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WATER UTILITY NOTES
AND SPECI FI CATIONS
1. ALL WORK MATERIAL SHALL BE IN CONFORMANCE WITH THE STANDARDS AND SPECIFICATIONS OF THE CITY OF RENTON
PLANNING/BUILOING/PUBLIG WORKS DEPARTMENT AND THE LATEST ED177ON OF THE WSDOT/APWA STANDARDS AND
SPECIFICA TIONS AS APPROVE0 AND MODIFIED BY THE CITY OF RENTON IN THE RENTQN STANDARD PLANS & SPECIFICA T7ONS A
SET OF APPROVED PLANS SHALL BE KEPT ON SITE AT ALL 77MES DURING CONSTRUCTION.
2. 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 430-7301. THE POLICE DEPARTMENT FIRE
DEPARTMENT AND 911 SHALL BE N077FIED 24 HOURS IN ADVANCE OF ANY WORK IN THE RIGHT OF WAY.
J. ALL LOCATIONS OF EXIS77NC U77LI77ES SHOWN ARE APPROXIMATE AND IT- SHALL BE THE CON TRA GT❑R S RESPONSIBILITY TO
VERIFY THE TRUE AND CORRECT LOCATION SO AS TO AVOID DAMAGE OR DISTURBANCE. FOR U77LITY LOCATES CALL 48-HOUR
LOCATORS 800-424-5555.
4. AN APPROVE0 IRAFF7C GONTR❑L PLAN IS REQUIRED T❑ BE SUBMITTED AT THE PRE -CONSTRUCTION MEETING.
5. DATUM FOR VER77CAL GONIR❑L SHALL BE NORTH AMERICAN VER77CAL DATUM 1988 METERS AND FOR HORIZONTAL CONTROL
SHALL BE NORTH AMERICAN DATUM 1983/1991 METERS UNLESS 0THEPWSE APPROVED 8Y IHE CITY OF RENTON PUBLIC WORKS
DEPARTMENT. REFERENCE BENCHMARK AND ELEVA 770NS ARE NOTED ON THE PLANS.
6. ALL WATERMAIN PIPE IS TO BE CEMENT LINED OUC77LE IRON PIPE CONFORMING TO AWWA C170 AND C711 OR LATEST REVISION,
THICKNESS CLASS 52. CEMENT MORTAR LINING AND SEAL COA77NG SHALL CONFORM TO AWWA C104 OR LA TEST REVISION. PIPE
JOINTS TO BE PUSH -ON OR MECHANICAL BEDDING TO BE CLASS C. ALL DUC77LE IRON PIPE AND FITTINGS SHALL BE
POLYETHYLENE WRAPPED PER ANSI/AWWA C105/A21.5- 93 STANDARDS
Z CAST IRON AND OUC77LE IRON FITTINGS SHALL BE CEMENT LINED, PRESSURE RATED AS NOTED ON PLANS AND IN ACCORDANCE
NIH ANSI/AWWA ClIOIA21.10-87. CEMENT LINING SHALL BE IN ACCORDANCE KITH ANSI/AWWA C104/421/4-90. IF FITTINGS
ARE 3 TO 12 INCHES IN DIAMETER AND HA VE MECHANICAL JOINTS THE R T77NGS SHALL IN ACCORDANCE W TH EITHER ANSI/A WWA
C710-A21.10-87 OR ANSI/AWWA C153/A21.53-94. THREE (3) INCH TO 12 INCH DIAMETER RT77NGa WHICH HAVE MECHANICAL
JOINTS AND/OR FLANGED JOINTS SHALL BE IN ACCORDANCE WITH ANSI/AWWA C71OIA21.10.87 OR A COM91NA710N OF
ANSI/AWWA CII0/A21.10.87 AND ANSI/AWWA C753/A21.53-94 SUCH 7NAT THE POR77ON OF THE FITTING WITH A MECHANICAL
JOINTS) MAY BE WITH ANSI/AWWA C7531A21.53-94 AND THAT POR77ON OF THE FIT77NG WITH FLANGED JOINTS) SHALL BE IN
ACCORDANCE WTH AWWA G110/A21.10-87. ACCEPTANCE TESTING IN ACCORDANCE WITH SEC 77ON 53.53 OF ANSI/AWWA SEC 17ON
10-4.3 OF ANSI/AWWA G110/A21.10-87 SHALL BE OBTAINED 8Y THE CONTRACTOR AND 7RANSMInED TO THE OWNER.
8. GATE VALVES SHALL BE IRON BODY, 8RONZED-MOUN70, 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 OPERA77NC
PRESSURE OF 200 PSI. GATE VAL VES SHALL BE CLOW LIST 14, MUELLER COMPANY NO. A2380 OR M & H.
9. FIRE HYDRANTS SHALL BE COREY TYPE (OPENING W77H 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 NA 77ONAL STANDARD THREADS 7-1/2 7HREADS PER INCH AND ONE 4 INCH
PUMPER NOZZLE WITH THE NEW SEA ME PA77ERN 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 OPERA77NG 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 OPERA77NC NUT OF THE SAME
DESIGN AND PROPOR77❑NS AS 77-IE HYDRANT STEM NUT CAPS SHALL BE F177ED WITH SUITABLE NEOPRENE CASKETS FOR
POS717VE WATER 77GH7NESS UNDER TEST PRESSURES
11. THE 4 INCH PUMPER NOZZLE SHALL BE FITTED WITH A STORZ ADAPTER, 4 INCH SEAME THREAD X 5 INCH STORZ. STORZ
ADAPTER SHALL BE FORGED AND/OR EXTRUDED 6061-r6 ALUMINUM ALLOY, HAROCOAT ANODIZED. THREADED END POR77ON
SHALL HAVE NO LUGS AND TWO SET SCREWS 780 DEGREES APART. STORZ FACE TO BE METAL, NO GASKET TO WEA THER. STORZ
CAP TO HAVE SYNIHE17C MOLDED RUBBER GASKET AND SHALL BE ATTACHED TO HYDRANT ADAPTER WI7H 1/8 INCH, COATED,
STAINLESS STEEL, AIRCRAFT CABLE.
