HomeMy WebLinkAboutR-373204BLOCKGOR
icinity
w
z
U
w
'o
Of
a
W
0
0
w
J_
LL
F-
U)
W
Y
a
a
0
O
O
W
J
a
Q
CITY OF RENTON STANDARD NOTES
SURFACE WATER STANDARD PLAN NOTES
1. THESE NOTES SHALL APPEAR ON PROJECTS FOR THE SURFACE WATER UTILITY.
2 BEFORE ANY CONSIRUC71ON OR DEVELOPMENT AC77WTY OCCURS, A PRE - CONSTRUCTION MEE77NG MUST BE HELD BETWEEN
THE CITY OF RENTON PLAN REVIEW SECTION AND THE APPLICANT.
J. ALL DESIGN AND CONSTRUCTION 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 ASSOCIATION (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 THESE PLANS. ALL CORRECTIONS SHALL BE
AT NO ADDIRONAL COST TO THE CITY.
4. APPROVAL OF THIS ROAD, GRADING, PARKING AND DRAINAGE PLAN DOES NOT CONS177TUTE AN APPROVAL OF ANY OTHER
CONSTRUCTION (E.G. DOMESTIC WATER CONVEYANCE, SEWER CONVEYANCE, GAS, ELECTRICAL, ETC.) THE SURFACE WATER
DRAINAGE SYSTEM SHALL BE CONSTRUCTED ACCORDING TO THE APPROVED PLANS, WHICH ARE ON FILE WITH THE CITY.
ANY DEVIATION 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 ACTIVITIES (SITE ALTERATION) ARE LIMITED TO THE HOURS OF 7 A.M. TO 7 P.M. MONDAY THROUGH SATURDAY
AND NO WORK ON SUNDAY IS ALLOWED, UNLESS OTHERWISE APPROVED WITH A WRITTEN DECISION BY THE CITY OF
RENTON.
7 IT SHALL BE THE APPUCANYS /CONTRACTORS RESPONSIBILITY TO OBTAIN ALL CONSTRUCTION EASEMENTS NECESSARY
BEFORE INITIATING OFF -SITE WORK EASEMENTS REQUIRE CITY REVIEW AND APPROVAL PRIOR TO CONSTRUCTION.
8. FRANCHISED U71LI71ES OR OTHER INSTALLATIONS THAT ARE NOT SHOWN ON THESE APPROVED PLANS SHALL NOT BE
CONSTRUCTED UNLESS AN APPROVED SET OF PLANS THAT MEET ALL REQUIRMENTS OF CHAPTER 4 OF THE SURFACE
WATER DESIGN MANUAL ARE SUBMITTED TO THE CITY OF RENTON.
9. DATUM SHALL BE NAVD 88 UNLESS 07HERMSE APPROVED BY THE CITY OF RENTON. REFERENCE BENCHMARK AND
ELEVA71ONS ARE NOTED ON THE PLANS.
10. ANY DEWATERING SYSTEM NECESSARY FOR 774E CONSTRUCTION OF STORMWATER FACILITIES MUST BE SUBMITTED TO THE
CITY FOR REVIEW AND APPROVAL.
11. ALL UTILITY TRENCHES AND ROADWAY SUBGRADE SHALL BE BACKFILLED AND COMPACTED TO 95 PERCENT DENSITY,
STANDARD PROCTOR.
12. OPEN CUT77NG OF EXISTING 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 RESTORATION STANDARDS.
13. ALL SEDIMENTA770N /EROSION FACILITIES MUST BE IN OPERA7ION PRIOR TO CLEARING AND BUILDING CONSTRUCTION, AND
THEY MUST BE SATISFACTORILY MAINTAINED UN71L CONSTRUCTION IS COMPLETED AND THE POTENTIAL FOR ON -SITE
EROSION HAS PASSED.
14. ALL RE7ENTION/DETEN7ION FACILI7ES 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.
15. ALL PIPE AND APPURTENANCES SHALL BE LAID ON A PROPERLY PREPARED FOUNDATION 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 FOUNDA77ON MATERIAL, AS WELL AS PLACEMENT AND
COMPACTION OF REQUIRED BEDDING MATERIAL, TO UNIFORM GRADE SO THAT THE ENTIRE LENGTH OF THE PIPE WILL BE
SUPPPORTED ON A UNIFORMLY DENSE,UNWELDING BASE. ALL PIPE BEDDING SHALL BE APWA CLASS "C`, WITH THE
EXCEP71ON OF PVC PIPE.
16. STEEL PIPE SHALL BE ALUMINIZED, OR GALVANIZED WITH ASPHALT TREATMENT #1 OR BETTER INSIDE AND OUTSIDE.
17 ALL DRAINAGE STRUCTURES, SUCH AS CATCH BASINS AND MANHOLES SHALL HAVE SOLID LOCKING LIDS. ALL DRAINAGE
STRUCTURES ASSOCIATED WITH A PERMANENT RETENTION /DETENTION FACILITY SHALL HAVE SOLID LOCKING LIDS.
