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w I CITY OF RENTON STANDARD NOTES
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O SANITARY SEWER NOTES AND SPECIFICATIONS
0 1. ALL WORK AND WORK MATERIALS SHALL BE IN CONFORMANCE WITH THE STANDARDS AND SPECIFICATIONS OF THE CITY
W OF RENTON PLANNING /BUILDING/PUBLIC WORKS DEPARTMENT AND THE LATEST EDI7ON OF THE WSDOT/APWA
J STANDARDS AND SPECIFICATIONS, AS APPROVED AND MODIFIED BY THE CITY OF RENTON STANDARD PLANS &
ILL. SPECIFICATIONS. A SET OF APPROVED PLANS SHALL BE KEPT ON SITE AT ALL 71MES DURING CONSTRUCTION.
2. THE HOURS OF WORK IN THE STREET RIGHT OF WAY SHALL BE PER CITY SPECIFICATIONS ON WEEKDAYS UNLESS
07HERWISE APPROVED IN WRITING BY THE PLANNING /BUILDING /PUBLIC WORKS DEPARTMENT. AN APPROVED TRAFFIC
CONTROL PLAN MUST BE OBTAINED PRIOR TO BEGINNING ANY WORK WITHIN PUBLIC RIGHT OF WAY.
EROSION CONTROL NOTES
1. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE - CONSTRUCTION MEETING MUST BE HELD WITH
THE CITY OF RENTON, PUBLIC WORKS DESIGN ENGINEER.
2. ALL LIMITS OF CLEARING AND AREAS OF VEGETATION PRESERVATION AS PRESCRIBED ON 714E PLAN(S) SHALL BE
CLEARLY FLAGGED IN THE FIELD AND OBSERVED DURING CONSTRUCTION.
J. ALL REQUIRED SEDIMENTATIONIEROSION CONTROL FACILITIES MUST BE CONSTRUCTED AND IN OPERATION PRIOR TO LAND
CLEARING AND /OR CONSTRUCTION TO ENSURE THAT SEDIMENT LADEN WATER DOES NOT ENTER THE NATURAL DRAINAGE
SYSTEM. ALL EROSION AND SEDIMENT FACILITIES SHALL BE MAINTAINED IN A SATISFACTORY CONDITION UNTIL SUCH TIME
THAT CLEARING AND /OR CONSTRUCTION IS COMPLETE AND POTENTIAL FOR ON -SITE EROSION HAS PASSED. 774E
IMPLEMENTATION, MAINTENANCE, REPLACEMENT AND ADDITIONS TO EROSIONISEDIMENTA77ON CONTROL SYSTEMS SHALL BE
THE RESPONSIBILITY OF THE PERMITTEE.
4. 714E EROSION AND SEDIMENTATION CONTROL SYSTEMS DEPICTED ON THIS DRAWING ARE INTENDED TO BE MINIMUM
REQUIREMENTS TO MEET ANTICIPATED SI7E CONDITIONS. AS CONSTRUCTION PROGRESSES AND UNEXPECTED OR
SEASONAL CONDITIONS DICTATE, THE PERMITTEE SHALL ANTICIPATE THAT MORE EROSION AND SEDIMENTATION CONTROL
FACILITIES WILL BE NECESSARY TO INSURE COMPLETE SILTATION CONTROL ON THE PROPOSED SITE. DURING THE COURSE
OF CONSTRUCTION, IT SHALL BE THE OBLIGATION AND RESPONSIBILITY OF THE PERMITTEE TO ADDRESS ANY NEW
CONDITIONS THAT MAY BE CREATED BY HIS ACTIVITIES AND TO PROVIDE ADDITIONAL FACILITIES, OVER AND ABOVE
MINIMUM REQUIREMENTS, AS MAY BE NEEDED, TO PR07ECT ADJACENT PROPERTIES AND WATER QUALITY OF THE
RECEIVING DRAINAGE SYSTEM.
5. APPROVAL OF THIS PLAN IS FOR EROSION /SEDIMENTATION CONTROL ONLY. IT DOES NOT CONSTITUTE AN APPROVAL OF
STORM DRAINAGE DESIGN, SIZE NOR LOCATION OF PIPES RES7RICTORS CHANNELS, OR RETENTION FACILITIES.
6. DURING THE 71ME PERIOD OF OCTOBER 1 THROUGH APRIL 30, ALL PROJECT DISTURBED SOIL AREAS GREATER THAN
5,000 SQUARE FEET, THAT ARE TO BE LEFT UNWORKED FOR MORE THAN TWELVE (12) HOURS, SHALL BE COVERED BY
MULCH, SODDING, OR PLASTIC COVERING.
7. IN ANY AREA WHICH HAS BEEN STRIPPED OF VEGETATION AND WHERE NO FURTHER WORK IS ANTICIPATED FOR A PERIOD
OF 30 DAYS OR MORE, ALL DISTURBED AREAS MUST BE IMMEDIATELY STABILIZED WITH MULCHING, GRASS PLANTING OR
07HER APPROVED EROSION CONTROL TREATMENT APPLICABLE TO THE 77ME OF YEAR. GRASS SEEDING ALONE WILL BE
ACCEPTABLE ONLY DURING THE MONTHS OF APRIL THROUGH SEPTEMBER INCLUSIVE SEEDING MAY PROCEED, HOWEVER,
WHENEVER IT IS IN THE INTEREST OF THE PERMITTEE BUT MUST BE AUGMENTED WITH MULCHING, NETTING, OR OTHER
TREATMENT APPROVED BY THE CITY OF RENTON, OUTSIDE THE SPECIFIED TIME PERIOD.
