HomeMy WebLinkAboutS-334706WATER UTILITY NOTES AND SPECIFICATIONS
1. THESE NOTES SHALL APPEAR FOR PROJECTS FOR THE WATER UTILITY.
2. ALL WORK MATERIAL SHALL BE IN CONFORMANCE WITH THE STANDARDS AND
SPECIFICATIONS OF THE CITY OF RENTON PLANNING /BUILDING /PUBLIC WORKS
DEPARTMENT AND THE 1996 EDITION OF THE WSDOT /APWA STANDARDS AND
SPECIFICATIONS, AS APPROVED AND MODIFIED BY THE CITY OF RENTON IN THE RENTON
STANDARD PLANS & SPECIFICATIONS. A SET OF APPROVED PLANS SHALL BE KEPT ON
SITE AT ALL TIMES DURING CONSTRUCTION.
3. THE HOURS OF WORK IN THE STREET RIGHT OF WAY SHALL BE LIMITED TO 8:30 AM
TO 3:30 PM ON WEEKDAYS UNLESS OTHERWISE APPROVED IN WRITING BY THE PUBLIC
WORKS DEPARTMENT AT (425) 430 -7301. THE POLICE DEPARTMENT, FIRE
DEPARTMENT, AND 911 SHALL BE NOTIFIED 24 HOURS IN ADVANCE OF ANY WORK IN
THE RIGHT OF WAY.
4. ALL LOCATIONS OF EXISTING UTILITIES SHOWN ARE APPROXIMATE AND IT SHALL BE THE
CONTRACTOR'S RESPONSIBILITY TO VERIFY THE TRUE AND CORRECT LOCATION SO AS
TO AVOID DAMAGE OR DISTURBANCE. FOR UTILITY LOCATES CALL 48 -HOUR LOCATORS
800- 424 -5555.
5. AN APPROVED TRAFFIC CONTROL PLAN IS REQUIRED TO BE SUBMITTED AT THE
PRE - CONSTRUCTION MEETING.
6. ALL WATERMAIN PIPE IS TO BE CEMENT LINED DUCTILE IRON PIPE CONFORMING TO
AWWA C110 AND C111 OR LATEST REVISION, THICKNESS CLASS 52. CEMENT MORTAR
LINING AND SEAL COATING SHALL CONFORM TO AWWA C104 OR LATEST REVISION.
PIPE JOINTS TO BE PUSH -ON OR MECHANICAL JOINT. BEDDING TO BE CLASS C. ALL
DUCTILE IRON PIPE AND FITTINGS SHALL BE POLYETHYLENE WRAPPED PER ANSI /AWWA
C105/A21.5 -93 STANDARDS.
7. CAST IRON AND DUCTILE IRON FITTINGS SHALL BE CEMENT LINED, PRESSURE RATED AS
NOTED ON PLANS, AND IN ACCORDANCE WITH ANSI /AWWA C110/A21.10 -87. CEMENT
LINING SHALL BE IN ACCORDANCE WITH ANSI /AWWA C104/421/4 -90. IF FITTINGS ARE
3 TO 12 INCHES IN DIAMETER AND HAVE MECHANICAL JOINTS, THE FITTINGS SHALL IN
ACCORDANCE WITH EITHER ANSI /AWWA C110- A21.10 -87 OR ANSI /AWWA
C153/A21.53 -94. THREE (3) INCH TO 12 INCH DIAMETER FITTINGS, WHICH HAVE
MECHANICAL JOINTS AND /OR FLANGED JOINTS, SHALL BE IN ACCORDANCE WITH
ANSI /AWWA C110/A21.10.87 OR A COMBINATION OF ANSI /AWWA C110/A21.10.87 AND
ANSI /AWWA C153/A21.53 -94 SUCH THAT THE PORTION OF THE FITTING WITH A
MECHANICAL JOINT(S) MAY BE WITH ANSI /AWWA C153/A21.53 -94 AND THAT PORTION
OF THE FITTING WITH FLANGED JOINT(S) SHALL BE IN ACCORDANCE WITH AWWA
C110/A21.10 -87. ACCEPTANCE TESTING IN ACCORDANCE WITH SECTION 53.53 OF
ANSI /AWWA SECTION 10 -4.3 OF ANSI /AWWA C110/A21.10 -87 SHALL BE OBTAINED BY
THE CONTRACTOR AND TRANSMITTED TO THE OWNER.