18. BUILDING AND 07HER STRUCTURES SHALL BE PLACED IN ACCORDANCE WITH TABLE 4.1 EASEMENT WIDTHS AND BUILDING
SETBACKS LINES.
19. ALL CATCH BASIN GRATES SHALL BE DEPRESSED 0.10 FEET BELOW PAVEMENT LEVEL.
20.ALL DRIVEWAY CULVERTS LOCATED K17HIN 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 DITCH. 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 -707 PASSING,
2 - 4 INCH ROCK / 30 -407 PASSING,• AND
LESS THAN 2 INCH ROCK / 10 -207 PASSING.
CITY OF RENTON
Approved by: Date:
UTILITY PERMIT Approved by: Date:
NO. U13002729 Approved by: Date:
CoWi*IA4o W13 (PH ce,a Mwc. aiR m Rac,wa. Aooroved bv: Date:
TWP.23N., RGE. 5E., W.M.
21. 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, CER77F7ED
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 INFILTRATION BY THE CITY. STUB -OUTS SHALL CONFORM TO THE FOLLOWING:
A.EACH OUTLET SHALL BE SUITABLY LOCATED AT THE LOWEST ELEVATION ON THE LOT, SO AS TO SERVICE ALL FUTURE
ROOF DOWNSPOUTS AND FOOTING 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 POS17I11E DRAINAGE TO AN APPROVED STORMWATER CONVEYANCE SYSTEM OR TO AN APPROVED OUTFALL
LOCATION.
B. OUTLETS ON EACH LOT 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 MATERIAL 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.PRIVATE DRAINAGE EASEMENTS ARE REQUIRED FOR DRAINAGE SYSTEMS DESIGNED TO CONVEY FLOWS THROUGH
INDIVIDUAL LOTS.
E. THE APPLICANT /CONTRACTOR IS RESPONSIBLE FOR COORDINATING THE LOCATIONS OF ALL STUB -OUT CONVEYANCE LINES
WITH RESPECT TO 07HER 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 FOUNDATIONS, EXCEPT FOR SUMP PUMP DISCHARGE
LINES USED TO DRAIN CRAWL SPACES, PROVIDED THE SUMP PUMP SYSTEM INCLUDES BACKFLOW 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 CONSTRUCTION PERMIT ISSUANCE.
25. 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 FUNC710NING AND MAINTENANCE OF THE SYSTEM
PROVIDED DURING CONSTRUCTION.
26.THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING ADEQUATE SAFEGUARD, SAFETY DEVICES, PR07EC17VE
EQUIPMENT, FLAGGERS, AND ANY 07HER NEEDED AC77ONS TO PROTECT THE LIFE, HEALTH, AND SAFETY OF THE PUBLIC,
AND TO PROTECT PROPERTY IN CONNECTION WITH THE PERFORMANCE OF WORK. 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, 7RANSPORTA170M SYSTEMS DIVISION. ALL SECTIONS OF THE WSDOT STANDARD
SPECIFICA77ONS 1 -07 -23 TRAFFIC CONTROL SHALL APPLY.
27.PROJECT LOCATED WITHIN THE AQUIFER PR07EC77ON AREA (APA) SHALL COMPLY W17H SPECIAL REQUIREMENT #6 OF THE
SURFACE WATER DESIGN MANUAL AND AQUIFER PR07ECTION REGULATIONS (RMC 4 -3 -050).
EROSION CONTROL NOTES
1. THESE NOTES SHALL APPEAR FOR ALL PROJECTS - SITE IMPROVEMENTS, SURFACE WATER UTILITY, WASTEWATER UTILITY,
WATER UTILITY, AND TRANSPORTATION PLANS:
2. BEFORE ANY CONSTROC77ON OR DEVELOPMENT ACTIVITY OCCURS, A PRE - CONSTRUCTION MEETING MUST BE HELD WITH THE
CITY OF RENTON, PUBLIC WORKS DESIGN ENGINEER.
3. THE BOUNDARIES OF THE CLEARING LIMITS AND AREAS OF VEGETATION PRESERVA77ON AS PRESCRIBED ON THE PLAN(S)
SHALL BE CLEARLY FLAGGED BY SURVEY TAPE OR FENCING IN THE FIELD PRIOR TO CONSTRUCTION IN ACCORDANCE K1774
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 BY THE APPLICANT /ESC SUPERVISOR FOR THE DURA71ON OF CONSTRUCTION.
