Loading...
HomeMy WebLinkAboutNSD_JeffCo_Dosewallips_Powerlines_Preliminary BOD_Appendices_111424 Appendix A Hydraulic Model Existing and Proposed Conditions Appendix B Preliminary Design Plan Set 0 1 IF THIS BAR DOES NOT MEASURE 1" THEN DRAWING IS NOT PLOTTED TO ORIGINAL SCALE. \\ N S D - S E A - S E R V E R \ N S D _ D A T A \ P R O J E C T S \ J E F F E R S O N C O U N T Y \ R O C K Y B R O O K A S S M T _ P O W E R L I N E S P R E L I M \ D E S I G N \ C A D - P O W E R L I N E S \ CO V E R . D W G La u r a 11 / 1 4 / 2 0 2 4 2 : 3 6 : 1 2 P M CO U N T Y DE S I G N CH E C K DR A W N CH E C K DA T E LA T I T U D E LO N G I T U D E TN / S C / R G SHEET OF Natural Systems Design + Coastal Geologic Services CGS EB TA DS EB NO V E M B E R 2 0 2 4 PO W E R L I N E S R E A C H R E S T O R A T I O N P R O J E C T CO V E R S H E E T 1 18 PR E L I M I N A R Y D E S I G N JE F F E R S O N 47 ° 4 1 ' 5 5 " N 12 2 ° 5 4 ' 4 5 " W T2 6 N /S3 4 /R2 W JE F F E R S O N C O U N T Y 1 0 1 2 VICINITY MAP SCALE: 1" = 1 MILE PROJECT LOCATION STATE OF WASHINGTON SCALE: 1" = 50 MILES POWERLINES REACH RESTORATION PROJECT DOSEWALLIPS RIVER JEFFERSON COUNTY NATURAL SYSTEMS DESIGN, INC CONTACT INFORMATION 1900 N NORTHLAKE WAY, SUITE 211 SEATTLE, WA 98103 (206) 834-0175 615 SHERIDAN STREET PORT TOWNSEND, WA 98368 (360) 385-9400 JEFFERSON COUNTY PUBLIC HEALTH DEPARTMENT ENGINEER: CONTRACTING AGENCY: JEFFERSON NO T F O R C O N S T R U C T I O N 60 % D E S I G N BRINNON SEAL ROCKDOSEWALIPS RIVER R O C K Y B R O O K R I V E R 101 101 DOSEWALIPS RD. HOOD CANAL OLYMPIC NATIONAL FOREST SHEET LIST SHEET NUMBER SHEET TITLE 1 COVER SHEET 2 GENERAL NOTES 3 LEGEND 4 EXISTING CONDITIONS SITE PLAN 5 PROPOSED CONDITIONS SITE PLAN 6 ACCESS AND STAGING PLAN 7 TESC AND WATER MANAGEMENT PLAN 8 TESC DETAILS 1 9 TESC DETAILS 2 10 LARGE APEX ELJ 11 SMALL APEX ELJ 12 LOW PROFILE ELJ 13 FLOODPLAIN ROUGHNESS ELJ DETAIL 14 ELJ DETAILS 15 ELJ DETAILS 2 16 SITE STABILIZATION 17 SITE RESTORATION PLAN 18 RESTORATION PLANT SCHEDULES 0 1 IF THIS BAR DOES NOT MEASURE 1" THEN DRAWING IS NOT PLOTTED TO ORIGINAL SCALE. \\ N S D - S E A - S E R V E R \ N S D _ D A T A \ P R O J E C T S \ J E F F E R S O N C O U N T Y \ R O C K Y B R O O K A S S M T _ P O W E R L I N E S P R E L I M \ D E S I G N \ C A D - P O W E R L I N E S \ NO T E S . D W G La u r a 11 / 1 4 / 2 0 2 4 2 : 3 6 : 2 2 P M CO U N T Y DE S I G N CH E C K DR A W N CH E C K DA T E LA T I T U D E LO N G I T U D E TN / S C / R G SHEET OF Natural Systems Design + Coastal Geologic Services CGS EB TA DS EB NO V E M B E R 2 0 2 4 PO W E R L I N E S R E A C H R E S T O R A T I O N P R O J E C T GE N E R A L N O T E S 2 18 PR E L I M I N A R Y D E S I G N JE F F E R S O N 47 ° 4 1 ' 5 5 " N 12 2 ° 5 4 ' 4 5 " W T2 6 N /S3 4 /R2 W JE F F E R S O N C O U N T Y NO T F O R C O N S T R U C T I O N 60 % D E S I G N GENERAL NOTES 1.THESE PLANS HAVE BEEN PREPARED FOR THE EXCLUSIVE USE OF JEFFERSON COUNTY DEPARTMENT OF PUBLIC HEALTH, HEREAFTER REFERRED TO AS "OWNER", AND THEIR AUTHORIZED AGENTS. 2.NATURAL SYSTEMS DESIGN, HEREAFTER REFERRED TO AS “ENGINEER” IS RESPONSIBLE FOR THE PREPARATION OF THESE ORIGINAL PLANS AND ASSOCIATED SPECIFICATIONS; AND WILL NOT BE RESPONSIBLE FOR, OR LIABLE FOR, UNAUTHORIZED CHANGE, OR USE, OF THESE PLANS WHICH INCLUDES ALTERATION, DELETION, OR EDITING OF THIS DOCUMENT WITHOUT EXPLICIT WRITTEN PERMISSION FROM THE ENGINEER. ANY OTHER UNAUTHORIZED USE OF THIS DOCUMENT IS PROHIBITED. 3.THE LOCATION OF ALL FEATURES SHOWN IS APPROXIMATE. FINAL LOCATIONS SHALL BE FLAGGED IN THE FIELD BY THE ENGINEER PRIOR TO CONSTRUCTION. PERMIT NOTES 1.THE CONTRACTOR SHALL CONDUCT THE ACTIVITIES SHOWN IN THESE PLANS IN A MANNER THAT MINIMIZES THE ADVERSE IMPACT ON WATER QUALITY, FISH AND WILDLIFE, AND THE NATURAL ENVIRONMENT. 2.ALL WORK SHALL BE IN COMPLIANCE WITH PERMIT CONDITIONS. IT IS THE CONTRACTOR'S RESPONSIBILITY TO HAVE COPIES OF ALL PERMITS ON THE JOB SITE, UNDERSTAND AND COMPLY WITH ALL PERMIT CONDITIONS. 3.IF AT ANY TIME FISH ARE OBSERVED IN DISTRESS, A FISH KILL OCCURS, OR WATER QUALITY PROBLEMS DEVELOP (INCLUDING EQUIPMENT LEAKS OR SPILLS), OPERATIONS SHALL CEASE AND THE OWNER SHALL BE NOTIFIED IMMEDIATELY. 4.AVOID AND MINIMIZE ADVERSE IMPACTS TO WATERS OF THE UNITED STATES, INCLUDING MINIMIZING THE NUMBER, DURATION, AND EXTENT OF WORK BELOW ORDINARY HIGH WATER AND EQUIPMENT CROSSINGS OF WETTED CHANNELS. 5.IF, DURING CONSTRUCTION, ARCHAEOLOGICAL REMAINS ARE ENCOUNTERED, CONSTRUCTION IN THE VICINITY SHALL BE HALTED, AND THE STATE OFFICE OF HISTORIC PRESERVATION AND THE OWNER SHALL BE NOTIFIED IMMEDIATELY. SURVEY NOTES 1.LIDAR FOR THIS PROJECT WAS COLLECTED IN 2023 AND IS REPRESENTATIVE OF 2023 CONDITIONS. THE VERTICAL DATUM IS NAVD88 (FT). THE HORIZONTAL DATUM IS NAD83 WASHINGTON STATE PLANE NORTH AND THE UNIT IS US SURVEY FEET. 2.GATES, FENCE LINES, AND UTILITIES WERE NOT SURVEYED. CONTRACTOR TO VERIFY IN FIELD. 3.PARCEL BOUNDARIES ARE FROM JEFFERSON COUNTY AND ARE NOT SURVEYED. 4.AERIAL IMAGERY WAS COLLECTED IN 2023 (NAIP). 5.LOW FLOW INUNDATION EXTENTS SHOWN ON THE PLANS REPRESENT MODELED CONDITIONS OF A MEDIAN SEPTEMBER EXCEEDENCE FLOW OF 193 CFS. CONSTRUCTION NOTES 1.THE CONTRACTOR SHALL ASSUME SOLE AND COMPLETE RESPONSIBILITY FOR JOB SITE CONDITIONS DURING THE COURSE OF CONSTRUCTION OF THIS PROJECT, INCLUDING SAFETY OF ALL PERSONS AND PROPERTY. 2.CONSTRUCTION HOURS SHALL BE WEEKDAYS BETWEEN 7:00 A.M. AND 6:30 P.M. UNLESS PRIOR APPROVAL IS RECEIVED FROM THE OWNER. 3.ANY DISCREPANCIES ARE TO BE BROUGHT TO THE ATTENTION OF THE OWNER PRIOR TO PROCEEDING WITH THE WORK. 4.THE CONTRACTOR SHALL PROTECT ALL EXISTING STRUCTURES, VEGETATION, AND IMPROVEMENTS NOT INDICATED FOR REMOVAL. 5.THE CONTRACTOR SHALL KEEP THE JOB SITE CLEAN AND HAZARD FREE. 6.THE CONTRACTOR SHALL DISPOSE OF ALL DIRT, DEBRIS, AND RUBBISH GENERATED BY THE WORK. UPON COMPLETION OF WORK, CONTRACTOR SHALL REMOVE ALL MATERIAL AND EQUIPMENT NOT SPECIFIED AS REMAINING ON THE PROPERTY. 7.NO TREES OR VEGETATION SHALL BE REMOVED UNLESS NOTED ON THE PLANS OR SPECIFIED ON-SITE BY THE OWNER OR THE ENGINEER. NO GRADING SHALL TAKE PLACE WITHIN THE DRIP LINE OF TREES NOT TO BE REMOVED UNLESS OTHERWISE APPROVED. 