HomeMy WebLinkAboutLilliwaup Falls Power Project - SHR Plot / Site Plans - 12/21/2012 Lilliwaup
Falls Power Project
Winter Creek Channel Relocation at Lilliwaup Falls
WiinterCree\ December 21, 2012
Schoening
Lilliwaup Creek, Residence
�. SaS Airstrip Sheet List
AreaReed OWNER Sheet Number Sheet Title
Residence 1 COVER
• Lilliwaup Falls Generating Co. 2 TOPOGRAPHIC SURVEY-1 OF 4
1402 3rd Avenue Suite 1318 3 TOPOGRAPHIC SURVEY-2 OF 4
Seattle, WA 98101 4 TOPOGRAPHIC SURVEY-3 OF 4
;:. . . . . .
5 TOPOGRAPHIC SURVEY-4 OF 4
Phone: (206) 224-5466
. . . 6 NOTES
Lilliwaup 7 STORM WATER POLLUTION PREVENTION PLAN
General
Store OWNER'S REPRES NTATIVE 8 CHANNEL LAYOUT&GRADING PLAN
A' �' Q`�r 9 CREEK PROFILE& CROSS SECTIONS
' 1 V Seneca Real Esta Group, IriC. 10 RESTORATION PLAN
1191 Second Avenue, Suite 1500 11 RESTORATION NOTES&DETAILS
Seattle, WA 98101
B nPhone: (206) 628-3150
Gorst
ultiwa„p 3 ENGINEER
1s
'r Jacobs Associates
vasholn
1109 First Avenue, Suite 501
P�� Seattle, WA 98101-2963
Tara 106 Phone: (206) 588-8200
Union
SURVEYOR
Skokomish
got 3 in True North Land Surveying, Inc.
Tara 815 S Waller Street, Suite 200
Inlet • • BS ASSOCIATES
• Seattle, WA 98104-3023
s Phone: (206) 332-0800 Engineers/Consultants
. CONTRACTOR
Spanaway Granite Construction
•
1525 East Marine View Drive
1-5
Everett, WA 98201
o, Phone: (425) 551-3100 Know what's below.
8 Contractor's License: # GRANICC916DL Call before you dig.
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( IN FEET)
Date Job Number;
of-�G 2-15-12 LILLIWAUP
SURVEym.BP/IS _ <�' "ter J 11-75.00
DRArm: TI 815 S.Weller Street scale: TOPOGRAPHIC SURVEY
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cNEa(ED: TI -r H Suite 200 �a 1' = 50' LILLIWAUP FALLS GENERATING COMPANY Sheet,
Seattle,WA 98104-3023 SAL LAN9 Book:
REV REM9pN Da E er APP'D LAND SURVEYING,INC. 206.332.0800 J1175.DVG of 4
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Date: Job Nur7ber
SURVEYED:BP/IS .:`br.• r 2-16-12 LILLIWAUP
DRAM,: TI Scale; TOPOGRAPHIC SURVEY
J 1 1-75.00
815 S.Weller Street �. a
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LILLIWAUP FALLS GENERATING COMPANY Sheet+
Seattle,WA 98104-3023 s'�Y4L L Book:
REV REN9o11 DATE BY APPb LAND SURVEYING,INC. 206.332.0800 J1175.DWG 2 of 4
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/- EDGE ALSO ULUWAW CREEK IS •.,\
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s JANUARY 2012
LILLIWAUP CREEK \ •.\
TNIN 2
EDGE OF ULLIWAUP CREEK IS---
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/EDGE OF WATER JANUARY 2012
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0OH SOIL BORING I I
EGDE OF CREEK WAS TAKEN FROM 1999
DRAWING BY OTHERS. PER 1999 DRAWING THE
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ROOT CLUSTER
/ GRAPHIC SCALE
/ Ao io 10 b
( IN Fesr)
Date: LILLIWAUP
AImEWm:BP/IS Job Number:
p, ,;�, 2-16-12
TOPOGRAPHIC SURVEY J11-75.00
R'6 ti�
GRAY91• TI 815 S.Weller Street -.� Scale:
CIE0IED: TI TH Suite200 u V = 20' LILLIWAUP FALLS GENERATING COMPANY Sheet:
Seattle,WA 98104-3023 Book: A
Rev REVISION DATE BY ARP'o LAND SURVEYING,INC. 206.332.0800 J1175.DWG 3 of �}
MATCHLINE SEE SHEET 2
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Date LILLIWAUP Job Number:
��:HP/IS 2-1G-12
TOPOGRAPHIC SURVEY J11-75.00
m Y':
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a aED: TI �-H Suite 200 .�24300 1' = 20'
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Seattle,WA 98104-3023 i Book
REV REVISION DATE er APP'D LAND SURVEYING,INC. 206.332.0800 J1175.DWG 4 -F 4
GENERAL NOTES: STORMWATER POLLUTION PREVENTION PLAN NOTES:
1. ALL WORK AND MATERIALS SHALL BE IN ACCORDANCE WITH MASON COUNTY 1. THE IMPLEMENTATION OF THE SWPPP AND THE CONSTRUCTION,MAINTENANCE, CONTAINMENT STRUCTURE.DOUBLEWALLED TANKS DO NOT REQUIRE
STANDARDS AND THE CURRENT STATE OF WASHINGTON STANDARD 17. ROUND ROCK FOR DROP STRUCTURES SHALL CONSIST OF 2-MAN GRANITE REPLACEMENT,AND UPGRADING OF THESE SWPP BMPS IS THE RESPONSIBILITY ADDITIONAL SECONDARY CONTAINMENT.
SPECIFICATIONS FOR ROAD,BRIDGE AND MUNICIPAL CONSTRUCTION,CURRENT STREAMBED BOULDERS,CONFORMING TO STD.SPEC.9-03.11(3). OF THE CONTRACTOR UNTIL THE SITE IS STABILIZED AND IS APPROVED BY
AMENDMENTS AND THE WSDOT/APWA STANDARD PLANS.IN CASES OF MASON COUNTY. 20. CONDUCT MAINTENANCE,FUELING,AND REPAIR OF HEAVY EQUIPMENT AND
CONFLICT,THE MOST STRINGENT STANDARD SHALL APPLY. 18. QUARRY SPALLS-STD.SPEC.9-13.6,EXCEPT PERCENT PASSING 3"SIEVE SHALL VEHICLES USING SPILL PREVENTION AND CONTROL MEASURES.CLEAN
BE 15%MAX. 2. THE SWPP BMPS SHOWN ON THIS PLAN ARE THE MINIMUM REQUIREMENTS FOR CONTAMINATED SURFACES IMMEDIATELY FOLLOWING ANY SPILL INCIDENT.