12 FIRE HYDRANTS SHALL BE PAINTED WITH TWO COATS OF PAINT PRESERVA77VE PAINT NUMBER 43-655 SAFETY YELLOW OR
APPROVED EQUAL.
13 PUMPER CONNEC77ON TO FACE ROAD WAY ASSEMBLY.
14. FIRE HYDRANTS SHALL BE INSTALLED PER CITY OF RENTON STANDARD DETAIL FOR FIRE HYDRANTS LATEST REVISION.
15. ALL WA7ERMAINS 10 INCHES AND SMALLER TO MAINTAIN A MINIMUM COVER OF 36 INCHES BELOW FINISH GRADE. ALL WA7ERMAIN
12 INCHES AND LARGER SHALL BE AT A MINIMUM OF 48 INCHES BELOW FINISH GRADE. WHERE U77LITY CONFLICTS OCCUR.
WA7ERMAINS ARE TO BE LOWERED TO CLEAR.
16. ALL W47ERMAINS 6 INCHES AND LARGER IN DIAMETER SHALL BE CLEANED KITH PIPE GLEANING -PIGS" PRIOR TO
DISINFECTION. THE 'POLY PIGS" SHALL BE GIRARD INDUSTRIES AQUA SWAB -AS OR APPROVED EQUAL, 2 LB/CU. FT DENSITY
FOAM W77H 90A DUROME TER URETHANE RUBBER GOA77NG ON THE REAR OF 'PIG" ONLY.
17. "PIGS" SHALL BE CYLINDER SHAPED W17H BULLET NOSE OR SQUARE END. THE CONTRACTOR WILL PERFORM THE GLEANING
OPERA 770N.
18. ALL WA7ERMAINS AND SERVICES SHALL BE PRESSURE TESTED TO A MINIMUM OF 200 PSI OR 150 PSI OVER OPERA77NG
PRESSURE, IN ACCORDANCE W17H THESPECIFICA77ONS F THE 17Y F RENT N AN THE WA INGT N STATE HEALTH
55U 0 G ❑ O D 5H ❑ 5
DEPARTMENT ALL PRESSURE TES77NG SHALL BE DONE IN THE PRESENCE OF A REPRESENTA77VE OF THE CITY OF RENTON. THE
OUAN777Y OF WATER LOST FROM THE MAIN SHALL NOT EXCEED THE NUMBER OF GALLONS PER HOUR AS LISTED IN G17Y OF
RENTON STANDARD PLANS & SPECIFICA77ONS 7-11.3(]1J. THE LOSS IN PRESSURE SHALL NOT EXCEED 5 PSI DURING THE 2 HOUR
TEST PERIOD.
19. ALL WATERMAINS AND SERVCES SHALL BE DISINFECTED BY THE INJECTION OF A 50 PPM (MINIMUM CONCEN7RA770N)
CHLORINE/WA7ER SOLU77ON. DRY CALCIUM HYPOCHLORITE SHALL NOT BE PLACED IN THE PIPE AS LAID. CHLORINE SHALL BE
METERED/INJECTED IN ACCORDANCE WITH SEC 77ON 7-11.3(12)E OR 7-71.3(12)F OF THE STANDARD SPECIFICA77ONS REFERENCED
ABOVE
20. A PRE-CONS7RUC77ON CONFERENCE IS REQUIRED PRIOR TO ANY CONSIRUC77ON. A MINIMUM OF FIVE (5) WORKING DAYS N077CE
IS REQUIRED FOR SCHEDULING.
21. TWENTY-FOUR (24) HOURS N077CE WILL BE REQUIRED PRIOR TO S7AR77NG NEW GONSTRUC770N.
22. 1T SHALL BE THE CON IRA GIOR S RESPONSIBILITY TO SECURE ALL NECESSARY PERMITS PRIOR TO STAR77NG CONSTRUCTION.
23. INSTALLATION OF CORPORATE STOPS, WATER SERVICES LINES AND METERS SHALL NOT BE DONE UN77L ALL SERVICE
AGREEMENTS METER APPLICA 17ONS, CONSTRUCTION PERMITS AND PAYMENT OF FEES HAVE BEEN MADE TO THE G17Y OF RENTQN.
24. ALL CONNECTION TO EXIS77NG MAINS IS TO BE ACCOMPLISHED 8Y THE CITY OF RENTON. EXCEPT WET TAPS WHICH MAY BE MADE
BY APPROVED WET TAP C0N7RACT0RS WITH PRIOR APPROVAL FROM THE PUBLIC WORKS DEPARTMENT ALL NECESSARY
EXCAVA7701V AND MA TERIALS ARE TO BE SUPPLIED BY THE CONTRACTOR AND BE ON -SITE PRIOR TO CITY NOTIFICATIONS.
25. INSPECTION WILL BE ACCOMPLISHED BY A REPRESENT477VE OF THE CITY OF PENTON. IT SHALL BE THE CONTRACTORS
RESPONSIBILITY TO N077FY DEVELOPMENT SERVICES TWENTY FOUR (24) HOURS IN ADVANCE OF 8ACKFILLING ALL CONS7RUG77ON.