8.THE CONTRACTOR SHALL MAINTAIN A SET OF PLANS ON THE JOB SHOWING "AS-CONSTRUCTED" CHANGES MADE TO DATE. UPON COMPLETION OF THE PROJECT, THE CONTRACTOR SHALL SUPPLY TO OWNER A SET OF PLANS, MARKED UP TO THE SATISFACTION OF THE OWNER, REFLECTING THE AS-CONSTRUCTED MODIFICATIONS. ELJ NOTES 1.ALL LOGS SHALL BE DOUGLAS FIR. 2.ALL POSTS SHALL BE ROUND, UNTREATED TIMBER POSTS AND SHALL BE DOUGLAS FIR. POSTS SHALL BE FREE FROM DEFECTS, CRACKS, AND SPLITTING AT THE TIME OF INSTALLATION. 3.LOGS SHALL HAVE SPECIFIED DIAMETERS AS MEASURED AT DBH WITH BARK, DEFINED AS 4.5 FEET ABOVE GROUND WHEN TREE WAS STANDING. 4.EXISTING WOODY MATERIAL AT THE STRUCTURE LOCATION SHALL BE MOVED OR PROTECTED FROM CONSTRUCTION ACTIVITIES AND THEN INCORPORATED INTO THE STRUCTURE AS DIRECTED BY THE CONTRACTING OFFICER. 5.POST EMBEDMENT DEPTH FOR EACH ELJ SHALL BE MEASURED RELATIVE TO THE CHANNEL THALWEG. EXCAVATION DEPTHS AND QUANTITIES IN THE STRUCTURE SCHEDULE ARE BASED ON TOPOGRAPHIC DATA COLLECTED IN 2023, AND EXISTING GRADE ELEVATIONS AND ASSOCIATED EXCAVATION DEPTHS MAY BE OFF BY SEVERAL FEET. ACTUAL EXCAVATION DEPTHS SHALL BE PROVIDED BY THE ENGINEER WHEN THE STRUCTURE LOCATION IS STAKED PRIOR TO CONSTRUCTION. 6.KEY LOGS, FRAMING LOGS, AND POSTS SHALL HAVE AN ALUMINUM TAG AFFIXED PER RCW 77.85.050(5E). ALUMINUM TAGS SHALL BE A MINIMUM OF 1 ¼ INCHES IN DIAMETER. AT CONSTRUCTION COMPLETION, A RECORD OF THE TAG NUMBERS BROKEN DOWN BY STRUCTURE ID SHALL BE PROVIDED TO THE OWNER. QUANTITIES ITEM NO.ITEM QUANT ITY UNIT CO-1 MOBILIZATION 1 LS CO-2 EROSION CONTROL AND WATER POLLUTION PREVENTION 1 LS CO-3 SITE ISOLATION AND WATER MANAGEMENT 1 LS CO-4 FISH EXCLUSION 1 LS CO-5 FISH BLOCK NET MAINTENANCE 1 FA CO-6 ACCESS & STAGING 1 LS CO-7 HIGH VISIBILITY FENCE 1,077 LF CO-8 TEMPORARY BRIDGE - MAINSTEM 2 EA CO-9 TEMPORARY BRIDGE - SIDE CHANNEL 4 EA CO-10 LARGE APEX ELJ 8 EA CO-11 SMALL APEX ELJ 13 EA CO-12 FLOODPLAIN ROUGHNESS ELJ 9 EA CO-13 LOW PROFILE ELJ 11 EA CO-14 TEMPORARY SEEDING AND MULCHING 2.8 AC CO-15 CHANNEL BANK PLANTING 0.6 AC CO-16 FLOODPLAIN PLANTING 1.0 AC CO-17 UPPER BANK PLANTING 1.1 AC CO-18 CONIFER UNDERPLANTING TYPE 1 5.5 AC CO-19 CONIFER UNDERPLANTING TYPE 2 4.1 AC CO-20 CONIFER UNDERPLANTING TYPE 3 5.9 AC 0 1 IF THIS BAR DOES NOT MEASURE 1" THEN DRAWING IS NOT PLOTTED TO ORIGINAL SCALE. \\ N S D - S E A - S E R V E R \ N S D _ D A T A \ P R O J E C T S \ J E F F E R S O N C O U N T Y \ R O C K Y B R O O K A S S M T _ P O W E R L I N E S P R E L I M \ D E S I G N \ C A D - P O W E R L I N E S \ LE G E N D . D W G La u r a 11 / 1 4 / 2 0 2 4 2 : 3 6 : 3 3 P M CO U N T Y DE S I G N CH E C K DR A W N CH E C K DA T E LA T I T U D E LO N G I T U D E TN / S C / R G SHEET OF Natural Systems Design + Coastal Geologic Services CGS EB TA DS EB NO V E M B E R 2 0 2 4 PO W E R L I N E S R E A C H R E S T O R A T I O N P R O J E C T LE G E N D 3 18 PR E L I M I N A R Y D E S I G N JE F F E R S O N 47 ° 4 1 ' 5 5 " N 12 2 ° 5 4 ' 4 5 " W T2 6 N /S3 4 /R2 W JE F F E R S O N C O U N T Y NO T F O R C O N S T R U C T I O N 60 % D E S I G N GENERAL LEGEND SITE PREPARATION AND DEWATERING PUMP HIGH VISIBILITY FENCING COFFER DAM BYPASS FISH SCREEN / BLOCKNET TEMPORARY ACCESS ROUTE STAGING AREA NATURAL RESOURCES EXISTING WETLAND LOW FLOW CHANNEL (MEDIAN SEPTEMBER FLOW - 193 CFS) VEGETATION & SITE RESTORATION EXISTING OHW SITE FEATURES EXISTING GRAVEL ROAD EDGE EXISTING PAVED ROAD EDGE PROJECT LIMIT EXISTING BUILDING HABITAT STRUCTURES TOPOGRAPHY & GRADING EXISTING MINOR CONTOUR EXISTING MAJOR CONTOUR SLOPED EMBANKMENT 2 10 EXISTING CULVERT TEMPORARY BRIDGE PUMP OUTLET CONIFER UNDERPLANTING AREA CHANNEL BANK PLANTING AREA LARGE APEX ELJ SMALL APEX ELJ FLOODPLAIN ROUGHNESS ELJ LOW PROFILE ELJ TEMPORARY BAR ACCESS ROUTE FLOODPLAIN PLANTING AREA ACCESS ROUTE ON EXISTING ROAD UTILITIES EXISTING OVERHEAD ELECTRIC LINE EDGE OF VEGETATION UPPER BANK PLANTING AREA APPROXIMATE PROPERTY BOUNDARY CULTURAL RESOURCE SEEDING AREA 150'75'0 150'300' NO T F O R C O N S T R U C T I O N 60 % D E S I G N 0 1 IF THIS BAR DOES NOT MEASURE 1" THEN DRAWING IS NOT PLOTTED TO ORIGINAL SCALE. \\ N S D - S E A - S E R V E R \ N S D _ D A T A \ P R O J E C T S \ J E F F E R S O N C O U N T Y \ R O C K Y B R O O K A S S M T _ P O W E R L I N E S P R E L I M \ D E S I G N \ C A D - P O W E R L I N E S \ EX I S I T I N G C O N D I T I O N S . D W G La u r a 11 / 1 4 / 2 0 2 4 2 : 3 6 : 5 7 P M CO U N T Y DE S I G N CH E C K DR A W N CH E C K DA T E LA T I T U D E LO N G I T U D E TN / S C / R G SHEET OF Natural Systems Design + Coastal Geologic Services CGS EB TA DS EB NO V E M B E R 2 0 2 4 PO W E R L I N E S R E A C H R E S T O R A T I O N P R O J E C T EX I S T I N G C O N D I T I O N S S I T E P L A N 4 18 PR E L I M I N A R Y D E S I G N JE F F E R S O N 47 ° 4 1 ' 5 5 " N 12 2 ° 5 4 ' 4 5 " W T2 6 N /S3 4 /R2 W JE F F E R S O N C O U N T Y SCHOBER COONE COONE DORR COONE COONE JEFFERSON COUNTY JEFFERSON COUNTY JEFFERSON COUNTY JEFFERSON COUNTY JEFFERSON COUNTY JEFFERSON COUNTY JE F F E R S O N CO U N T Y WA S H I N G T O N ST A T E WASHINGTON STATE MURPHY WASHINGTON STATE JEFFERSON COUNTY JEFFERSON COUNTY JEF F E R S O N C O U N T Y CROWELL REMBER BECK JEFFERSON COUNTY D O S E W A L L I P S R O A D DOS E W A L L I P S R I V E R FLO W EXISTING OHWM (TYP) EXISTING GRAVEL DRIVEWAY EXISTING WETLAND (TYP) EXISTING LOW FLOW CHANNEL(TYP) EXISTING CULVERT (PIP) EXISTING CONDITIONS SITE PLAN SCALE: 1" = 150' EXISTING OVERHEAD POWER CULTURAL RESOURCE (PIP) 1.SEE SHEET 7 FOR WATER MANAGEMENT. 