& FOR ALL EROSION /SEDIMENTATION CONTROL PONDS WHERE THE DEAD STORAGE DEPTH EXCEEDS 6 INCHES, A FENCE IS
REQUIRED WITH A MINIMUM OF THREE (3) FEET, 3:1 SIDE SLOPES.
9. A TEMPORARY GRAVEL CONSTRUCTION ENTRANCE, 24'x5Ox8" OF 4 TO 6 -INCH QUARRY SPALLS SHALL BE LOCATED AT
ALL POINTS OF VEHICULAR INGRESS AND EGRESS TO THE CONSTRUCTION SITE.
Co &MmA14CPHWnsuttans.LLC. NIRiOt
CITY OF RENTON
by: Date:
by: Date: �(
by: Date:
A PORTION OF THESE 114 OF SECTION 14 TOWNSHIP 23N. RANGE 5E. W.M.
SURFACE WATER DRAINAGE NOTES AND SPECIFICATIONS
1. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE - CONSTRUCTION MEETING MUST BE HELD WITH THE CITY
OF RENTON PLAN RENEWER.
2. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE 1996 STANDARD SPECIFICATIONS FOR ROAD, BRIDGE AND MUNICIPAL
CONSTRUCTION PREPARED BY W.S.D.O.T. AND THE AMERICAN PUBLIC WORKS ASSOCIATION (APWA), AS AMENDED BY THE CITY OF
RENTON PUBLIC WORKS DEPARTMENT.
3. THE SURFACE WATER DRAINAGE SYSTEM SHALL BE CONSTRUCTED ACCORDING TO THE APPROVED PLANS WHICH ARE ON FILE IN
THE PUBLIC WORKS DEPARTMENT. ANY DEVIATION FROM THE APPROVED PLANS WILL REQUIRE WRITTEN APPROVAL FROM THE
CITY OF RENTON PUBLIC WORKS DEPARTMENT, SURFACE WATER UTILITY SECTION.
4. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS.
5. DATUM FOR VERTICAL CONTROL SHALL BE NORTH AMERICAN VERTICAL DATUM 1988 METERS, AND FOR HORIZONTAL CONTROL
SHALL BE NORTH AMERICAN DATUM 198311991 METERS UNLESS OTHERWISE APPROVED BY CITY OF RENTON PUBLIC WORKS
DEPARTMENT. REFERENCE BENCHMARK AND ELEVATIONS ARE NOTED ON THE PLANS.
6. ALL SEDIMENTA770NIEROSION FACILITIES MUST BE IN OPERATION PRIOR TO CLEARING AND BUILDING CONSTRUCTION, AND THEY
MUST BE SA77SFACTORILY MAINTAINED UNTIL CONSTRUCTION IS COMPLETED AND THE POTENTIAL FOR ON -SITE EROSION HAS
PASSED.
7 ALL RETENTION /DETENTION FACILITIES MUST BE INSTALLED AND IN OPERATION PRIOR TO OR IN CONJUNCTION WITH ALL
CONSTRUCTION ACTIVITY UNLESS OTHERWISE APPROVED BY THE PUBLIC WORKS DEPARTMENT, SURFACE WATER UTILITY SECTION.
8. GRASS SEED MAY BE APPLIED BY HYDROSEEDING. THE GRASS SEED MIXTURE, OTHER THAN CITY OF RENTON APPROVED
STANDARD MIXES, SHALL BE SUBMITTED BY A LANDSCAPE ARCH17ECT AND APPROVED BY THE PUBLIC WORKS DEPARTMENT,
SURFACE WATER UTILITY SECTION.
9. ALL PIPE AND APPURTENANCES SHALL BE LAID ON PROPERLY PREPARED FOUNDATION IN ACCORDANCE W17H SECTION 7- 02.3(1)
OF THE CURRENT STATE OF WASHINGTON STANDARD SPECIFICATION FOR ROAD AND BRIDGE CONSTRUCTION. THIS SHALL
INCLUDE NECESSARY LEVELING OF THE TRENCH BOTTOM OR THE TOP OF THE FOUNDATION MATERIAL, AS WELL AS PLACEMENT
AND COMPACTION OF REQUIRED BEDDING MATERIAL, TO UNIFORM GRADE SO THAT THE EN71RE LENGTH OF THE PIPE WILL BE
SUPPORTED ON A UNIFORMLY DENSE, UNYIELDING BASE. ALL PIPE BEDDING SHALL BE APWA CLASS C' WITH THE EXCEPTION
OF PVC PIPE. ALL TRENCH BACKFILL SHALL BE COMPACTED TO MINIMUM 95% FOR PAVEMENT AND STRUCTURAL FILL AND 90%
OTHERWISE PER ASTM D- 1557 -70. PEA GRAVEL BEDDING SHALL BE 6" OVER AND UNDER P.V.C. PIPE
10. GALVANIZED STEEL PIPE AND ALUMINIZED STEEL PIPE FOR ALL DRAINAGE FACILITIES SHALL HAVE ASPHALT TREATMENT #1 OR
BETTER INSIDE AND OUTSIDE.
11. STRUCTURES SHALL NOT BE PERMITTED WITHIN 10 FEET OF THE SPRING LINE OF ANY STORM DRAINAGE PIPE, OR 15 FEET FROM
THE TOP OF ANY CHANNEL BANK.
