE)COMBINED CRITICAL AREA BUFFEREXISTING TREEPROPOSED FEATURESPROPOSED TEMPORARY CONSTRUCTION EASEMENTPROPOSED PERMANENT CONSTRUCTION EASEMENTBUFFER MIX A(24,141 SF) PROJECT WIDEBUFFER MIX B(26,682 SF) PROJECT WIDEBUFFER MIX C(6,022 SF) PROJECT WIDEBUFFER MIX D(4,633 SF) PROJECT WIDEBUFFER MIX E(4,035 SF) PROJECT WIDEEXISTING TREE TO BE REMOVEDLEGENDPROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-14-2018 90% PLANS LJM LOGAN MCCLISH TWC-131113_03611 THUNDER HILLS.DWG 22PLANTING PLAN (5 OF 7)W3.4 OF80'20'10'040'SCALE: 1" = 20' WHEN PRINTED AT 22" x 34"MATCHLINE: SEE SHEET W3.3MATCHLINE: SEE SHEET W3.5POWERLINE EASEMENTTHUNDER HILLS CREEK1AW4.02W4.01BW4.01BW4.01BW4.0BUFFER MIX CBUFFER MIX BBUFFER MIX EBUFFER MIX BKnow what'sbelow.before you dig.CallR XXXXEXISTING FEATURESWETLAND BOUNDARY (DELINEATED)WETLAND BOUNDARY (APPROXIMATE)STREAM OHWM (DELINEATED)STREAM CENTERLINESTREAM CENTERLINE (APPROXIMATE)COMBINED CRITICAL AREA BUFFEREXISTING TREEPROPOSED FEATURESPROPOSED TEMPORARY CONSTRUCTION EASEMENTPROPOSED PERMANENT CONSTRUCTION EASEMENTBUFFER MIX A(24,141 SF) PROJECT WIDEBUFFER MIX B(26,682 SF) PROJECT WIDEBUFFER MIX C(6,022 SF) PROJECT WIDEBUFFER MIX D(4,633 SF) PROJECT WIDEBUFFER MIX E(4,035 SF) PROJECT WIDEEXISTING TREE TO BE REMOVEDLEGENDPROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-14-2018 90% PLANS LJM LOGAN MCCLISH TWC-131113_03611 THUNDER HILLS.DWG 22PLANTING PLAN (6 OF 7)W3.5 OF80'20'10'040'SCALE: 1" = 20' WHEN PRINTED AT 22" x 34"MATCHLINE: SEE SHEET W3.4MATCHLINE: SEE SHEET W3.6THUNDER HILLS CREEKSTREAM GSTREAM FPOWERLINE EASEMENT1AW4.02W4.01BW4.01BW4.01BW4.0BUFFER MIX CBUFFER MIX BBUFFER MIX EKnow what'sbelow.before you dig.CallR =============================================================================================================================================================================X X X X X X X SO-DP1///////////////////// /// /// ///////////////////////////DP-1EXISTING FEATURESWETLAND BOUNDARY (DELINEATED)WETLAND BOUNDARY (APPROXIMATE)STREAM OHWM (DELINEATED)STREAM CENTERLINESTREAM CENTERLINE (APPROXIMATE)COMBINED CRITICAL AREA BUFFEREXISTING TREEPROPOSED FEATURESPROPOSED TEMPORARY CONSTRUCTION EASEMENTPROPOSED PERMANENT CONSTRUCTION EASEMENTBUFFER MIX A(24,141 SF) PROJECT WIDEBUFFER MIX B(26,682 SF) PROJECT WIDEBUFFER MIX C(6,022 SF) PROJECT WIDEBUFFER MIX D(4,633 SF) PROJECT WIDEBUFFER MIX E(4,035 SF) PROJECT WIDEEXISTING TREE TO BE REMOVEDLEGENDPROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-14-2018 90% PLANS LJM LOGAN MCCLISH TWC-131113_03611 THUNDER HILLS.DWG 22PLANTING PLAN (7 OF 7)W3.6 OF80'20'10'040'SCALE: 1" = 20' WHEN PRINTED AT 22" x 34"MATCHLINE: SEE SHEET W3.5POWERLINE EASEMENTSTREAM EWETLAND ATHUNDER HILLS CREEK1AW4.02W4.01BW4.01BW4.01BW4.0BUFFER MIX ABUFFER MIX BBUFFER MIX BBUFFER MIX ABUFFER MIX EBUFFER MIX BKnow what'sbelow.before you dig.CallR PROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-14-2018 90% PLANS LJM LOGAN MCCLISH TWC-131113_03611 THUNDER HILLS.DWG 22NOXIOUS WEED REMOVAL & CONTROL NOTES AND SOIL PREPARATION NOTESW4.0 OFSCALE: NTSNOXIOUS WEED REMOVAL & CONTROL NOTESNOTE:1. ALL INVASIVE PLANTS TO BE DISPOSED OF OFF-SITE. NOINVASIVE SPECIES SHALL BE CHIPPED FOR REUSE AS MULCH.REMOVE REED CANARYGRASS:1.DIG WITH HAND TOOLS ALL REED CANARYGRASS RHIZOMESFROM THE PLANTING AREA.2.REED CANARYGRASS CAN RESPROUT FROM BELOW-GROUNDPORTIONS, SO ALL RHIZOMES SHALL BE GRUBBED OUT.AROUND SIGNIFICANT VEGETATION TO REMAIN, REEDCANARYGRASS SHALL BE GRUBBED OUT BY HAND TOMINIMIZE DISRUPTION TO ADJACENT ROOTS.3.AFTER REED CANARYGRASS HAS BEEN REMOVED, AREASHOULD BE MULCHED AND PLANTED PER PLAN.4.DISPOSE OF REMOVED MATERIAL OFF-SITE AT APROFESSIONAL FACILITY.REMOVE HIMALAYAN/EVERGREEN BLACKBERRY:1.CUT ABOVE GROUND PORTION OF BLACKBERRY AND REMOVEOFF-SITE. ENSURE THAT NO NATIVE PLANTS ARE REMOVED.2.CANES SHALL BE REMOVED FROM CANOPY OF TREES TOREMAIN TO THE EXTENT FEASIBLE AS DETERMINED BY THERESTORATION SPECIALIST.3.DIG UP OR PULL THE REMAINING ROOT BALL. ENSURE THATNO NATIVE PLANT ROOTS ARE DAMAGED.4.REPLACE ANY DIVOTS CREATED WHEN REMOVING THE PLANTWITH APPROVED TOPSOIL.5.ALL CANES SHALL BE CUT BACK AND REMOVED WITHIN THETEN (10) FEET ADJACENT TO THE PLANTING AREA, INCLUDINGTREE CANOPY. CANES SHALL BE PULLED AND REMOVEDOFF-SITE.6.REVEGETATE PER PLANTING PLAN. COVER WITH WOOD CHIPMULCH FOUR INCHES DEEP.7.MONITOR SITE THROUGHOUT GROWING SEASON FOREMERGING CANES AND GRUB OUT AND REMOVE ANY NEWPLANTS. CONTINUE TO CUT BACK CANES TEN (10) FEET FROMTHE PLANTING AREA.REMOVE ENGLISH IVY:1.PHYSICALLY REMOVE ALL ENGLISH IVY VINES AND ROOTSFROM THE PLANTING AREA.2.IF GROWING ON TREE TRUNKS, CUT VINES TO