2.SEE SHEET 6 FOR ACCESS AND STAGING. D O S E W A L L I P S R I V E R PROPOSED CONDITIONS SITE PLAN SCALE: 1" = 100'NOTES FL O W 0 1 IF THIS BAR DOES NOT MEASURE 1" THEN DRAWING IS NOT PLOTTED TO ORIGINAL SCALE. \\ N S D - S E A - S E R V E R \ N S D _ D A T A \ P R O J E C T S \ J E F F E R S O N C O U N T Y \ R O C K Y B R O O K A S S M T _ P O W E R L I N E S P R E L I M \ D E S I G N \ C A D - P O W E R L I N E S \ PR O P O S E D C O N D I T I O N S . D W G La u r a 11 / 1 4 / 2 0 2 4 2 : 3 7 : 3 4 P M CO U N T Y DE S I G N CH E C K DR A W N CH E C K DA T E LA T I T U D E LO N G I T U D E TN / S C / R G SHEET OF Natural Systems Design + Coastal Geologic Services CGS EB TA DS EB NO V E M B E R 2 0 2 4 PO W E R L I N E S R E A C H R E S T O R A T I O N P R O J E C T PR O P O S E D C O N D I T I O N S S I T E P L A N 5 18 PR E L I M I N A R Y D E S I G N JE F F E R S O N 47 ° 4 1 ' 5 5 " N 12 2 ° 5 4 ' 4 5 " W T2 6 N /S3 4 /R2 W JE F F E R S O N C O U N T Y NO T F O R C O N S T R U C T I O N 60 % D E S I G N LARGE APEX ELJ (TYP)1 10 SMALL APEX ELJ (TYP)111 LOW PROFILE ELJ (TYP)112 113 FLOODPLAIN ROUGHNESS ELJ (TYP) A1-1 A1-2 A1-3 A1-4 A1-5 A1-6 A1-7 A1-8 A2-1 A2-2 A2-3 A2-4 A2-5 A2-6 A2-7 A2-8 A2-9 A2-10 A2-11 A2-12 A2-13 LP-1 LP-2 LP-3 LP-4 LP-5 LP-6 LP-7 LP-8 LP-9 LP-10 LP-11 FP-1 FP-2 FP-3 FP-4 FP-5 FP-6 FP-8 FP-9 FP-7 D O S E W A L L I P S R I V E R FL O W 100'50'0 100'200' 150'75'0 150'300' 1.TEMPORARY ACCESS ROADS SHOWN ON THIS SHEET ARE APPROXIMATE. THE CONTRACTOR MAY PROPOSE ALTERNATIVE ACCESS ROAD LOCATIONS. THE CONTRACTOR SHALL FLAG PROPOSED LOCATIONS FOR TEMPORARY ACCESS ROAD FOR APPROVAL BY THE ENGINEER PRIOR TO BEGINNING OF CONSTRUCTION. ROUTE ACCESS TO AVOID EXISTING VEGETATION TO THE MAXIMUM EXTENT PRACTICABLE. 2.TEMPORARY BRIDGE INSTALLATION AND REMOVAL SHALL OCCUR DURING THE APPROVED IN-WATER WORK WINDOW FOR THIS PROJECT. 3.DUST CONTROL SHALL BE IMPLEMENTED FOR THE ENTIRE DURATION OF THE PROJECT. ACCESS ROADS SHALL BE WATERED AS NEEDED TO PREVENT DUST GENERATION. 4.STAGING AREAS SHOWN ARE APPROXIMATE. THE CONTRACTOR MAY PROPOSE ALTERNATIVE STAGING LOCATIONS. THE CONTRACTOR SHALL FLAG PROPOSED STAGING AREAS FOR APPROVAL BY THE ENGINEER PRIOR TO BEGINNING CONSTRUCTION. 5.EXISTING GRAVEL ROADS USED FOR ACCESS SHALL BE IMPROVED AS NEEDED WITH MINOR GRADING AND IMPORT OF MAINTENANCE ROCK. 6.ACCESS ROADS SHALL BE RESTORED PER THE SPECIAL PROVISIONS FOLLOWING COMPETITION OF CONSTRUCTION. 7.STAGING AREA MAY REQUIRE MINOR GRADING. D O S E W A L L I P S R I V E R ACCESS AND STAGING PLAN SCALE: 1" = 150' NOTES FL O W 0 1 IF THIS BAR DOES NOT MEASURE 1" THEN DRAWING IS NOT PLOTTED TO ORIGINAL SCALE. \\ N S D - S E A - S E R V E R \ N S D _ D A T A \ P R O J E C T S \ J E F F E R S O N C O U N T Y \ R O C K Y B R O O K A S S M T _ P O W E R L I N E S P R E L I M \ D E S I G N \ C A D - P O W E R L I N E S \ SI T E A C C E S S . D W G La u r a 11 / 1 4 / 2 0 2 4 2 : 3 8 : 0 9 P M CO U N T Y DE S I G N CH E C K DR A W N CH E C K DA T E LA T I T U D E LO N G I T U D E TN / S C / R G SHEET OF Natural Systems Design + Coastal Geologic Services CGS EB TA DS EB NO V E M B E R 2 0 2 4 PO W E R L I N E S R E A C H R E S T O R A T I O N P R O J E C T AC C E S S A N D S T A G I N G P L A N 6 18 PR E L I M I N A R Y D E S I G N JE F F E R S O N 47 ° 4 1 ' 5 5 " N 12 2 ° 5 4 ' 4 5 " W T2 6 N /S3 4 /R2 W JE F F E R S O N C O U N T Y NO T F O R C O N S T R U C T I O N 60 % D E S I G N STAGING AREA PROTECT EXISTING CULVERT WITH CRANE MATS OR ADDITIONAL FILL. D O S E W A L L I P S R O A D ACCESS VIA EXISTING GRAVEL DRIVEWAY TEMPORARY ACCESS ROUTE (TYP) TEMPORARY BAR ACCESS (TYP) 1 8 4 8 TEMPORARY BRIDGE (TYP) 2 8 CONSTRUCT TEMPORARY STABILIZED CONSTRUCTION ENTRANCE 3 8 PROTECT CULTURAL RESOURCE 1.ALL GRADING AND CHANNEL WORK BELOW THE ORDINARY HIGH WATER LINE SHALL BE ISOLATED FROM ACTIVELY FLOWING SURFACE WATERS. 2.THE TESC AND DEWATERING APPROACH SHOWN ON THIS SHEET MAY OR MAY NOT BE ACCEPTABLE FOR DIVERTING WATER AROUND AND FROM WITHIN THE WORK AREA DEPENDING ON SITE CONDITIONS AT THE TIME OF CONSTRUCTION. THE CONTRACTOR IS RESPONSIBLE FOR DEVELOPING A PROPOSED APPROACH THAT MEETS ALL PROJECT REQUIREMENTS AND SHALL SUBMIT DEWATERING AND WORK AREA ISOLATION PLANS FOR REVIEW AND APPROVAL BY THE ENGINEER. 3.NO WORK SHALL BE PERFORMED WITHIN THE ISOLATED WORK AREA UNTIL DEFISHING HAS BEEN COMPLETED; SEE THE SPECIAL PROVISIONS. 4.DISCHARGE FROM DEWATERING PUMP(S) SHALL BE PUMPED TO UPLAND AREAS AND ALLOWED TO INFILTRATE THE GROUND. DISCHARGE TO SURFACE WATERS OR WETLANDS IS NOT ALLOWED. DISCHARGE FROM PUMPING OPERATIONS SHALL NOT CAUSE ANY SURFACE EROSION. THE LOCATIONS OF OUTLETS SHOWN ON THIS SHEET MAY NOT BE SUITABLE LOCATIONS DEPENDING ON SITE CONDITIONS AT THE TIME OF CONSTRUCTION. THE CONTRACTOR IS RESPONSIBLE FOR BECOMING FAMILIAR WITH THE SITE AND IDENTIFYING SUITABLE DISCHARGE LOCATIONS. 5.NO CLEARING FOR DEWATERING PIPE PLACEMENT. LIMITED MACHINE ACCESS OUTSIDE OF PROJECT LIMITS SHALL BE ALLOWED TO PLACE DEWATERING PIPES AND ENERGY DISSIPATORS WITH APPROVAL OF THE ENGINEER. 6.THE CONTRACTOR IS RESPONSIBLE FOR ENSURING THAT SITE ISOLATION COMPLIES WITH ALL WATER QUALITY AND FISH PROTECTION REQUIREMENTS AND MAY EMPLOY THE SITE ISOLATION METHOD OF THEIR CHOICE TO DO SO. 7.THE SUGGESTED SITE ISOLATION METHODS LISTED ON THIS SHEET ARE BASED ON SUMMER 2023 RIVER CONDITIONS AND MAY CHANGE BASED ON SITE CONDITIONS AND FLOW AT THE TIME OF CONSTRUCTION. 8.COFFERDAMS SHALL BE THE MINIMUM SIZE REQUIRED FOR STRUCTURE INSTALLATION. STAGGER ELJ INSTALLATION TO AVOID BLOCKING THE LOW FLOW CHANNEL. NOTES NO T F O R C O N S T R U C T I O N 60 % D E S I G N TESC AND WATER MANAGEMENT PLAN SCALE: 1:100 0 1 IF THIS BAR DOES NOT MEASURE 1" THEN DRAWING IS NOT PLOTTED TO ORIGINAL SCALE. \\ N S D - S E A - S E R V E R \ N S D _ D A T A \ P R O J E C T S \ J E F F E R S O N C O U N T Y \ R O C K Y B R O O K A S S M T _ P O W E R L I N E S P R E L I M \ D E S I G N \ C A D - P O W E R L I N E S \ TE S C P L A N . D W G La u r a 11 / 1 4 / 2 0 2 4 2 : 3 8 : 4 4 P M CO U N T Y DE S I G N CH E C K DR A W N CH E C K DA T E LA T I T U D E LO N G I T U D E TN / S C / R G SHEET OF Natural Systems Design + Coastal Geologic Services CGS EB TA DS EB NO V E M B E R 2 0 2 4 PO W E R L I N E S R E A C H R E S T O R A T I O N P R O J E C T TE S C A N D W A T E R M A N A G E M E N T P L A N 7 18 PR E L I M I N A R Y D E S I G N JE F F E R S O N 47 ° 4 1 ' 5 5 " N 12 2 ° 5 4 ' 4 5 " W T2 6 N /S3 4 /R2 W JE F F E R S O N C O U N T Y DEWATERING PIPE (TYP) A1-1 A1-2 A1-3 A1-5 A1-4 A1-6 A1-7 A1-8 A2-1 A2-2 A2-4 A2-5 A2-3 A2-6 A2-7 A2-8 A2-9 A2-10 A2-11 A2-13 A2-12 LP-1 LP-2 LP-3 LP-4 LP-5 LP-6 LP-7 LP-8 LP-9 FP-1 FP-2 FP-3 FP-4 FP-5 FP-6 FP-7 FP-8 FP-9 1 9COFFERDAM (TYP) ENERGY DISSIPATOR (TYP)2 9 PHASE ELJ CONSTRUCTION SO AS NOT TO BLOCK THE LOW FLOW CHANNEL. HIGH VISIBILITY FENCE (TYP) D O S E W A L L I P S R I V E R FL O W BLOCK AND TEMPORARILY DEWATER SIDE CHANNEL 100'50'0 100'200' BLOCK NET, TYP BOTTOM OF STRUCTURE EARTHEN RAMP ECOLOGY BLOCKS OR WOOD TIMBER ABUTMENTS AS NEEDED WATER ELEV. 1.CONTRACTOR TO DESIGN TEMPORARY BRIDGE. 