12 ALL CATCH BASIN GRATES SHALL BE DEPRESSED 0.10 FEET BELOW PAVEMENT LEVEL.
13. OPEN CUT ROAD CROSSINGS THROUGH EXISTING PUBLIC RIGHT OF WAY WILL NOT BE ALLOWED UNLESS SPECIFICALLY APPROVED
BY THE CITY OF RENTON PLANNING/BUILDING/PUBLIC WORKS ADMINISTRATOR.
14. ROCK FOR EROSION PROTECTION OF ROADSIDE DITCHES, WHERE REQUIRED, SHALL BE OF SOUND QUARRY ROCK PLACED TO A
DEPTH OF 1 FOOT AND MUST MEET THE FOLLOWING SPECIFICATIONS: 4 "- 8%40 %70% PASSING, 2 " -4' ROCK 130 %40% PASSING
AND -2" ROCK 110 %20% PASSING.
15. ALL BUILDING DOWNSPOUTS AND FOOTING DRAINS SHALL BE CONNECTED TO THE STORM DRAINAGE SYSTEM, UNLESS APPROVED
BY THE CITY PLAN RENEWER OF SURFACE WATER UTILITY SECTION. AN ACCURATELY DIMENSIONED, CERTIFIED AS -BUILT
DRAWING OF THIS DRAINAGE SYSTEM WILL BE SUBMITTED TO THE CITY OF RENTON UPON COMPLETION.
16. ISSUANCE OF THE BUILDING OR CONSTRUCTION PERMITS BY THE CITY OF RENTON DOES NOT RELIEVE THE OWNER OF THE
CONTINUING LEGAL OBLIGATION AND /OR LIABILITY CONNECTED WITH STORM SURFACE WATER DISPOSITION. FURTHER, THE CITY
OF RENTON DOES NOT ACCEPT ANY OBLIGATION FOR THE PROPER FUNC770NING AND MAINTENANCE OF THE SYSTEM PROVIDED
DURING CONSTRUCTION.
17. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING ADEQUATE SAFEGUARD, SAFETY DEVICES, PROTECTIVE EQUIPMENT,
FLAGGERS AND ANY 07HER NEEDED ACTIONS TO PROTECT THE LIFT, HEALTH, AND SAFETY OF 774E PUBLIC, AND TO PROTECT
PROPERTY IN CONNECTION W1714 774E PERFORMANCE OF WORK COVERED BY 714E CONTRACT. ANY WORK WITHIN THE TRAVELED
RIGHT OF WAY THAT MAY INTERRUPT NORMAL TRAFFIC FLOW SHALL REQUIRE A TRAFFIC CONTROL PLAN APPROVED BY THE
PUBLIC WORKS DEPARTMENT, TRANSPORTATION SYSTEMS DIVISION. ALL SECTIONS OF THE W.S.D.O.T. STANDARD SPECIFICATIONS
1 -07 -23 TRAFFIC CONTROL SHALL APPLY.
18. SPECIAL DRAINAGE MEASURES WILL BE REQUIRED IF THE PROJECT LOCATION IS WITHIN THE AQUIFER PR07EC7ON AREA (APA).
CITY OF RENTON HEX CONDITIONS
THE PROPOSED PLAT OF LIBERTY GARDENS IS APPROVED PRELIMINARY APPROVAL SUBJECT TO THE CONDITIONS FROM THE
APRIL 28, 2009 HE REPORT
THE CITY COUNCIL SHOULD APPROVE THE 36 -LOT PRELIMINARY PLAT SUBJECT TO THE FOLLOWING CONDITIONS.,
1. THE APPLICANT WILL BE REQUIRED TO SUBMIT A TEMPORARY EROSION AND SEDIMENTATION CONTROL PLAN (TESCP)
DESIGNED PURSUANT TO STATE DEPARTMENT OF ECOLOGYS EROSION AND SEDIMENT CONTROL REQUIREMENTS, OU71JNED IN
VOLUME If OF THE 2001 STORMWATER MANAGEMENT MANUAL. THE PLAN MUST BE SUBMITTED TO AND APPROVED BY THE
DEVELOPMENT SERVICES DIVISION PLAN REVIEW STAFF PRIOR TO ISSUANCE OF THE U71UTY CONSTRUCTION AND DURING
UTILITY AND ROAD CONSTRUCTION.
2. THE DETENTION SYSTEM FOR THIS PROJECT SHALL BE REQUIRED TO COMPLY WITH 774E REQUIREMENTS FOUND IN THE 2005
KING COUNTY SURFACE WATER DESIGN MANUAL TO MEET BOTH DETENTION (CONSERVATION FLOW CONTROL - A.K.A. LEVEL
3) AND WATER QUALITY IMPROVEMENTS."
3. THE APPLICANT SHALL COMPLY WITH THE CONDITIONS IMPOSED BY THE ERC AS MODIFIED IN 714E APPEAL DECISION
4. THE APPLICANT SHALL PROVIDE AN EAST /WEST ROAD CONNECTION FROM 162ND AVE SE TO 1647H AVE SE IN ORDER TO
CREATE HIGHLY CONNECTIVE ROAD NETWORK. ALL CONSTRUCTION AND UPGRADING OF PUBLIC AND PRIVATE ROADS SHALL
BE DONE IN ACCORDANCE WITH THE KING COUNTY ROAD STANDARDS ESTABLISHED AND ADOPTED BY ORDINANCE NO. 11187
AS AMENDED (1993 KCRS).