HEIGHT OF 4'OFF GROUND. DO NOT PULL DOWN FROM TREE CROWNS.3.IVY CAN RESPROUT FROM BELOW-GROUND PORTIONS, SOALL ROOTS SHALL BE GRUBBED OUT BY HAND TO MINIMIZEDISRUPTION TO ADJACENT ROOTS.4.IVY SHALL BE CUT AROUND THE BASE OF EACH TREE, TOPREVENT THE IVY FROM GIRDLING THE TREES. REMOVESTANDING VINES FROM THE LOWER 4' OF EVERY TREE TRUNKTHAT CONTAINS ANY IVY.5.AFTER IVY HAS BEEN REMOVED, AREA SHOULD BE MULCHEDAND PLANTED PER PLAN.6.DISPOSE OF REMOVED MATERIAL PROPERLY OFF SITE.REMOVE ENGLISH HOLLY:1.FOR SMALL PLANTS, DIG OR PULL UP PLANT, TAKING CARETHAT ROOTS ARE REMOVED.2.FOR LARGER PLANTS, CUT TREE AT BASE.3.IMMEDIATELY AFTER CUTTING, APPLY HERBICIDECONTAINING THE ACTIVE INGREDIENT GLYPHOSATEDIRECTLY ONTO THE CUT PORTION OF THE STUMP.APPLICATION OF HERBICIDE SHOULD BE DONE BY AWASHINGTON STATE CERTIFIED APPLICATOR AND SHOULD BEDONE FOLLOWING MANUFACTURERS RATES ANDINSTRUCTIONS.4.DISPOSE OF REMOVED MATERIAL PROPERLY OFF SITE.SOIL PREPARATION DETAILS AND NOTESScale: NTSSOIL PREPARATION SEQUENCE FOR BUFFER MIX C2STEP 1STEP 2STEP 3MIN. 8"EXISTING2" FINECOMPOSTScale: NTSSOIL PREPARATION SEQUENCE FOR BUFFER MIX B, D, AND E1BPLANTING AREA PREPARATIONMIN. 2"NOTES:1.BIOGRADABLE EROSION CONTROL BLANKET SHALL PROVIDEEROSION PROTECTION FOR 24-36 MONTHS, AND SHALL BE 100% COIRMATTING, 900 GRAMS, BY BROTHERS COIR MILLS PVT. LTD. OREQUIVALENT AS APPROVED BY THE OWNER'S REPRESENTATIVE.2.BLANKET SHALL BE CUT LARGER THAN THE INSTALLATION AREASHOWN ON THE CONTRACT DRAWINGS IN ORDER TO EXTENDBEYOND THE EDGES AND KEY INTO THE SUBGRADE AS SHOWN.5.CLEAR ANY WEEDS OR DEBRIS FROM THE INSTALLATION AREABEFORE INSTALLING THE BLANKET.6.PREPARE SLOPE SOIL SURFACE PER PLAN.7.BURY THE TOP END OF THE BLANKET IN A TRENCH 6 INCHES DEEPAND 6 INCHES WIDE WITH A MIN. 12" OF FABRIC EXTENDING BEYONDUPSLOPE PORTION OF THE TRENCH. BACKFILL AND COMPACT THETRENCH AFTER SECURING.8.SECURE THE BLANKET AT THE TOP TRENCH WITH A ROW OF STAKES(PLANT OR DEAD WOOD) PLACED 12" APART ACROSS THE WIDTH OFTHE BLANKET.9.ROLL THE BLANKET ACROSS SLOPE AS DIRECTED BY OWNER'SREPRESENTATIVE.11.THE EDGES OF ALL HORIZONTAL AND VERTICAL SEAMS MUST BESECURED WITH A MIN. 12" OF OVERLAP.12.ADDITIONAL HORIZONTAL BLANKETS SHALL BE JOINED USING AMINIMUM 12" OVERLAPPING OR SHINGLE STYLE IN THE DIRECTION OFWATER FLOW. PLACE STAKES MIN. 6" APART ALONG THEOVERLAPPING SEAMS.13.KEY BLANKET INTO SUBGRADE AT BOTTOM OF SLOPE IN A 12" X 6"ANCHOR TRENCH. BACKFILL AND COMPACT TRENCH AFTERSECURING WITH STAKES EVERY 12".14.INSTALL LIVE STAKES THROUGH COIR PER PLANTING PLAN.15.NO FILL (COMPOST, MULCH, EROSION CONTROL BLANKET, ETC.) IS TOBE PLACED BELOW THE OHWM.STAKING PATTERN FOR HIGH FLOW CHANNEL (3,8 STAKES PER SQUARE YARD)VERIFY WITH MANUFACTURER WARRANTYOHWM20"10"4'-0"USE WASHED GRAVEL BACKFILLBLANKET KEYED AND STAKED INTOSUBGRADE. SEE PLAN FOR LOCATION.ENSURE MAXIMUM SOIL CONTACT TOPREVENT EROSION BENEATH THEMAT/BLANKET.DECOMPACT SOILS TO 8 INCHES.APPROVED PLANT STAKE. STAKEBLANKET PER STAKING PATTERN.12"6"6"3 6 " 8 " 3 " - 6 "6"1 2 "STEP 1REMOVE UNDESIRABLE SPECIESWITHIN CLEAR AND GRUB LIMITS.PLACE TWO (2) INCHES COMPOST.STEP 2INCORPORATE COMPOST TO AN EIGHT(8) INCH DEPTH.STEP 3INSTALL PLANTS (SEE PLANTINGDETAIL).STEP 4INSTALL MULCH LAYER FOUR (4)INCHES DEEPAND INSTALL PLANTS (SEE PLANTINGDETAIL).PLANTING AREA PREPARATIONSTEP 1REMOVE UNDESIRABLE SPECIES WITHINCLEAR AND GRUB LIMITS.PLACE TWO (2) INCHES COMPOST.STEP 2INCORPORATE COMPOST TO AN EIGHT (8)INCH DEPTH.STEP 3INSTALL MULCH LAYER FOUR (4) INCHES DEEP.(SEE PLANTING DETAIL.)STEP 4INSTALL EROSION CONTROL BLANKET ASSHOWN AND INSTALL PLANTS.STEP 44" BARKOR WOODCHIPMULCHPLANTING AREA PREPARATIONSTEP 1REMOVE UNDESIRABLE SPECIES.WORK WITHIN EXISTING ROOTZONES SHALL BE DONE BY HAND.STEP 2PLACE 0.13 CF / 1 GALLON OFCOMPOST PER PLANTING PIT ANDMIX WITH EXCAVATED SOIL.STEP 3LEAVE MINIMUM ONE (1) INCH LAYEROF AMENDED SOIL AT THE BOTTOMOF THE PIT THEN INSTALL PLANT(SEE PLANTING DETAIL). BACKFILLWITH AMENDED SOIL.STEP 4INSTALL MULCH RING FOUR (4)INCHES DEEP AND EIGHTEEN (18)INCHES WIDE AROUND PLANT BASE.HOLD BACK MULCH FROM TRUNKS /STEMS.EXISTINGSTEP 14"ROOTBALLDEPTH2X MIN DIAROOTBALLSTEP 2STEP 3STEP 32" COMPOSTPITAMEND4" WOODCHIPMULCHScale: NTSSOIL PREPARATION: PIT AMEND EXISTING1AKnow what'sbelow.before you dig.CallR EXISTING 48"CONCRETE CULVERT(SEE CIVIL)STREAM BUFFEREXISTING RIPRAP EXISTING GABION WALL (APPROX.LOCATION) (SEE CIVIL PLANS)STREAM DPROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-14-2018 90% PLANS LJM LOGAN MCCLISH TWC-131113_03611 THUNDER HILLS.DWG 22NOTESTEMPORARY BYPASS PLANSANDBAG COFFERDAMWRAPPED IN PLASTIC(SEE NOTES)W5.0 OF40105020SCALE: 1" = 10' WHEN PRINTED AT 22" x 