2.BRIDGE SHALL BE LOCATED SUCH THAT ONLY ONE SPAN IS USED TO ELIMINATE IMPACTS TO SUBSTRATE OF CHANNEL. 3.END OF BRIDGE SHALL BEAR ON HIGH BANKS WITH SUFFICIENT BEARING CAPACITY TO PREVENT SLOUGHING OR COLLAPSE. 4.CONCRETE ECOLOGY BLOCKS OR WOOD ABUTMENTS MAY BE USED TO SUPPORT ENDS OF TEMPORARY BRIDGE AS NEEDED. NOTES EXISTING RIVER BED ELEVATION 10 0 ' M I N . 15' MIN. 25' MIN. RADIUS 4-8" QUARRY SPALLS 12" DEPTH MIN. GEOTEXTILE EXIST I N G R O A D INSTALL DRAINAGE CULVERT IF EXISTING DITCH IS PRESENT MAX 18' 1.BAR ACCESS TO BE ROUTED TO MINIMIZE VEGETATION DISTURBANCE. RIPARIAN VEGETATION THAT MUST BE CLEARED FOR ACCESS SHALL NOT BE GRUBBED. 2.CONTRACTOR SHALL STAKE EDGES OF PROPOSED BAR ACCESS ROUTE FOR APPROVAL BY ENGINEER. 3.EQUIPMENT SHALL OPERATE ONLY WITHIN STAKED BAR ACCESS ROUTE ALIGNMENT OR OTHER DEFINED PROJECT AREAS. 4.BAR ACCESS ROUTES SHALL BE RESTORED PER THE SPECIAL PROVISIONS AT TERMINATION OF WORK. NOTES WOOD LATHE (TYP) BAR ACCESS ROUTE MAY REQUIRE MINOR GRADING 18' MAX 1.CLEARED ACCESS TO BE ROUTED TO MINIMIZE VEGETATION DISTURBANCE AND FOREST CLEARING. 2.CONTRACTOR SHALL MARK CLEARING LIMITS WITH FLAGGING. CLEARING LIMITS SHALL BE APPROVED BY ENGINEER PRIOR TO ANY CLEARING ACTIVITIES. EQUIPMENT SHALL OPERATE ONLY WITHIN THE TEMPORARY ACCESS ROUTE ALIGNMENT OR OTHER DEFINED PROJECT AREAS. 3.ANY TREES GREATER THAN 12" ∅ SHALL BE REMOVED W/ ROOTWADS INTACT AND STOCKPILED FOR USE IN LOGJAM CONSTRUCTION. 4.TREES AND SHRUBS WITH 2"-12" ∅ SHALL BE STOCKPILED FOR USE AS RACKING MATERIAL IN LOGJAM CONSTRUCTION. 5.REMAINDER OF VEGETATION AND SOIL SHALL BE CLEARED OR CRUSHED IN PLACE. ROOTS OF WILLOW, COTTONWOOD, AND ALDER SHALL BE LEFT IN SITU TO THE MAXIMUM EXTENT PRACTICABLE. 6.TEMPORARY ACCESS ROADS SHALL BE MAINTAINED BY MINOR GRADING. EXISTING UNPAVED ACCESS ROADS SHALL BE MAINTAINED BY IMPORT OF MAINTENANCE ROCK. 7.TEMPORARY ACCESS SHALL BE RESTORED PER THE SPECIAL PROVISIONS. 8.IF ACCESS ROUTE WIDTH EXCEEDS THE ALLOWED MAXIMUM WIDTH WITHOUT PRIOR APPROVAL OF THE ENGINEER, THE CONTRACTOR SHALL REPLANT THE OVERAGE WITH SIMILAR SPECIES TO THOSE DESTROYED AT THEIR OWN EXPENSE. WOOD LATHE OR FLAGGING (TYP) EXISTING VEGETATION ROUTE MAY REQUIRE MINOR GRADING TEMPORARY ACCESS ROUTE NOTES NO T F O R C O N S T R U C T I O N 60 % D E S I G N 0 1 IF THIS BAR DOES NOT MEASURE 1" THEN DRAWING IS NOT PLOTTED TO ORIGINAL SCALE. \\ N S D - S E A - S E R V E R \ N S D _ D A T A \ P R O J E C T S \ J E F F E R S O N C O U N T Y \ R O C K Y B R O O K A S S M T _ P O W E R L I N E S P R E L I M \ D E S I G N \ C A D - P O W E R L I N E S \ TE S C D E T A I L S . D W G La u r a 11 / 1 4 / 2 0 2 4 2 : 3 9 : 0 0 P M CO U N T Y DE S I G N CH E C K DR A W N CH E C K DA T E LA T I T U D E LO N G I T U D E TN / S C / R G SHEET OF Natural Systems Design + Coastal Geologic Services CGS EB TA DS EB NO V E M B E R 2 0 2 4 PO W E R L I N E S R E A C H R E S T O R A T I O N P R O J E C T TE S C D E T A I L S 1 8 18 PR E L I M I N A R Y D E S I G N JE F F E R S O N 47 ° 4 1 ' 5 5 " N 12 2 ° 5 4 ' 4 5 " W T2 6 N /S3 4 /R2 W JE F F E R S O N C O U N T Y TEMPORARY BRIDGE NTS 3 8 TEMPORARY ACCESS ROUTE NTS 1 8 STABILIZED CONSTRUCTION ENTRANCE NTS 2 8 TEMPORARY BAR ACCESS ROUTE NTS 4 8 BACKFILL WITH GRAVEL AND COBBLES "SUPER SACK" A A 1.WRAP "SUPER SACKS" WITH IMPERVIOUS PLASTIC LINER TO PREVENT SEEPAGE. 2.BACKFILL THE DOWNSTREAM SIDE COFFERDAM WITH NATIVE, ADJACENT ALLUVIUM. 3.USE "SUPER SACKS" AS BUTTRESSES AS REQUIRED. 4."SUPER SACKS" MAY BE REPLACED WITH SAND BAGS IF FLOWS ALLOW AND APPROVED BY THE ENGINEER. 5.REMOVE ALL PLASTIC FROM THE SITE AT THE TERMINATION OF WORK. 3' DIAMETER MAIN CHANNEL SECTION A-A MAIN FLOW BACKFILL WITH GRAVEL AND COBBLES WORK AREA WRAP SACKS WITH IMPERVIOUS LINER AND BACKFILL LINER NOTES FLOW PLASTIC SHEET LINING PUMP DISCHARGE STRAW BALES SAND BAGS SPILLWAY STRAW BALESLINE INSIDE OF STRAW BALE RING W/PLASTIC SHEETING TO FORM POOL PLASTIC SHEETING PUMP DISCHARGE ANCHOR PLASTIC WITH SANDBAGS AS REQUIRED NO T F O R C O N S T R U C T I O N 60 % D E S I G N 0 1 IF THIS BAR DOES NOT MEASURE 1" THEN DRAWING IS NOT PLOTTED TO ORIGINAL SCALE. \\ N S D - S E A - S E R V E R \ N S D _ D A T A \ P R O J E C T S \ J E F F E R S O N C O U N T Y \ R O C K Y B R O O K A S S M T _ P O W E R L I N E S P R E L I M \ D E S I G N \ C A D - P O W E R L I N E S \ TE S C D E T A I L S . D W G La u r a 11 / 1 4 / 2 0 2 4 2 : 3 9 : 0 5 P M CO U N T Y DE S I G N CH E C K DR A W N CH E C K DA T E LA T I T U D E LO N G I T U D E TN / S C / R G SHEET OF Natural Systems Design + Coastal Geologic Services CGS EB TA DS EB NO V E M B E R 2 0 2 4 PO W E R L I N E S R E A C H R E S T O R A T I O N P R O J E C T TE S C D E T A I L S 2 9 18 PR E L I M I N A R Y D E S I G N JE F F E R S O N 47 ° 4 1 ' 5 5 " N 12 2 ° 5 4 ' 4 5 " W T2 6 N /S3 4 /R2 W JE F F E R S O N C O U N T Y BULKBAG COFFERDAM NTS 1 9 ENERGY DISSIPATOR NTS 2 9 NOTES EXISTING CHANNEL THALWEG NO T F O R C O N S T R U C T I O N 60 % D E S I G N SCALE: AS SHOWN LARGE APEX ELJ 1 10 LARGE APEX ELJ PROFILE SCALE: 1" = 8' LARGE APEX ELJ PLAN SCALE: 1" = 8' NTS LARGE APEX ELJ PERSPECTIVE LOG ID DIA* (INCHES) LENGTH ** (FEET) ROOTWAD (Y/N) QUANTITY PER STRUCTURE NOTES RD-50 20 50 Y 7 RD-40 20 40 Y 6 D-50 20 50 N 9 RPF-20 16 20 Y 15 ROOTWAD POST TRK-3X30 36 30 N 1 1 RACKING BUNDLE TRK-3X40 36 40 N 2 2 RACKING BUNDLES RACKING 6-12 20-40 Y/N 275 TREES WITH BRANCHCES SLASH 1-3 N/A N 25 CY LIMBS AND BRANCHES RPF-2 POST (TYP) 4 14 SAW CUT POST TOP (TYP) RACKING BUNDLE (TYP)3 15 1 15 CHAIN LASHING (TYP) 100' 6' 3 14 08'4'8'16' 1.ALL STRUCTURE LOCATIONS AND POST BOTTOM ELEVATIONS SHALL BE STAKED BY THE ENGINEER PRIOR TO EXCAVATION, ASSEMBLY, AND INSTALLATION OF EACH STRUCTURE. 2.CONTRACTOR SHALL EXCAVATE TO THE POST BOTTOM ELEVATION AND MAINTAIN A DETWATERED WORK AREA. 3.THE WOOD LAYER PLACEMENT IN EACH LOGJAM LAYER SHALL BE FIELD VERIFIED BY ENGINEER OR CONTRACTING AGENCY REPRESENTATIVE PRIOR TO BACKFILLING. 4.THE FINISHED ELEVATION AND WIDTH OF ANY ELJ SHALL NOT EXCEED THE DIMENSIONS SHOWN IN THESE PLANS. 5.BACKFILL EXTENTS MAY VARY AND ARE TO BE CONSTRUCTED WITH NATIVE ALLUVIUM FROM EXCAVATION SPOILS. BACKFILL ELEVATION IS NOT TO EXCEED THE SPECIFIED GRADE. 