HomeMy WebLinkAboutR-430703[DEVELOPMENTao���=�=a°o TALBOT HILL ELEMENTARY SCHOOL
A PORTION OF THE NE 1/4 OF THE NE 1/4 OF SEC. 30, TWNm 23 N., o
RGEm 05 E. W.M. CITY OF RENTON, KING COUNTY, WASHINGTON. �
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EROSION AND SEDIMENT CONTROL ESC STANDARD PLAN NOTES:
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THEF I A LISTING F RA NOTES T I IN H I T T FOLLOWING S LL9 NG D GENE L O ES THA SHALL BE INCORPORATED THE EROSION AND SEDIMENT CONTROL ESG PLAN SET ALL THE NOTES ON THE
{ 1
LIST MAY NOT PERTAIN TO EVERY PROJECT THE APPLICANT OR OWNER, HEREBY REFERRED TO AS APPLICANT, MAY STRIKE OUT IRRELEVANT NOTES IF NOT
APPLICABLE TO THE PROJECT. HOWEVER. THE APPLICANT SHALL NOT RENUMBER NOR EDIT THE REMAINING NOTES. IF ADDITIONAL NOTES ARE NEEDED FOR SPECIFIC
ASPECTS, THEY SHALL BE ADDED AFTER THE ESC STANDARD PLAN NOTES.
1. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY CCCURS, A PRE -CONSTRUCTION MEETING SHALL BE FIELD AMONG THE CITY OF RENTON. HEREBY
REFERRED T4 AS THE G1TY, THE APPLICANT, AND THE APPLICANTS CONTRACTOR
2. THE APPL ICANT 15 RESPONSIBLE FOR OBTAINING THE WAS HINOTON STATF DEPARTMENT OF ECOLOGY IECOLOGY) CONSTRUCTION STORMWATER GENERAL
PERMIT, IF IT IS REWIRED FOR THE PROJECT THE APPLICANT SHALL PROVIDE THE CITY COPIES OF ALL MONITORING REPORTS PROVIDED TO ECOLOGY
ASSOCIATED WITH THE CONSTRUCTION S70RUWA1ER GENERAL PERMIT
3. THE ESC PLAN SET SHALL INCLUDE AN ESC CONSTRUCTION SEOUE,14CE DETA LNG THE ORDERED S7EPS THAT SHALL BE FOLLOWED FROM CONSTRUCTION
WMM ENC£MENT TO POST -PROJECT CLEANUP IN ORDER TO FULFILL PROJECT ESC REQUIREMENTS.
4 THE BOUNDARIES OF THE CLEARING LIMITS, SENSITIVE AREAS AND THEIR BUFFERS. AND AREAS OF VEGETATION PRESERVATION AND TREE RETENTION AS
PRESCRIBED ON THE PLANKS) SHALL BE CLEARLY DELINEATED BY FENCING AND PROTECTED IN THE FIELD IN ACCORDANCE WITH APPENDIX D OF THE CFTY OF
RENTON SURFACE WATER DESIGN MANUAL (RENTON SVJDM) PRIOR TO THE START OF CONSTRUCTION. DURING THE CON57RUCTION PERICO, NO DISTURBANCE
BEYOND THE CLEARING LIMITS SHALL RE PERMITTED, THE CLEARING LIMITS SHALL BE MAINTAINED BY THE APPLJCANTIESC SUPERVISOR FOR THE DURATION OF
CONSTRUCTION.
S. STABILIZED CONSTRUCTIDN ENTRANCES SHALL BE INSTALLED AT THE BEGINNING OF CONSTRUCTION AND MAINTAINED FOR THE DURATION OF THE PROJECT
ADDITIONAL MEASURES. SUCH AS CONSTRUCTED WI-IEEL WASH SYSTEMS OR WASH PADS, MAYBE 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. IF SEDIMENT IS TRACKED OFFSITE, PUBLIC ROADS SHALL
BE CLI=ANEO THOROUGHLY AT THE END OF EACH DAY, OR MORE FREQUENTLY DURING WET WEATHER, AS NECESSARY TO PREVENT SEDIMENT FROM ENTERING
WATERS OF THE STATE.