34"1.ALL IN-WATER WORK SHALL COMPLY WITH APPROVED WDFW ANDUSACE PERMIT CONDITIONS.2.CONTRACTOR IS RESPONSIBLE FOR ENSURING BYPASS CONVEYSENTIRE BASEFLOW.3.THOUGH NO FISH ARE EXPECTED, TEST THE IN-WATER WORKAREA FOR LOG STRUCTURE PLACEMENT FOR FISH USE BYELECTROFISHING. IF FISH ARE FOUND, SET UP FISH SCREENS ORBLOCK NETTING UPSTREAM AND DOWNSTREAM OF THE PROJECTAREA TO IDENTIFY LIMITS OF FISH REMOVAL. USE SEINE AND DIPNETS AND/OR ELECTROFISHING EQUIPMENT IN THAT ORDER OFPREFERENCE TO REMOVE ANY FISH FROM THE PROJECT AREA.4.PLACE COFFERDAM AND PROVIDE A TEMPORARY BYPASS TOROUTE WATER AROUND THE WOOD INSTALLATION AREA.CONTRACTOR SHALL SUBMIT SANDBAG COFFERDAM DETAIL FORAPPROVAL BY RESTORATION SPECIALIST.5.PLACE EROSION CONTROL FEATURES AND ELEMENTS AS SHOWNON THE CIVIL PLANS TO PREVENT SEDIMENT FROM MOVING OUTOF THE PROJECT AREA. EROSION CONTROL WILL BE PROVIDED INACCORDANCE WITH BOTH THE CITY OF RENTON MAINTENANCESTANDARD OPERATION PROCEDURES AND KING COUNTYREGIONAL ROAD MAINTENANCE ESA PROGRAM GUIDELINES.6.AFTER IN-WATER WORK HAS BEEN COMPLETED, REMOVE THETEMPORARY STREAM BYPASS.7.RESTORE ALL DISTURBED AREAS BY REMOVING INVASIVESPECIES AND REPLANTING WITH WOODY MATERIAL INCLUDINGTREES, SHRUBS, AND LIVE STAKES ACCORDING TO THEMITIGATION PLANTING PLANS TO PROVIDE SHADE AND HABITAT.8.SHOULD IT RAIN A SUFFICIENT AMOUNT DURING CONSTRUCTION,SUCH THAT THE CAPACITY OF THE BYPASS SYSTEM IS EXCEEDED,ALL WORK WITHIN THE STREAM OHWM SHOULD BE STOPPED.WORK WITHIN THE OHWM SHOULD NOT RESUME AGAIN UNTIL THESTREAM HAS RETURNED TO BASEFLOW.RELOCATE EXISTING ROCK INAN EXISTING POOL TOCREATE FLOW CATCHMENTAREA BEHIND SANDBAGCOFFERDAMPROPOSED SEWER CIPP(SEE CIVIL PLANS)PROPOSED PATH CENTERLINE(SEE CIVIL PLANS)THUNDER HILLS CREEKTEMPORARY FLEXIBLE BYPASS PIPE CAPABLEOF CONVEYING ENTIRE STREAM BASEFLOWPLACE DISCHARGE END OF PIPE AFTERTREE TOP LOCATION (SEE SHEET W5.1).SHOULD BYPASSED FLOWS CREATE ABACKWATER EFFECT INTO THE PROJECTAREA, CREATE DOWNSTREAM SANDBAGCOFFERDAMKnow what'sbelow.before you dig.CallR EXISTING 48"CONCRETE CULVERT(SEE CIVIL)STREAM BUFFEREXISTING RIPRAP EXISTING GABION WALL (APPROX.LOCATION) (SEE CIVIL PLANS)STREAM DTREE TOP (LENGTH MIN. 20')LOG WITH ROOTS (LENGTH MIN.12')LOG (LENGTH MIN. 12' - 20')ROOT WAD (LENGTH 5' - 7')EXISTING GABION WALL ( SEE CIVIL PLANS)STREAM CENTERLINESEWER LINEPATH CENTERLINEPROPOSED PATHSSPROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-14-2018 90% PLANS LJM LOGAN MCCLISH TWC-131113_03611 THUNDER HILLS.DWG 22NOTESLARGE WOODY DEBRIS PLAN15.215.2W5.1 OF40105020SCALE: 1" = 10' WHEN PRINTED AT 22" x 34"1.ALL LOGS TO BE PLACED UNDER THE SUPERVISION OFSTREAM RESTORATION SPECIALIST.2.TREE TOP LIMBS ARE TO BE TRIMMED OFF ON ONE SIDETO ALLOW FOR TIGHTER FITTING TO THE STREAMBEDAND BANK.LEGEND16" DIA CEDAR LOG WITH ATTACHED ROOTS20" DIA ROOT WAD16" DIA CEDAR LOG WITH ATTACHED ROOTSSEWER CIPP (SEE CIVIL PLANS)PROPOSED PATH CENTERLINELOCATE LOG AT TOE OF FAILING GABIONTHUNDER HILLS CREEKKnow what'sbelow.before you dig.CallR 010203051525APPROXIMATEEXISTINGGRADE35PARTIALLY INSERTLOG 4' INTO BANKAVOID SEWER LINE(SEE CIVIL PLAN)LOW WATER SURFACEACCESSTRAILMOVE EXISTING BOULDERS AS NEEDED TOFIELD FIT LOGSTREAM D1009998979695949392919089101102103BOLT SECURING LOG (SEEDETAIL 2)104100-YR WATER SURFACE1009998979695949392919089101102103104ANCHOR TO MINIMUM DEPTH AS RECOMMENDED BY PROJECTGEOTECHPROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-14-2018 90% PLANS LJM LOGAN MCCLISH TWC-131113_03611 THUNDER HILLS.DWG 22LARGE WOODY DEBRIS NOTES & DETAILSW5.2 OFSCALE: NTSNOTES1.ANCHOR LOGS ACCORDING TO THE LOG STRUCTURE LAYOUT ON THE PLANS.2.LAYOUT LOG STRUCTURES PER PLAN AND DETAILS, HOWEVER FIELD ADJUSTMENT MAY BENECESSARY. CONFIRM LAYOUT IN FIELD WITH ASSISTANCE FROM THE STREAM RESTORATIONCONSULTANT.3.LOG PROTRUSION DISTANCE INTO THE STREAM VARIES. LOGS WHICH PROTRUDE INTO THESTREAM CHANNEL ARE TO BE ANGLED SLIGHTLY DOWNWARDS AWAY FROM THE BANK.4.UNDER THE SUPERVISION OF THE STREAM RESTORATION SPECIALIST, ADJUST EXISTING ROCK TOFIELD FIT AND SUPPORT LOGS AND ROOT WADS IN THE STREAM CHANNEL.5.SHOULD ADDITIONAL WESTERN REDCEDAR LOGS BE AVAILABLE (DUE TO LENGTH OF TREES USED),THESE SHALL BE PLACED AND ANCHORED IN THE STREAM UNDER THE DIRECTION OF THE STREAMRESTORATION SPECIALIST.6.ANCHOR LOGS USING DRILLED ROCK ANCHORS IN BEDROCK (SEE SHEET W5.2, DETAILS 2 AND 3).TREE TOPLOG WITH ROOTSLOGROOT WADNUMBEROFPIECES3231LOGS SHALL BE SECURED WITH 34"DIAMETER EYE BOLTS DRIVEN THROUGHPILOT HOLES DRILLED THROUGH THECENTER OF LOGS WITH 3" BRIDGE WASHERSAT EACH END. EYE BOLTS SHALL THEN BECHAINED TO ROCK ANCHOR SYSTEMCAPABLE OF HOLDING 5,000 LBS MINIMUM.ONCE NUT IS FIRMLY SECURED, CUT OFFBOLT APPROX. 