8. GATE VALES SHALL BE IRON BODY, BRONZED - MOUNTED, DOUBLE DISC WITH BRONZE
WEDGING DEVICE AND O -RING STUFFING BOX (AWWA C500) OR OF RESILIENT SEATED
TYPE (AWWA C509). VALVES SHALL BE DESIGNED FOR A MINIMUM WATER OPERATING
PRESSURE OF 200 PSI. GATE VALVES SHALL BE CLOW LIST 14, MUELLER COMPANY
NO. A2380 OR M & H.
9. FIRE HYDRANTS SHALL BE COREY TYPE (OPENING WITH THE PRESSURE) OR
COMPRESSION TYPE (OPENING AGAINST PRESSURE) CONFORMING TO AWWA C- 502 -85
WITH A 6 INCH MECHANICAL JOINT INLET AND A MAIN VALVE OPENING (M.V.O.) OF
5 -1/4 INCH, TWO 2 -1/2 INCH HOSE NOZZLES WITH NATIONAL STANDARD THREADS
7 -1/2 THREADS PER INCH AND ONE 4 INCH PUMPER NOZZLE WITH THE NEW SEATTLE
PATTERN 6 THREADS PER INCH, 60 DEGREES V. THREADS: OUTSIDE DIAMETER OF
MALE THREAD 4.875 AND ROOT DIAMETER 4.6263. HYDRANTS SHALL HAVE A 1 -1/4
INCH PENTAGON OPERATING NUT OPENED BY TURNING COUNTER CLOCKWISE (LEFT).
10. THE TWO 2 -1/2 INCH HOSE NOZZLES SHALL BE FITTED WITH CAST IRON THREADED
CAPS WITH OPERATING NUT OF THE SAME DESIGN AND PROPORTIONS AS THE HYDRANT
STEM NUT. CAPS SHALL BE FITTED WITH SUITABLE NEOPRENE GASKETS FOR POSITIVE
WATER TIGHTNESS UNDER TEST PRESSURES.
11. THE 4 INCH PUMPER NOZZLE SHALL BE FITTED WITH A STORZ ADAPTER, 4 INCH
SEATTLE THREAD X 5 INCH STORZ. STORZ ADAPTER SHALL BE FORGED AND /OR
EXTRUDED 6061 -T6 ALUMINUM ALLOY, HARDCOAT ANODIZED. THREADED END PORTION
SHALL HAVE NO LUGS AND TWO SET SCREWS 180 DEGREES APART. STORZ FACE TO
BE METAL, NO GASKET TO WEATHER. STORZ CAP TO HAVE SYNTHETIC MOLDED
RUBBER GASKET, AND SHALL BE ATTACHED TO HYDRANT ADAPTER WITH 1/8 INCH,
COATED, STAINLESS STEEL, AIRCRAFT CABLE.
12. FIRE HYDRANTS SHALL BE PAINTED WITH TWO COATS OF PAINT, PRESERVATIVE PAINT
NUMBER 43 -655 SAFETY YELLOW OR APPROVED EQUAL.
13. PUMPER CONNECTION TO FACE ROADWAY ASSEMBLY.
14. FIRE HYDRANTS SHALL BE INSTALLED PER CITY OF RENTON STANDARD DETAIL FOR
FIRE HYDRANTS, LATEST REVISION.