2. TOPOGRAPHY,SITE IMPROVEMENTS AND UNDERGROUND UTILITIES SHOWN ARE ANTICIPATED SITE CONDITIONS.DURING THE CONSTRUCTION PERIOD,THESE
BASED UPON THE 2012 SURVEY BY TRUE NORTH LAND SURVEYING,INC.NO 19. FILTER FABRIC FOR SEPARATION OF QUARRY SPALLS AND NATIVE MATERIAL SWPP BMPS SHALL BE UPGRADED AS NEEDED FOR UNEXPECTED STORM EVENTS 21. APPLY FERTILIZERS IN A MANNER AND AT APPLICATION RATES THAT WILL NOT
WARRANTY OR GUARANTEE OF ACCURACY OR COMPLETENESS IS IMPLIED OR SHALL BE MIRAFI 160N NON-WOVEN POLYPROPYLENE GEOTEXTILE,OR AND MODIFIED TO ACCOUNT FOR CHANGING SITE CONDITIONS RESULT IN LOSS OF CHEMICAL TO STORMWATER RUNOFF.FOLLOW
EXPRESSED.THE CONTRACTOR IS RESPONSIBLE FOR CHECKING WITH APPROVED EQUIVALENT. MANUFACTURERS'LABEL REQUIREMENTS FOR APPLICATION RATES AND
APPROPRIATE AGENCIES THAT MAY HAVE UNDERGROUND UTILITIES AND 3. THE SWPP BMPS SHOWN ON THIS PLAN MUST BE CONSTRUCTED PRIOR TO OR IN PROCEDURES.
IMPROVEMENTS WITHIN THE PROJECT LIMITS AND FOR CHECKING LOCATIONS IN 20. CORRUGATED METAL PIPE-CORRUGATED PIPE SHALL CONFORM TO WSDOT CONJUNCTION WITH ALL CLEARING AND GRADING TO ENSURE THAT NO
THE FIELD.THE CONTRACTOR SHALL BE SOLELY RESPONSIBLE FOR ANY AND ALL STD.SPEC.9-05.1(2)FOR ZINC COATED OR ALUMINUM COATED CORRUGATED TRANSPORT OF SEDIMENT TO SURFACE WATERS OCCURS. 22. ASSURE THAT WASHOUT OF CONCRETE TRUCKS IS PERFORMED OFFSITE OR IN
DAMAGE TO UNDERGROUND UTILITIES AND IMPROVEMENTS RESULTING FROM IRON OR STEEL DRAIN PIPE.COUPLING BANDS SHALL CONFORM TO STD.SPEC. DESIGNATED CONCRETE WASHOUT AREAS ONLY.DO NOT WASH OUT CONCRETE
HIS OPERATION. 9-05.1(2)A.PIPE INSTALLATION SHALL BE IN ACCORDANCE WITH STD.SPEC.7-08.3. 4. THE CONTRACTOR MUST NOT ALLOW SOILS TO REMAIN EXPOSED AND TRUCKS ONTO THE GROUND,ROADS,OR CREEKS.DO NOT DUMP EXCESS
UNWORKED FOR MORE THAN THE TIME PERIODS SET FORTH BELOW TO PREVENT CONCRETE ON SITE,EXCEPT IN DESIGNATED CONCRETE WASHOUT AREAS.
3. ALL SAFETY STANDARDS AND REQUIREMENTS SHALL BE COMPLIED WITH AS SET 21. THE CONTRACTOR WILL SUPPLY THE SITE WITH A PORTABLE TOILET SO THAT EROSION:
FORTH BY OSHA,WISHA AND WASHINGTON STATE DEPARTMENT OF LABOR AND SOLID OR LIQUID WASTE WILL NOT BECOME A SOURCE OF STORMWATER 23. CONTRACTORS MUST MAINTAIN AND REPAIR ALL TEMPORARY AND PERMANENT
INDUSTRIES.THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING POLLUTION. DURING THE DRY SEASON(MAY 1-SEPT.30):7 DAYS SWPP BMPS AS NEEDED TO ASSURE CONTINUED PERFORMANCE OF THEIR
ADEQUATE SAFEGUARDS,SAFETY DEVICES,PROTECTIVE EQUIPMENT, DURING THE WET SEASON(OCTOBER 1-APRIL 30):2 DAYS INTENDED FUNCTION IN ACCORDANCE WITH BMP SPECIFICATIONS.
FLAGGERS AND ANY OTHER NEEDED ACTIONS TO PROTECT THE LIFE,HEALTH 22. THE CONTRACTOR SHALL BE RESPONSIBLE FOR ALERTING THE APPROPRIATE
AND SAFETY OF THE PUBLIC,AND TO PROTECT PROPERTY IN CONNECTION WITH AUTHORITIES IN THE EVENT OF A HAZARDOUS SPILL. 5. PRIOR TO THE BEGINNING OF THE WET SEASON,ALL DISTURBED AREAS SHALL 24. CONTRACTORS MUST REMOVE ALL TEMPORARY SWPP BMPS WITHIN 30 DAYS
THE PERFORMANCE OF WORK VOERED BY THE CONTRACTOR. BE REVIEWED TO IDENTIFY WHICH ONES CAN BE SEEDED IN PREPARATION FOR AFTER ACHIEVING FINAL SITE STABILIZATION OR AFTER THE TEMPORARY BMPS
23. THE CONTRACTOR SHALL BE ABLE TO PERFORM BASIC CONTROL,CONTAINMENT, THE WINTER RAINS.DISTURBED AREAS SHALL BE SEEDED WITHIN ONE WEEK OF ARE NO LONGER NEEDED.
1 4. ANY WORK WITHIN THE TRAVELED RIGHT-OF-WAY THAT MAY INTERRUPT NORMAL AND/OR CONFINEMENT OPERATIONS WITHIN THE CAPABILITIES OF THE THE BEGINNING OF THE WET SEASON.
TRAFFIC FLOW SHALL REQUIRE AT LEAST ONE FLAGGER FOR EACH LANE OF RESOURCES AND PERSONNEL PROTECTIVE EQUIPMENT AVAILABLE. IN OTHER 25. THE SWPP BMPS SHALL BE INSPECTED DAILY BY THE CONTRACTOR AND
TRAFFIC AFFECTED.ALL SECTIONS OF WSDOT SEC.1-10-TEMPORARY TRAFFIC WORDS,SMALL SPILLS,SUCH AS PAINT OR OIL,SHALL BE PROMPTLY AND FULLY 6. ANY AREAS OF EXPOSED SOILS,INCLUDING ROADWAY EMBANKMENTS,THAT MAINTAINED TO ENSURE CONTINUED PROPER FUNCTIONING,WRITTEN RECORDS
CONTROL SHALL APPLY. COLLECTED AND DISPOSED OF AT A SUITABLE DISPOSAL SITE. WILL NOT BE DISTURBED FOR TWO CONSECUTIVE DAYS DURING THE WET SHALL BE KEPT OF WEEKLY REVIEWS OF THE SWPPP BMPS.