1/4" ABOVE THE NUT ANDHAMMER BOLT END TO PREVENT REMOVALOF NUT.NOTE:1.IN SOME INSTANCES, IF ANCHORING SYSTEM ISATTACHED TO CTB (CONTINUOUSLY THREADEDBAR) IT MAY BE FEASIBLE TO PLACE THE LOGSUCH THAT THE ROD PASSES THROUGH THEPRE-DRILLED HOLE AND SECURED USING ABRIDGE WASHER AND NUT AS DESCRIBED ABOVE.2.EACH LOG SHALL HAVE AT LEAST 2 ANCHORINGPOINTS, AND EACH ROOT WAD AND TREE TOPSHALL HAVE AT LEAST 1 ANCHORING POINT.EYE-BOLT (OR THREADEDROD) SHALL PASS THROUGHMIN. 12" OF SOLID WOOD.TYPICAL LOGBANKUPLAND48" MIN.48" MIN.ROOT WADEYE-BOLT (ORTHREADED ROD) SHALLPASS THROUGH MIN. 12"OF SOLID WOOD.ATTACH CHAIN TO ANCHOR48" MIN.BEDROCKOHWMU-SHAPEDREBARScale: NTSLOG ANCHORING2MATERIALS SPECIFICATIONS1)WOOD SHALL BE WESTERN REDCEDAR TREES SOURCED FROM ONSITE.THESE TREES CAN BE FOUND ON THE CIVIL ENGINEERING PLANS FOR THESEWER INTERCEPTOR REHABILITATION PLANS, SHEETS 4 - 6. THE TOTALNUMBER AND TYPE OF WOOD IS LISTED BELOW:WOODYDEBRISTYPEScale: NTSCROSS-SECTION W5.01LOGDIMENSION20' MIN12' MIN12' - 20' MIN5' - 7'NUMBER OFANCHORSPER LOG1221ANCHOR SPECIFICATIONS1)IF BEDROCK CANNOT BE REACHED NEAR LOG LOCATION THEN BOULDERS ARE TO BE USED. ADJUSTEXISTING BOULDER LOCATIONS TO FACILITATE LOG POSITIONING AND ANCHORING (SEE DETAIL 3), ANDTO MEET ANCHORING REQUIREMENTS AS PROVIDED IN THE DETAILS AND SPECIFICATIONS.2)ALL WOOD IS TO BE ANCHORED USING ROCK ANCHORS DRILLED INTO THE BEDROCK.3)ANCHORS ARE TO BE GLUED ROCK ANCHORS CAPABLE OF A LOADING CAPACITY OF 5,000 LBS WHENPROPERLY INSTALLED. EPOXY MUST BE DESIGNATED FOR WET OR IN-WATER USE (SEE SHEET W5.2,DETAIL 3).4)SEE SHEET W5.2, DETAIL 2 FOR ATTACHING ROCK ANCHORS TO INSTALLED WOOD.NOTE: ROCKS MUST MEET MINIMUM SIZEREQUIREMENT OF 1.1 CY OR 5,000 LBSDRILL TWO 34" HOLES A MIN.6" DEEP. CLEAN HOLETHOROUGHLY BYPOURING WATER INTOHOLE AND PLUNGING WITHA NYLON BRUSH UNTILWATER IS CLEAN. RINSEWELL.U-SHAPED, NO. 4 REBAR (0.5"DIAM.) INSERTED A MIN. 6"INTO ROCK. ATTACH TOBOULDER USING TYPE IVEPOXY ADHESIVE INTENDEDFOR MARINE USES.SECURE CHAIN TO EYE BOLTUSING TWO REMOVABLE LINKSMIN. 6"Scale: NTSBOULDER ANCHOR ALTERNATIVE3MIN. DBH8"16"16"18"Know what'sbelow.before you dig.CallR TREESABIES GRANDIS / GRAND FIRPICEA SITCHENSIS / SITKA SPRUCEPSEUDOTSUGA MENZIESII / DOUGLAS FIRTHUJA PLICATA / WESTERN REDCEDARTSUGA HETEROPHYLLA / WESTERN HEMLOCKSHRUBSCORYLUS CORNUTA / BEAKED HAZELNUTHOLODISCUS DISCOLOR / OCEANSPRAYOEMLERIA CERASIFORMIS / OSO BERRYGROUNDCOVERMAHONIA NERVOSA / DULL OREGON GRAPEPOLYSTICHUM MUNITUM / WESTERN SWORDFERNPLANT SCHEDULE FOR BUFFER MIX A (24,141 SF)QTY14141414144040406262SPACING20' O.C.20' O.C.20' O.C.20' O.C.20' O.C.15' O.C.15' O.C.15' O.C.15' O.C.15' O.C.SIZEMIN. 4' TALL.MIN. 4' TALL.MIN. 4' TALL.MIN. 4' TALL.MIN. 4' TALL.1 GAL.1 GAL.1 GAL.1 GAL.1 GAL.SHRUBSACER CIRCINATUM / VINE MAPLECORYLUS CORNUTA / BEAKED HAZELNUTHOLODISCUS DISCOLOR / OCEANSPRAYSYMPHORICARPOS ALBUS / SNOWBERRYOEMLERIA CERASIFORMIS / OSO BERRYGROUNDCOVERMAHONIA NERVOSA / DULL OREGON GRAPEPOLYSTICHUM MUNITUM / WESTERN SWORDFERNPLANT SCHEDULE FOR BUFFER MIX B (26,682 SF)QTY15815815815815813101310SPACING6' O.C.6' O.C.6' O.C.6' O.C.6' O.C.3' O.C.3' O.C.SIZE1 GAL.1 GAL.1 GAL.1 GAL.1 GAL.1 GAL.1 GAL.LIVE STAKES (MIN. 4' LENGTH)CORNUS SERICEA / RED-OSIER DOGWOODSALIX LUCIDA / PACIFIC WILLOWSALIX HOOKERIANA / HOOKER'S WILLOWSALIX SCOULERIANA / SCOULER'S WILLOWSALIX SITCHENSIS / SITKA WILLOWPHYSOCARPUS CAPITATUS / PACIFIC NINEBARKPLANT SCHEDULE FOR BUFFER MIX C (6,022 SF)QTY741741741741741741SPACING15" O.C.15" O.C.15" O.C.15" O.C.15" O.C.15" O.C.SIZE1/2" DIA.1" DIA.1" DIA.1" DIA.1" DIA.1/2" DIA.SHRUBS*HOLODISCUS DISCOLOR / OCEANSPRAYMAHONIA AQUIFOLIUM / TALL OREGON GRAPEROSA NUTKANA / NOOTKA ROSESPIRAEA DOUGLASII / ROSE SPIREAGROUNDCOVERPTERIDIUM AQUILINUM / WESTERN BRACKENFERNPLANT SCHEDULE FOR BUFFER MIX E (4,035 SF)QTY32323232387SPACING6' O.C.6' O.C.6' O.C.6' O.C.3' O.C.SIZE1 GAL.1 GAL.1 GAL.1 GAL.1 GAL.*MITIGATION PLANTING WITHIN POWERLINE EASEMENTS SHALL BE IN ACCORDANCE WITHPOWER PROVIDER VEGETATION HEIGHT REQUIREMENTS.TREESABIES GRANDIS / GRAND FIRACER MACROPHYLLUM / BIGLEAF MAPLEPICEA SITCHENSIS / SITKA SPRUCEPOPULUS BALSAMIFERA / COTTONWOODTHUJA PLICATA / WESTERN REDCEDARTSUGA HETEROPHYLLA / WESTERN HEMLOCKSHRUBSCORYLUS CORNUTA / BEAKED HAZELNUTHOLODISCUS DISCOLOR / OCEANSPRAYOEMLERIA CERASIFORMIS / OSO BERRYSALIX LUCIDA / PACIFIC WILLOWPLANT SCHEDULE FOR BUFFER MIX D (4,633 SF)QTY99999924242424SPACING10' O.C.10' O.C.10' O.C.10' O.C.10' O.C.10' O.C.6' O.C.6' O.C.6' O.C.6' O.C.SIZEMIN. 