5. THE APPLICANT SHALL BE REQUIRED TO SUBMIT A REVISED PLAT PLAN, DEPICTING AN EAST/WEST ROAD CONNECTION FROM
162ND AVE SE TO 164TH AVE SE, WHICH IS ALSO CONSISTENT WITH ALL PRELIMINARY PLAT REVIEW CRITERIA. THE REVISED
PLAT PLAN SHALL BE SUBMITTED FOR REVIEW AND APPROVAL BY THE DEVELOPMENT SERVICES DIVISION AND THE CURRENT
PLANNING PROJECT MANAGER, PRIOR TO ENGINEERING PLAN APPROVAL.
6. BOTH FRONTAGES, 162ND AVE SE AND 164TH AVE SE, FOR THE FULL LENGTH OF THE PROPERTY SHALL BE IMPROVED TO
THE SATISFACTION OF THE CITY OF RENTON DEVELOPMENT SERVICES DIVISION SUBJECT TO THE KING COUNTY ROAD
STANDARDS OR AS MODIFIED BY VARIANCE. 162ND AVE SE SHALL BE DESIGNED AND CONSTRUCTED TO MEET THE URBAN
NEIGHBORHOOD COLLECTOR STANDARD. NO LOT SHALL HAVE A DRIVEWAY ENTERING OFF 162ND AVE SE OR 164TH AVE SE
7. THE APPLICANT SHALL CREATE PEDESTRIAN PATHS AND LINKS AS DETERMINED BY STAFF.
8. THE APPLICANT SHALL BE REQUIRED TO PROVIDE A DETAILED TREE RETENTION PLAN WITH THE ENGINEERING RENEW
APPLICATION. THE TREE RETENTION PLAN SHALL BE RENEWED AND APPROVED BY THE CURRENT PLANNING PROJECT
MANAGER PRIOR TO ENGINEERING PERMIT APPROVAL.
9. THE APPLICANT SHALL PAY A 7RANSPORTA77ON MITIGATION FEE BASED ON $75.00 PER NET NEW AVERAGE DAILY TRIP
ATTRIBUTED TO THE PROJECT. THE FEE FOR THE PROPOSED PLAT IS ESTIMATED AT $25,839.00 ($75.00 X 9.57 TRIPS X 36
LOTS = $25,839.00) AND IS PAYABLE TO THE CITY PRIOR TO THE RECORDING OF THE FINAL PLAT.
10. THE APPLICANT SHALL ESTABLISH A HOMEOWNERS' ASSOCIATION FOR THE DEVELOPMENT, WHICH WOULD BE RESPONSIBLE
FOR ANY COMMON IMPROVEMENTS AND /OR TRACTS W17HIN THE PLAT PRIOR TO FINAL PLAT RECORDING.
11. 771E APPLICANT SHALL PAY SCHOOL IMPACT FEES PER RMC 4 -1 -160, D, TOT EH CITY OF RENTON, ON BEHALF OF THE
ISSAQUAH SCHOOL DISTRICT. THE FEE FOR THE PROPOSED PLAT IS ESTIMATED AT $216,756.00 ($6,021.00 X 36 L07S =
$216,756.00).
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1 CONSTRUCTION PERMIT APPROVAL JBS 05/01/1 JBS""EIX �"` vmmn:ww,a� LIBERTY GARDENS 02/21/14
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3. ALL LOCATIONS OF EXISTING UTILITIES SHOWN ARE APPROXIMATE AND IT SHALL BE THE CONTRACTORS RESPONSIBILITY
TO VERIFY THE TRUE AND CORRECT LOCATION SO AS TO AVOID DAMAGE OR DISTURBANCE.
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4. A PRE - CONSTRUCTION CONFERENCE AND A 24 HOUR NOTICE SHALL BE REQUIRED PRIOR TO STARTING NEW
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CONSTRUCTION. IT SHALL BE THE CONTRACTORS RESPONSIBILITY TO SECURE ALL NECESSARY PERMITS PRIOR TO
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STARTING CONSTRUCTION. (INSPECTION WILL BE ACCOMPLISHED BY A REPRESENTATIVE OF THE CITY OF RENTON.) IT
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SHALL BE THE CONTRACTORS RESPONSIBILITY TO NOTIFY THE PUBLIC WORKS INSPECTOR 24 HOURS IN ADVANCE OF
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BACKFILLING ALL CONSTRUCTION.
5. CONTRACTOR IS SOLELY RESPONSIBLE FOR THE MEANS, METHODS AND SEQUENCES OF CONSTRUCTION AND FOR THE
SAFETY OF WORKERS AND OTHERS ON THE CONSTRUCTION SITE.
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6. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO OBTAIN STREET USE AND ANY OTHER RELATED PERMITS
PRIOR TO ANY CONSTRUCTION.
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7. PLANS APPROVED BY THE CITY OF RENTON, PUBLIC WORKS DEPARTMENT SHALL TAKE PRECEDENCE OVER ALL OTHER
PLANS
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& A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS
9. 714E CONTRACTOR SHALL PROVIDE THE CITY OF RENTON WITH AN AS -BUILT DRAWING OF THE SANITARY SEWER SYSTEM
WHICH HAS BEEN STAMPED AND SIGNED BY A LICENSED PROFESSIONAL ENGINEER OR LICENSED PROFESSIONAL
SURVEYOR.