6.FOR ROOTWAD POST SIZE DIMENSION SPECIFICATIONS, SEE 7.ENSURE THAT RACKING AND SLASH MATERIAL EXTEND THROUGH THE STRUCTURE AND ARE PINNED BY SUBSEQUENT LAYERS. 8.CONNECT LOGS WITH CHAIN LASHING WHERE INDICATED. LASHING CONNECTIONS SHALL BE MADE SO THAT LOGS WHICH ARE LASHED TOGETHER SHALL PHYSICALLY TOUCH EACH OTHER AT THE LOCATION OF THE LASHING. D- 5 0 D-50 D-50 D-50 D-50 RD - 5 0 R D - 4 0 RD - 5 0 RD - 5 0 RD- 4 0 RD-5 0 RD- 4 0 R D - 4 0 RD - 5 0 NOTE: RACKING WILL BE PLACED WITHIN POOL. BUT NOT SHOWN FOR CLARITY EXCAVATE SCOUR POOL, 6-FT DEEP CHANNEL BOTTOM 60' APPROX. EXCAVATION LIMITS (TO BE DETERMINED BY CONTRACTOR) PROPOSED GROUND POST DEPTH 10' BACKFILL WITH NATIVE MATERIAL. PLANT PER REVEGETATION DETAILS 0 1 IF THIS BAR DOES NOT MEASURE 1" THEN DRAWING IS NOT PLOTTED TO ORIGINAL SCALE. \\ N S D - S E A - S E R V E R \ N S D _ D A T A \ P R O J E C T S \ J E F F E R S O N C O U N T Y \ R O C K Y B R O O K A S S M T _ P O W E R L I N E S P R E L I M \ D E S I G N \ C A D - P O W E R L I N E S \ LA R G E _ A P E X _ D T L . D W G La u r a 11 / 1 4 / 2 0 2 4 2 : 3 9 : 2 0 P M CO U N T Y DE S I G N CH E C K DR A W N CH E C K DA T E LA T I T U D E LO N G I T U D E TN / S C / R G SHEET OF Natural Systems Design + Coastal Geologic Services CGS EB TA DS EB NO V E M B E R 2 0 2 4 PO W E R L I N E S R E A C H R E S T O R A T I O N P R O J E C T LA R G E A P E X E L J 10 18 PR E L I M I N A R Y D E S I G N JE F F E R S O N 47 ° 4 1 ' 5 5 " N 12 2 ° 5 4 ' 4 5 " W T2 6 N /S3 4 /R2 W JE F F E R S O N C O U N T Y LARGE APEX ELJ MATERIAL SCHEDULE *MINIMUM DIAMETER AT BREAST HEIGHT ** TOTAL LENGTH INCLUDING ROOTWAD NOTES 0 1 IF THIS BAR DOES NOT MEASURE 1" THEN DRAWING IS NOT PLOTTED TO ORIGINAL SCALE. \\ N S D - S E A - S E R V E R \ N S D _ D A T A \ P R O J E C T S \ J E F F E R S O N C O U N T Y \ R O C K Y B R O O K A S S M T _ P O W E R L I N E S P R E L I M \ D E S I G N \ C A D - P O W E R L I N E S \ SM A L L _ A P E X _ D T L . D W G La u r a 11 / 1 4 / 2 0 2 4 2 : 3 9 : 3 3 P M CO U N T Y DE S I G N CH E C K DR A W N CH E C K DA T E LA T I T U D E LO N G I T U D E TN / S C / R G SHEET OF Natural Systems Design + Coastal Geologic Services CGS EB TA DS EB NO V E M B E R 2 0 2 4 PO W E R L I N E S R E A C H R E S T O R A T I O N P R O J E C T SM A L L A P E X E L J 11 18 PR E L I M I N A R Y D E S I G N JE F F E R S O N 47 ° 4 1 ' 5 5 " N 12 2 ° 5 4 ' 4 5 " W T2 6 N /S3 4 /R2 W JE F F E R S O N C O U N T Y NO T F O R C O N S T R U C T I O N 60 % D E S I G N SMALL APEX ELJ SCALE: AS SHOWN 1 11 SMALL APEX ELJ PROFILE SCALE: 1" = 8' SMALL APEX ELJ PLAN SCALE: 1" = 8' NTS SMALL APEX ELJ PERSPECTIVE 4 14SAW CUT POST TOP (TYP) RACKING BUNDLE 3 15 RPF-2 POST (TYP)1 15CHAIN LASHING (TYP) 40' 6' 08'4'8'16' EXCAVATE SCOUR POOL, 6-FT DEEP CHANNEL BOTTOM 60' 1.ALL STRUCTURE LOCATIONS AND POST BOTTOM ELEVATIONS SHALL BE STAKED BY THE ENGINEER PRIOR TO EXCAVATION, ASSEMBLY, AND INSTALLATION OF EACH STRUCTURE. 2.WHEN STRUCTURES ABUT BANKS, EXCAVATE A PORTION OF THE BANK AS NEEDED TO INSTALL THE STRUCTURE. RE-GRADE THE BANK FOLLOWING COMPLETION AND PLACE EXCESS MATERIAL IN LEE OF ELJ AS DRAWN. 3.CONTRACTOR SHALL EXCAVATE TO THE POST BOTTOM ELEVATION AND MAINTAIN A DETWATERED WORK AREA. 4.THE WOOD LAYER PLACEMENT IN EACH LOGJAM LAYER SHALL BE FIELD VERIFIED BY ENGINEER OR CONTRACTING AGENCY REPRESENTATIVE PRIOR TO BACKFILLING. 5.THE FINISHED ELEVATION AND WIDTH OF ANY ELJ SHALL NOT EXCEED THE DIMENSIONS SHOWN IN THESE PLANS. 6.BACKFILL EXTENTS MAY VARY AND ARE TO BE CONSTRUCTED WITH NATIVE ALLUVIUM FROM EXCAVATION SPOILS. BACKFILL ELEVATION IS NOT TO EXCEED THE SPECIFIED GRADE. 7.FOR ROOTWAD POST SIZE DIMENSION SPECIFICATIONS, SEE 8.ENSURE THAT RACKING AND SLASH MATERIAL EXTEND THROUGH THE STRUCTURE AND ARE PINNED BY SUBSEQUENT LAYERS. 9.CONNECT LOGS WITH CHAIN LASHING WHERE INDICATED. LASHING CONNECTIONS SHALL BE MADE SO THAT LOGS WHICH ARE LASHED TOGETHER SHALL PHYSICALLY TOUCH EACH OTHER AT THE LOCATION OF THE LASHING. D-60 D-40 D-40 D- 4 0 D-4 0 D-60 RD - 5 0 D-4 0 D-4 0 RD - 5 0 RD - 5 0 D - 4 0 D - 4 0 3 14 LOG ID DIA* (INCHES) LENGTH** (FEET) ROOTWAD (Y/N) QUANTITY PER STRUCTURE NOTES RD-50 24 50 Y 5 RD-40 24 40 Y 4 D-60 24 60 N 2 D-40 24 40 N 4 RPF-20 22 20 Y 13 ROOTWAD POST TRK-3X40 36 40 N 2 2 RACKING BUNDLES RACKING 6-12 20-40 Y/N 175 TREES WITH BRANCHCES SLASH 1-3 N/A N 20 CY LIMBS AND BRANCHES SMALL APEX ELJ MATERIAL SCHEDULE *MINIMUM DIAMETER AT BREAST HEIGHT ** TOTAL LENGTH INCLUDING ROOTWAD PROPOSED GROUND POST DEPTH 10' EXISTING CHANNEL THALWEG NOTE: RACKING WILL BE PLACED WITHIN POOL. BUT NOT SHOWN FOR CLARITY APPROX. EXCAVATION LIMITS (TO BE DETERMINED BY CONTRACTOR) BACKFILL WITH NATIVE MATERIAL. PLANT PER REVEGETATION DETAILS NOTES 0 1 IF THIS BAR DOES NOT MEASURE 1" THEN DRAWING IS NOT PLOTTED TO ORIGINAL SCALE. \\ N S D - S E A - S E R V E R \ N S D _ D A T A \ P R O J E C T S \ J E F F E R S O N C O U N T Y \ R O C K Y B R O O K A S S M T _ P O W E R L I N E S P R E L I M \ D E S I G N \ C A D - P O W E R L I N E S \ LO W _ P R O F _ E L J . D W G La u r a 11 / 1 4 / 2 0 2 4 2 : 3 9 : 4 9 P M CO U N T Y DE S I G N CH E C K DR A W N CH E C K DA T E LA T I T U D E LO N G I T U D E TN / S C / R G SHEET OF Natural Systems Design + Coastal Geologic Services CGS EB TA DS EB NO V E M B E R 2 0 2 4 PO W E R L I N E S R E A C H R E S T O R A T I O N P R O J E C T LO W P R O F I L E E L J 12 18 PR E L I M I N A R Y D E S I G N JE F F E R S O N 47 ° 4 1 ' 5 5 " N 12 2 ° 5 4 ' 4 5 " W T2 6 N /S3 4 /R2 W JE F F E R S O N C O U N T Y NO T F O R C O N S T R U C T I O N 60 % D E S I G N SCALE: AS SHOWN LOW PROFILE ELJ 1 12 LOW PROFILE ELJ PROFILE SCALE: 1" = 6' LOW PROFILE ELJ PLAN SCALE: 1" = 6' LOW PROFILE ELJ PERSPECTIVE SCALE: 1" = 6' LOG ID DIA* (INCHES) LENGTH** (FEET) ROOTWAD (Y/N) QUANTITY PER STRUCTURE NOTES RD-30 20 30 Y 2 RD-40 20 40 Y 1 D-30 20 30 N 1 RPF-15 16 15 Y 7 ROOTWAD POST RACKING 6-12 20-40 Y/N 50 TREES WITH BRANCHCES SLASH 1-3 N/A N 30 CY LIMBS AND BRANCHES 35' 4 14SAW CUT POST TOP (TYP) 3' 06'3'6'12' 3 14 BACKFILL LEE OF STRUCTURE WITH THE EXCAVATED ALLUVIUM RACKING AND SLASH GRAVEL BAR SURFACE OR SWALE BOTTOM EXCAVATED POOL SIDE SLOPS TO BE 4:1 (H:V) OR FLATTER EXCAVATED POOL, 3 FT DEEP, DIMENSIONS WILL VARY 1.ALL STRUCTURE LOCATIONS AND POST BOTTOM ELEVATIONS SHALL BE STAKED BY THE ENGINEER PRIOR TO EXCAVATION, ASSEMBLY, AND INSTALLATION OF EACH STRUCTURE. 