SEASON OR SEVEN DAYS DURING THE DRY SEASON SHALL BE IMMEDIATELY
5. CONTRACTOR SHALL CONTACT AND MEET WITH PAUL SCHOENING(ADJACENT 24. IN THE EVENT OF A SIGNIFICANT SPILL,A FISH KILL,AND/OR IF FISH ARE STABILIZED WITH THE APPROVED SWPPP METHODS
PROPERTY OWNER TO NORTH)TO DETERMINE ALL ACCESS REQUIREMENTS TO OBSERVED IN DISTRESS THE WASHINGTON STATE DEPARTMENT OF ECOLOGY CONSTRUCTION SEQUENCE:
THE SITE THROUGH SCHOENING'S PROPERTY,CONFORM TO ALL OF (800.258.5990)AND THE WASHINGTON STATE DEPARTMENT OF FISH AND 7. BEFORE BEGINNING LAND-DISTURBING ACTIVITIES,INCLUDING CLEARING AND
SCHOENING'S REQUIREMENTS FOR USE OF GATES,LIMITATIONS ON TRAFFIC WILDLIFE'S AREA HABITAT BIOLOGIST,GLORIA ROGERS(360.249.1293),SHALL BE GRADING,CLEARLY MARK ALL CLEARING LIMITS,SENSITIVE AREAS AND THEIR 1. HOLD THE PRE-CONSTRUCTION MEETING.
ACROSS PRIVATE AIRSTRIP,CLEARING BRUSH ON ACCESS ROADS,ETC. NOTIFIED IMMEDIATELY. BUFFERS WITH SURVEY TAPE OR FENCING PRIOR TO CONSTRUCTION.DURING
RESTORE ALL OF SCHOENING ACCESS ROADS THAT ARE USED TO PRIOR OR THE CONSTRUCTION PERIOD,NO DISTURBANCE BEYOND THE CLEARING LIMITS 2. POST SIGN WITH NAME AND PHONE NUMBER OF SWPP SUPERVISOR AS
BETTER CONDITION FOLLOWING COMPLETION OF CONSTRUCTION. 25. NO CONSTRUCTION SHALL TAKE PLACE WHEN WINTER CREEK IS FLOWING. SHALL BE PERMITTED.THE CLEARING LIMITS SHALL BE MAINTAINED BY THE REQUIRED BY MASON COUNTY.
CONTRACTOR FOR THE DURATION OF CONSTRUCTION.
6 CONSTRUCTION NOISE SHALL BE LIMITED PER MASON COUNTY CODE. 26. NO TEMPORARY OR PERMANENT STORMWATER FLOWS SHALL BE DISCHARGED 3. FLAG OR FENCE CLEARING LIMITS.
DIRECTLY INTO LILLIWAUP CREEK,WINTER CREEK,OR BEARDSLEY CREEK. 8. RETAIN THE DUFF LAYER,NATIVE TOP SOIL,AND NATURAL VEGETATION IN AN
7. ALL SURVEYING AND STAKING OF IMPROVEMENTS IS TO BE PROVIDED BY THE UNDISTURBED STATE TO THE MAXIMUM DEGREE PRACTICABLE. 4. INSTALL PERIMETER PROTECTION(SILT FENCE,BRUSH BARRIER,ETC.).
CONTRACTOR. 27. THE WDFWS HPA PROVISIONS.SPECIFIC TO THE PROPOSED PROJECT,SHALL BE
9. LIMIT CONSTRUCTION VEHICLE ACCESS AND EXIT TO ONE ROUTE.STABILIZE 5. CONSTRUCT TEMPORARY SURFACE WATER CONTROLS(INTERCEPTOR DIKES,
8. ALL APPROVALS AND PERMITS REQUIRED BY THE COUNTY SHALL BE OBTAINED STRICTLY ADHERED TO. ACCESS POINTS WITH A PAD OF QUARRY SPALLS,CRUSHED ROCK,OR OTHER PIPE SLOPE DRAINS,ETC.)SIMULTANEOUSLY WITH CLEARING AND GRADING.
BY THE CONTRACTOR PRIOR TO THE START OF CONSTRUCTION. EQUIVALENT BMPS,TO MINIMIZE TRACKING SEDIMENT ONTO ROADS.
6. MAINTAIN EROSION CONTROL MEASURES IN ACCORDANCE WITH WASHINGTON
9. A PRE-CONSTRUCTION MEETING SHALL BE HELD WITH MASON COUNTY PRIOR TO 10. IF SEDIMENT IS TRACKED OFF SITE,CLEAN THE AFFECTED ROADWAY STATE DEPARTMENT OF ECOLOGY STANDARDS AND MANUFACTURER'S
THE START OF CONSTRUCTION. THOROUGHLY AT THE END OF EACH DAY,OR MORE FREQUENTLY AS RECOMMENDATIONS.
NECESSARY.
10. THE CONTRACTOR SHALL BE FULLY RESPONSIBLE FOR THE LOCATION AND 7. RELOCATE EROSION CONTROL MEASURES,OR INSTALL NEW MEASURES SO THAT
PROTECTION OF ALL EXISTING UTILITIES.THE CONTRACTOR SHALL VERIFY ALL 11. PROVIDE AND MAINTAIN NATURAL BUFFERS AROUND SURFACE WATERS,DIRECT AS SITE CONDITIONS CHANGE,THE EROSION AND SEDIMENT CONTROL IS
UTILITY LOCATIONS PRIOR TO CONSTRUCTION BY CALLING THE UNDERGROUND STORMWATER TO VEGETATED AREAS TO INCREASE SEDIMENT REMOVAL AND ALWAYS IN ACCORDANCE WITH THE WASHINGTON STATE DEPARTMENT OF
LOCATE LINE AT 811 A MINIMUM OF 48 HOURS PRIOR TO ANY EXCAVATION. MAXIMIZE STORMWATER INFILTRATION. ECOLOGY STANDARDS EROSION AND SEDIMENT CONTROL STANDARDS.
11. ALL PIPE AND APPURTENANCES SHALL BE LAID ON A PROPERLY PREPARED 12. THE CONTRACTOR MUST CONTROL STORMWATER VOLUME AND VELOCITY 8. CLEAR AND GRUB WITHIN ESTABILISHED CLEARING LIMITS. REMOVE TREE
FOUNDATION IN ACCORDANCE WITH WSDOT SPECIFICATIONS.THIS SHALL WITHIN THE SITE TO MINIMIZE SOIL EROSION. STUMPS AND BRANCHES,FROM WINTER CREEK AREA
INCLUDE LEVELING AND COMPACTING THE TRENCH BOTTOM,THE TOP OF THE 9. EXCAVATE AND GRADE NEW WINTER CREEK CHANNEL AS SHOWN ON THE PLAN
FOUNDATION MATERIAL,AND ANY REQUIRED PIPE BEDDING,TO A UNIFORM 13. THE CONTRACTOR MUST MINIMIZE THE DISTURBANCE OF STEEP SLOPES.