15. ALL WATERMAINS 10 INCHES AND SMALLER TO MAINTAIN A MINIMUM COVER OF 36
INCHES BELOW FINISH GRADE. ALL WATERMAIN 12 INCHES AND LARGER SHALL BE AT
A MINIMUM OF 48 INCHES BELOW FINISH GRADE. WHERE UTILITY CONFLICTS OCCUR,
WATERMAINS ARE TO BE LOWERED TO CLEAR.
16. ALL WATERMAINS 6 INCHES AND LARGER IN DIAMETER SHALL BE CLEANED WITH PIPE
CLEANING °PIGS" PRIOR TO DISINFECTION. THE "POLY PIGS" SHALL BE GIRARD
INDUSTRIES AQUA SWAB -AS OR APPROVED EQUAL, 2 LB /CU. FT. DENSITY FOAM WITH
90A DUROMETER URETHANE RUBBER COATING ON THE REAR OF "PIG" ONLY.
17. "PIGS" SHALL BE CYLINDER SHAPED WITH BULLET NOSE OR SQUARE END. THE
CONTRACTOR WILL PERFORM THE CLEANING OPERATION.
18. ALL WATERMAINS AND SERVICES SHALL BE PRESSURE TESTED TO A MINIMUM OF 200
PSI OR 150 PSI OVER OPERATING PRESSURE, IN ACCORDANCE WITH THE
SPECIFICATIONS OF THE CITY OF RENTON AND THE WASHINGTON STATE HEALTH
DEPARTMENT. ALL PRESSURE TESTING SHALL BE DONE IN THE PRESENCE OF A
REPRESENTATIVE OF THE CITY OF RENTON. THE QUANTITY OF WATER LOST FROM THE
MAIN SHALL NOT EXCEED THE NUMBER OF GALLONS PER HOUR AS LISTED IN CITY OF
RENTON STANDARD PLANS & SPECIFICATIONS 7- 11.3(11). THE LOSS IN PRESSURE
SHALL NOT EXCEED 5 PSI DURING THE 2 HOUR TEST PERIOD.
19. ALL WATERMAINS AND SERVICES SHALL BE DISINFECTED BY THE INJECTION OF A 50
PPM (MINIMUM CONCENTRATION) CHLORINE /WATER SOLUTION. DRY CALCIUM
HYPOCHLORITE SHALL NOT BE PLACED IN THE PIPE AS LAID. CHLORINE SHALL BE
METERED /INJECTED IN ACCORDANCE WITH SECTION 7- 11.3(12)E OR 7- 11.3(12)F OF THE
STANDARD SPECIFICATIONS REFERENCED ABOVE.
20. A PRE - CONSTRUCTION CONFERENCE IS REQUIRED PRIOR TO ANY CONSTRUCTION. A
MINIMUM OF FIVE (5) WORKING DAYS NOTICE IS REQUIRED FOR SCHEDULING.
21. TWENTY -FOUR (24) HOURS NOTICE WILL BE REQUIRED PRIOR TO STARTING NEW
CONSTRUCTION.
22, IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO SECURE ALL NECESSARY PERMITS
PRIOR TO STARTING CONSTRUCTION.
23. INSTALLATION OF CORPORATE STOPS, WATER SERVICES, LINES AND METERS SHALL NOT
BE DONE UNTIL ALL SERVICE AGREEMENTS, METER APPLICATIONS, CONSTRUCTION
PERMITS, AND PAYMENT OF FEES HAVE BEEN MADE TO THE CITY OF RENTON.
TERRAFUOMMA
PF DESIGN GROUP, INC.
CIVIL ENGINEERING & LANDSCAPE ARCHITECTURE
5212 37th Avenue SW Seattle WA 98126
phone 206.923.0590 fox 206.923.3507 email office ®terraformadesigngroup.com
WATER UTILITY NOTES AND SPECIFICATIONS (CONT.