4' TALL.MIN. 4' TALL.MIN. 4' TALL.MIN. 4' TALL.MIN. 4' TALL.MIN.4' TALL.1 GAL.1 GAL.1 GAL.1 GAL.PROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-14-2018 90% PLANS LJM LOGAN MCCLISH TWC-131113_03611 THUNDER HILLS.DWG 22PLANTING SCHEDULEW6.0 OFNOTES:1. FIELD ADJUST SO NEW TREES ARE MIN. 10' O.C. WITH EXISTING TREES2. FLAG NEW PLANTSKnow what'sbelow.before you dig.CallR NOTES:1. PLANTING PIT SHALL NOT BE LESS THAN (2)TIMES THE WIDTH OF THE ROOT BALL DIA.2. LOOSEN SIDES AND BOTTOMS OF PLANTING PIT3. SOAK PLANTING PIT AFTER PLANTING2X MIN DIA. ROOTBALLREMOVE FROM POT OR BURLAP & ROUGH-UPROOT BALL BEFORE INSTALLING. UNTANGLEAND STRAIGHTEN CIRCLING ROOTS - PRUNE IFNECESSARY. IF PLANT IS EXCEPTIONALLYROOT-BOUND, DO NOT PLANT AND RETURN TONURSERY FOR AN ACCEPTABLE ALTERNATIVESPECIFIED MULCH LAYER. HOLD BACK MULCHFROM TRUNK/STEMSFINISH GRADEREMOVE DEBRIS AND LARGE ROCKS FROM PLANTINGPIT AND SCARIFY SIDES AND BASE. BACKFILL WITHSPECIFIED SOIL. FIRM UP SOIL AROUND PLANT.3"3"NOTES:1.PLANT GROUNDCOVER AT SPECIFIED DISTANCEON-CENTER (O.C.) USING TRIANGULAR SPACING, TYP.2.LOOSEN SIDES AND BOTTOM OF PLANTING PIT ANDREMOVE DEBRIS3.LOOSEN ROOTBOUND PLANTS BEFORE INSTALLING4.SOAK PIT BEFORE AND AFTER INSTALLING PLANTSPECIFIED MULCH LAYER.HOLD BACK MULCH FROMSTEMSSOIL AMENDMENTS AS SPECIFIEDPROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-14-2018 90% PLANS LJM LOGAN MCCLISH TWC-131113_03611 THUNDER HILLS.DWG 22PLANTING NOTES & DETAILSW6.1 OFSCALE: VARIESGENERAL NOTESQUALITY ASSURANCE1. PLANTS SHALL MEET OR EXCEED THE SPECIFICATIONS OFFEDERAL, STATE, AND LOCAL LAWS REQUIRING INSPECTION FORPLANT DISEASE AND INSECT CONTROL.2. PLANTS SHALL BE HEALTHY, VIGOROUS, AND WELL-FORMED,WITH WELL DEVELOPED, FIBROUS ROOT SYSTEMS, FREE FROMDEAD BRANCHES OR ROOTS. PLANTS SHALL BE FREE FROMDAMAGE CAUSED BY TEMPERATURE EXTREMES, LACK OREXCESS OF MOISTURE, INSECTS, DISEASE, AND MECHANICALINJURY. PLANTS IN LEAF SHALL BE WELL FOLIATED AND OFGOOD COLOR. PLANTS SHALL BE HABITUATED TO THE OUTDOORENVIRONMENTAL CONDITIONS INTO WHICH THEY WILL BEPLANTED (HARDENED-OFF).3. TREES WITH DAMAGED, CROOKED, MULTIPLE OR BROKENLEADERS WILL BE REJECTED. WOODY PLANTS WITH ABRASIONSOF THE BARK OR SUN SCALD WILL BE REJECTED.4. NOMENCLATURE: PLANT NAMES SHALL CONFORM TO FLORA OFTHE PACIFIC NORTHWEST BY HITCHCOCK AND CRONQUIST,UNIVERSITY OF WASHINGTON PRESS, 1973 AND/OR TO A FIELDGUIDE TO THE COMMON WETLAND PLANTS OF WESTERNWASHINGTON & NORTHWESTERN OREGON, ED. SARAH SPEARCOOKE, SEATTLE AUDUBON SOCIETY, 1997.DEFINITIONS1.PLANTS/PLANT MATERIALS. PLANTS AND PLANT MATERIALSSHALL INCLUDE ANY LIVE PLANT MATERIAL USED ON THEPROJECT. THIS INCLUDES BUT IS NOT LIMITED TO CONTAINERGROWN, B&B OR BAREROOT PLANTS; LIVE STAKES ANDFASCINES (WATTLES); TUBERS, CORMS, BULBS, ETC..; SPRIGS,PLUGS, AND LINERS.2.CONTAINER GROWN. CONTAINER GROWN PLANTS ARE THOSEWHOSE ROOTBALLS ARE ENCLOSED IN A POT OR BAG IN WHICHTHAT PLANT GREW.SUBSTITUTIONS1. IT IS THE CONTRACTOR'S RESPONSIBILITY TO OBTAIN SPECIFIEDMATERIALS IN ADVANCE IF SPECIAL GROWING, MARKETING OROTHER ARRANGEMENTS MUST BE MADE IN ORDER TO SUPPLYSPECIFIED MATERIALS.2. SUBSTITUTION OF PLANT MATERIALS NOT ON THE PROJECT LISTWILL NOT BE PERMITTED UNLESS AUTHORIZED IN WRITING BYTHE RESTORATION CONSULTANT.3. IF PROOF IS SUBMITTED THAT ANY PLANT MATERIAL SPECIFIED ISNOT OBTAINABLE, A PROPOSAL WILL BE CONSIDERED FOR USEOF THE NEAREST EQUIVALENT SIZE OR ALTERNATIVE SPECIES,WITH CORRESPONDING ADJUSTMENT OF CONTRACT PRICE.4. SUCH PROOF WILL BE SUBSTANTIATED AND SUBMITTED INWRITING TO THE CONSULTANT AT LEAST 30 DAYS PRIOR TOSTART OF WORK UNDER THIS SECTION.INSPECTION1. PLANTS SHALL BE SUBJECT TO INSPECTION AND APPROVAL BYTHE RESTORATION CONSULTANT FOR CONFORMANCE TOSPECIFICATIONS, EITHER AT TIME OF DELIVERY ON-SITE OR ATTHE GROWER'S NURSERY. APPROVAL OF PLANT MATERIALS ATANY TIME SHALL NOT IMPAIR THE SUBSEQUENT RIGHT OFINSPECTION AND REJECTION DURING PROGRESS OF THE WORK.2. PLANTS INSPECTED ON SITE AND REJECTED FOR NOT MEETINGSPECIFICATIONS MUST BE REMOVED IMMEDIATELY FROM SITEOR RED-TAGGED AND REMOVED AS SOON AS POSSIBLE.3. THE RESTORATION CONSULTANT MAY ELECT TO INSPECT PLANTMATERIALS AT THE PLACE OF GROWTH. AFTER INSPECTION ANDACCEPTANCE, THE RESTORATION CONSULTANT MAY REQUIRETHE INSPECTED PLANTS BE LABELED AND RESERVED FORPROJECT. SUBSTITUTION OF THESE PLANTS WITH OTHERINDIVIDUALS, EVEN OF THE SAME SPECIES AND SIZE, ISUNACCEPTABLE.MEASUREMENT OF PLANTS1. PLANTS SHALL CONFORM TO SIZES SPECIFIED UNLESSSUBSTITUTIONS ARE MADE AS OUTLINED IN THIS CONTRACT.2. HEIGHT AND SPREAD DIMENSIONS SPECIFIED REFER TO MAINBODY OF PLANT AND NOT BRANCH OR ROOT TIP TO TIP. PLANTDIMENSIONS SHALL BE MEASURED WHEN THEIR BRANCHES ORROOTS ARE IN THEIR NORMAL POSITION.3. WHERE A RANGE OF SIZE IS GIVEN, NO PLANT SHALL BE LESSTHAN THE MINIMUM SIZE AND AT LEAST 50% OF THE PLANTSSHALL BE AS LARGE AS THE MEDIAN OF THE SIZE RANGE.