GRADE SO THAT THE ENTIRE PIPE IS SUPPORTED BY A UNIFORMLY DENSE SET.BACKFILL AND COMPACT EXISTING CHANNEL WITH NATIVE MATERIAL PER
UNYIELDING BASE. 14. THE CONTRACTOR SHALL CONSTRUCT CUT-AND-FILL SLOPES IN A MANNER TO PLANS.
MINIMIZE EROSION.APPLICABLE PRACTICES INCLUDE,BUT ARE NOT LIMITED TO,
12. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER REDUCING CONTINUOUS LENGTH OF SLOPE WITH TERRACING AND DIVERSIONS, 10. INSTALL ARMORING ALONG EAST SIDE SLOPE OF NEW CHANNEL AND ROCK DROP
CONSTRUCTION IS IN PROGRESS.CONTRACTOR SHALL MAINTAIN A SET OF REDUCING SLOPE STEEPNESS,AND ROUGHENING SLOPE SURFACES STRUCTURES IN BOTTOM.
AS-BUILT DOCUMENTS DURING CONSTRUCTION AND PROVIDE A COMPILED SET 11. COVER ALL AREAS THAT WILL BE UNWORKED FOR MORE THAN SEVEN DAYS
OF DRAWINGS TO THE OWNER UPON PROJECT COMPLETION. 15. THE CONTRACTOR MUST DIVERT OFF-SITE STORMWATER OR GROUND WATER
AWAY FROM SLOPES AND DISTURBED AREAS WITH INTERCEPTOR DIKES,PIPES, DURING THE DRY SEASON OR TWO DAYS DURING THE WET SEASON WITH STRAW,
13. ALL WORK SHALL CONFORM TO THESE APPROVED DRAWINGS. ANY CHANGES TO AND/OR SWALES. WOOD FIBER MULCH,COMPOST,PLASTIC SHEETING,OR EQUIVALENT.
THE DESIGN SHALL BE REVIEWED BY THE RESIDENT ENGINEER AND APPROVED
BY MASON COUNTY PRIOR TO IMPLEMENTATION. 16. OFF-SITE STORMWATER SHOULD BE MANAGED SEPARATELY FROM 12. SEED AND STABILIZE ANY AREAS TO REMAIN UNWORKED FOR MORE THAN 30
STORMWATER GENERATED ON THE SITE. DAYS.
14. AS A CONDITION OF LILLIWAUP FALLS GENERATING CO.'S FERC LICENSE,A
MINIMUM SPILL OF 5 CFS SHALL BE MAINTAINED OVER THE FALLS AT ALL TIMES. 17. AT THE TOP OF SLOPES,COLLECT DRAINAGE IN PIPE SLOPE DRAINS OR 13. INSTALL RESTORATION PLANTINGS PER PLANS.
PROTECTED CHANNELS TO PREVENT EROSION.
15. EXISTING SAND AND GRAVEL MATERIAL THAT IS EXCAVATED FROM THE NEW 14. STABILIZE ALL AREAS WITHIN SEVEN DAYS OF REACHING FINAL GRADE.
CHANNEL SHALL BE USED TO BACKFILL THE EXISTING CHANNEL.FILL SHALL BE 18. CONTRACTOR SHALL PLACE EXCAVATED MATERIAL ON THE UPHILL SIDE OF
PLACED PER WSDOT STD.SPEC.2-03.3(14)B.COMPACT FILL PER STD.SPEC. TRENCHES,CONSISTENT WITH SAFETY AND SPACE CONSIDERATIONS. 15. REMOVE TEMPORARY BMPS AFTER MASON COUNTY HAS APPROVED
CONSTRUCTION.
2-03.3(14)C,METHOD C. 19. PROVIDE COVER,CONTAINMENT,AND PROTECTION FROM VANDALISM FOR ALL
16. LARGE ANGULAR ROCK FOR CHANNEL ARMORING SHALL CONSIST OF 3-TO CHEMICALS,LIQUID PRODUCTS,PETROLEUM PRODUCTS,AND OTHER MATERIALS
4-MAN ANGULAR GRANITE ROCK.ROCK SHALL CONFORM TO WSDOT STD.SPEC. THAT HAVE THE POTENTIAL TO POSE A THREAT TO HUMAN HEALTH OR THE •
9 13 7(1)
ENVIRONMENT.ON-SITE FUELING TANKS MUST INCLUDE SECONDARY ,
CONTAINMENT.SECONDARY CONTAINMENT MEANS PLACING TANKS OR
CONTAINERS WITHIN AN IMPERVIOUS STRUCTURE CAPABLE OF CONTAINING
110%OF THE VOLUME CONTAINED IN THE LARGEST TANK WITHIN THE Know what's below.
FOR PERMIT REVIEW Call before you dig.
DESIGNED: CHECKED: DATE:
S.MORALES M.KWOLEK LILLIWAUP FALLS POWER PROJECT DECEMBER 21,2012
WINTER CREEK CHANNEL RELOCATION AT LILLIWAUP FALLS JOB NO:
HALFJACOBS ASSOCIATES
DRAWN: APPROVED: 4435.0
D.LILLY F.PITA DRAWING NO:
Engineers/Consultants HORZ SCALE: VERT SCALE: NOTES 6
No. REVISION BY APPD
N/A SHEET NO: F
6 11
WIRE MESH FENCE WITH
FILTER FABRIC MATERIAL / \ \
1 MAXIMUM I I\\ \
NO FILL 4r / \ / // / / 24" CEDAR I
WITHIN 4 FT. 10 0 �0 \
<�V�! OF FENCE I \ / / /
NEWLY GRADED OR STEEL T-BAR \
DISTURBED SLOPE POST
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gp°/p / 30" CEDAR
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I 'i ❑pia°IO°�/ / // / _ —
/BURY BOTTOM OF FILTER FABRIC I / /° / /� p{,°° � / — _ 18" ALDER
MATERIAL WITH EXCAVATED MATERIAL TN LS# 17 `�O o 5 �� LIMITS OF/
CONGTRGCTION
TYPICAL CROSS SECTION �l0°
WIRE MESH FENCE 1 !! p tl r I TNLS 19
WITH FILTER b p �,�` #
FABRIC MATERIAL
p
6 GRAVEL REMOVETREE
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HYDR EED AND I p p o p °o ` ' \\\\` \ / �� ( /�/ / ,/ / // j///// / j/// rv✓�Y
/ / / _ E 18" CMP� 321.2 / `/ / / / / j / //T/of
ELM / JUT TTING ( \ / j' Ii j'
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—— — — — , .a\ a 18" FIR o 0 o p ❑ \ FEET8
MANENT 9R�AORI G
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BURY BOTTOM OF FILTER FABRIC
MATERIAL WITH EXCAVATED A PIS GOES INT BA�1K
ELEVATION MATERIAL / / / / 13" /CEDA \ / �1
NOTES: \ a ❑ \
1. FENCE SHALL NOT BE INSTALLED ON SLOPES STEEPER THAN 2:1. / / / / I / ° o I I \PROTECT TREE
/ / \ 48" MAPLE
2. JOINTS IN FILTER FABRIC SHALL BE OVERLAPPED 61NCHES AT ❑
POST. / 24 FIR i ,o°
3. USE STAPLES,WIRE RINGS,OR EQUIVALENT TO ATTACH FABRIC / // — / / / .i p o ao a ao / J) 4' C P\I E = 3 7'
TO WIRE FENCE. % ❑p p _ ' i L /
/ / °�❑° ° p ° _ 1`I \ MM/l��IINTAIN xiRAVEKK ROAD OR / I
1❑❑ a p ❑ 319 — / E .YY T IEND F CdNSTR CTION 14CCESIS / 1
4. REMOVE SEDIMENT WHEN IT REACHES 1/3 FENCE HEIGHT. I ( / I / / 'o� o a ❑ TUN E� 12P0 1 y I )
DETAIL - SILT FENCE 1 \ 3" CEDAR
SCALE: NTS I I I I \ o / // / '�❑a o \ /� \ j i J = =f ��— — —1— I I //
p /_____ —I—
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4/8" CEDAR
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/ 16" CEIIAR ( m /
/ // GRAVAPPREL. TOP OF
/
APPROX. INTAKE STRUCTURE —
SILT FENCE?