24. ALL CONNECTION TO EXISTING MAINS IS TO BE ACCOMPLISHED BY THE CITY OF
RENTON, EXCEPT WET TAPS, WHICH MAY BE MADE BY APPROVED WET TAP
CONTRACTORS WITH PRIOR APPROVAL FROM THE PUBLIC WORKS DEPARTMENT. ALL
NECESSARY EXCAVATION AND MATERIALS ARE TO BE SUPPLIED BY THE CONTRACTOR
AND BE ON -SITE PRIOR TO CITY NOTIFICATIONS.
25. INSPECTION WILL BE ACCOMPLISHED BY A REPRESENTATIVE OF THE CITY OF RENTON.
IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO NOTIFY DEVELOPMENT SERVICES
TWENTY FOUR (24) HOURS IN ADVANCE OF BACKFILLING ALL CONSTRUCTION. THE
CONTRACTOR, AS WELL AS THE ENGINEERS, SHALL KEEP AS -BUILT DRAWINGS.
26. CONTRACTOR TO PROVIDE PLUGS AND TEMPORARY BLOW -OFF ASSEMBLIES FOR TESTING
AND PURITY ACCEPTANCE PRIOR TO FINAL TIE -IN.
27. ALL JOINT RESTRAINT SYSTEMS (SHACKLE RODS, NUTS, BOLTS, ETC.) SHALL BE AS
MANUFACTURED BY THE STAR MANUFACTURING COMPANY OF COLUMBUS OHIO, OR
EQUAL, APPROVED IN WRITING BY THE PUBLIC WORKS DEPARTMENT.
28. ASPHALT AND CONCRETE STREET PAVING SHALL BE SAWCUT TO A MINIMUM DEPTH OF
TWO (2) INCHES. OIL MAT STREETS MAY BE SPADE CUT. ALL SURFACE CONCRETE,
PAVEMENT, SIDEWALKS, CURB, GUTTERS, AND DRIVEWAY APPROACHES SHALL BE
SAWCUT TO A MINIMUM DEPTH OF TWO (2) INCHES OR REMOVED TO AN EXISTING
EXPANSION JOINT.
29, A TEMPORARY COLD MIX ASPHALT PATCH SHALL BE PLACED ON THE DAY OF INITIAL
EXCAVATION WITH A PERMANENT, SEALED PATCH TO BE PLACED, TO CITY OF RENTON
POLICY, WITHIN 10 DAYS. CALL FOR SUBGRADE INSPECTION PRIOR TO PLACEMENT OF
FINAL PATCH. *
30. FOR CITY PROJECTS SUCH AS TELEMETRY CONDUIT, THE PVC PIPE USED SHALL BE ALL
CHEMICAL PROCESS LINES SHALL BE SCHEDULE 80 PVC PIPE. SCHEDULE 40 IN
UNIMPROVED AREAS AND SCHEDULE 80 PVC PIPE UNDER IMPROVED AREAS.
SANITARY SEWER NOTES AND SPECIFICATIONS
1. ALL WORK MATERIALS SHALL BE IN CONFORMANCE WITH THE STANDARDS AND
SPECIFICATION OF THE CITY OF RENTON UTILITY DEPARTMENT AND THE LATEST EDITION
OF THE WSDOT /APWA STANDARDS AND SPECIFICATIONS,
2. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH "STANDARD SPECIFICATIONS FOR
MUNICIPAL PUBLIC WORKS CONSTRUCTION" PREPARED BY WASHINGTON STATE CHAPTER
AMERICAN PUBLIC WORKS ASSOCIATION, LATEST EDITION (APWA) AND CITY OF RENTON
STANDARD SPECIFICATIONS.
3. ALL LOCATIONS OF EXISTING UTILITIES SHOWN ARE APPROXIMATE AND IT SHALL BE THE
CONTRACTOR'S RESPONSIBILITY TO VERIFY THE TRUE AND CORRECT LOCATION SO AS
TO AVOID DAMAGE OR DISTURBANCE.