THE CONTRACTOR, AS WELL AS THE ENGINEERS, SHALL KEEP AS -BUILT ORA WINGS
26. CONTRACTOR TO PROVIDE PLUGS AND TEMPORARY BLOW -OFF ASSEMBLIES FOR 7ES77NG AND PURITY ACCEPTANCE PRIOR 10
FINAL 77E-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 KIP177NG 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 EXIS77NG EXPANSION JOINT:
29. A TEMPORARY COLD MIX ASPHALT PATCH SHALL BE PLACED ON THE DAY OF IN177AL EXCAVA77ON WITH A PERMANENT, SEALED
PATCH TO BE PLACED, TO CITY OF RENTON POLICY, WITHIN 10 DAYS CALL FOR SUBGRADE INSPEG77ON PRIOR TO PLACEMENT OF
FINAL PA TCH. x
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 80 PVC UNDER IMPROVED AREAS
STRL ICTL IRA L NOTES
7. THESE PLANS ARE APPROVED FOR STANDARD ROAD AND DRAINAGE IMPROVEMENTS ONLY. PLANS FOR STRUCTURES
SUCH AS BRIDGES VAULTS, AND RETAINING WALLS REQUIRE A SEPARATE REVIEW AND APPROVAL BY CITY PRIOR TO
CONSTRUCTION.
2. ROCKERIES ARE CONSIDERED TO BE A METHOD OF BANK STABILIZATION AND EROSION CONTROL ROCKERIES IN CITY
ROAD RIGHT-F-WAY SHALL BE CONSTRUCTED IN ACCORDANCE WITH CITY STANDARDS ROCKERIES OUTSIDE OF ROAD
RIGHT-OF-WAY SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE INTERNA77ONAL BUILDING CODE.
SANITARY SEWER NOTES
AND SPECIFICATIONS
1. ALL WORK AND WORK MATERIAL SHALL BE IN CONFORMANCE W17H THE STANDARDS AND SPECIFICA77ONS OF THE CITY OF RENTON
PLANNING/9UILDING/PUBLIC WORKS DEPARTMENT AND THE LATEST ED177ON OF THE WSDOT-/APWA STANDARDS AND
SPECIFICA77ONS AS APPROVED AND MODIFIED 8Y THE CITY OF RENTON IN THE RENTON STANDARD PLANS & SPECIFICATIONS A
SET OF APPROVED PLANS SHALL BE KEPT ON SITE AT ALL 17MES DURING CONSTRUCTION.
2 THE HOURS OF WORK IN 7HE STREET RIGHT OF WAY SHALL BE PER CITY SPECIFICA77ONS ON WEEKDAYS UNLESS OTHERWISE
APPROVED IN WR177NG BY THE PLANNING/BUILDING/PUBLIC WORKS DEPARTMENT AN APPROVED TRAFFIC CONTROL PLAN MUST
BE 08TAINED PRIOR TO BEGINNING ANY WORK WITHIN PUBLIC RIGHT OF WAY.
3. ALL LOCATIONS OF EXIS17NG U77LI77ES SHOWN ARE APPROXIMATE AND IT SHALL BE THE CONTRACTOR RESPONSIBILITY TO VERIFY
THE TRUE AND CORRECT LOCA 17ON SO AS TO AVOID DAMAGE OR DISTURBANCE.
4. A PRE -CONSTRUCTION CONFERENCE AND A 24 HOUR NOTICE SHALL BE REQUIRED PRIOR TO STARTING NEW CONSTRUCTION, 1T
SHALL BE THE CONTRACTORS RESPONSIBILITY TO SECURE ALL NECESSARY PERMITS PRIOR TO STARTING CONSTRUCTION.
(INSPECTION WILL BE ACCOMPLISHED BY A REPRESENTA7711E OF THE CITY OF RENTON.) IT SHALL BE THE CONTRACTOR
RESPONSISIL17Y TO NOTIFY 7HE PUBLIC WORKS INSPECTOR 24 HOURS IN ADVANCE OF 8ACKFILLING 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.
6. 1T SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO OBTAIN STREET USE AND ANY OTHER RELATED PERMITS PRIOR TO
ANY CONSTRUCTION.
SL114FACE WATER DRAINAGE
NOTES AND SPECIFICATIONS
1. THESE NOTES SHALL APPEAR ON PROJECTS FOR THE SURFACE WATER U77LITY.
2 BEFORE ANY CONSTRUCTION OR DEVELOPMENT AC77WTY OCCURS, A PRE -CONSTRUCTION MEE77NG MUST BE HELD BETWEEN THE CITY OF
RENTON PLAN REVIEW SECTION AND THE APPLICANT
3 ALL DESIGN AND CONSTRUC7ION SHALL BE IN ACCORDANCE WITH THE RENTON MUNICIPAL CODE (RMC), THE LATEST EDITION OF THE
STANDARD SPECIFICATIONS FOR ROAD, BRIDGE AND MUNICIPAL CONSTRUCTION PREPARED BY WSDOT AND THE AMERICAN PUBLIC WORKS
ASSOCIA77ON (APWA), AS AMENDED BY THE CITY OF RENTON PUBLIC WORKS DEPARTMENT. IT SHALL BE THE SOLE RESPONSIBILITY OF
THE APPLICANT AND THE PROFESSIONAL CIVIL ENGINEER TO CORRECT ANY ERROR, OMISSION OR VARIATION FROM THE ABOVE
REQUIREMENTS FOUND IN THIS PLANS ALL CORREC77ONS SHALL BE AT NO ADDITIONAL COST TO THE CITY.