(EXAMPLE: IF THE SIZE RANGE IS 12" TO 18", AT LEAST 50% OFPLANTS MUST BE 15" TALL.).SUBMITTALSPROPOSED PLANT SOURCES1. WITHIN 45 DAYS AFTER AWARD OF THE CONTRACT, SUBMIT ACOMPLETE LIST OF PLANT MATERIALS PROPOSED TO BEPROVIDED DEMONSTRATING CONFORMANCE WITH THEREQUIREMENTS SPECIFIED. INCLUDE THE NAMES ANDADDRESSES OF ALL GROWERS AND NURSERIES.PRODUCT CERTIFICATES1. PLANT MATERIALS LIST - SUBMIT DOCUMENTATION TOCONSULTANT AT LEAST 30 DAYS PRIOR TO START OF WORKUNDER THIS SECTION THAT PLANT MATERIALS HAVE BEENORDERED. ARRANGE PROCEDURE FOR INSPECTION OF PLANTMATERIAL WITH CONSULTANT AT TIME OF SUBMISSION.2. HAVE COPIES OF VENDOR'S OR GROWERS' INVOICES ORPACKING SLIPS FOR ALL PLANTS ON SITE DURING INSTALLATION.INVOICE OR PACKING SLIP SHOULD LIST SPECIES BY SCIENTIFICNAME, QUANTITY, AND DATE DELIVERED (AND GENETIC ORIGIN IFTHAT INFORMATION WAS PREVIOUSLY REQUESTED).DELIVERY, HANDLING, & STORAGENOTIFICATIONCONTRACTOR MUST NOTIFY CONSULTANT 48 HOURS OR MORE INADVANCE OF DELIVERIES SO THAT CONSULTANT MAY ARRANGE FORINSPECTION.PLANT MATERIALS1.TRANSPORTATION - DURING SHIPPING, PLANTS SHALL BEPACKED TO PROVIDE PROTECTION AGAINST CLIMATE EXTREMES,BREAKAGE AND DRYING. PROPER VENTILATION ANDPREVENTION OF DAMAGE TO BARK, BRANCHES, AND ROOTSYSTEMS MUST BE ENSURED.2.SCHEDULING AND STORAGE - PLANTS SHALL BE DELIVERED ASCLOSE TO PLANTING AS POSSIBLE. PLANTS IN STORAGE MUSTBE PROTECTED AGAINST ANY CONDITION THAT IS DETRIMENTALTO THEIR CONTINUED HEALTH AND VIGOR.3.HANDLING - PLANT MATERIALS SHALL NOT BE HANDLED BY THETRUNK, LIMBS, OR FOLIAGE BUT ONLY BY THE CONTAINER, BALL,BOX, OR OTHER PROTECTIVE STRUCTURE, EXCEPT BAREROOTPLANTS SHALL BE KEPT IN BUNDLES UNTIL PLANTING AND THENHANDLED CAREFULLY BY THE TRUNK OR STEM.4.LABELS - PLANTS SHALL HAVE DURABLE, LEGIBLE LABELSSTATING CORRECT SCIENTIFIC NAME AND SIZE. TEN PERCENTOF CONTAINER GROWN PLANTS IN INDIVIDUAL POTS SHALL BELABELED. PLANTS SUPPLIED IN FLATS, RACKS, BOXES, BAGS, ORBUNDLES SHALL HAVE ONE LABEL PER GROUP.WARRANTYPLANT WARRANTYPLANTS MUST BE GUARANTEED TO BE TRUE TO SCIENTIFIC NAMEAND SPECIFIED SIZE, AND TO BE HEALTHY AND CAPABLE OFVIGOROUS GROWTH.REPLACEMENT1.PLANTS NOT FOUND MEETING ALL OF THE REQUIREDCONDITIONS AT THE CONSULTANT'S DISCRETION MUST BEREMOVED FROM SITE AND REPLACED IMMEDIATELY AT THECONTRACTOR'S EXPENSE.2.PLANTS NOT SURVIVING AFTER ONE YEAR TO BE REPLACED ATTHE CONTRACTOR'S EXPENSE.PLANT MATERIALGENERAL1. PLANTS SHALL BE NURSERY GROWN IN ACCORDANCE WITHGOOD HORTICULTURAL PRACTICES UNDER CLIMATICCONDITIONS SIMILAR TO OR MORE SEVERE THAN THOSE OF THEPROJECT SITE.2. PLANTS SHALL BE TRUE TO SPECIES AND VARIETY ORSUBSPECIES. NO CULTIVARS OR NAMED VARIETIES SHALL BEUSED UNLESS SPECIFIED AS SUCH.QUANTITIESSEE PLANT LIST ON ACCOMPANYING PLANS AND PLANT SCHEDULES.ROOT TREATMENT1.CONTAINER GROWN PLANTS (INCLUDES PLUGS): PLANT ROOTBALLS MUST HOLD TOGETHER WHEN THE PLANT IS REMOVEDFROM THE POT, EXCEPT THAT A SMALL AMOUNT OF LOOSE SOILMAY BE ON THE TOP OF THE ROOTBALL.2.PLANTS MUST NOT BE ROOT-BOUND; THERE MUST BE NOCIRCLING ROOTS PRESENT IN ANY PLANT INSPECTED.3.ROOTBALLS THAT HAVE CRACKED OR BROKEN WHEN REMOVEDFROM THE CONTAINER SHALL BE REJECTED.PLANT INSTALLATION SPECIFICATIONSScale: NTSTREE AND SHRUB PLANTING1Scale: NTSGROUNDCOVER PLANTING2Scale: NTSLIVE STAKE PLANTING3NOTES:1.INSTALL HARDWOOD CUTTINGS DURING THEIRDORMANCY. DO NOT ALLOW THEM TO DRY OUT.2.CUTTINGS SHALL BE 34" TO 1" IN DIAMETEROR APPROVED EQUIVALENT.3.INSTALL TO MIN. 2/3RDS DEPTH INTO SOIL. USETRIANGULAR SPACING. SEE PLANTING SCHEDULEFOR SPACING.4.INSURE THAT BUDS ARE POINTING UP.5.FIRM UP SOIL AROUND INSTALLED CUTTING.6.WATER AFTER PLANTING AND BEFORE MULCHING.SEE PLANTING SCHEDULEFOR MIN. LENGTHS2/3RDSCUTTINGHT.1/3RDCUTTINGHT.ANGLE CUTTING DOWNSLOPE. VERIFY ANGLE INFIELD WITH RESTORATION SPECIALIST.MINIMUM TWO LIVE BUDS EXPOSED ABOVE GROUND.TAMP SOIL AROUND CUTTING, ENSURE NO AIR POCKETS.SPECIFIED MULCH LAYER.FINISHED GRADESOIL AMENDMENTS AS SPECIFIED.FORM PILOT HOLE W/ ROCK BAR,REBARD OR OTHER PLANTING TOOL. DONOT HAMMER OR POUND IN CUTTINGSUNLESS APPROVED BY RESTORATIONSPECIALIST.ANGLE CUT AT BASE.Know what'sbelow.before you dig.CallR PROJECT MANAGER: DESIGNED: DRAFTED: CHECKED:SHEET SIZE:ORIGINAL PLAN IS 22" x 34".SCALE ACCORDINGLY.BY© Copyright- The Watershed CompanyDATE PRINTED BY FILENAME THEWATERSHEDCOMPANYS c i e n c e & D e s i g n750 Sixth Street SouthKirkland WA 98033p 425.822.5242www.watershedco.comJOB NUMBER:SHEET NUMBER:SUBMITTALS & REVISIONS DESCRIPTIONDATENO.THUNDER HILLS SEWER INTERCEPTOR REHABILITATION PREPARED FOR: STANTEC - - CITY OF