2.WHEN STRUCTURES ABUT BANKS, EXCAVATE A PORTION OF THE BANK AS NEEDED TO INSTALL THE STRUCTURE. RE-GRADE THE BANK FOLLOWING COMPLETION AND PLACE EXCESS MATERIAL IN LEE OF ELJ AS DRAWN. 3.CONTRACTOR SHALL EXCAVATE TO THE POST BOTTOM ELEVATION AND MAINTAIN A DETWATERED WORK AREA.. 4.THE WOOD LAYER PLACEMENT IN EACH LOGJAM LAYER SHALL BE FIELD VERIFIED BY ENGINEER OR CONTRACTING AGENCY REPRESENTATIVE PRIOR TO BACKFILLING. 5.THE FINISHED ELEVATION AND WIDTH OF ANY ELJ SHALL NOT EXCEED THE DIMENSIONS SHOWN IN THESE PLANS. 6.BACKFILL EXTENTS MAY VARY AND ARE TO BE CONSTRUCTED WITH NATIVE ALLUVIUM FROM EXCAVATION SPOILS. BACKFILL ELEVATION IS NOT TO EXCEED THE SPECIFIED GRADE. 7.FOR ROOTWAD POST SIZE DIMENSION SPECIFICATIONS, SEE 8.BOULDERS >24" EXCAVATED OUT DURING POSY INSTALLATION ARE TO BE STOCKPILED SEPARATELY AND INCORPORATED INTO BACKFILL, OR PLACED IN THE STREAM CHENNEL WITHIN 10FT OF THE ELJ, AS DIRECTED BY THE ENGINEER. D-3 0 RD - 4 0 RD-30 R D - 3 0 RP F - 1 5 RP F - 1 5 R P F - 1 5 RPF- 1 5 RPF- 1 5 RP F - 1 5 BATTER POSTS (TYP)2 14 RP F - 1 5 EXISTING GRAVEL BAR SURFACE OR SWALE THALWEG BACKFILL TO BE 4.5' MAX GRADE ABOVE EXISTING. EXTEND LENGTH AS NEEDED. 8' EXCAVATION LIMIT 5' MAX LOW PROFILE ELJ MATERIAL SCHEDULE *MINIMUM DIAMETER AT BREAST HEIGHT ** TOTAL LENGTH INCLUDING ROOTWAD PROPOSED GROUND 55' 1.ALL STRUCTURE LOCATIONS AND POST BOTTOM ELEVATIONS SHALL BE STACKED BY THE ENGINEER PRIOR TO EXCAVATION, ASSEMBLY, AND INSTALLATION OF EACH STRUCTURE. 2.THE CONTRACTOR SHALL PLACE LOGS AS ILLUSTRATED ON THIS SHEET UNLESS DIRECTED OTHERWISE BY THE CONTRACTING AGENCY. 3.CONTRACTOR SHALL EXCAVATE TO THE POST BOTTOM ELEVATION AND MAINTAIN A DEWATERED WORK AREA. 4.RETENTION LOGS TO BE PLACED TO PIN RACKING MATERIAL IN PLACE AT THE DIRECTION OF THE CONTRACTING AGENCY. 5.CONNECT LOGS BY CHAIN LASHING WHERE INDICATED ON THE DRAWINGS. SEE DETAILS. 6.FOR ROOTWAD POST SIZE DIMENSION SPECIFICATIONS, SEE NOTES 0 1 IF THIS BAR DOES NOT MEASURE 1" THEN DRAWING IS NOT PLOTTED TO ORIGINAL SCALE. \\ N S D - S E A - S E R V E R \ N S D _ D A T A \ P R O J E C T S \ J E F F E R S O N C O U N T Y \ R O C K Y B R O O K A S S M T _ P O W E R L I N E S P R E L I M \ D E S I G N \ C A D - P O W E R L I N E S \ FL D P L N _ R O U G H _ E L J . D W G La u r a 11 / 1 4 / 2 0 2 4 2 : 4 0 : 0 4 P M CO U N T Y DE S I G N CH E C K DR A W N CH E C K DA T E LA T I T U D E LO N G I T U D E TN / S C / R G SHEET OF Natural Systems Design + Coastal Geologic Services CGS EB TA DS EB NO V E M B E R 2 0 2 4 PO W E R L I N E S R E A C H R E S T O R A T I O N P R O J E C T FL O O D P L A I N R O U G H N E S S E L J 13 18 PR E L I M I N A R Y D E S I G N JE F F E R S O N 47 ° 4 1 ' 5 5 " N 12 2 ° 5 4 ' 4 5 " W T2 6 N /S3 4 /R2 W JE F F E R S O N C O U N T Y NO T F O R C O N S T R U C T I O N 60 % D E S I G N SCALE: AS SHOWN FLOODPLAIN ROUGHNESS ELJ 1 13 FLOODPLAIN ROUGHNESS ELJ PROFILE SCALE: 1" = 6' FLOODPLAIN ROUGHNESS ELJ PLAN SCALE: 1" = 6' FLOODPLAIN ROUGHNESS ELJ PERSPECTIVE SCALE: 1" = 6' 3 14 SAW CUT POST TOP (TYP) RD - 4 1 15CHAIN LASHING (TYP) RD - 4 RD - 3 RD-3 R D - 3 3' MIN 30' RPF-2 POST (TYP) 40' 06'3'6'12' FILL WITH RACKING AND SLASH VERTICAL POST (TYP) 8' 5' MAX LOG ID DIA* (INCHES) LENGTH** (FEET) ROOTWAD (Y/N) QUANTITY PER STRUCTURE NOTES RD-30 20 30 Y 3 RD-40 20 40 Y 2 RPF-20 16 20 Y 6 ROOTWAD POST RACKING 6-12 40 Y/N 100 TREES WITH BRANCHCES SLASH 1-3 N/A N 20 CY LIMBS AND BRANCHES FLOODPLAIN ROUGHNESS ELJ MATERIAL SCHEDULE *MINIMUM DIAMETER AT BREAST HEIGHT ** TOTAL LENGTH INCLUDING ROOTWAD EXISTING GROUND EXCAVATION LIMITS PROPOSED GROUND EXCAVATE SCOUR POOL, 3FT DEEP CHANNEL BOTTOM 2' BACKFILL WITH NATIVE MATERIAL ADJACENT LOG MEMBER BATTER POST 60° to 75° BATTER POSTS SHALL BE INSTALLED WITH THE TOP ANGLED TOWARDS THE ADJACENT LOG MEMBER DE S I G N E M B E D M E N T D E P T H TO T A L L E N G T H O F R O O T W A D ROOTWAD/ROOTWAD POST ROOTWAD DRW ORIGINAL GROUND ELEVATION TREE STEM TAPROOTS, OR TREE STEM THAT EXTENDS BENEATH THE BOTTOM OF ROOTFAN SHALL NOT BE ACCOUNTED FOR IN EMBEDMENT DEPTH OR TOTAL LENGTH OF ROOTWAD MINOR ROOTS <3" DIA. SHALL NOT BE ACCOUNTED FOR IN ROOTWAD DIAMETER CENTERLINE OF BOLE ABBREVIATIONS: B =BOLE (EG., STEM, TRUNK) OF TREE RW =ROOTWAD DRW =DIAMETER OF ROOTWAD DBH =DIAMETER AT BREAST HEIGHT MEASURED WITH BARK OFF DT =DIAMETER AT TIP HB =MAXIMUM HEIGHT OF BOLE ABOVE GROUND WITH LOG LAID DOWN CENTERLINE OF BOLE DRW DETERMINED BY TAKING AT LEAST 3 MEASUREMENTS ACROSS THE MAJOR ROOTS WHICH SUPPORT THE TREE'S WEIGHT WHEN RESTED ON ITS SIDE. GROUND WHICH ROOTWAD IS PLACED ON FOR MEASUREMENT DBH 4.5' DT EMBEDMENT DEPTH MEASURED FROM CHANNEL GRADE TO THE CENTERLINE OF THE LOG WHERE THE ROOTFAN BEGINS ℄ OF BOLE EXTRA BURIAL OF ROOTFAN, DEPTH VARIES BY LOG ROOTWAD DIAMETER PROPOSED CHANNEL GRADE SAWCUT POST ENDS EXCAVATION SPOILS TO BE PLACED AS BACKFILL AND COMPACTED WITH BUCKET ROOTWAD POST; ORIENTATION RELATIVE TO FLOW PER ELJ DETAILS EXCAVATION LIMITS DETERMINED BY CONTRACTOR 20-30° POST HIGHEST ADJACENT NON-VERTICAL LOG MEMBER SAWCUT TOP OF POST WITH A MINIMUM OF 2 CUTS WITH EACH CUT TO BE A MINIMUM OF 30 DEGREES FROM HORIZONTAL APPROX. 2 FT DIMENSION POINT TO BE FROM BOTTOM OF LOWEST CUT NO T F O R C O N S T R U C T I O N 60 % D E S I G N 0 1 IF THIS BAR DOES NOT MEASURE 1" THEN DRAWING IS NOT PLOTTED TO ORIGINAL SCALE. \\ N S D - S E A - S E R V E R \ N S D _ D A T A \ P R O J E C T S \ J E F F E R S O N C O U N T Y \ R O C K Y B R O O K A S S M T _ P O W E R L I N E S P R E L I M \ D E S I G N \ C A D - P O W E R L I N E S \ EL J C O N S T D T L S . D W G La u r a 11 / 1 4 / 2 0 2 4 2 : 4 0 : 1 8 P M CO U N T Y DE S I G N CH E C K DR A W N CH E C K DA T E LA T I T U D E LO N G I T U D E TN / S C / R G SHEET OF Natural Systems Design + Coastal Geologic Services CGS EB TA DS EB NO V E M B E R 2 0 2 4 PO W E R L I N E S R E A C H R E S T O R A T I O N P R O J E C T EL J D E T A I L S 14 18 PR E L I M I N A R Y D E S I G N JE F F E R S O N 47 ° 4 1 ' 5 5 " N 12 2 ° 5 4 ' 4 5 " W T2 6 N /S3 4 /R2 W JE F F E R S O N C O U N T Y BATTER POST NTS 1 14 ROOTWAD BATTER POST NTS 2 14 ROOTWAD MEASUREMENT NTS 3 14 SAWCUT POST TOP NTS 4 14 LOG 3/8 INCH STEEL CHAIN (MINIMUM WORKING LOAD 4500 LBS) HORIZONTAL FRAME LOG VERTICAL POST USE CARRIAGE BOLT (SIZED TO MATCH CHAIN) WITH WASHERS AND LOCKING NUTS AND A WORKING LOAD LIMIT EQUAL OR GREATER THAN THAT OF CHAIN. USE TO PULL CHAIN TIGHT TO LOGS. MAR THREADS TO SECURE BOLT AND DETER THEFT. 