4. APPROVAL OF THIS ROAD, GRADING, PARKING AND DRAINAGE PLAN DOES NOT CONSTITUTE AN APPROVAL OF ANY OTHER CONSTRUCTION
(E.G. DOMES77C WATER CONVEYANCE, SEWER CONVEYANCE, GAS, ELECTRICAL. ETC.)THE SURFACE WATER DRAINAGE SYSTEM SHALL BE
CONSTRUCTED ACCORDING TO THE APPROVED PLANS, WHICH ARE ON FILE IN WITH THE CITY. ANY DEWAT70M FROM THE APPROVED
PLANS WILL REQUIRE WRITTEN APPROVAL FROM THE CITY OF RENTON PUBLIC WORKS DEPARTMENT, SURFACE WATER UTILITY SECTION.
5. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS
6. GRADING ACTI W 77ES (SI TE AL 7ERA TION) ARE LIMI TED TO THE HOURS OF 7 A. M. TO 7 P.M. MONDA Y THROUGH SATURDA Y AND NO WORK
ON SUNDAY IS ALLOWED, UNLESS OTHERWISE APPROVED WITH A WRITTEN DECISION BY THE CITY OF RENTON.
Z IT SHALL BE THE APPLICANT S/CONTRACTORS RESPONSIBILITY TO OBTAIN ALL CONSTRUCTION EASEMENTS NECESSARY BEFORE
IN177A77NG OFF -SITE WORK. EASEMENTS REQUIRE CITY REVIEW AND APPROVAL PRIOR TO CONSTRUCTION.
Z PLANS APPROVED BY THE CITY OF RENTON, PUBLIC WORKS DEPARTMENT SHALL TAKE PRECEDENCE OVER ALL 07HER PLANS
8. FRANCHISED UTILITIES OR OTHER INSTALLATIONS THAT ARE NOT SHOWN ON THESE APPROVED PLANS SHALL NOT BE CONSTRUCTED
8. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS UNLESS AN APPROVED SET OF PLANS THAT MEET ALL REQUIREMENTS OF CHAPTER 4 OF THE SURFACE WATER DESIGN MANUAL ARE
SUBMITTED TO THE CITY OF RENTON.
9. 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.
10. BACKnLL 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.
11. OPEN CUT ROAD CROSSINGS FOR U77LITY TRENCHES ON EXIS77NG TRAVELED ROADWAY SHALL BE
12. BACKFILLED WITH CRUSHED ROCK AND MECHANICALLY COMPACTED UNLESS OTHERWISE APPROVED BY
12. DATUM FOR VERTICAL CONTROL 514ALL BE NORTH AMERICAN VERTICAL DATUM 1988 METERS AND FOR HORIZONTAL CONTROL
SHALL BE NORTH AMERICAN DATUM 1983/1991 METERS UNLESS OTHERWISE APPROVED BY THE CITY OF RENTON PUBLIC WORKS
DEPARTMENT. REFERENCE BENCHMARK AND ELEVA 77ONS ARE NOTED ON THE PLANS.
13 ALL DISTURBED AREAS SHALL BE SEEDED AND MULCHED OR 07HERWISE STABILIZED TO THE SA77SFAC77ON OF THE DEPARTMENT
FOR THE PREVENTION OF ON-517E EROSION AFTER THE COMPLE7ON OF CONSTRUCTION.
14. ALL PIPE AND APPURTENANCES SHALL BE LAID ON A PROPERLY PREPARED FOUNDA770M IN ACCORDANCE WITH THE STANDARDS
AND SPECIFICA77ONS OF THE CITY OF RENTON PLANNING/9UILDING/PUBLIC WORKS DEPARTMENT AND THE LATEST EDI77ON OF THE
WSDOT/APWA STANDARDS AND SPECIFICATIONS, AS APPROVED AND MODIFIED BY THE CITY OF RENTON IN THE RENTON
STANDARD PLANS & SPECIFICA TONS. THIS SHALL INCLUDE NECESSARY LEVELING OF THE TRENCH BOTTOM OR THE TOP OF THE
FOUNDATION MATERIAL, AS WELL AS PLACEMENT AND COMPAC770M OF REQUIRED BEDDING MATERIAL, TO UNIFORM GRADE SO
THAT THE EN77RE LENGTH OF THE PIPE WILL BE .SUPPORTED ON A UNIFORMLY DENSE, UNYIELDING BASE. PIPE BEDDING SHALL BE
PEA GRA VEL 6 INCHES ABOVE AND BELO W THE PIPE.
15. SANITARY SEWER PIPE SHALL BE POLYVINYL CHLORIDE (PVC) RUBBER GASKETED ASTM D 3034, SDR 35, OR DUC77LE 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 PA WNG.
ERDS1ON C0NTI4OL NOTES
I. THESE NOTES SHALL APPEAR FOR ALL PROJECTS - SITE IMPROVEMENTS, SURFACE WATER UTILITY, WASTEWATER UTILITY, WATER
U77L1TY, AND TRANSPORTATION PLANS-
2 BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS A PRE -CONSTRUCTION MEETING MUST BE HELD WITH THE CITY
OF RENTON, PUBLIC WORKS DESIGN ENGINEER.