4. CONTRACTOR IS SOLELY RESPONSIBLE FOR THE MEANS, METHODS AND SEQUENCES OF
CONSTRUCTION AND FOR THE SAFETY OF WORKERS AND OTHERS ON THE
CONSTRUCTION SITE.
5. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO OBTAIN STREET USE AND
ANY OTHER RELATED PERMITS PRIOR TO ANY CONSTRUCTION.
6. PLANS APPROVED BY THE CITY OF RENTON, PUBLIC WORKS DEPARTMENT SHALL TAKE
PRECEDENCE OVER ALL OTHER PLANS.
7. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER
CONSTRUCTION IS IN PROGRESS.
8. THE 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.
9. BACKFILL SHALL BE PLACED EQUALLY ON BOTH SIDES OF THE PIPE IN LAYERS WITH A
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.
10. OPEN CUT ROAD CROSSINGS FOR UTILITY TRENCHES ON EXISTING TRAVELED ROADWAY
SHALL BE BACKFILLED WITH CRUSHED ROCK AND MECHANICALLY COMPACTED. CUTS
INTO THE EXISTING ASPHALT SHALL BE NEATLINE CUT WITH SAW IN A CONTINUOUS
LINE. A TEMPORARY MIX PATCH MUST BE PLACED IMMEDIATELY AFTER BACKFILL AND
COMPACTION. A PERMANENT HOT MIX PATCH SHALL BE PLACED WITHIN 10 DAYS AND
SHALL BE PER CITY OF RENTON CURRENT STANDARDS.
11. DATUM SHALL BE CITY OF RENTON, 1988 NAVD.
12. ALL DISTURBED AREAS SHALL BE SEEDED AND MULCHED OR OTHERWISE STABILIZED TO
THE SATISFACTION OF THE DEPARTMENT FOR THE PREVENTION OF ON -SITE EROSION
AFTER THE COMPLETION OF CONSTRUCTION.
13. ALL PIPE AND APPURTENANCES SHALL BE LAID ON A PROPERLY PREPARED
FOUNDATION IN ACCORDANCE WITH SECTION 7 OF THE CURRENT STATE OF WASHINGTON
STANDARD SPECIFICATIONS 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 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.
14. SANITARY SEWER PIPE SHALL BE POLYVINYL CHLORIDE (PVC) RUBBER GASKETED ASTM
D 3034, SDR 35, OR DUCTILE IRON CLASS 50.
15. IN UNIMPROVED AREAS, MANHOLE TO EXTEND MINIMUM 6 INCHES AND MAXIMUM 12
INCHES ABOVE FINISHED GRADE. IN PAVED AREA, COVER MUST SLOPE IN ALL
DIRECTIONS TO MATCH PAVING.
EXPIRES
2 REVISED WA
1 REVISED PEI
-- PERMIT SUB'
NO.
ROAD RESTORATION
STORM
REVISION
SURFACE WATER DRAINAGE NOTES AND SPECIFICATIONS
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BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A
PRE - CONSTRUCTION MEETING MUST BE HELD WITH THE CITY OF RENTON PLAN
REVIEWER.
ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE CURRENT STANDARD
SPECIFICATIONS FOR ROAD, BRIDGE AND MUNICIPAL CONSTRUCTION PREPARED BY
WSDOT AND THE AMERICAN PUBLIC WORKS ASSOCIATION (APWA), AS AMENDED BY THE
CITY OF RENTON PUBLIC WORKS DEPARTMENT.
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.
A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER
CONSTRUCTION IS IN PROGRESS.
DATUM SHALL BE NAVD 88 UNLESS OTHERWISE APPROVED BY THE CITY OF RENTON
PUBLIC WORKS DEPARTMENT. REFERENCE BENCHMARK AND ELEVATIONS ARE AS
NOTED ON THE PLANS.