10. BACKFILL SHALL BE PLACED EQUALLY ON 807H SIDES OF THE PIPE IN LAYERS WITH LOOSE AVERAGE DEPTH OF 6
INCHES, MAXIMUM DEPTH OF 8 INCHES, THOROUGHLY TAMPING EACH LAYER TO 95 PERCENT OF MAXIMUM DENSITY.
THESE COMPACTED LAYERS MUST EXTEND FOR ONE PIPE DIAMETER ON EACH SIDE OF THE PIPE OR TO THE SIDE OF
THE TRENCH. MATERIALS TO COMPLETE THE FILL OVER PIPE SHALL BE THE SAME AS DESCRIBED.
11. OPEN CUT ROAD CROSSINGS FOR UTILITY TRENCHES ON EXISTING TRAVELED ROADWAY SHALL BE BACKFILLED WITH
CRUSHED ROCK AND MECHANICALLY COMPACTED UNLESS OTHERWISE APPROVED BY THE CITY.
12. DATUM FOR VERTICAL CONTROL SHALL BE NORTH AMERICAN VERTICAL DATUM 1988 METERS, AND FOR HORIZONTAL
CONTROL SHALL BE NORTH AMERICAN DATUM 198311991 METERS UNLESS OTHERWISE APPROVED BY THE CITY OF
RENTON PUBLIC WORKS DEPARTMENT. REFERENCE BENCHMARK AND ELEVATIONS ARE NOTED ON THE PLANS.
13. ALL DISTURBED AREAS SHALL BE SEEDED AND MULCHED OR OTHERWISE STABILIZED TO THE SA71SFAC77ON OF THE
DEPARTMENT FOR THE PREVENTION OF ON -SITE EROSION AFTER THE COMPLETION OF CONSTRUCTION.
14. ALL PIPE AND APPURTENANCES SHALL BE LAID ON A PROPERLY PREPARED FOUNDATION IN ACCORDANCE WITH THE
STANDARDS AND SPECIFICATIONS OF THE CITY OF RENTON PLANNING /BUILDING/PUBLIC WORKS DEPARTMENT AND THE
LATEST EDITION OF THE WSDOT /APWA STANDARDS AND SPECIFICATIONS, AS APPROVED AND MODIFIED BY THE CITY OF
RENTON IN THE RENTON STANDARD PLANS AND SPECIFICATIONS. THIS SHALL INCLUDE NECESSARY LEVELING OF THE
TRENCH BOTTOM OR THE TOP OF THE FOUNDATION MATERIAL, AS WELL AS PLACEMENT AND COMPACTION OF REQUIRED
BEDDING MATERIAL, TO UNIFORM GRADE SO THAT THE ENTIRE LENGTH OF THE PIPE WILL BE SUPPORTED ON A
UNIFORMLY DENSE, UNYIELDING BASE. PIPE BEDDING SHALL BE PEA GRAVEL 6 INCHES ABOVE AND BELOW THE PIPE.
15. SANITARY SEWER PIPE SHALL BE POLYVINYL CHLORIDE (PVC) RUBBER GASKETED ASTM D 3034, SDR 35, OR DUCTILE
IRON CLASS 50, UNLESS OTHERWISE APPROVED BY THE WASTEWATER UTILITY.
16. IN UNIMPROVED AREAS, MANHOLE TO EXTEND MINIMUM 6 INCHES AND MAXIMUM 12 INCHES ABOVE FINISHED GRADE OR
MUST HAVE MINIMUM 2'DIAMETER CONCRETE RING POURED AT GRADE. IN PAVED AREA, COVER MUST SLOPE IN ALL
DIRECTIONS TO MATCH PAVING.
EROSION CONTROL NOTES
1. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE - CONSTRUCTION MEETING MUST BE HELD WITH
THE CITY OF RENTON, PUBLIC WORKS DESIGN ENGINEER.
2. ALL LIMITS OF CLEARING AND AREAS OF VEGETATION PRESERVATION AS PRESCRIBED ON 714E PLAN(S) SHALL BE
CLEARLY FLAGGED IN THE FIELD AND OBSERVED DURING CONSTRUCTION.
J. ALL REQUIRED SEDIMENTATIONIEROSION CONTROL FACILITIES MUST BE CONSTRUCTED AND IN OPERATION PRIOR TO LAND
CLEARING AND /OR CONSTRUCTION TO ENSURE THAT SEDIMENT LADEN WATER DOES NOT ENTER THE NATURAL DRAINAGE
SYSTEM. ALL EROSION AND SEDIMENT FACILITIES SHALL BE MAINTAINED IN A SATISFACTORY CONDITION UNTIL SUCH TIME
THAT CLEARING AND /OR CONSTRUCTION IS COMPLETE AND POTENTIAL FOR ON -SITE EROSION HAS PASSED. 774E
IMPLEMENTATION, MAINTENANCE, REPLACEMENT AND ADDITIONS TO EROSIONISEDIMENTA77ON CONTROL SYSTEMS SHALL BE
THE RESPONSIBILITY OF THE PERMITTEE.