J. THE BOUNDARIES OF THE CLEARING LIMITS AND AREAS OF VEGETA77ON PRESERVA77ON AS PRESCRIBED ON THE PLAN(S) SHALL
BE CLEARLY FLAGGED BY SURVEY TAPE OR FENCING IN THE FIELD PRIOR TO COIVSTRUC770M 1N ACCORDANCE KI7H APPENDIX D
OF THE SURFACE WATER DESIGN MANUAL AND OBSERVED DURING CONSTRUCTION. DURING THE CONSTRUCTION PERIOD,
NO
DISTURBANCE BEYOND THE CLEARING LIMITS SHALL BE PERMITTED. THE CLEARING LIMITS SHALL BE MAINTAINED BYTHE
APPLICANT/ESC SUPERVISOR FOR THE DURA77ON OF CONSTRUCTION.
4. STABILIZED CONSTRUCTION ENTRANCES SHALL BE INSTALLED AT THE BEGINNING OF CONSTRUCTION AND MAINTAINED FOR THE
DURA770M OF THE PROJECT. ADD177ONAL MEASURES, SUCH AS CONSTRUCTED WHEEL WASH SYSTEMS OR WASH PADS, MAY BE
REQUIRED TO ENSURE THAT ALL PAVED AREAS ARE KEPT CLEAN AND TRACK OUT TO ROAD RIGHT OF WAY DOES NOT OCCUR FOR
THE DURATION OF THE PROJECT.
5. ALL REQUIRED SEDIMENTA770NIEROSION CONTROL FACIL177ES MUST BE CONSTRUCTED AND IN OPERATION PRIOR TO LAND
CLEARING AND/OR CONSTRUCTI0N TO PREVENT 7PANSPORTA77ON OF SEDIMENT TO SURFACE WATER, DRAINAGE SYSTEMS AND
ADJACENT PROPERTIES ALL EROSION AND SEDIMENT FACIL177ES SHALL BE MAINTAINED IN A SATISFACTORY COND177ON UNTIL
SUCH 77ME THAT CLEARING AND/OR CONSTRUCTION 15 COMPLETE AND P07EN77AL FOR ON -SITE EROSION HAS THE
IMPLEMENTATION, MAINTENANCE, REPLACEMENT AND ADD177ONS TO EROSION/SEDIMENTATION CONTROL SYSTEMS SHALL BE THE
RESPONSIBILITY OF THE PERMI TEE.
6. THE EROSION AND SEDIMENTATON CONTROL SYSTEMS DEPICTED ON THIS DRAWING ARE INTENDED TO BE MINIMUM REQUIREMENTS
TO MEET AN77CIPATED SITE CONDITIONS. AS CONSTRUCTION PROGRESSES AND UNEXPECTED OR SEASONAL CONDITIONS DICTATE,
THE PERMTTEE SHALL AN17CIPATE THAT MORE EROSION AND SEDIMENTATION CONTROL FACILI77ES WILL BE NECESSARY TO ENSURE
COMPLETE SILTA77ON CONTROL ON THE PROPOSED SITE DURING THE COURSE OF CONSTRUC770N, IT SHALL BE THE OBLIGA77ON
AND RESPONSIBILITY OF THE PERMTTEE TO ADDRESS ANY NEW CON0177ONS THAT MAY BE CREATED BY THE ACTIW77ES AND TO
PROVIDE ADD177ONAL FACILITIES, OVER AND ABOVE MINIMUM REQUIREMENTS, AS MAY BE NEEDED, TO PROTECT ADJACENT
PROPER77ES AND WATER QUALITY OF THE RECEIVING DRAINAGE SYSTEM.
Z APPROVAL OF THIS PLAN IS FOR EROSIONISEDIMENTA7ON CONTROL ONLY. IT DOES NOT CONSTITUTE AN APPROVAL OF STORM
DRAINAGE DESIGN, SIZE NOR LOCA 77ON OF PIPES, RES7RICTORS, CHANNELS, OR RE7EN77ON FACILITIES,
8. ANY AREAS OF EXPOSED SOILS, INCLUDING ROADWAY EMBANKMENTS, 7HA T WILL NOT BE DISTURBED FOR TWO DAYS DURING THE
WET SEASON (OCTOBER IsT TROUGH MARCH 30m) OR SEVEN DAYS DURING THE DRY SEASON (APRIL IsT TOUGH SEPTEMBER 30)
SHALL BE IMMEDIATELY STABILIZED WTH THE APPROVED ESC COVER METHODS (E.G., SEEDING MULCHING, PLAS77C COVERING,
ETC.).
9. WET SEASON SEASONAL EROSION AND SEDIMENT CONTROL REQUIREMENTS APPLY TO ALL CONSTRUCTION SITES CLEARING
BETWEEN OCTOBER 1 AND MARCH 30 INCLUSIVE, UNLESS OTHERWISE APPROVED BY THE CITY THROUGH AN ADJUSTMENT
PROCESS
10 COVER MEASURES WILL BE APPLIED IN CONFORMANCE WITH APPENDIX D OF THE SURFACE WATER DESIGN MANUAL.
11. ANY AREA NEEDING ESC MEASURES, NOT REQUIRING IMMEDIATE ATTENTION, SHALL BE ADDRESSED AT THIN SEVEN (7) DAYS
12 THE ESC FACIL177ES ON INAC77VE SITES SHALL BE INSPECTED AND MAINTAINED A MINIMUM OF ONCE A MONTH OR AITHIN 24
HOURS FOLLOWING A STORM EVENT.
13. AT NO TIME SHALL MORE THAN ONE (1) FOOT OF SEDIMENT BE ALLOWED TO ACCUMULATE MTHIN A CATCH BASIN. ALL CATCH
BASINS AND CONVEYANCE LINES SHALL BE CLEANED PRIOR TO PAVING. THE CLEANING OPERATION SHALL NOT FLUSH
SEDIMENT -LADEN WATER INTO THE DOWNSTREAM SYSTEM.