ALL SEDIMENTATION /EROSION FACILITIES MUST BE IN OPERATION PRIOR TO CLEARING
AND BUILDING CONSTRUCTION, AND THEY MUST BE SATISFACTORILY MAINTAINED UNTIL
CONSTRUCTION IS COMPLETED AND THE POTENTIAL FOR ON -SITE EROSION HAS
PASSED.
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,
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 ARCHITECT AND APPROVED BY THE PUBLIC WORKS DEPARTMENT, SURFACE
WATER UTILITY SECTION.
ALL PIPE AND APPURTENANCES SHALL BE LAID ON A PROPERLY PREPARED
FOUNDATION IN ACCORDANCE WITH 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 ENTIRE 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
INCHES OVER AND UNDER PVC PIPE.
GALVANIZED STEEL PIPE AND ALUMINIZED STEEL PIPE FOR ALL DRAINAGE FACILITIES
SHALL HAVE ASPHALT TREATMENT #1 OR BETTER INSIDE AND OUTSIDE.
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.
ALL CATCH BASIN GRATES SHALL BE DEPRESSED 0.10 FEET BELOW PAVEMENT LEVEL.
OPEN CUT ROAD CROSSINGS THROUGH EXISTING PUBLIC RIGHT OF WAY WILL NOT BE
ALLOWED UNLESS SPECIFICALLY APPROVED BY CITY OF RENTON
PLANNING /BUILDING /PUBLIC WORKS ADMINISTRATOR.
ROCK FOR EROSION PROTECTION OF ROADSIDE DITCHES, WHERE REQUIRED, SHALL BE
OF SOUND QUARRY ROCK PLACED TO A DEPTH OF ONE (1) FOOT AND MUST MEET THE
FOLLOWING SPECIFICATIONS:
4 - 8 INCH ROCK / 40 - 70% PASSING;
2 - 4 INCH ROCK / 30 - 40% PASSING; AND
LESS THAN 2 INCH ROCK / 10 - 20% PASSING.
ALL BUILDING DOWNSPOUTS AND FOOTING DRAINS SHALL BE CONNECTED TO THE
STORM DRAINAGE SYSTEM, UNLESS APPROVED BY THE CITY PLAN REVIEWER OR
SURFACE WATER UTILITY SECTION. AN ACCURATELY DIMENSIONED, CERTIFIED AS -BUILT
DRAWING OF THIS DRAINAGE SYSTEM WILL BE SUBMITTED TO THE CITY UPON
COMPLETION.
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 FUNCTIONING AND
MAINTENANCE OF THE SYSTEM PROVIDED DURING CONSTRUCTION.
THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING ADEQUATE SAFEGUARD,
SAFETY DEVICES, PROTECTIVE EQUIPMENT, FLAGGERS, AND ANY OTHER NEEDED
ACTIONS TO PROTECT THE LIFE, HEALTH, AND SAFETY OF THE PUBLIC, AND TO
PROTECT PROPERTY IN CONNECTION WITH THE PERFORMANCE OF WORK COVERED BY
THE CONTRACT. ANY WORK WITHIN THE TRAVELED RIGHT OF WAY THAT MAY
INTERRUPT NORMAL TRAFFIC FLOW SHALL REQUIRE A TRAFFIC CONTROL PLAN APPROVE
BY THE PUBLIC WORKS DEPARTMENT, TRANSPORTATION SYSTEMS DIVISION. ALL
SECTIONS OF THE WSDOT STANDARD SPECIFICATIONS 1 -07 -23 TRAFFIC CONTROL
SHALL APPLY.
SPECIAL DRAINAGE MEASURES WILL BE REQUIRED IF THE PROJECT LOCATION IS WITHIN
THE AQUIFER PROTECTION AREA (APA).