/ / J rE� // / r-��A TION sEE 1
,6" FIR r i/ / OF KELLY BLK WALL e
APPROX. LOCATION OF CONC WALL
AT TOP OF WATER FALL
/
/ Know what's below.
FOR PERMIT REVIEW Call before you dig.
DESIGNED: CHECKED: LILLIWAUP FALLS POWER PROJECT DATE:
S.MORALES M.KVNDLEK DECEMBER 21,2012
Qp�N7 WINTER CREEK CHANNEL RELOCATION AT LILLIWAUP FALLS JOB NO:
e- DRAWN: APPROVED: 4435.0
=6" D.LILLY F.PITA DRAWING NO:
Engineers/Consultants HORZSCALE: VERTSCALE: STORM WATER POLLUTION PREVENTION PLAN S 7
No REVISION BY APPD
1"-20' HEET NO: OF
7 11
NOTES: LEGEND:
MATCHLINE SEE BELOW
_ _ O EXTEND EXISTING 18-INCH METAL CULVERT APPROXIMATELY 25'INTO NEW
// / / CONSTRUCT ANCHORCHOR PO)�T� _ CHANNEL.SET PIPE INVERT AT BOTTOM OF NEW CHANNEL.SLOPE PIPE TO - — 440 - EXISTING TOPOGRAPHY-5'CONTOURS
/ OD END NEW C NEL / // ��� / //�/ 4-MPANOROCK5A RT-SO4 DEGREES DRAIN.JOIN NEW PIPE TO EXISTING WITH COMPATIBLE STEEL COUPLING. _ _ _ EXISTING TOPOGRAPHY-I'CONTOURS
� /// / // FROM EXISTING CHANNEL O2 LOCATE AND EXCAVATE BURIED(EAST)ENDS OF 18"CMP AND 4"CPEP.REMOVE
BURIED* 4"PIPE IF POSSIBLE.CLEAR ALL DEBRIS FROM INSIDE PIPES.INSTALL CATCH 3222 PROPOSED ELEVATION
24" CEDAR BASIN OR INLET AS REQUIRED TO INTERCEPT FLOW AT UPSTREAM END OF ✓
10 /0 10 20 PIPES.COORDINATE WORK WITH ENGINEER. EXISTING CREEK CHANNEL
USE EXISTING SCATTERED ECOLOGY BLOCKS TO REPAIR/REINFORCE THE BACK
OF THE EXISTING BLOCK WALL.INSTALL APPROXIMATELY 16 LF OF BLOCKS ROCK ARMORING
FEET ALONG THE BACK OF EXISTING WALL,3 TO 4 BLOCKS HIGH.EXCAVATE NEW
WALL SECTION TO THE SAME DEPTH AS EXISTING WALL.TOP ELEVATION OF
30" CEDAR NEW BLOCKS SHALL MATCH THE EXISTING WALL. ROCK DROP STRUCTURE 9
—
I 18" ALDER
TNLS# 17 C // III ,32 / / / -_ -_ ✓/ // NORTHING EASTING STATION
ROTECT EXISTING / AO 79M9.6220 992216.4954 0+00.00
I III _ LEAF CLEANERS 19
\ C `1 1 ��'` / / , O 790700.5639 992234.6597 0+63.40
790729.1570 992229.3870 0+92.47323
790754.9445 992247.1711 1+23.80
/ GRAVEL
�oG�� I � \ \ \N�\ l �\ // // i �� // /�
/ o \\\ / �\ roc / / ,// / / � / / 7 / I 111111
2
�C NEL BANK
/ I
STEEPER70PROTECT I \\ IE 18" CMP(= 321.2
I 1\
EXISTING TREES
\ \ r l - - - -' � � - -�z- - - i// // / \\ TNLS 1 \\\
/ 13" /CEDAR \ 1 / E OES INTO BANK \ ( \ / / / / / - _ \ / / / / 48" CEDAP\ / \
z\ \
FIR / / ' ,2.- / III \I \ \ �.\ \\\
/ A \ \4„ C P\IE = 3 77
319 — =3321= / I S� / IE WJS(TIEtDeF � I111 II\ \
I 3 TJNIJE =\ �12.0
cE,6AR// N s ' \ j j% " / / \
/�'� _�/;//��/ ����/////�— \��\�o•--- —___,---- /J j3n / /\1 I/II / oGATE /APPF O4/8" CEDAR ON 0
_T6 �o g� E c 0�
I 11\I I I
I
I I/
APPROX. TOP OF
I
GRAVEL = 311.5 / /` I / z I
INTAKE STRUCTURE —
f3A/fj APPROX. LOCATION EXISTING ECOLOGY BLOCK WALL TO REMAIN
KELLY ELK WALL -330— —
FRONT EDGE OF /� / / � //EXISTING BLOCK WAL -
LILLIWAUP CREEK
BEGIN NEW CHANNEL
APPROX. LOCATION OF CONC WALL
AT TOP OF WATER FALL_ FOR PERMIT REVIEW / I what's below.
MATCH INE SEE ABOVECaII before you dig.