14. DURING THE 77ME PERIOD OF OCTOBER 1sr THROUGH MARCH 307H, ALL PROJECT DISTRIBUTED SOIL AREAS GREATER, THAT ARE TO
BE LEFT UN -WORKED FOR MORE THAN 12 HOURS, SHALL BE COVERED BY MULCH, SODDING OR PLAS77C COVERING.
15. ANY PERMANENT RETFNT70N/DETENT70N FACILITY USED AS A TEMPORARY SETTLING BASIN SHALL BE MODIFIED WITH THE
NECESSARY EROSION CONTROL MEASURES AND SHALL PROVIDE ADEQUATE STORAGE CAPACITY. IF THE PERMANENT FACILITY IS
TO FUNC77ON UL77MATELY AS AN INFIL7RA770M SYSTEM, THE TEMPORARY FACILITY MUST BE ROUGH GRADED SO THAT THE
BOTTOM AND SIDES ARE A T LEAST THREE FEET ABOVE THE FINAL GRADE OF THE PERMANENT FACILITY.
16. PRIOR TO THE BEGINNING OF THE WET SEASON (OCT. 1), ALL DISTURBED AREAS SHALL BE REVIEWED TO IDENTIFY WHICH ONES
CAN BE SEEDED IN PREPARA77ON FOR THE WINTER RAINS DISTURBED AREAS SHALL BE SEEDED WITHIN ONE WEEK OF THE
BEGINNING OF THE WET SEASON. A SKETCH MAP OF THOSE AREAS TO BE SEEDED AND THOSE AREAS TO REMAIN UNCOVERED
SHALL BE SUBMITTED TO THE CITY OF RENTON FOR REVIEW.
1 Z ALL EROSION & SEDIMENTA 77ON CONTROL MEASURES MUST BE APPROVED AFTER CONSTRUCTION AC77VITY IS COMPLETE.
1 REVISED OR/ VEWA YS SSMH 2 & SELECT SERVICES
2 ADJUST LOTS 6-8
3 UPDATED CURB RAMP PER CITY COMMEN TS
4 WA TER UPDA TES PER FIELD CONDI DONS
5 1 REVISIONS TO EAST END OF ALLEY (SW 3RD CT)
No.
:irk
9. DATUM SHALL BE NAIAD 88 UNLESS OTHERWISE APPROVED BY THE CITY OF RENTON.
REFERENCE BENCHMARK AND ELEVA77ONS ARE NOTED ON THE PLANS
10 ANY DEWATERING SYSTEM NECESSARY FOR THE CONSTRUCTION OF STORMWATER FACILITIES MUST BE SUBMITTED TO THE CITY FOR
REVIEW AND APPROVAL.
11. ALL U77LITY TRENCHES AND ROADWAY SUBGRADE SHALL BE BACKFILLED AND COMPACTED TO 95 PERCENT DENSITY, STANDARD PROCTOR.
12 OPEN CUT77NG OF EXIS77NG ROADWAYS FOR NON -FRANCHISED U77LITY OR STORM DRAINAGE WORK IS NOT ALLOWED UNLESS
SPECIFICALLY APPROVED BY THE CITY OF RENTON AND NOTED ON THESE APPROVED PLANS ANY OPEN CUT SHALL BE RESTORED IN
ACCORDANCE WITH THE CITY OF RENTON TRENCH RESTORA77ON STANDARDS
13 ALL SEDIMENTA770NIEROSION FACILITIES MUST BE IN OPERA 77ON PRIOR TO CLEARING AND BUILDING CONSTRUCTION, AND THEY MUST BE
SATISFACTORILY MAINTAINED UNTIL CONSTRUC7ION IS COMPLETED AND THE POTENTIAL FOR ON -SITE EROSION HAS PASSED.
14. ALL RETENPON/DETENPON FACILITIES MUST BE INSTALLED AND IN OPERATION PRIOR TO OR IN CONJUNCTION WITH ALL CONSTRUC7ION
ACTIVITY UNLESS OTHERWISE APPROVED BY THE PUBLIC WORKS DEPARTMENT, SURFACE WATER UTILITY SECTION.
15. ALL PIPE AND APPURTENANCES SHALL BE LAID ON A PROPERLY PREPARED FOUNDA7ION IN ACCORDANCE WITH 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 EXCEP77ON OF PVC PIPE.
16. STEEL PIPE SHALL BE ALUMINIZED, OR GALVANIZED WITH ASPHALT TREATMENT,f1 OR BETTER INSIDE AND OUTSIDE.
I ALL DRAINAGE STRUCTURES, SUCH AS CATCH BASINS AND MANHOLES SHALL HAVE SOLID LOCKING LIDS. ALL DRAINAGE STRUCTURES
ASSOCIATED WITH A PERMANENT RE7EN770N/DE7EN77ON FACILITY SHALL HAVE SOLID LOCKING LIDS
18. BUILDING AND OTHER STRUCTURES SHALL BE PLACED IN ACCORDANCE WITH TABLE 4.1 EASEMENT WDTHS AND BUILDING SETBACKS
LINES
19. ALL CATCH BASIN GRATES SHALL BE DEPRESSED 0.10 FEET BELOW PAVEMENT LEVEL.
20. ALL DRIVEWAY CULVERTS LOCATED WITHIN CITY OF RENTON RIGHT-OF-WAY SHALL BE OF SUFFICIENT LENGTH TO PROVIDE A MINIMUM 3. 1
SLOPE FROM THE EDGE OF THE DRIVEWAY TO THE BOTTOM OF THE Of TCHH, ROCK FOR EROSION PRO TEC7ION 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 - 7OX PASSING;
2 - 4 INCH ROCK / 30 - 40X PASSING; AND
LESS THAN 2 INCH ROCK / 10 - 20% PASSING.