RENTON, WASHINGTONHMLJM/LV/EMLJM/LVMSF/HM/EM1311131 1 60% PLANS - DRAFT LJM/LV 2 12-21-2017 60% PLANS LV 3 05-14-2018 90% PLANS LJM LOGAN MCCLISH TWC-131113_03611 THUNDER HILLS.DWG 22MITIGATION NOTESW7.0 OFMITIGATION NOTESPROJECT SUMMARYPERMANENT BUFFER IMPACTS WILL BE COMPENSATED AT A RATIO OF ONE-TO-ONE. 38,551 SQUARE FEET OF EXISTING BUFFERWILL BE ENHANCED THROUGH REMOVAL OF INVASIVE VEGETATION, PLANTING OF NATIVE VEGETATION, AND MONITORING ANDMAINTAINING OF PLANTED VEGETATION UNTIL ESTABLISHMENT.GIVEN THE STEEP NATURE OF THE PROJECT SITE AND THE LACK OF PUBLIC OWNERSHIP, ON-SITE COMPENSATION FOR DIRECTWETLAND IMPACTS IS NOT FEASIBLE. ADDITIONALLY, THE CORPS AND ECOLOGY HAVE ESTABLISHED A PREFERENCE FOR THEUSE OF MITIGATION BANKS OR IN-LIEU FEE PROGRAMS OVER ON-SITE, PERMITTEE-RESPONSIBLE MITIGATION. DIRECT WETLANDIMPACTS FROM THE PROJECT WILL THEREFORE BE COMPENSATED THROUGH THE PURCHASE OF CREDITS FROM THE CITY OFRENTON'S APPROVED MITIGATION BANK ON SPRINGBROOK CREEK. THE DETAILS OF THIS PURCHASE AND MITIGATIONAPPROACH ARE PROVIDED IN THUNDER HILLS CREEK SANITARY SEWER REHABILITATION MITIGATION BANK USE PLAN (THEWATERSHED COMPANY 2017B).ALTHOUGH NO DIRECT STREAM IMPACTS ARE PROPOSED AND THE PROJECT AREA DOES NOT INCLUDE FISH-BEARING STREAMS,THE PROJECT AREA IS WITHIN THE DESIGNATED USUAL AND ACCUSTOMED FISHING GROUNDS OF THE MUCKLESHOOT TRIBE. ASA RESULT OF INPUT FROM THE MUCKLESHOOT TRIBE, THE PROJECT PROPOSES PLACEMENT OF LARGE WOOD IN THUNDERHILLS CREEK TO ENHANCE FISH HABITAT SHOULD THE EXISTING FISH PASSAGE BARRIERS BE CORRECTED AND FISH USE IN THECREEK RESUMED IN THE FUTURE. LARGE WOOD WILL INCLUDE NINE LOG, ROOTWAD, AND TREETOP SECTIONS ALONG THELOWER SECTION OF CREEK, EXTENDING APPROXIMATELY 250 FEET UPSTREAM FROM THE INTERSTATE 405 CULVERT INLET.GOALS AND OBJECTIVESGOAL:RESTORE HABITAT FUNCTIONS THAT MAY HAVE BEEN INTERRUPTED DUE TO TEMPORARY AND PERMANENT IMPACTS TOCRITICAL AREAS AND THEIR BUFFERS.OBJECTIVES:1.RESTORE SOILS REMOVED OR COMPACTED ALONG EQUIPMENT ACCESS AND STAGING AREAS.2.ESTABLISH DENSE AND DIVERSE NATIVE TREE, SHRUB, AND GROUNDCOVER VEGETATION WHERE DAMAGED DURINGCONSTRUCTION.3.REMOVE AND CONTROL INVASIVE WEEDS FROM RESTORATION AREAS.4.INCREASE STREAM HABITAT VALUE THROUGH THE INSTALLATION OF WOODY DEBRIS IN THE STREAM CHANNEL.PERFORMANCE STANDARDSTHE PERFORMANCE STANDARDS (PS) LISTED BELOW WILL BE USED TO JUDGE THE SUCCESS OF THE PLAN OVER TIME. IF THESTANDARDS ARE MET AT THE END OF THE FIVE-YEAR MONITORING PERIOD, THE RESTORATION SITE WILL BE CONSIDEREDSUCCESSFUL AND THE PROJECT WILL HAVE MET ALL CRITICAL AREA PERMITTING OBLIGATIONS.PS 1.SOILS:A.TEMPORARILY-PLACED SAND, GRAVEL, HOG FUEL, AND/OR OTHER FILL MATERIALS WILL BE ABSENT FROM EQUIPMENTACCESS AND STAGING AREA AT NORTH END OF CONSTRUCTION AREA.B.SOILS WILL BE DECOMPACTED PRIOR TO PLANTING.C.SOILS WILL BE AMENDED WITH COMPOST PRIOR TO PLANTING.PS 2.SURVIVAL/DIVERSITY:A.100% SURVIVAL OF ALL WOODY PLANTINGS AT THE END OF YEAR ONE. THIS STANDARD MAY BE MET THROUGHESTABLISHMENT OF INSTALLED PLANTS OR BY REPLANTING AS NECESSARY TO ACHIEVE THE REQUIRED NUMBERS.B.80% SURVIVAL OF ALL WOODY PLANTINGS AT THE END OF YEAR TWO. THIS STANDARD MAY BE MET THROUGHESTABLISHMENT OF INSTALLED PLANTS OR BY REPLANTING AS NECESSARY TO ACHIEVE THE REQUIRED NUMBERS.SURVIVAL BEYOND YEAR TWO IS DIFFICULT TO TRACK. THEREFORE, A DIVERSITY STANDARD IS PROPOSED IN PLACE OFSURVIVAL (BELOW). AREAS PLANTED ENTIRELY WITH LIVE CUTTINGS, OR DENSE GROUNDCOVER/EMERGENT PLANTINGS,SHALL NOT BE HELD TO THE 80% SURVIVAL STANDARD. ANY SUCH AREAS THAT EXHIBIT WIDESPREAD MORTALITY SHALLBE RE-EVALUATED BY THE RESTORATION SPECIALIST TO ASCERTAIN THE SITE-SPECIFIC VIABILITY OF THE CUTTINGS.PS 3.NATIVE WOODY VEGETATION COVER (APPLIES TO BUFFER MIX PLANTING AREAS B, C, D AND E ONLY):A.ACHIEVE AT LEAST 60% COVER OF NATIVE WOODY SPECIES BY THE END OF YEAR 3. VOLUNTEER SPECIES MAY COUNTTOWARDS THIS STANDARD.B.ACHIEVE AT LEAST 80% COVER OF NATIVE WOODY SPECIES BY THE END OF YEAR 5. VOLUNTEER SPECIES MAY COUNTTOWARDS THIS STANDARD.PS 4.DIVERSITY:A.ESTABLISH AT LEAST 1 NATIVE TREE SPECIES, 5 NATIVE SHRUB SPECIES, AND 2 NATIVE GROUNDCOVER SPECIES BY THEEND OF YEAR 5.PS 5.INVASIVE SPECIES STANDARDS:A.NO MORE THAN 10% COVER OF INVASIVE SPECIES IN ANY OF THE PLANTING AREAS, IN ANY MONITORING YEAR. MORETHAN 5% COVER OF INVASIVE WEEDS IN ANY YEAR WILL TRIGGER MAINTENANCE WEEDING.AS-BUILT PLANAN AS-BUILT PLAN WILL BE PREPARED WITHIN 30 DAYS OF SUBSTANTIALLY COMPLETE CONSTRUCTION OF THE RESTORATIONAREA. THE AS-BUILT PLAN WILL DOCUMENT SUBSTANTIAL CONFORMANCE WITH THESE PLANS AND ALSO WILL DISCLOSE ANYSUBSTITUTIONS OR OTHER NON-CRITICAL DEPARTURES. THE