4. 714E EROSION AND SEDIMENTATION CONTROL SYSTEMS DEPICTED ON THIS DRAWING ARE INTENDED TO BE MINIMUM
REQUIREMENTS TO MEET ANTICIPATED SI7E CONDITIONS. AS CONSTRUCTION PROGRESSES AND UNEXPECTED OR
SEASONAL CONDITIONS DICTATE, THE PERMITTEE SHALL ANTICIPATE THAT MORE EROSION AND SEDIMENTATION CONTROL
FACILITIES WILL BE NECESSARY TO INSURE COMPLETE SILTATION CONTROL ON THE PROPOSED SITE. DURING THE COURSE
OF CONSTRUCTION, IT SHALL BE THE OBLIGATION AND RESPONSIBILITY OF THE PERMITTEE TO ADDRESS ANY NEW
CONDITIONS THAT MAY BE CREATED BY HIS ACTIVITIES AND TO PROVIDE ADDITIONAL FACILITIES, OVER AND ABOVE
MINIMUM REQUIREMENTS, AS MAY BE NEEDED, TO PR07ECT ADJACENT PROPERTIES AND WATER QUALITY OF THE
RECEIVING DRAINAGE SYSTEM.
5. APPROVAL OF THIS PLAN IS FOR EROSION /SEDIMENTATION CONTROL ONLY. IT DOES NOT CONSTITUTE AN APPROVAL OF
STORM DRAINAGE DESIGN, SIZE NOR LOCATION OF PIPES RES7RICTORS CHANNELS, OR RETENTION FACILITIES.
6. DURING THE 71ME PERIOD OF OCTOBER 1 THROUGH APRIL 30, ALL PROJECT DISTURBED SOIL AREAS GREATER THAN
5,000 SQUARE FEET, THAT ARE TO BE LEFT UNWORKED FOR MORE THAN TWELVE (12) HOURS, SHALL BE COVERED BY
MULCH, SODDING, OR PLASTIC COVERING.
7. IN ANY AREA WHICH HAS BEEN STRIPPED OF VEGETATION AND WHERE NO FURTHER WORK IS ANTICIPATED FOR A PERIOD
OF 30 DAYS OR MORE, ALL DISTURBED AREAS MUST BE IMMEDIATELY STABILIZED WITH MULCHING, GRASS PLANTING OR
07HER APPROVED EROSION CONTROL TREATMENT APPLICABLE TO THE 77ME OF YEAR. GRASS SEEDING ALONE WILL BE
ACCEPTABLE ONLY DURING THE MONTHS OF APRIL THROUGH SEPTEMBER INCLUSIVE SEEDING MAY PROCEED, HOWEVER,
WHENEVER IT IS IN THE INTEREST OF THE PERMITTEE BUT MUST BE AUGMENTED WITH MULCHING, NETTING, OR OTHER
TREATMENT APPROVED BY THE CITY OF RENTON, OUTSIDE THE SPECIFIED TIME PERIOD.
& FOR ALL EROSION /SEDIMENTATION CONTROL PONDS WHERE THE DEAD STORAGE DEPTH EXCEEDS 6 INCHES, A FENCE IS
REQUIRED WITH A MINIMUM OF THREE (3) FEET, 3:1 SIDE SLOPES.
9. A TEMPORARY GRAVEL CONSTRUCTION ENTRANCE, 24'x5Ox8" OF 4 TO 6 -INCH QUARRY SPALLS SHALL BE LOCATED AT
ALL POINTS OF VEHICULAR INGRESS AND EGRESS TO THE CONSTRUCTION SITE.
Co &MmA14CPHWnsuttans.LLC. NIRiOt
CITY OF RENTON
by: Date:
by: Date: �(
by: Date:
A PORTION OF THESE 114 OF SECTION 14 TOWNSHIP 23N. RANGE 5E. W.M.
SURFACE WATER DRAINAGE NOTES AND SPECIFICATIONS
1. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE - CONSTRUCTION MEETING MUST BE HELD WITH THE CITY
OF RENTON PLAN RENEWER.
2. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE 1996 STANDARD SPECIFICATIONS FOR ROAD, BRIDGE AND MUNICIPAL
CONSTRUCTION PREPARED BY W.S.D.O.T. AND THE AMERICAN PUBLIC WORKS ASSOCIATION (APWA), AS AMENDED BY THE CITY OF
RENTON PUBLIC WORKS DEPARTMENT.
3. THE SURFACE WATER DRAINAGE SYSTEM SHALL BE CONSTRUCTED ACCORDING TO THE APPROVED PLANS WHICH ARE ON FILE IN
THE PUBLIC WORKS DEPARTMENT. ANY DEVIATION FROM THE APPROVED PLANS WILL REQUIRE WRITTEN APPROVAL FROM THE
CITY OF RENTON PUBLIC WORKS DEPARTMENT, SURFACE WATER UTILITY SECTION.
4. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS.
5. DATUM FOR VERTICAL CONTROL SHALL BE NORTH AMERICAN VERTICAL DATUM 1988 METERS, AND FOR HORIZONTAL CONTROL
SHALL BE NORTH AMERICAN DATUM 198311991 METERS UNLESS OTHERWISE APPROVED BY CITY OF RENTON PUBLIC WORKS
DEPARTMENT. REFERENCE BENCHMARK AND ELEVATIONS ARE NOTED ON THE PLANS.
6. ALL SEDIMENTA770NIEROSION FACILITIES MUST BE IN OPERATION PRIOR TO CLEARING AND BUILDING CONSTRUCTION, AND THEY
MUST BE SA77SFACTORILY MAINTAINED UNTIL CONSTRUCTION IS COMPLETED AND THE POTENTIAL FOR ON -SITE EROSION HAS
PASSED.
7 ALL RETENTION /DETENTION FACILITIES MUST BE INSTALLED AND IN OPERATION PRIOR TO OR IN CONJUNCTION WITH ALL
CONSTRUCTION ACTIVITY UNLESS OTHERWISE APPROVED BY THE PUBLIC WORKS DEPARTMENT, SURFACE WATER UTILITY SECTION.