21. ALL BUILDING DOWNSPOUTS AND F0077NG 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.
22. DRAINAGE OUTLETS (STUB -OUTS) SHALL BE PROVIDED FOR EACH INDIVIDUAL LOT, EXCEPT FOR THOSE LOTS APPROVED FOR
INRLIRA 77ON BY THE CITY. STUB -OUTS SHALL CONFORM TO THE FOLLOWING. -
A. EACH OUTLET SHALL BE SUITABLY LOCATED AT THE LOWEST ELEVA77ON ON THE LOT, SO AS TO SERVICE ALL FUTURE ROOF DOWNSPOUTS
AND FOO77NG DRAINS, DRIVEWAYS, YARD DRAINS, AND ANY OTHER SURFACE OR SUBSURFACE DRAINS NECESSARY TO RENDER THE LOTS
SUITABLE FOR THEIR INTENDED USE. EACH OUTLET SHALL HAVE FREE -FLOWING, P05177VE DRAINAGE TO AN APPROVED STORMWA7ER
CONVEYANCE SYSTEM OR TO AN APPROVED OUTFALL LOCATION.
B. OUTLETS ON EACH L 0 T SHALL BE LOCATED WITH A FIVE -FOOT -HIGH, 2" X 4" STAKE MARKED 'STORM" OR 'DRAIN". THE STUB -OUT SHALL
EXTEND ABOVE SURFACE LEVEL, BE VISIBLE, AND BE SECURED TO THE STAKE
C. PIPE MA7ERIAL SHALL CONFORM TO UNDERDRAIN SPECIFICATIONS DESCRIBED IN CHAPTER 4 OF THE SURFACE WATER DESIGN MANUAL
AND, IF NON-METALLIC, THE PIPE SHALL BE PLACED IN A TRENCH WITH A TRACING WIRE ABOVE OR OTHER ACCEPTABLE DETECTION.
D. PRIVA TE DRAINAGE EASEMENTS ARE REQUIRED FOR DRAINAGE SYSTEMS DESIGNED TO CONVEY FLOWS THROUGH INDIVIDUAL L075
E. THE APPLICANT/CONTRACTOR IS RESPONSIBLE FOR COOROINA77NG THE LOCATIONS OF ALL STUB -OUT CONVEYANCE LINES WITH RESPECT
TO OTHER UTILITIES (E.G. POWER, GAS, TELEPHONE, TELEVISION).
F. ALL INDIVIDUAL STUB -OUTS SHALL BE PRIVATELY OWNED AND MAINTAINED BY THE LOT HOME OWNER.
G. STORM DRAINAGE PIPE SYSTEMS SHALL NOT PENETRATE BUILDING FOUNDAT7ONS, EXCEPT FOR SUMP PUMP DISCHARGE LINES USED TO
DRAIN CRAWL SPACES, PROIDED THE SUMP PUMP SYSTEM INCLUDES BACKFL❑W PREVENTION OR A CHECK VALVE.
23. ALL DISTURBED PERVIOUS AREAS (COMPACTED, GRADED, LANDSCAPED, ETC.) OF THE DEVELOPMENT SITE MUST DEMONSTRATE ONE OF
THE FOLLOWING- THE EXISTING DUFF LAYER SHALL BE STAGED AND REDISTRIBUTED TO MAINTAIN THE MOISTURE CAPACITY OF THE SOIL,
OR; AMENDED SOIL SHALL BE ADDED TO MAINTAIN THE MOISTURE CAPACITY.
24. PROOF OF LIABILITY INSURANCE SHALL BE SUBMITTED TO THE CITY PRIOR TO CONS TRUCT7ON PERMIT ISSUANCE.
25. ISSUANCE OF THE BUILDING OR CONSTRUCT70N PERMITS BY THE CITY OF RENTON DOES NOT RELIEVE THE ❑MER OF THE CONTINUING
LEGAL OBLIGA 77ON AND/0R LIABILI TY CONNECTED Af T'H STORM SURFACE WA TER DISPOS1770N. FURTHER, THE CI TY OF RENTON DOES NOT
ACCEPT ANY OBLIGA77ON FOR THE PROPER FUNCT70NING AND MAINTENANCE OF THE SYSTEM PROVIDED DURING CONSTRUCTION.
26. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING ADEQUATE SAFEGUARD, SAFETY DEVICES, PRO TEC77VE EQUIPMENT, FLAGGER5S
AND ANY OTHER NEEDED AC77ONS TO PR07ECT THE LIFE, HEALTH, AND SAFETY OF THE PUBLIC, AND TO PROTECT PROPERTY IN
CONNECT70N WITH THE
27. PERFORMANCE OF WORK. ANY WORK WITHIN THE 7RAVELED RIGHT-OF-WAY THAT MAY INTERRUPT NORMAL TRAFFIC FLOW SHALL
REQUIRE A TRAFFIC CONTROL PLAN APPROVE BY THE PUBLIC WORKS DEPARTMENT, 7RANSPORTATION SYSTEMS DIVISION. ALL SECTIONS
OF THE WSDOT STANDARD SPECIFICA77ONS 1-07-23 TRAFFIC CON7POL SHALL APPLY.
28. PROJECT LOCATED WITHIN THE AQUIFER PROTECTION AREA (APA) SHALL COMPLY WITH SPECIAL REQUIREMENT #6 OF THE SURFACE
WATER DESIGN MANUAL AND AQUIFER PROTECTION REGULA 77ONS (RMC 4-3-050).