DESIGNED: CHECKED: DATE:
S.MORALES M.KWOLEK LILLIWAUP FALLS POWER PROJECT DECEMBER 21,2012
Qp�Ni R WINTER CREEK CHANNEL RELOCATION AT LILLIWAUP FALLS JOB NO:
_ y- DRAWN: APPROVED: 4435.0
D.LILLY F.PITA DRAWING NO:
-� Engineers/Consultants HORZSCALE: VERTSCALE: CHANNEL LAYOUT&GRADING PLAN 8
No. REVISION BY APP'D
1"-10'-0" 1"-10'-0" SHEET NO: OF
8 11
340 340
ISTI TO OF K
PROPOSED C N L EXIS NG HAN L
RE OCA ON OREIMN _
PR POS D C N TO OF K ISTI G GR kDE A T CEP ERL NE -- - -- -- - -- -- - -- -
CFEXITTINGICHAhNEL -
330
320 /
320
PROPOSE PROPOSE1 C1W INEL VIES EDG
PRO OSEd CHA NEL EAST EDG
310 310
S o o 0 0 8 o R 8 S S 8 8 R N S > e 3 $ 8
A N M A
WINTER CREEK PROFILE
SCALE: HORZ 1"=10'-0",VERT 1"=5'-0" g
I B
326 326
azs 32s I LL 1 I _ BANKFULL STAGE
_ - - - - - - - 1 NBANK'14 3za BANK KEY
MEAN LOW WATER
STA0+15.00322 322 320 - 320 A A
318 318
R o R R SECTION A-A PLACE ROCKS ON BED
Y W
WITHOUT EXCAVATION
BACKFILL EXISTING
PROPOSED(TYP) CHANNEL(TYP) I FLOE ---�
- EXISTING(TYP)
330 330 2-MAN ROUND
w
328 328
PLUNGE GRANITE ROCK
-
_ _ POOL
B 326 - -- - - - - 326 -___-
B _-_--
- 324 324 I WIDTH VARIES -___-_-
STA 0+50.00 r BEDLOAD DEPOSITED
322 322 PLAN VIE1N AGAINST STRUCTURE
SECTION B-B
320 320 ROCK DROP STRUCTURE
R e o R Y SCALE: NTS
8 3-TO 4-MAN ANGULAR GRANITE ROCK,PLACE
ROCKS INDIVIDUALLY SO THEY ARE KEYED
' --- ------------------------------- --- TOGETHER AND FORM TIGHT ARMOR
3
330 330
1
1 8'TO 12'PER PLAN
328 - - - - - - 328
C 5 0 5 10
8 326 141 326
BACKFILL AND COMPACT
.• _
LL
STA 1+00.00 32a _ - - - - 32a REPLANT SIDE SLOPE WITH WITH NATIVE SOIL FEET
322 322
NATIVE VEGETATION-SEE \/ — EXISTING CHANNEL
RESTORATION PLAN
FILTER FABRIC •
3zo 3z0 EXCAVATE TO MIN.24"BELOW GRADE J
o
NEW GRADES �� MIN 1'THICK FILTER LAYER OF �
QUARRY SPALLS 8
TYPICAL CHANNEL SECTION Know what's below.
SCALE: NTS STA 0+00TO STA 1+25 8 FOR PERMIT REVIEW Call before you dig.
`i
DESIGNED: CHECKED: DATE:
S.MORALES M.KIMOLEK LILLIWAUP FALLS POWER PROJECT DECEMBER 21,2012
Q��Nr WINTER CREEK CHANNEL RELOCATION AT LILLIWAUP FALLS ,JOB NO:
o,- IFJACOBS DRAWN: APPROVED: 4435.0
=6 D.LILLY F.PITA DRAWANG NO:
Engineers/Consultants HORZSCALE: vERTscALE: CREEK PROFILE&CROSS SECTIONS s
No. REVISION BY APP'D SHEET NO: OF
LEGEND:
aaa EXISTING TOPOGRAPHY-5'CONTOURS /� \ /�� /J ��, ///� �• / 24" CEDAR — — 10 I }\V A A
/ 0 10 \
EXISTING TOPOGRAPHY-1'CONTOURS 2(1 \
LIMITS OF RESTORATION7E II \ \
® LARGE ANGULAR ROCK 30' CEDAR
COMPACTED NATIVE SAND AND GRAVEL I / / + / / ,+�+r +y I / // // — — 018" ALDER j^ \ ///
TNLS# 17 //`�. f; t��' /
NATIVE PLANTING(THROUGH JUTE MATTING)
TNLS# 19
RESTORATION PLANTING GENERAL NOTES: EIYA
GRAVEL
1. PLANTS SHALL BE INSTALLED USING BEST MANAGEMENT PRACTICES.
2. QUALIFIED LANDSCAPERS OR FORESTERS WHO ARE FAMILIAR WITH NATIVE
PLANTS WILL INSTALL THEM BY HAND.
If
3. ORGANIC MULCH MAY BE USED AS REQUIRED IN THE BUFFER AREAS. NO — /
FERTILIZER SHALL BE APPLIED ON HAND INSTALLED VEGETATION IN THE BUFFER I I / �, `',i,`,'` ,' + I E 18" CMf�= 321.2 \ / / / / / / //T
AREAS.
INVASIVE VEGETATION SHALL BE REMOVED FROM THE BUFFER PLANTING AREAS I / / /1 \ /\ \ — / J / —/ / /
a I / / 18" FIR / ', \ _= �E- 4=CMP 42r
Bt 70RE PLANTING COMMENCES. / o •'; '? �.-:
'ter)SPECIES ARE INDIGENOUS TO THE PROPOSED PROJECT AREA./ I / / —ft ^'- !
5. RECOMMEND _ / / 12" FIT.r {
ADDITIONAL SPEGtf APPROVED BY MASON COUNTY OR THE WDFW MAY BE /
USED TO SUPPLEMENT RE :^"AMENDED SPECIES. / \ \
13" /CEDAR GOES INT BANK
6. HYDROSEED THE WEST CREEK BANK AREA,ANu;:"1 L OTHER DISTURBED �\
VEGETATED AREAS,IN ACCORDANCE WITH WDOE'S BMP'a'.SEF SEEDING NOTES
ON SHEET11 / / / / / / / / \
\ ``.....:. - 48" MAPLES \\ /C ( �•� / �---t -_C-
7. INSTALL BARE ROOT OR ONE GALLON PLANTS THROUGH THE JUTE MATTING. K111 / ' + y++ + + +�~ ' < \ / I
AFTER HYDROSEEDING HAS BEEN COMPLETED. / / 24' FIR /� ::'." �4�:=�::= `;' :�'r \ \
B. INSTALL AT LEAST SIX DIFFERENT SPECIES FROM THE FOLLOWING LIST, / , +INCLUDING TWO THAT ARE DECIDUOUS,AT 5 FEET ON CENTER,RANDOMLYjIN / '\',' ,THE AREA TO BE PLANTED: / I / 9t9l 5(TIE�D eF`it�EWESTERN RED CEDAR(THUJA PLICATA), 3" CE,6ARDOUGLAS-FIR(PSEUDOTSUGAMENZIESII),• SITKA SPRUCE(PICEA SITCHENSIS),• GRAND FIR(ABIES GRANDIS), / / I I ° / / ',{ �J// ';''<<-: �n ! ✓ _ _}—
• WESTERN HEMLOCK(TSUGA HETEROPHYLLA), \\ ` � / MATE 1 I / /
/ / III / i / \ ,/ .. \ -� L � / TT- � � - -
• VINE MAPLE(ACER CIRCINATUM), I l / /
r /
A d — /4 CE R /
• IFI WILLOW SALIX LASIANDRA I � — —
I
• HOOKER WILLOW(SALIX HOOKERIANA), I / / I I I ` `��• SCOULER HALLOW(SALIX SCOULERIANA),
• RED-OSIER DOGWOOD(CORNUS STOLONIFERA). / 16" CEDAR I m
M / / / / / /�/ APPROX. TOP OF
/ / //j /�/ GRAVEL = 311.5
APPROX. INTAKE STRUCTURE
14 ZEf34/fj�/// / LOCATION
FIR I / / // / OF KELLY BLK WALL — —
� / / /i LILLIWAUP CREEK
= CF�9A / / / APPROX. LOCATION OF CONC WALL
AT TOP OF WATER FALL
/ T
I REVIEW Know what's below.