8. GRASS SEED MAY BE APPLIED BY HYDROSEEDING. THE GRASS SEED MIXTURE, OTHER THAN CITY OF RENTON APPROVED
STANDARD MIXES, SHALL BE SUBMITTED BY A LANDSCAPE ARCH17ECT AND APPROVED BY THE PUBLIC WORKS DEPARTMENT,
SURFACE WATER UTILITY SECTION.
9. ALL PIPE AND APPURTENANCES SHALL BE LAID ON PROPERLY PREPARED FOUNDATION IN ACCORDANCE W17H SECTION 7- 02.3(1)
OF THE CURRENT STATE OF WASHINGTON STANDARD SPECIFICATION FOR ROAD AND BRIDGE CONSTRUCTION. THIS SHALL
INCLUDE NECESSARY LEVELING OF THE TRENCH BOTTOM OR THE TOP OF THE FOUNDATION MATERIAL, AS WELL AS PLACEMENT
AND COMPACTION OF REQUIRED BEDDING MATERIAL, TO UNIFORM GRADE SO THAT THE EN71RE LENGTH OF THE PIPE WILL BE
SUPPORTED ON A UNIFORMLY DENSE, UNYIELDING BASE. ALL PIPE BEDDING SHALL BE APWA CLASS C' WITH THE EXCEPTION
OF PVC PIPE. ALL TRENCH BACKFILL SHALL BE COMPACTED TO MINIMUM 95% FOR PAVEMENT AND STRUCTURAL FILL AND 90%
OTHERWISE PER ASTM D- 1557 -70. PEA GRAVEL BEDDING SHALL BE 6" OVER AND UNDER P.V.C. PIPE
10. GALVANIZED STEEL PIPE AND ALUMINIZED STEEL PIPE FOR ALL DRAINAGE FACILITIES SHALL HAVE ASPHALT TREATMENT #1 OR
BETTER INSIDE AND OUTSIDE.
11. STRUCTURES SHALL NOT BE PERMITTED WITHIN 10 FEET OF THE SPRING LINE OF ANY STORM DRAINAGE PIPE, OR 15 FEET FROM
THE TOP OF ANY CHANNEL BANK.
12 ALL CATCH BASIN GRATES SHALL BE DEPRESSED 0.10 FEET BELOW PAVEMENT LEVEL.
13. OPEN CUT ROAD CROSSINGS THROUGH EXISTING PUBLIC RIGHT OF WAY WILL NOT BE ALLOWED UNLESS SPECIFICALLY APPROVED
BY THE CITY OF RENTON PLANNING/BUILDING/PUBLIC WORKS ADMINISTRATOR.
14. ROCK FOR EROSION PROTECTION OF ROADSIDE DITCHES, WHERE REQUIRED, SHALL BE OF SOUND QUARRY ROCK PLACED TO A
DEPTH OF 1 FOOT AND MUST MEET THE FOLLOWING SPECIFICATIONS: 4 "- 8%40 %70% PASSING, 2 " -4' ROCK 130 %40% PASSING
AND -2" ROCK 110 %20% PASSING.
15. ALL BUILDING DOWNSPOUTS AND FOOTING DRAINS SHALL BE CONNECTED TO THE STORM DRAINAGE SYSTEM, UNLESS APPROVED
BY THE CITY PLAN RENEWER OF SURFACE WATER UTILITY SECTION. AN ACCURATELY DIMENSIONED, CERTIFIED AS -BUILT
DRAWING OF THIS DRAINAGE SYSTEM WILL BE SUBMITTED TO THE CITY OF RENTON UPON COMPLETION.
16. ISSUANCE OF THE BUILDING OR CONSTRUCTION PERMITS BY THE CITY OF RENTON DOES NOT RELIEVE THE OWNER OF THE
CONTINUING LEGAL OBLIGATION AND /OR LIABILITY CONNECTED WITH STORM SURFACE WATER DISPOSITION. FURTHER, THE CITY
OF RENTON DOES NOT ACCEPT ANY OBLIGATION FOR THE PROPER FUNC770NING AND MAINTENANCE OF THE SYSTEM PROVIDED
DURING CONSTRUCTION.
17. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING ADEQUATE SAFEGUARD, SAFETY DEVICES, PROTECTIVE EQUIPMENT,
FLAGGERS AND ANY 07HER NEEDED ACTIONS TO PROTECT THE LIFT, HEALTH, AND SAFETY OF 774E PUBLIC, AND TO PROTECT
PROPERTY IN CONNECTION W1714 774E PERFORMANCE OF WORK COVERED BY 714E CONTRACT. ANY WORK WITHIN THE TRAVELED
RIGHT OF WAY THAT MAY INTERRUPT NORMAL TRAFFIC FLOW SHALL REQUIRE A TRAFFIC CONTROL PLAN APPROVED BY THE
PUBLIC WORKS DEPARTMENT, TRANSPORTATION SYSTEMS DIVISION. ALL SECTIONS OF THE W.S.D.O.T. STANDARD SPECIFICATIONS
1 -07 -23 TRAFFIC CONTROL SHALL APPLY.