4. STABILIZED CONSTRUCTION ENTRANCES SHALL BE INSTALLED AT THE BEGINNING OF CONSTRUCTION AND MAINTAINED FOR
THE OURA77ON OF THE PROJECT. ADDITIONAL 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 SEDIMENTA770N /EROSION CONTROL FACILITIES MUST BE CONSTRUCTED AND IN OPERATION PRIOR TO LAND
CLEARING AND /OR CONSTRUCTION TO PREVENT TRANSPORTATION OF SEDIMENT TO SURFACE WATER, DRAINAGE SYSTEMS
AND ADJACENT PROPERTIES. ALL EROSION AND SEDIMENT FACILITIES SHALL BE MAINTAINED IN A SATISFACTORY COND17ION
UN77L SUCH TIME THAT CLEARING AND /OR CONSTRUCTION IS COMPLETE AND P07EN77AL FOR ON -SITE EROSION HAS
PASSED. THE IMPLEMENTATION, MAINTENANCE, REPLACEMENT AND ADDITIONS TO EROSIONISEDIMENTA71ON CONTROL
SYSTEMS SHALL BE THE RESPONSIBILITY OF THE PERMITEE.
6. THE EROSION AND SEDIMENTATION CONTROL SYSTEMS DEPICTED ON THIS DRAWING ARE INTENDED TO BE MINIMUM
REQUIRMEENTS TO MEET ANTICPATED SITE CONDI77ONS. AS CONSTRUCTION PROGRESSES AND UNEXPECTED OR SEASONAL
CONDITIONS DICTATE, THE PERMITEE SHALL AN77CIPATE THAT MORE EROSION AND SEDIMENTATION CONTROL FACILITIES WILL
BE NECESSARY TO ENSURE COMPLETE SILTA77ON CONTROL ON THE PROPOSED SITE DURING THE COURSE OF
CONSTRUCTION, IT SHALL BE THE OBLIGA7ION AND RESPONSIBILITY OF THE PERMITEE TO ADDRESS ANY NEW CONDIRONS
THAT MAY BE CREATED BY THE ACTIVITIES AND TO PROVIDE ADD177ONAL FACILITIES, OVER AND ABOVE MINIMUM
REQUIREMENTS, AS MAY BE NEEDED, TO PROTECT ADJACENT PROPER7IES AND WATER QUALITY OF THE RECEIVING
DRAINAGE SYSTEM.
7. APPROVAL OF THIS PLAN IS FOR EROSIONISEDIMENTA77ON CONTROL ONLY. IT DOES NOT CONSTITUTE AN APPROVAL OF
STORM DRAINAGE DESIGN, SIZE NOR LOCATION OF PIPES, RESTRICTORS, CHANNELS, OR RETENTION FACILITIES
8. ANY AREAS OF EXPOSED SOILS, INCLUDING ROADWAY EMBANKMENTS, THAT WILL NOT BE DISTURBED FOR TWO DAYS
DURING THE WET SEASON (OCTOBER 1ST THROUGH MARCH 30TH) OR SEVEN DAYS DURING THE DRY SEASON (APRIL 1ST
THROUGH SEPTEMBER 30TH) SHALL BE IMMEDIATELY STABILIZED WITH THE APPROVED ESC COVER METHODS (E.G., SEEDING,
MULCHING, PLASTIC 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 WITHIN SEVEN (7) DAYS.
12. THE ESC FACIL771ES ON INAC77VE SITES SHALL BE INSPECTED AND MAINTAINED A MINIMUM OF ONCE A MONTH OR WITHIN
24 HOURS FOLLOWING A STORM EVENT.
13. AT NO TIME SHALL MORE THAN ONE (1) FOOT OF SEDIMENT BE ALLOWED TO ACCUMULATE WITHIN 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 TIME PERIOD OF OCTOBER 1ST THROUGH MARCH 30TH, 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 PLASTIC COVERING.
15. ANY PERMANENT RETENTION /DETENTION 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 ULTIMATELY AS AN INFILTRATION SYSTEM, THE TEMPORARY FACILITY MUST BE ROUGH GRADED
SO THAT THE BOTTOM AND SIDES ARE AT 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 IDEN77FY WHICH
ONES CAN BE SEEDED IN PREPARATION FOR THE WINTER RAINS. DISTURBED AREAS SHALL BE SEEDED V4774IN 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.
R- 313204
_.. _. . __... _.. _....... ___..... ..._ _..,. _, __, .. ...-� MRCH EVANS, PLS wanua: mw en
te
N /A«^� Ra ,aa ,� CITY OF
RYAN SCHAUBLE RENTON
PETER EVANS DATUM
Planning /Building /Public Works Dept.
AMIE B. SCHROEDER, PE xm ac�xW
NO. REVISION BY DATE APPR PROVED uuc acca�.nr
CALL BEFORE
YOU DIG
7$004243555
CP1H
CONSULTANTS
Site Planning • (Sill Dtgneating
Land Use Consulting • Project Managerent
23377A�5 iffl I IW1fto4WA9M
Pt m 1425) 2B5.2390 I FAX (425) 2952389
WWW. C heonsuIta n to. coIn
MAPLEWOOD PARK EAST 1 5/30/14
ROADWAY GRADING, DRAINAGE AND SANITARY SEWER IMPROVEMENTS 1 f°°0001
CITY OF RENTON STANDARD NOTES I 00.04
A -NNN