FOR PERM Call before you dig,
DESIGNED: CHECKED: DATE:
SMORALES MKW'OLEK LILLIWAUP FALLS POWER PROJECT DECEMBER 21,2012
WINTER CREEK CHANNEL RELOCATION AT LILLIWAUP FALLS JOB NO:
ro� B DRAWN: APPROVED: 4 NO:
�= D LILLY F PITA DRAWING NO:
Engineers/Consultants HORZSCALE: VERTSCALE: RESTORATION PLAN 10
No. REVISION BY APP'D SHEET NO: OF
1"=5'-0"
10 11
TEMPORARY&PERMANENT SEEDING NOTES: 14. SEED MIXES SHALL BE APPLIED AT A RATE OF 120 POUNDS PER ACRE. THIS RATE CAN BE
REDUCED IF SOIL AMENDMENTS OR SLOW-RELEASE FERTILIZERS ARE USED. LOCAL
1. AT FINAL SITE STABILIZATION,ALL DISTURBED AREAS NOT OTHERWISE VEGETATED OR SUPPLIERS OR THE LOCAL CONSERVATION DISTRICT SHOULD BE CONSULTED FOR THEIR
STABILIZED SHALL BE SEEDED AND MULCHED. FINAL STABILIZATION MEANS THE COMPLETION RECOMMENDATIONS BECAUSE THE APPROPRIATE MIX DEPENDS ON A VARIETY OF FACTORS,
OF ALL SOIL DISTURBING ACTIVITIES AT THE SITE AND THE ESTABLISHMENT OF A PERMANENT INCLUDING LOCATION,EXPOSURE,SOIL TYPE,SLOPE AND EXPECTED FOOT TRAFFIC.THE
VEGETATIVE COVER,OR EQUIVALENT PERMANENT STABILIZATION MEASURES WHICH WILL FOLLOWING SEED MIXES MAY BE APPROPRIATE FOR APPLICATION AT THE PROPOSED
PREVENT EROSION.REFER TO WSDOT SECTION B-01 EROSION CONTROL AND WATER PROJECT SITE:
POLLUTION CONTROL.
LOW-GROWING TURF SEED MIX
2. THE OPTIMUM SEEDING WINDOWS FOR WESTERN WASHINGTON ARE APRIL 1 THROUGH JUNE
30;AND SEPTEMBER 1 THROUGH OCTOBER 1. SEEDING THAT OCCURS BETWEEN JULY 1 AND %WEIGHT %PURITY %GERMINATION
AUGUST 30 WALL REQUIRE IRRIGATION UNTIL 75%GRASS COVER IS ESTABLISHED.SEEDING DWARF TALL FESCUE(FESTUCA ARUNDINACEA VAR.) 45 98 90
BETWEEN OCTOBER 2 AND MARCH 30 IS NOT RECOMMENDED FOR THIS PROJECT. DWARF PERENNIAL RYE(LOLIUM PERENNE VAR.BARCLAr 30 98 90
RED FESCUE(FESTUCA RUBRA) 20 98 90
3. TO PREVENT SEED FROM BEING WASHED AWAY,CONFIRM THAT ALL REQUIRED SURFACE COLONIAL BENTGRASS(AGROST/S TNEUIS) 5 98 90
WATER CONTROL MEASURES HAVE BEEN INSTALLED.
4. THE SEEDBED SHOULD BE FIRM AND ROUGH.ALL SOIL SHOULD BE ROUGHENED NO MATTER MEADOW SEED MIX
WHAT THE SLOPE.IF COMPACTION IS REQUIRED FOR ENGINEERING PURPOSES,SLOPES MUST
BE TRACK WALKED BEFORE SEEDING.BACKBLADING OR SMOOTHING OF SLOPES GREATER %WEIGHT %PURITY %GERMINATION
THAN 4:1 IS NOT ALLOWED IF THEY ARE TO BE SEEDED. REDTOP OR OREGON BENTGRASS(AGROSTIS ALBA 20 92 85
OR AGROSTIS OREGONENSIS)
5. WHEREVER PRACTICAL THE SUBGRADE SHOULD BE INITIALLY RIPPED TO IMPROVE RED FESCUE(FESTUCA RUBRA) 70 98 90
LONG-TERM PERMEABILITY,INFILTRATION,AND WATER INFLOW QUALITIES.AT A MINIMUM, WHITE DUTCH CLOVER(TRIFOLIUM REPENS) 10 98 90
PERMANENT AREAS SHALL USE SOIL AMENDMENTS TO ACHIEVE ORGANIC MATTER AND
PERMEABILITY PERFORMANCE DEFINED IN ENGINEERED SOIULANDSCAPE SYSTEMS.
1 15. THE TURF SEED MIX IS FOR DRY SITUATIONS WHERE THERE IS NO NEED FOR MUCH WATER.
6. ORGANIC MATTER IS THE MOST APPROPRIATE FORM OF"FERTILIZER"BECAUSE IT PROVIDES THE ADVANTAGE IS THAT THIS MIX REQUIRES VERY LITTLE MAINTENANCE.THE MEADOW SEED
NUTRIENTS(INCLUDING NITROGEN,PHOSPHORUS,AND POTASSIUM)IN THE LEAST MIX IS RECOMMENDED FOR AREAS THAT WILL BE MAINTAINED INFREQUENTLY OR NOT AT ALL
WATER-SOLUBLE FORM.A NATURAL SYSTEM TYPICALLY RELEASES 2-10 PERCENT OF ITS AND WHERE COLONIZATION BY NATIVE PLANTS IS DESIRABLE.