18. SPECIAL DRAINAGE MEASURES WILL BE REQUIRED IF THE PROJECT LOCATION IS WITHIN THE AQUIFER PR07EC7ON AREA (APA).
CITY OF RENTON HEX CONDITIONS
THE PROPOSED PLAT OF LIBERTY GARDENS IS APPROVED PRELIMINARY APPROVAL SUBJECT TO THE CONDITIONS FROM THE
APRIL 28, 2009 HE REPORT
THE CITY COUNCIL SHOULD APPROVE THE 36 -LOT PRELIMINARY PLAT SUBJECT TO THE FOLLOWING CONDITIONS.,
1. THE APPLICANT WILL BE REQUIRED TO SUBMIT A TEMPORARY EROSION AND SEDIMENTATION CONTROL PLAN (TESCP)
DESIGNED PURSUANT TO STATE DEPARTMENT OF ECOLOGYS EROSION AND SEDIMENT CONTROL REQUIREMENTS, OU71JNED IN
VOLUME If OF THE 2001 STORMWATER MANAGEMENT MANUAL. THE PLAN MUST BE SUBMITTED TO AND APPROVED BY THE
DEVELOPMENT SERVICES DIVISION PLAN REVIEW STAFF PRIOR TO ISSUANCE OF THE U71UTY CONSTRUCTION AND DURING
UTILITY AND ROAD CONSTRUCTION.
2. THE DETENTION SYSTEM FOR THIS PROJECT SHALL BE REQUIRED TO COMPLY WITH 774E REQUIREMENTS FOUND IN THE 2005
KING COUNTY SURFACE WATER DESIGN MANUAL TO MEET BOTH DETENTION (CONSERVATION FLOW CONTROL - A.K.A. LEVEL
3) AND WATER QUALITY IMPROVEMENTS."
3. THE APPLICANT SHALL COMPLY WITH THE CONDITIONS IMPOSED BY THE ERC AS MODIFIED IN 714E APPEAL DECISION
4. THE APPLICANT SHALL PROVIDE AN EAST /WEST ROAD CONNECTION FROM 162ND AVE SE TO 1647H AVE SE IN ORDER TO
CREATE HIGHLY CONNECTIVE ROAD NETWORK. ALL CONSTRUCTION AND UPGRADING OF PUBLIC AND PRIVATE ROADS SHALL
BE DONE IN ACCORDANCE WITH THE KING COUNTY ROAD STANDARDS ESTABLISHED AND ADOPTED BY ORDINANCE NO. 11187
AS AMENDED (1993 KCRS).
5. THE APPLICANT SHALL BE REQUIRED TO SUBMIT A REVISED PLAT PLAN, DEPICTING AN EAST/WEST ROAD CONNECTION FROM
162ND AVE SE TO 164TH AVE SE, WHICH IS ALSO CONSISTENT WITH ALL PRELIMINARY PLAT REVIEW CRITERIA. THE REVISED
PLAT PLAN SHALL BE SUBMITTED FOR REVIEW AND APPROVAL BY THE DEVELOPMENT SERVICES DIVISION AND THE CURRENT
PLANNING PROJECT MANAGER, PRIOR TO ENGINEERING PLAN APPROVAL.
6. BOTH FRONTAGES, 162ND AVE SE AND 164TH AVE SE, FOR THE FULL LENGTH OF THE PROPERTY SHALL BE IMPROVED TO
THE SATISFACTION OF THE CITY OF RENTON DEVELOPMENT SERVICES DIVISION SUBJECT TO THE KING COUNTY ROAD
STANDARDS OR AS MODIFIED BY VARIANCE. 162ND AVE SE SHALL BE DESIGNED AND CONSTRUCTED TO MEET THE URBAN
NEIGHBORHOOD COLLECTOR STANDARD. NO LOT SHALL HAVE A DRIVEWAY ENTERING OFF 162ND AVE SE OR 164TH AVE SE
7. THE APPLICANT SHALL CREATE PEDESTRIAN PATHS AND LINKS AS DETERMINED BY STAFF.
8. THE APPLICANT SHALL BE REQUIRED TO PROVIDE A DETAILED TREE RETENTION PLAN WITH THE ENGINEERING RENEW
APPLICATION. THE TREE RETENTION PLAN SHALL BE RENEWED AND APPROVED BY THE CURRENT PLANNING PROJECT
MANAGER PRIOR TO ENGINEERING PERMIT APPROVAL.
9. THE APPLICANT SHALL PAY A 7RANSPORTA77ON MITIGATION FEE BASED ON $75.00 PER NET NEW AVERAGE DAILY TRIP
ATTRIBUTED TO THE PROJECT. THE FEE FOR THE PROPOSED PLAT IS ESTIMATED AT $25,839.00 ($75.00 X 9.57 TRIPS X 36
LOTS = $25,839.00) AND IS PAYABLE TO THE CITY PRIOR TO THE RECORDING OF THE FINAL PLAT.
10. THE APPLICANT SHALL ESTABLISH A HOMEOWNERS' ASSOCIATION FOR THE DEVELOPMENT, WHICH WOULD BE RESPONSIBLE
FOR ANY COMMON IMPROVEMENTS AND /OR TRACTS W17HIN THE PLAT PRIOR TO FINAL PLAT RECORDING.
11. 771E APPLICANT SHALL PAY SCHOOL IMPACT FEES PER RMC 4 -1 -160, D, TOT EH CITY OF RENTON, ON BEHALF OF THE
ISSAQUAH SCHOOL DISTRICT. THE FEE FOR THE PROPOSED PLAT IS ESTIMATED AT $216,756.00 ($6,021.00 X 36 L07S =
$216,756.00).
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