3/8 INCH STEEL CHAIN (MINIMUM WORKING LOAD 4500 LBS) USE CARRIAGE BOLT (SIZED TO MATCH CHAIN) WITH WASHERS AND LOCKING NUTS AND A WORKING LOAD LIMIT EQUAL OR GREATER THAN THAT OF CHAIN. USE TO PULL CHAIN TIGHT TO LOGS. MAR THREADS TO SECURE BOLT AND DETER THEFT WRAP CHAIN TIGHT AROUND LOGS AS SHOWN HORIZONTAL FRAME LOG HORIZONTAL FRAME LOG WRAP CHAIN TIGHT AROUND LOGS AS SHOWN 1.5' 1.5' POST PROFILE ALIGN TOP OF SIGN WITH BOTTOM OF SAWCUT REFLECTIVE SIGN 1.SIGN SHALL BE A TYPE 1 OBJECT MARKER, AS DEFINED BY THE MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES (MUTCD). 2.SIGN SHALL BE ATTACHED TO A VERTICAL POST SUCH THAT THE REFLECTIVE PORTION FACES UPSTREAM AND IS READILY VISIBLE TO RIVER USERS. 3.SIGN SHALL BE PLACED SUCH THAT NOTHING OBSCURES THE FACE OF THE SIGN. SIGN SHALL BE ATTACHED WITH (2) 516" FASTENERS NOTES 5 1.RACKING BUNDLES SHALL BE SECURED WITH A MIN 1" DIA MANILA ROPE WRAPPED TWICE AROUND AND SECURED WITH A TRUCKERS HITCH OR COMPARABLE CONSTRICTOR KNOT AT MINIMUM 3 LOCATIONS AS SHOWN. BUNDLES SHALL BE TESTED TO ENSURE PIECES ARE SECURE FOR TRANSPORT. 2.SLASH SHALL BE SANDWICHED INTO THE CENTER OF THE BUNDLE.APPROXIMATE LENGTH 30' / 40' APPROXIMATE DIAMETER 3' 10' / 15' 10' / 15' 5 NOTES NO T F O R C O N S T R U C T I O N 60 % D E S I G N 0 1 IF THIS BAR DOES NOT MEASURE 1" THEN DRAWING IS NOT PLOTTED TO ORIGINAL SCALE. \\ N S D - S E A - S E R V E R \ N S D _ D A T A \ P R O J E C T S \ J E F F E R S O N C O U N T Y \ R O C K Y B R O O K A S S M T _ P O W E R L I N E S P R E L I M \ D E S I G N \ C A D - P O W E R L I N E S \ EL J C O N S T D T L S . D W G La u r a 11 / 1 4 / 2 0 2 4 2 : 4 0 : 2 4 P M CO U N T Y DE S I G N CH E C K DR A W N CH E C K DA T E LA T I T U D E LO N G I T U D E TN / S C / R G SHEET OF Natural Systems Design + Coastal Geologic Services CGS EB TA DS EB NO V E M B E R 2 0 2 4 PO W E R L I N E S R E A C H R E S T O R A T I O N P R O J E C T EL J D E T A I L S 2 15 18 PR E L I M I N A R Y D E S I G N JE F F E R S O N 47 ° 4 1 ' 5 5 " N 12 2 ° 5 4 ' 4 5 " W T2 6 N /S3 4 /R2 W JE F F E R S O N C O U N T Y CHAIN LASHING NTS 1 15 REFLECTIVE SIGN INSTALLATION NTS 2 15 RACKING BUNDLE NTS 3 15 100'50'0 100'200' 1.FOLLOWING CONSTRUCTION, ALL AREAS CLEARED OF VEGETATION SHALL BE SEEDED ACCORDING TO THE SEED MIX SHOWN ON THIS SHEET AT A RATE OF 120 LBS/ACRE. CLEARED AREAS MAY VARY FOLLOWING CONSTRUCTION. 2.ALL SEEDING AREAS SHALL BE PREPARED IN ACCORDANCE WITH THE SPECIFICATIONS. SEEDING AREAS NEED NOT BE CULTIVATED, BUT SHALL BE RAKED OR CHAINED TO ENSURE A FRIABLE SURFACE FREE OF SOIL CLUMPS LARGER THAN 2” IN DIAMETER. 3.APPLICATION OF SEED SHALL BE FOLLOWED BY THE APPLICATION OF CERTIFIED WEED-FREE STRAW MULCH APPLIED AT A RATE OF 2,500 POUNDS/ACRE. NOTES 0 1 IF THIS BAR DOES NOT MEASURE 1" THEN DRAWING IS NOT PLOTTED TO ORIGINAL SCALE. \\ N S D - S E A - S E R V E R \ N S D _ D A T A \ P R O J E C T S \ J E F F E R S O N C O U N T Y \ R O C K Y B R O O K A S S M T _ P O W E R L I N E S P R E L I M \ D E S I G N \ C A D - P O W E R L I N E S \ PL A N T I N G P L A N . D W G La u r a 11 / 1 4 / 2 0 2 4 2 : 4 1 : 0 0 P M CO U N T Y DE S I G N CH E C K DR A W N CH E C K DA T E LA T I T U D E LO N G I T U D E TN / S C / R G SHEET OF Natural Systems Design + Coastal Geologic Services CGS LZ , T L JS CJ LZ , J S NO V E M B E R 2 0 2 4 PO W E R L I N E S R E A C H R E S T O R A T I O N P R O J E C T SI T E S T A B I L I Z A T I O N 16 18 PR E L I M I N A R Y D E S I G N JE F F E R S O N 47 ° 4 1 ' 5 5 " N 12 2 ° 5 4 ' 4 5 " W T2 6 N /S3 4 /R2 W JE F F E R S O N C O U N T Y STAT E O F WASHIN G T O N LAURA M C K NERNEY Z AN E T TO LIC EN S ED LANDSCAPE A R C HITECTNO . 22036968 EXP. 0 6/10/2026 NO T F O R C O N S T R U C T I O N 60 % D E S I G N SITE STABILIZATION PLAN SCALE: 1" = 100' TEMPORARY EROSION CONTROL SEED SCHEDULE SPECIES NAME COMMON NAME % WEIGHT % PURITY % GERMINATION AGROSTIS ALBA OR AGROSTIS OREGONENSIS REDTOP OR OREGON BENTGRASS 20 92 85 RED FESCUE FESTUCA RUBRA 70 98 90 TRIFOLIUM REPENS WHITE DUTCH CLOVER 10 98 90 1.PLANTING BOUNDARIES SHOWN ON THIS SHEET ARE THE EXPECTED LIMITS OF DISTURBANCE RESULTING FROM THE POWERLINES REACH RESTORATION PROJECT AND MAY VARY AT THE TIME OF PLANT INSTALLATION. PLANTING BOUNDARIES AND LAYOUT SHALL BE APPROVED BY THE OWNER PRIOR TO COMMENCEMENT OF WORK. 2.SEE SHEET 18 FOR SPECIES, SIZE, AND QUANTITY OF PLANTS FOR EACH PLANTING TYPE. 3.ACTIVITIES WITHIN CONIFER UNDERPLANTING AREAS SHALL VARY BY TYPE AS INDICATED: A.TYPE 1: INSTALL BROWSE PROTECTION AS SHOWN ON SHEET 18. B.TYPE 2: NO BROWSE PROTECTION OR INVASIVE SPECIES TREATMENT. C.TYPE 3: MECHANICAL SPOT CONTROL OF INVASIVE SPECIES (HIMALAYAN BLACKBERRY AND SCOTS BROOM) SHALL OCCUR PRIOR TO PLANT INSTALLATION. FOLLOWING PLANT INSTALLATION, INSTALL BROWSE PROTECTION AS SHOWN ON SHEET 18. 4. WITHIN UPPER BANK PLANTING AREAS: A.FOLLOWING PLANT INSTALLATION, TOP DRESS EXISTING STRAW MULCH BY APPLYING A 12-IN DIA, 3-IN DEEP RING OF WOOD CHIP MULCH TO ALL PLANTS INSTALLED WITHIN THE UPPER BANK PLANTING AREA. SEE SHEET 18 FOR DETAILS. B.INSTALL BROWSE PROTECTION AS SHOWN ON SHEET 18. D O S E W A L L I P S R I V E R SITE RESTORATION PLAN SCALE: 1" = 100' NOTES FL O W 0 1 IF THIS BAR DOES NOT MEASURE 1" THEN DRAWING IS NOT PLOTTED TO ORIGINAL SCALE. \\ N S D - S E A - S E R V E R \ N S D _ D A T A \ P R O J E C T S \ J E F F E R S O N C O U N T Y \ R O C K Y B R O O K A S S M T _ P O W E R L I N E S P R E L I M \ D E S I G N \ C A D - P O W E R L I N E S \ PL A N T I N G P L A N . D W G La u r a 11 / 1 4 / 2 0 2 4 2 : 4 1 : 0 9 P M CO U N T Y DE S I G N CH E C K DR A W N CH E C K DA T E LA T I T U D E LO N G I T U D E TN / S C / R G SHEET OF Natural Systems Design + Coastal Geologic Services CGS LZ , T L JS CJ LZ , J S NO V E M B E R 2 0 2 4 PO W E R L I N E S R E A C H R E S T O R A T I O N P R O J E C T SI T E R E S T O R A T I O N P L A N 17 18 PR E L I M I N A R Y D E S I G N JE F F E R S O N 47 ° 4 1 ' 5 5 " N 12 2 ° 5 4 ' 4 5 " W T2 6 N /S3 4 /R2 W JE F F E R S O N C O U N T Y STAT E O F WASHIN G T O N LAURA M C K NERNEY Z AN E T TO LIC EN S ED LANDSCAPE A R C HITECTNO . 