NUTRIENTS ANNUALLY.CHEMICAL FERTILIZERS HAVE SINCE BEEN FORMULATED TO SIMULATE
WHAT ORGANIC MATTER DOES NATURALLY. 16. ANY SEEDED AREAS THAT FAIL TO ESTABLISH AT LEAST 80%COVER(100%COVER FOR AREAS
THAT RECEIVE SHEET OR CONCENTRATED FLOWS)SHALL BE RESEEDED. IF RESEEDING IS
7. IN GENERAL,10-4-6 N-P-K(NITROGEN-PHOSPHORUS-POTASSIUM)FERTILIZER CAN BE USED AT INEFFECTIVE,AN ALTERNATE METHOD,SUCH AS SODDING,MULCHING,OR NETS/BLANKETS,
A RATE OF 90 POUNDS PER ACRE.SLOW-RELEASE FERTILIZERS SHOULD ALWAYS BE USED SHALL BE USED.
BECAUSE THEY ARE MORE EFFICIENT AND HAVE FEWER ENVIRONMENTAL IMPACTS. IT IS
RECOMMENDED THAT AREAS BEING SEEDED FOR FINAL LANDSCAPING CONDUCT SOIL TESTS 17. AFTER ADEQUATE COVER IS ACHIEVED,ANY AREAS THAT EXPERIENCE EROSION SHALL BE
TO DETERMINE THE EXACT TYPE AND QUANTITY OF FERTILIZER NEEDED.THIS WILL PREVENT RESEEDED AND PROTECTED BY MULCH. IF THE EROSION PROBLEM IS DRAINAGE RELATED,
OVEi-APPLICATION OF FERTILIZER.FERTILIZER SHOULD NOT BE ADDED TO THE HYDROMULCH THE PROBLEM SHALL BE FIXED AND THE ERODED AREA RESEEDED AND PROTECTED BY
MACHINE,^ND AGITATED MORE THAN 20 MINUTES BEFORE IT IS TO BE USED. IF AGITATED TOO MULCH.
MUCH,THE SLO N RELEASE COATING IS DESTROYED.
8. THERE ARE NUMEROUS PRODUCTS AVAILABLE ON THE MARKET THAT TAKE THE PLACE OF PLANT MONITORING/MAINTENANCE PLAN:
CHEMICAL FERTILIZERS.THESE INCLUDE SEVERAL WITH SEAWEED EXTRACTS THAT ARE
BENEFICIAL TO SOIL MICROBES AND ORGANISMS.IF 100 PERCENT COTTONSEED MEAL IS USED 1. THE PLANTING PLAN SHALL BE MONITORED BY A QUALIFIED BIOLOGIST,FORESTER,OR
AS THE MULCH IN HYDROSEED,CHEMICAL FERTILIZER MAY NOT BE NECESSARY. LANDSCAPER FOR THREE YEARS FOLLOWING INSTALLATION.IN THE EVENT THAT THE
COTTONSEED MEAL IS A GOOD SOURCE OF LONG-TERM,SLOW-RELEASE,AVAILABLE PLANTING PLAN IS INADEQUATE OR FAILS,THE CAUSE OF THE INADEQUACY OR FAILURE
NITROGEN. SHALL BE DETERMINED,AND THEN APPROPRIATE CORRECTIVE MEASURE SHALL BE
IMPLEMENTED.ANY DEAD PLANTS SHALL BE REPLACED.
9. HYDROSEED APPLICATIONS SHALL INCLUDE A MINIMUM OF 1,500 POUNDS PER ACRE OF
MULCH WITH 3 PERCENT TACKIFIER.MULCH MAY BE MADE UP OF 100 PERCENT: COTTONSEED 2. IF MORTALITY IS DUE TO TOO MUCH OR TOO LITTLE WATER OR OTHER SITE-SPECIFIC
MEAL,FIBERS MADE OF WOOD;RECYCLED CELLULOSE,HEMP,AND KENAF,COMPOST,OR CONDITIONS,REPLACEMENT PLANTS WILL BE CHOSEN THAT ARE MORE TOLERANT OF THE
BLENDS OF THESE.TACKIFIER SHALL BE PLANT-BASED,SUCH AS GUAR OR ALPHA PLANTAGO, EXISTING CONDITIONS.
OR CHEMICAL-BASED SUCH AS POLYACRYLAMIDE OR POLYMERS. ANY MULCH OR TACKIFIER
PRODUCT USED SHALL BE INSTALLED PER MANUFACTURER'S INSTRUCTIONS. GENERALLY, 3. INVASIVE OR NON-NATIVE PLANTS THAT ARE DETRIMENTAL TO THE PLANTING PROJECT SHALL
MULCHES COME IN 40-50 POUND BAGS. SEED AND FERTILIZER ARE ADDED AT TIME OF BE REMOVED BY HAND UNTIL INSTALLED VEGETATION BECOMES ESTABLISHED.
APPLICATION.
10, MULCH IS ALWAYS REQUIRED FOR SEEDING. MULCH CAN BE APPLIED ON TOP OF THE SEED
OR SIMULTANEOUSLY BY HYDROSEEDING.
11. WHEN INSTALLING SEED VIA HYDROSEEDING OPERATIONS,ONLY ABOUT 1/3 OF THE SEED
ACTUALLY ENDS UP IN CONTACT WITH THE SOIL SURFACE. THIS REDUCES THE ABILITY TO
ESTABLISH A GOOD STAND OF GRASS QUICKLY. ONE WAY TO OVERCOME THIS IS TO
INCREASE SEED QUANTITIES BY UP TO 50 PERCENT.
12. VEGETATION ESTABLISHMENT CAN ALSO BE ENHANCED BY DIVIDING THE HYDROMULCH
OPERATION INTO TWO PHASES.
PHASE 1—INSTALL ALL SEED AND FERTILIZER WITH 25-30 PERCENT MULCH AND TACKIFIER
ONTO SOIL IN THE FIRST LIFT;
PHASE 2—INSTALL THE REST OF THE MULCH AND TACKIFIER OVER THE FIRST LIFT.
13. AN ALTERNATIVE IS TO INSTALL THE MULCH,SEED,FERTILIZER,AND TACKIFIER IN ONE LIFT.
THEN,SPREAD OR BLOW STRAW OVER THE TOP OF THE HYDROMULCH AT A RATE OF ABOUT
800-1000 POUNDS PER ACRE. HOLD STRAW IN PLACE WITH A STANDARD TACKIFIER. THIS
TECHNIQUE WORKS WITH STANDARD HYDROMULCH(1,500 POUNDS PER ACRE MINIMUM)AND
BFM/MBFMS(3,000 POUNDS PER ACRE MINIMUM). •
o
FOR PERMIT REVIEW Know what's below.
Call before you dig.
DESIGNED: CHECKED: DATE:
S.MORALES M.KWOLEK LILLIWAUP FALLS POWER PROJECT DECEMBER 21,2012
Qp�Nr R WINTER CREEK CHANNEL RELOCATION AT LILLIWAUP FALLS JOB NO:
JACOBS ASSOCIATES DRAWN: APPROVED: 4435.0
Y SCALE o�m D.LILLY F.PITA DRAWING NO:
Engineers/Consultants HORZSCALE: VERTSCALE: RESTORATION NOTES&DETAILS 11
No. REVISION BY APPD N/A SHEET NO: OF
11 11