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VERnCAL NAVD 1988
HORIZONTAL• NAD 1983/1991
DATU M
SE 1/4 OF SE 1/4 OF SEC. 9, TWP. 23N, RGE. 5E, W.M., KING COUNTY, WA
EROSION CONTROL CONTROL NOTES
19. ALL LIMITS OF CLEARING AND AREAS OF VEGETATION PRESERVATION AS PRESCRIBED
ON THE PLAN(S) SHALL BE CLEARLY FLAGGED IN THE FIELD AND OBSERVED DURING
CONSTRUCTION.
20. ALL REQUIRED SEDIMENTATION /EROSION 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. THE IMPLEMENTATION, MAINTENANCE,
REPLACEMENT AND ADDITIONS TO EROSION /SEDIMENTATION CONTROL SYSTEMS SHALL
BE THE RESPONSIBILITY OF THE PERMITEE.
21. THE EROSION AND SEDIMENTATION CONTROL SYSTEMS DEPICTED ON THIS DRAWING ARE
INTENDED TO BE MINIMUM REQUIREMENTS TO MEET ANTICIPATED SITE CONDITIONS. AS
CONSTRUCTION PROGRESSES AND UNEXPECTED OR SEASONAL CONDITIONS DICTATE, THE
PERMITEE SHALL ANTICIPATE THAT MORE EROSION AND SEDIMENTATION CONTROL
FACILITIES WILL BE NECESSARY TO ENSURE COMPLETE SILTATION CONTROL ON THE
PROPOSED SITE. DURING THE COURSE OF CONSTRUCTION, IT SHALL BE THE
OBLIGATION AND RESPONSIBILITY OF THE PERMITEE TO ADDRESS ANY NEW CONDITIONS
THAT MAY BE CREATED BY THE ACTIVITIES AND TO PROVIDE ADDITIONAL FACILITIES,
OVER AND ABOVE MINIMUM REQUIREMENTS, AS MAY BE NEEDED, TO PROTECT
ADJACENT PROPERTIES AND WATER QUALITY OF THE RECEIVING DRAINAGE SYSTEM.
22. 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, RESTRICTORS, CHANNELS, OR RETENTION FACILITIES.
23. DURING THE TIME PERIOD OF OCTOBER 1ST THROUGH APRIL 30TH, ALL PROJECT
DISTRIBUTED SOIL AREAS GREATER THAN 5,000 SQUARE FEET, THAT ARE TO BE LEFT
UN-WORKED FOR MORE THAN 12 HOURS, SHALL BE COVERED BY MULCH, SODDING OR
PLASTIC COVERING.
24. IN ANY AREA WHICH HAS BEEN STRIPPED OF VEGETATION AND WHERE NO FURTHER
WORK IS ANTICIPATED FOR A PERIOD 30 DAYS OR MORE, ALL DISTURBED AREAS MUST
BE IMMEDIATELY STABILIZED WITH MULCHING, GRASS PLANTING OR OTHER APPROVED
EROSION CONTROL TREATMENT APPLICABLE TO THE TIME 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 PERMITEE, BUT MUST BE AUGMENTED WITH MULCHING, NETTING OR
OTHER TREATMENT APPROVED BY THE CITY OF RENTON, OUTSIDE THE SPECIFIED TIME
PERIOD.
25. FOR ALL EROSION /SEDIMENTATION CONTROL PONDS WHERE THE DEAD STORAGE DEPTH
EXCEEDS 6 INCHES, A FENCE IS REQUIRED WITH A MINIMUM HEIGHT OF THREE (3)
FEET, 3:1 SIDE SLOPES.
26. A TEMPORARY GRAVEL CONSTRUCTION ENTRANCE, 24 FEET X 50 FEET X 8 INCHES OF
4 TO 6 INCH QUARRY SPALLS SHALL BE LOCATED AT ALL POINTS OF VEHICULAR
INGRESS AND EGRESS TO THE CONSTRUCTION SITE.