B. WASHOUT FROM CONCRETE TRUCKS SNAIL 3E PERFORMED OFF -SITE OR IN DESIGNATED CONCRETE WASHPUT AREAS ONLY. DO WASH OUT OONGRE'T£
T H Y TRUCKS ONTO THE GROUND. OR TO STORM DRAMS OR OPEN PRC ES. ON -SITE DUMPING OF EXCESS CONCRETE SHALL ONLY UCCVIi IN DESIGNATED CONCRETE
WASHOUT AREAS.
I 7 ALL REQUIRED ESC BMPS SHALL BE CONSTRUCTED AND IN OPERATION PRIOR TO LAND CLEARING AN[7+OR CONSTRUCTION TO PREVENT TRANSPDRTAT ON OF
SEDIMENT TO SURFACE WATER, DRAINAGE SYSTEMS AND ADJACENT PROPERTIES. ALL ESC BMPS SHALL BE MAWTAI NED IN A BAT ISFACTORY CONDITION UNTIL
SUCH TIME THAT CLEARING ANDR3R CONSTRUCTION fS COMPLETE AND POTENTIAL FOR ON -SITE EROSION HAS PASSED. ALL ESC SMPS SHALL SE REMOVED AFTER
CONSTRUCTION IS COMPLETED AND THE SITE HAS SEEN STABILIZED TO ENSURE POTENTIAL FOR ON-B1TE EROSION DOES NOT EXIST THE IMPLEMENTATION,
MAINTENANCE. REPLACEMENT ENHANCEMENT AND REMOVAL ESC BMPS SHALL BE THE RESPONSIBIL OF THE APPLICANT
, OF RY
B. ANY HAZARDOUS MATERIALS pR LIO UIO PRODUCTS THAT HAVE THE POTENTIAL TO POLLUTE RUNOFF SHALL BE DISPOSED OF PROPERLY
B. THE ESC 13MPS MPICTED ON THIS DRAV014G ARE INTENDED TO BE MINIMUM REQUIREMENTS TO MEET ANTICIPATED SITE CON OITIONS AS CONSTRUCTION
PROGRESSES AND UNEXPECTED OR SEASONAL CONDITIONS DICTATE. THE APPLICANT SHALL ANTICIPATE THAT MORE E SC BMPS WILL BE NECESSARY TO ENSURE
COMPLETE SILTATION CONTROL ON THE PROPOSED SITE DURING THE COURSE OF CONSTRUCTION, IT SHALL BE THE OBLIGATION AND RESPONS481LITY OF THE
APPLICANT TO ADDRESS ANY NEW CONDITIONS THAT MAYBE CREATED BY THE ACTIVITIES AND TO PROVIDE ADDITIONAL ESC BMPS, OVER AND ABOVE MINIMUM
REQUIREMENTS. AS MAY BE NEEDED. TO PROTECT ADJACENT PROPERTIES AND WATER QUALITY OF THE RECEIVING ORANAGE SYSTEM.
10. APPROVAL OF TAUS PLAN IS FOR ESC ONLY. IT DOES NOT CONSTRTJTE AN APPROVAL OF STORM DRAINAGE DE515N, SIZE NOR LOCATION OF PIPES. RESTR IMPS,
CHANNELS. OR STORMWATER rppLITIES.
11 ANY DEWATE RWS SYSTEM NECESSARY FOR THE CONSTRUCTION OF STORMWATER FACFLTIES SHALL BE SUBMI TEA TO THE CITY FOR REVIEW AND APPROVAL.