AS-BUILT PLAN WILL ESTABLISH BASELINE PLANT INSTALLATIONQUANTITIES (BASED ON SAMPLE COUNTS OR INVOICES), AND PHOTO POINTS THAT WILL BE USED THROUGHOUT THEMONITORING PERIOD TO MEASURE THE PERFORMANCE STANDARDS OVER TIME. THE AS-BUILT DOCUMENTATION SHOULDINCLUDE A MARKUP OF THE ORIGINAL PLAN NOTING ANY DEPARTURES, PLUS THE LOCATION OF PHOTO POINTS.MONITORA FIVE-YEAR MONITORING PLAN IS PROPOSED TO ENSURE SUCCESS OF ALL REQUIRED PLANTING THAT WAS INSTALLED TORECTIFY OR MITIGATE ADVERSE IMPACTS. MAINTENANCE AND CORRECTIVE ACTIONS WILL BE CONDUCTED AS NECESSARYBASED ON MONITORING RESULTS OVER TIME.MONITORING METHODSTHIS MONITORING PROGRAM IS DESIGNED TO TRACK THE SUCCESS OF THE RESTORATION SITE OVER TIME BY MEASURING THEDEGREE TO WHICH THE PERFORMANCE STANDARDS LISTED ABOVE ARE BEING MET.MONITORING SHALL OCCUR TWICE ANNUALLY FOR FIVE YEARS. A SPRING MONITORING VISIT SHALL RECORD NECESSARYREPLANTING, WEEDING, INVASIVE CONTROL, AND OTHER MAINTENANCE NEEDS. THE CONSTRUCTED IN-STREAM HABITATFEATURES INCLUDING THE LOG STRUCTURES WILL ALSO BE INSPECTED IN THE SPRING ONCE EACH YEAR FOR FIVE YEARSFOLLOWING CONSTRUCTION TO IDENTIFY ANY MAINTENANCE OR REPAIRS THAT WOULD NEED TO BE DONE DURING THEUPCOMING LOW-FLOW SEASON. STREAM BANK AND LOG STRUCTURE FUNCTIONING WOULD BE ASSESSED. EXAMPLES OFSTREAM CHANNEL MAINTENANCE OR REPAIR MIGHT INCLUDE STABILIZING ANY ERODING STREAMBANKS OR SECURING ANYLOGS THAT MAY THREATEN TO BE WASHED DOWNSTREAM. THE RESTORATION SPECIALIST WILL NOTIFY THE OWNER AND/ORMAINTENANCE CREWS OF NECESSARY EARLY SEASON MAINTENANCE. THE SECOND VISIT SHALL OCCUR IN LATE SUMMER ORFALL AND CONTAIN THE BULK OF THE MONITORING WORK. THE ANNUAL MONITORING REPORT WILL RELATE THE FOLLOWINGINFORMATION:1.GENERAL SUMMARY OF THE SPRING VISIT.2.FIRST- AND SECOND-YEAR COUNTS OF SURVIVING AND DEAD/DYING WOODY PLANTS.3.ESTIMATES OF NATIVE WOODY SPECIES COVER IN RESTORATION AREAS USING THE COVER CLASS METHOD.4.ESTIMATES OF INVASIVE SPECIES COVER IN RESTORATION AREAS USING THE COVER CLASS METHOD.5.COUNTS OF ESTABLISHED NATIVE SPECIES TO DETERMINE SITE DIVERSITY.6.NOTES AND/OR SKETCHES OF INVASIVE WEEDS OR BARE AREAS.7.PHOTOGRAPHIC DOCUMENTATION FROM ESTABLISHED REFERENCE POINTS.8.INTRUSIONS INTO THE PLANTING AREAS, VANDALISM, TRASH, AND OTHER ACTIONS DETRIMENTAL TO THE OVERALL HEALTHOF THE RESTORATION AREA.9.RECOMMENDATIONS FOR MAINTENANCE IN THE RESTORATION AREA.MAINTENANCETHIS SITE WILL BE MAINTAINED FOR FIVE YEARS FOLLOWING COMPLETION OF THE CONSTRUCTION.1.REPLACE EACH PLANT FOUND DEAD IN THE SUMMER MONITORING VISITS DURING FROST-FREE PERIODS ONLY IN THEUPCOMING FALL DORMANT SEASON (OCTOBER 15 TO MARCH 1) FOR THE FIRST TWO MONITORING YEARS. REPLACE PLANTSAS DIRECTED IN SUBSEQUENT MONITORING REPORTS.2.FOLLOW THE RECOMMENDATIONS NOTED IN THE SPRING MONITORING SITE VISIT.3.GENERAL WEEDING FOR ALL PLANTED AREAS:A.AT LEAST TWICE YEARLY, REMOVE ALL COMPETING GRASS AND WEEDS, INCLUDING ROOTS, FROM BENEATH EACHINSTALLED PLANT AND ANY DESIRABLE VOLUNTEER VEGETATION TO A DISTANCE OF 18 INCHES FROM THE MAIN PLANTSTEM. WEEDING SHOULD OCCUR AT LEAST TWICE DURING THE SPRING AND SUMMER. FREQUENT WEEDING WILL RESULTIN LOWER MORTALITY AND LOWER PLANT REPLACEMENT COSTS.B.MORE FREQUENT WEEDING MAY BE NECESSARY DEPENDING ON WEED CONDITIONS THAT DEVELOP AFTER PLANINSTALLATION.C.DO NOT WEED THE AREA NEAR THE PLANT BASES WITH STRING TRIMMER (WEED WHACKER/WEED EATER). NATIVE PLANTSARE EASILY DAMAGED OR KILLED, AND WEEDS EASILY RECOVER AFTER TRIMMING.4.APPLY SLOW RELEASE GRANULAR, AQUATIC SAFE FERTILIZER TO EACH INSTALLED PLANT ANNUALLY IN THE SPRING (BY JUNE1) OF YEARS 2 THROUGH 5.5.MULCH THE WEEDED AREAS BENEATH EACH PLANT WITH WOOD CHIPS AS NECESSARY TO MAINTAIN A 4-INCH-THICK MULCHLAYER AND KEEP DOWN WEEDS.CONTINGENCY PLANS AND ADAPTIVE MANAGEMENTTHESE PLANS HAVE BEEN PREPARED TO ENSURE SUCCESS TO THE MAXIMUM PRACTICABLE EXTENT. QUALITY ANDCONSISTENCY OF INSTALLATION, MAINTENANCE, WEATHER PATTERN EXTREMES, WILDLIFE DAMAGE, VANDALISM AND OTHERFACTORS CAN SINGLY OR IN COMBINATION CHANGE CONDITIONS AT MITIGATION SITES AND AFFECT EVENTUAL SUCCESS OFTHESE PLANS. THEREFORE, ADAPTIVE MANAGEMENT SHOULD BE EMPLOYED TO EVALUATE PROBLEMS AS THEY ARISE ANDDEVELOP FLEXIBLE AND PRACTICAL SOLUTIONS. EXAMPLES CAN INCLUDE BUT ARE NOT LIMITED TO PLANT SUBSTITUTION,CHANGES IN TARGET VEGETATION CLASSES, SOIL AMENDMENT, AND RE-GRADING. AS A LAST RESORT, MODIFICATION OFPERFORMANCE STANDARDS CAN BE NECESSARY. ANY ACTIONS INVOLVING MAJOR DEPARTURES FROM THE ORIGINAL PLAN ORGOALS AND PERFORMANCE STANDARDS SHOULD BE DISCUSSED AND AGREED TO WITH REGULATORY AGENCIES AHEAD OFIMPLEMENTATION.Know what'sbelow.before you dig.CallR