UNDERGROUND UTILITY NOTEI
UNDERGROUND U77LI77ES ARE SHOWN IN THE APPROXIMATE
LOCATION. THERE 1S NO GUARANTEE THAT ALL UTILITY LINES ARE
SHOWN, OR THAT THE LOCATION, SIZE AND MATERIAL IS
ACCURATE. THE CONTRACTOR SHALL UNCOVER ALL INDICATED
PIPING WHERE CROSSING, INTERFERENCES, OR CONNECTIONS OCCUR
PRIOR TO TRENCHING OR EXCAVATION FOR ANY PIPE OR
STRUCTURES, TO DETERMINE ACTUAL LOCATIONS, SIZE AND
MATERIAL. THE CONTRACTOR SHALL MAKE THE APPROPRIATE
PROVISION FOR PROTECTION OF SAID FACILITIES. THE CONTRACTOR
SHALL NOTIFY ONE CALL AT 8-1-1 (WASHINGTON811. COM) AND
ARRANGE FOR FIELD LOCA T]ON OF EXISTING FACIL177ES BEFORE
CONSTRUCTION.
LMT
4/2/18
SURVEYED:
�AITCH EVENS, PLS
SCALE:
AS NOTED
LMT
5/22/18
DESIGNED:
SHAWN COOPER
LMT
6115118
SOC
7110118
DRAWN:
SHAWN COOPER
ONE INCH
CHW
8/10/18
CHECKED:
BRETT K. PUDISTS, PE
AT FULL SCALE
IF NOT ONE INCH
SCALE ACCORDINGLY
BY
DATE
APPR
APPROVED:
BRETT K. PUDISTS, PE
VERTICAL• HAVD 1988
HORIZONTAL MD 195.3/19131
DATUM
9/IS/aw
O TY OF
V"RENTON
Planning/Building/Public Works Dept.
LEGEND
PRDPDSED FEATURES
----BOUNDARY
MAILBOX
RIGHT - OF- WAY
i
SIGN
LOT LINE
FLOW & CURB
STREET LIGHT
-
CENTER LINE
-------------
SA WCUT
❑
ASPHAL T PAVEMENT
EASEMENT
SIDEWALK
GRADING AND TESC FEATURES
790
10' PROPOSED CONTOURS
0
OVERFLOW STRUCTURE
192
2' PROPOSED CONTOURS
44
PIPE FLOW
RETAINING WALL
INTERIM CA TCH BASIN
ROCKERY
PRO TECT70N (GRAVEL)
S1L T FENCE
INTERIM CATCH BASIN
CONSTRUC77ON FENCE
O
PROTECT70N (INSERT)
CLEARED AREA
TRIANGULAR SILT DIKE
LIMITS OF CLEARING
y
RIPRAP
• • • INTERCEPTOR SWALE
INTERCEPTOR CULVERT
TEMPORARY STORM PIPE
PRDPDSED .STORM DRAINAGE
STORM DRAIN PIPE
PIPE FLOW
-------------
ROOF & FOOTING DRAIN
CUL VER T END
-------------------
ROCKERY DRAIN
®■
RIPRAP PAD
YARD DRAIN
�
STORM CLEANDUT
■
CATCH BASIN, TYPE/
CATCH BASIN, TYPE I!
PROPOSED SANITARY SEWER AND WATER
- -
SEWER MAIN
BLOW OFF
SEWER SERVICE
IN[
GA TE VALVE
- - - - - - WATER MAIN
Q
SEWER MANHOLE
]�{
TEE W/ CDNC BLOCKING
PIPE FLOW
BEND W/ CDNC BLOCKING
0
SEWER CLEANOUT
i■[
REDUCER
5--
WATER METER
SLEEVE
o-
IRRIGA77ON METER
FIRE HYDRANT
EXISTING FEATURES
ADJACENT PARCEL
-0-
POWER POLE
ADJACENT RIGHT-OF-WAY
GUY ANCHOR
-
CENTERLINES
STREET LIGHT
EASEMENT
TRANSFORMER
- - - - - -
- SURFACE FEA TURES
L/LlLILCLL/1/1 BUILDING F007PRINT
,W
POWER METER
- - -19D-
IO' CONTOURS
21
JUNCTION BOX
------192--
2' CONTOURS
17
GAS METER
- - - - SD
- STORM DRAIN PIPE
- - - - SS
- SEWER MAIN
GAS VALVE
- - - W
- WA TER MAIN
o
MAIL BOX
- - - - OHP-
AERIAL POWER LINE
r-1
SIGN
G-GAS
MAIN
----X-
ENCE
F
CONIFEROUS TREE
RETAINING WALL
ROCKERY
DECIDUOUS TREE
❑
CATCH BASIN, TYPE 1
CONIFEROUS TREE
@❑
CATCH BASIN, TYPE If
TO BE SAVED
❑
SO PIPE FLOW
DECIDUOUS TREE
O
SEWER MANHOLE
TO HE SA VED
❑
SS PIPE FLOW
ASPHALT
A
FIRE HYDRANT
M--
WATER METER
CONCRETE
N
GA TE VALVE
❑
GRA VEL
BY:
BY:
BY:
BY:
R-393502
APPROVED FOR CONSTRUCTION
SUBJECT TO ERRORS AND OMISSIONS
LAN GSTON ALLEY PROJECT
ROAD AND UTILITY IMPROVEMENTS
NOTES AND LEGEND
AS -BUILT
DATE:
DATE:
DATE:
DATE:
9/18/2O
FIELDBOOK:
PAGE:
DRAWING NO:
GN-01
SHEET: 2 27
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