12 ANY AREAS OF EXPOSED SOILS, INOLUONG ROADWAY EMDMXMENTS, THAT WILL NOT BE DLSTURBEO FOR TWO DAYS DURN43 THE WET SEASON IOCTOBER 16T
THROUGH APRIL 30TH) OR SEVEN DAYS DURING THE DRY SEASON IMAM 1ST THROUGH SEPTEMBER BOTH) SHALL BE IMMEDIATELY STABILIZED WITH THE APPROVED
ESC COVER METHODS (E G.. SEEDING, MULCHING- PLASTIC COVERING. ETC.) IN CONFORMANCE WITH APPENDIX 0 OF THE RENTON SWDM.
13. WET SEASON ESC REQUIREMENTS APPLY TO ALL CONSTRUCTION SITES BETWEEN OC70SER 1ST AND APPLL BOTH. UNLESS OTHERWISE APPROVED BY THE CITY.
14 ANY AREA NEEDING AaC 10NAL ESC MEASURES, NOT REQUIRING IMMEDIATE ATTENTION, SHALL BE ADOR ESSED WITHIN SEVEN (7) DAYS.
1 S THE ESC BMPS ON INACTIVE SITES SHALL BE INSPECTED A1410 MAINTAINED AT A MINIMUM Or ONCE'A MONTH OR WITHIN Zi HOURS FOLLOWINGA STORM EVENT.
INSPECTION AND MAINTENANCE SHALL OCCUR MORE FREQUENTLY AS REQUIRED BY THE CRY
19. BEFORE COMMENCEMENT OF ANY CONSTRUCTIDN ACTLNTY, CATCH BASIN INSERTS PER THE CRY STANDARD PLAN 248-30 SHALL BE PROVIDED FOR ALL STORM
DRAIN. INLETS DOWNSLOPE AND WITHIN 500 FEET OF A DISTURBED OR CONSTRUCTION AREA, UNLESS THE RUNOFF THAT ENTIERS THE INLET WILL BE CONVEYED
TO A SENMENT POND OR TRAP ALL CATCH BASIN INSERTS SHALL BE PERIODICALLY INSPECTED AND REPLACED AS NECESSARY TO ENSURE FULLY FUNCTIONING
CONDITION
17. AT NO TIME SHALL SEDIMENT ACCUMULATION EXCEED 2A OF THE CAPACITY OF THE CATCH BASIN SUMP. ALL CATCH BASINS AND CONVEYANCE ONES SHALL BE
CLEANED PFNCOR TO PAVING TIME CLEANING OPERATION SHALL NOT FLUSH SEDIMENT -LADEN WATER INTO THE DOWNSTREAM SYSTEM.
13. ANY PERMANENT STORMWATER FACILITY LOCATION USED AS A TEMPORARY SETTLING RA51N SHALL BE MODIFIED WITH THE N ECESSARY ESC SNIPS AND SHALL
PROVIDE ADEQUATE STORAGE CAPACITY. IF THE TEMPORARY FAC ILITY IS TO ULTIMATELY FUNCTION AS AN INFILTRATION SYSTEM IN ITS PERMANENT STATE, THE
TEMPORARY FACILITY SHALL BE ROUGH GRADED 50 THAT THE BOTTOM AND SIDES ARE AT LEAST THREE FEET ABOVE THE FINAL GRADE OF THE PERMANENT
FACILITY.
T F A 19 AREAS DESIGNATED ON TIME PLANS CONTAINING EXl3 LNG STORMWATER ACILRIEB OR ON -SITE BMPS AMENDED SOILS 0lORETENTIC44. PERMEABLE PAVEMENT.
ETC) SHALL BE CLEARLY FENCED AND PROTECTED USING ESC BMPS TO AVOID SEDIMENTATION AND COMPACTION OUR ING CONSTRUCTION
20. PRIOR TO THE BEGINNING OF THE WET SEAM (QCTOBM TST). ALL DISTURBED AREA& SHALL M INSPECTED TO IDENTIFY WHICH ONES SHALL BE 80012D OR
SEE CEO W PREPARATION FOR THE WINTER RAINS. DISTURBED AREAS SHALL BE SODOM OR SEEDED W ITH IN CNE WEEK OF THE BEGINNING Or THE WET SEASON.