22036968 EXP. 0 6/10/2026 NO T F O R C O N S T R U C T I O N 60 % D E S I G N 100'50'0 100'200' TYPE 1 CONIFER UNDERPLANTING 3 TYPE 3 CONIFER UNDERPLANTING3 TYPE 2 CONIFER UNDERPLANTING3 3 PLANT SUCH THAT UPPER MOST ROOT IS BELOW THE BACKFILLED SOIL SURFACE. BACKFILL WITH NATIVE SOIL ONLY. COMPACT MODERATELY BY HAND. ENSURE THAT ROOTS ARE SPLAYED EVENLY. AVOID J-ROOTING/ DO NOT ALLOW ROOTS TO BEND UPWARD. NATIVE SOIL INSTALL 12 IN DIA RING OF WOOD CHIP MULCH IN UPPER BANK PLANT COMMUNITY ONLY. TAPER MULCH AWAY FROM PLANT STEM SUCH THAT MULCH DOES NOT MAKE CONTACT WITH STEM. WIDTH OF PLANTING HOLE SHALL BE AT LEAST 1.5 TIMES THE WIDTH OF ROOTBALL 4"Ø TREE PROTECTION TUBE PROTECTED PLANT MATERIAL 36" MIN. LONG, 12" Ø BAMBOO STAKE BROWSE PROTECTION NOTES 1.PROTECTION TUBE SHALL BE SEMI-TRANSLUCENT PLASTIC 18"x40" Ø IN OR SIMILAR. 2.ASSEMBLE PROTECTION TUBE BY CONNECTING PRE-CUT TABS. 3.WEAVE BAMBOO STAKE THROUGH PRE-CUT TABS TO SECURE. 4.POSITION PROTECTION TUBE OVER SAPLING SUCH THAT BAMBOO STAKE IS INSERTED OUTSIDE OF SAPLING ROOT ZONE. 5.USING A HAND MALLET, HAMMER BAMBOO STAKE INTO GROUND LEAVING A MINIMUM OF 4" ABOVE TOP OF PROTECTION TUBE. DRIVE STAKE ADJACENT TO SAPLING TO AVOID ROOT DAMAGE IF MULCH RING PRESENT, SET PROTECTION TUBE WITHIN RING 1.SEE SHEET 17 FOR PLANTING AREA LOCATIONS. 2.PLANTS SHALL BE EVENLY SPACED ACROSS THE PLANTING AREA AS INDICATED IN THE PLANT SCHEDULE, AND CLUSTERED WITH LIKE SPECIES. 3.IF SUFFICIENT QUANTITIES OF TREEPOT (TP414) CONTAINER PLANTS ARE NOT AVAILABLE, THE CONTRACTOR MAY SUBMIT SUBSTITUTIONS OF EQUAL OR GREATER SIZE, AS APPROVED BY THE OWNER. GENERAL PLANTING NOTES 0 1 IF THIS BAR DOES NOT MEASURE 1" THEN DRAWING IS NOT PLOTTED TO ORIGINAL SCALE. \\ N S D - S E A - S E R V E R \ N S D _ D A T A \ P R O J E C T S \ J E F F E R S O N C O U N T Y \ R O C K Y B R O O K A S S M T _ P O W E R L I N E S P R E L I M \ D E S I G N \ C A D - P O W E R L I N E S \ PL A N T I N G P L A N . D W G La u r a 11 / 1 4 / 2 0 2 4 2 : 4 1 : 1 6 P M CO U N T Y DE S I G N CH E C K DR A W N CH E C K DA T E LA T I T U D E LO N G I T U D E TN / S C / R G SHEET OF Natural Systems Design + Coastal Geologic Services CGS LZ , T L JS CJ LZ , J S NO V E M B E R 2 0 2 4 PO W E R L I N E S R E A C H R E S T O R A T I O N P R O J E C T RE S T O R A T I O N P L A N T S C H E D U L E S 18 18 PR E L I M I N A R Y D E S I G N JE F F E R S O N 47 ° 4 1 ' 5 5 " N 12 2 ° 5 4 ' 4 5 " W T2 6 N /S3 4 /R2 W JE F F E R S O N C O U N T Y STAT E O F WASHIN G T O N LAURA M C K NERNEY Z AN E T TO LIC EN S ED LANDSCAPE A R C HITECTNO . 22036968 EXP. 0 6/10/2026 NO T F O R C O N S T R U C T I O N 60 % D E S I G N FLOODPLAIN PLANT SCHEDULE PLANT TYPE ID SPECIES NAME COMMON NAME TYP. SPACING SIZE TOTAL AREA 1.0 AC TREE SASI SALIX SITCHENSIS SITKA WILLOW 4'1-GAL 970 POBA POPULUS BALSAMIFERA BLACK COTTONWOOD 10'1-GAL 111 SHRUB ACCI ACER CIRCINATUM VINE MAPLE 6'1-GAL 246 SYAL SYMPHORICARPOS ALBUS SNOWBERRY 6'1-GAL 369 GROUND POMU POLYSTICHUM MUNITUM WESTERN SWORDFERN 4'40 CI 277 TOTAL QUANTITIES 1973 CONIFER UNDERPLANTING PLANT SCHEDULE PLANT TYPE ID SPECIES NAME COMMON NAME TYP. SPACING SIZE TOTAL AREA 15.5 AC TREE PISI PICEA SITCHENSIS SITKA SPRUCE 30'1-GAL 150 THPL THUJA PLICATA WESTERN RED CEDAR 30'1-GAL 150 ABGR ABIES GRANDIS GRAND FIR 30'1-GAL 150 ACMA ACER MACROPHYLLUM BIGLEAF MAPLE 30'1-GAL 150 PSME PSEUDOTSUGA MENZIESII DOUGLAS-FIR 30'1-GAL 150 TOTAL QUANTITIES 750 CHANNEL BANK PLANT SCHEDULE PLANT TYPE ID SPECIES NAME COMMON NAME TYP. SPACING SIZE TOTAL AREA 0.6 AC TREE SALA SALIX LASIANDRA PACIFIC WILLOW 4'TP414 709 SASI SALIX SITCHENSIS SITKA WILLOW 4'TP414 709 POBA POPULUS BALSAMIFERA BLACK COTTONWOOD 10'TP414 63 TOTAL QUANTITIES 1481 UPPER BANK PLANT SCHEDULE PLANT TYPE ID SPECIES NAME COMMON NAME TYP. SPACING SIZE TOTAL AREA 1.1 AC TREE ACMA ACER MACROPHYLLUM BIGLEAF MAPLE 15'1-GAL 62 ABGR ABIES GRANDIS GRAND FIR 15'1-GAL 41 PSME PSEUDOTSUGA MENZIESII DOUGLAS-FIR 15'1-GAL 62 POBA POPULUS BALSAMIFERA BLACK COTTONWOOD 10'1-GAL 46 SHRUB SYAL SYMPHORICARPOS ALBUS SNOWBERRY 6'1-GAL 258 ACCI ACER CIRCINATUM VINE MAPLE 8'1-GAL 73 GROUND POMU POLYSTICHUM MUNITUM WESTERN SWORDFERN 4'40 CI 290 TOTAL QUANTITIES 832 CONTAINER PLANT INSTALLATION DETAIL NOT TO SCALE 1 18 BROWSE PROTECTION INSTALLATION DETAIL NOT TO SCALE 2 18 Appendix C Construction Cost Estimate Construction Cost Estimate Natural Systems Design Project:Dosewallips Powerlines Reach Analyst:Rachael Dirks Client:Jefferson County Latest Revision:10/10/2024 Project No:JEFFCO-008 Allowance for Indeterminates Included in Bid Items:25% Inflation to 2027 included in Item Cost:18% Construction ITEM # ITEM DESCRIPTION WSDOT REF QTY UNIT UNIT COST ITEM COST CO-1 MOBILIZATION 1 LS 395,198.24$ 395,198.24$ CO-2 EROSION CONTROL AND WATER POLLUTION PREVENTION 1 LS 31,126.33$ 31,126.33$ CO-3 SITE ISOLATION AND WATER MANAGEMENT 1 LS 401,435.68$ 401,435.68$ CO-4 FISH EXCLUSION 1 LS 36,259.08$ 36,259.08$ CO-5 FISH BLOCK NET MAINTENANCE 1 FA 7,543.25$ 7,543.25$ CO-6 ACCESS & STAGING 1 LS 46,269.88$ 46,269.88$ CO-7 HIGH VISIBILITY FENCE 1,077 LF 11.58$ 12,474.89$ CO-8 TEMPORARY BRIDGE - MAINSTEM 2 EA 71,500.00$ 143,000.00$ CO-9 TEMPORARY BRIDGE - SIDE CHANNEL 4 EA 50,050.00$ 200,200.00$ CO-10 LARGE APEX ELJ 8 EA 140,008.23$ 1,120,065.80$ CO-11 SMALL APEX ELJ 13 EA 91,075.13$ 1,183,976.65$ CO-12 FLOODPLAIN ROUGHNESS ELJ 9 EA 34,341.75$ 309,075.75$ CO-13 LOW PROFILE ELJ 11 EA 30,511.68$ 335,628.49$ CO-14 TEMPORARY SEEDING AND MULCHING 2.8 AC 8,294.00$ 23,223.20$ CO-15 CHANNEL BANK PLANTING 0.6 AC 31,104.65$ 18,662.79$ CO-16 FLOODPLAIN PLANTING 1.0 AC 24,785.98$ 24,785.98$ CO-17 UPPER BANK PLANTING 1.1 AC 16,437.13$ 18,080.84$ CO-18 CONIFER UNDERPLANTING TYPE 1 5.5 AC 1,422.85$ 7,825.68$ CO-19 CONIFER UNDERPLANTING TYPE 2 4.1 AC 3,690.83$ 15,132.40$ CO-20 CONIFER UNDERPLANTING TYPE 3 5.9 AC 2,917.92$ 17,215.70$ Subtotal 4,347,180.63$ Taxes (as % of Construction Sub-Total)9.1%395,593.44$ Total (Construction)4,742,774.06$