4: CITY OF
RENTON
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VERnCAL NAVD 1988
HORIZONTAL• NAD 1983/1991
DATU M
SE 1/4 OF SE 1/4 OF SEC. 9, TWP. 23N, RGE. 5E, W.M., KING COUNTY, WA
EROSION CONTROL CONTROL NOTES
19. ALL LIMITS OF CLEARING AND AREAS OF VEGETATION PRESERVATION AS PRESCRIBED
ON THE PLAN(S) SHALL BE CLEARLY FLAGGED IN THE FIELD AND OBSERVED DURING
CONSTRUCTION.
20. ALL REQUIRED SEDIMENTATION /EROSION 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. THE IMPLEMENTATION, MAINTENANCE,
REPLACEMENT AND ADDITIONS TO EROSION /SEDIMENTATION CONTROL SYSTEMS SHALL
BE THE RESPONSIBILITY OF THE PERMITEE.
21. THE EROSION AND SEDIMENTATION CONTROL SYSTEMS DEPICTED ON THIS DRAWING ARE
INTENDED TO BE MINIMUM REQUIREMENTS TO MEET ANTICIPATED SITE CONDITIONS. AS
CONSTRUCTION PROGRESSES AND UNEXPECTED OR SEASONAL CONDITIONS DICTATE, THE
PERMITEE SHALL ANTICIPATE THAT MORE EROSION AND SEDIMENTATION CONTROL
FACILITIES WILL BE NECESSARY TO ENSURE COMPLETE SILTATION CONTROL ON THE
PROPOSED SITE. DURING THE COURSE OF CONSTRUCTION, IT SHALL BE THE
OBLIGATION AND RESPONSIBILITY OF THE PERMITEE TO ADDRESS ANY NEW CONDITIONS
THAT MAY BE CREATED BY THE ACTIVITIES AND TO PROVIDE ADDITIONAL FACILITIES,
OVER AND ABOVE MINIMUM REQUIREMENTS, AS MAY BE NEEDED, TO PROTECT
ADJACENT PROPERTIES AND WATER QUALITY OF THE RECEIVING DRAINAGE SYSTEM.
22. 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, RESTRICTORS, CHANNELS, OR RETENTION FACILITIES.
23. DURING THE TIME PERIOD OF OCTOBER 1ST THROUGH APRIL 30TH, ALL PROJECT
DISTRIBUTED SOIL AREAS GREATER THAN 5,000 SQUARE FEET, THAT ARE TO BE LEFT
UN-WORKED FOR MORE THAN 12 HOURS, SHALL BE COVERED BY MULCH, SODDING OR
PLASTIC COVERING.
24. IN ANY AREA WHICH HAS BEEN STRIPPED OF VEGETATION AND WHERE NO FURTHER
WORK IS ANTICIPATED FOR A PERIOD 30 DAYS OR MORE, ALL DISTURBED AREAS MUST
BE IMMEDIATELY STABILIZED WITH MULCHING, GRASS PLANTING OR OTHER APPROVED
EROSION CONTROL TREATMENT APPLICABLE TO THE TIME 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 PERMITEE, BUT MUST BE AUGMENTED WITH MULCHING, NETTING OR
OTHER TREATMENT APPROVED BY THE CITY OF RENTON, OUTSIDE THE SPECIFIED TIME
PERIOD.
25. FOR ALL EROSION /SEDIMENTATION CONTROL PONDS WHERE THE DEAD STORAGE DEPTH
EXCEEDS 6 INCHES, A FENCE IS REQUIRED WITH A MINIMUM HEIGHT OF THREE (3)
FEET, 3:1 SIDE SLOPES.
26. A TEMPORARY GRAVEL CONSTRUCTION ENTRANCE, 24 FEET X 50 FEET X 8 INCHES OF
4 TO 6 INCH QUARRY SPALLS SHALL BE LOCATED AT ALL POINTS OF VEHICULAR
INGRESS AND EGRESS TO THE CONSTRUCTION SITE.
4: CITY OF
RENTON
Planning /Building /Public Works Dept.
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W- 334703
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DATE
LE DEVELOPMENT /20/06
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