AN "HIBIT OF THOSE AREAS TO M WOOED OR SEEDER AND THOSE AREAS YO REMAIN UNCOVERED SHALL BE SUBMITTED TO THE CITY FOR REVIEW.
SI PRIOR TO RNAL CONSTRUCTION ACCEPTANCE, TILE PROJECT SITE SHALL BE STABILIZED TO PREVENT SEDIMENT -LADEN WATER FROM LEAVING THE PROJECT SITE,
ALL ESC BMPS SHALL BE REMOVED, AND STORMWATER CONVEYANCE SYSTEMS. FACILITIES. AND ON -SITE EMIRS SHALL 13E RESTORED TO THEIR FULLY
FUNCTIONING CONDITION. ALL DISTURBED AREAS OF THE PROJECT SITE SHALL BE VEGETATED OR OTHERWISE PERMANENTLY STABILIZED. AT A MINIMUM.
DISTURBED AREAS SHALL BE SODDED OR SEEDED AND MULCHED TO ENSURE THAT SUFFICIENT COVER WILL DEVELOP SHORTLY AFTER FINAL APPROVAL MULCH
WITHOUT SEEDING IS ADEQUATE FOR AREAS TO BE LANDSCAPED BEFORE OCTOBER I ST.
22 ROCKERIES ARE CONSIDERED TO BE A METHOD OF BANK STABI UZATION AND EROSION CONTROL. ROCKERIES SHALL NOT BE CONSTRUCTED TO SERVE AS
RETAINING WALLS. ALL ROCKERIES IN C ITY ROAD RFGMTSOF-WAY SHALL BE CONSTRUCTED IN ACCORDANCE WITH CITY STAN OARM. ROCKER) ES OUTSIDE OF
:TOAD RIGHTS OF -WAY SNAIL BE QONSTRVCTEC IN ACCORDANCE WITH THE INTERNNATIQNAL BUILDING CODE
UNLESS OTHERWLSr NOTED, GRAWING IS NOT TO SCALY INT51
STD. PLAN - 268.00
a PUBLIC WORKS EROSION AND SEDIMENT CONTROL °
DEPARTMENT STANDARD PLAN NOTES GAS 9/28/2018 ]
DATE
�TESC STANDARD �NOTES
/ NOT TO SCALE
0
Know what's below.
Call before you dig.
SURFACE WATER STANDARD PLAN NOTES:
THE FOLLOWING 16 A LISTING OF GENERAL NOTES THAT SHALL BE INCORPDRATEO IN THE ORAINAGE PLAN SET. ALL THE NOTES ON THE LIST MAY NOT PERTAIN TO EVERY
P APPLICANT Y RR T P T Y T T R F T A Y T . HOWEVER. TH ROJEGT THE UGAN OR OWNER, HEREBY REFE ERRED TO AP UCAN , MAY STRIKE KE OUT IRRELEVANT NOTES I NO APPLICABLE D THE PROJECT OWEVE E
APPLICANT SHALL NOT RENUMBER NOR EDIT THE REMAINING NOTES. IF ADDITIONAL NOTESARE NEEDED FOR SPEC IF IC ASPECTS. THEY SHALL BE ADDED AFTER THE
SU RF ACE WATE R STANDARD PLAN NOTES
I BEFORE ANY CONSTRUCTION OR DEVELOPMENTACTIVRY OCCURS, A PRE -CONSTRUCTION MEETING SHALL BE HELD AMONG THE CITY OF RENTON, HERESY
REFERRED TO AS THE CITY, THE APPLICANT, AND THE APPLICANT'S CONTRACTOR.
2 THE APPLICANT SHALL W RESPONSIBLE FOR SECURING ALL NECESSARY CITY. STATE. AND FEDERAL PERMITS PRIOR TO CONSTRUCTION.
3 ALL STORM DRAINAGE IMPROVEMENTS SHALL BE DESIGNED AND CONSTRUCTED IN ACCORDANCE WFTH THE LATEST EDITION OF THE CITY OF RENTON SURFACE
WATER DE 34GN MANUAL (RENTON SWDM), RENTON MUNICIPAL CODE (RMC), AND THE STANDARD SPECIFICATIONS FOR ROAD, BRIDGE AND MUNICIPAL
CONSTRUCTION PREPARED BY WSDOT AND THE AMERICAN FUBLIC WORKS ASSOCIATION (APWA), IT SMALL BE THE SOLE RESPONSIBILITY OF THE APPLICANT TO
CORRECT ANY ERROR. OMISSION OR VARLAT10N FROM THE ABOVE REQUIREMENTS FOUND IN THE PLANS. ALL CORRECTIONS SHALL BE AT NO ADDITIONAL COST TO
THE CITY
4 APPROVAL OF THE ROAD. GRADING. PARKING, BUILDING. AND DRANAGE PLAN DOES NOT WNSTITLITE AS APPROVAL OF ANY arMER CONSTRUC 1M (E.G. WATER,
SEWER, GAS, ELECTRICAL ETC.). PLANS FOR STRUCTURES SUCH AS BRIDGES. VAULTS. AND RETAINING WALLS REQUIRE A SEPARATE REVIEW AND APPROVAL BY
THE CITY PRIOR TO CONSTRUCTION. THE SURFACE WATER DRAINAGE SYSTEM SHALL BE CONSTRUCTED ACCORDING TO THE APPROVED PLANS. ANY DEVIATION
FROM THE APPROVED PLANS WILL REO UIRE COORDINATION FOLLOWED BY WRITTEN APPROVAL FROM THE CITY.
5. A COPY OF THE APPROVED PLANS SHALL RE ON THE JOB SITE WHENEVER CONSTRUCTN]N 15 IN PROGRESS.
6 THE LOGATFONS OF ALL EXISTING UTI.4TIES SHOWN HEREON HAVE RFFN £STABUSHEA 13Y FIELD SURVEY OR OBTAHNEP FROM AVAILABLE RFGORpS AND SHALL
THEREFORE BE CONSIDERED APPROXIMATE ONLY AND NOT NECESSARILY COMPLETE. IT IS THE SOLE RESPONSES ILITY OF THE APPLICANT AND THE APPLICANTS
F Y CONTRACTOR TO INDEPENDENTLY VERIFY THE ACCURACY 0 ALL UTILITY LOCATIONS SHOWN AND TO FURTHER DISCOVER AND AVOID AN OTHER UTILITIES NOT
SHOWN HEREON THAT MAY BE AFFECTED BY THE IMPLEMENTATION OF THIS PLAN, THE APPLICANT SHALL RECORD ON THE AS -BUILT DRAWINGS ALL
UNDOCUMENTED UTILITIES DISCOVERED AND ANY CHANGES TO THE APPROVED PLANS. THE APPLICANT SHALL IMMEDIATELY NDTIr Y THE ENGNEER OF RECORD IF A
CON RJCT EX18 TS.
7 VERTICAL DATUM SHALL BE NAVD SB AND HORIZONTAL DATUM SHALL BE NAD 83 (WA STATE PLANE- NORTH), UNLESS OTHERWISE APPROVED BY THE CRY
REFERENCE BENCHMARK. DATUM. AND ELEVATIONS SHALL BE NOTED ON THE PLANS.
0 ALL UTILITY TRENCH BACKFILL AND ROADWAY SUBGRADE SHALL BE COMPACTED TO 95%MAXIMUM DRY DENSITY PER SECTION 2.03.3(1410 -COMPACTION AND
MCISTURE CONTROL. TESTS.OF THE WSDOT STANDARD SPECIFICATIONS. IN PERMEABLE PAVEMENT AND OTHER INFILTRATION AREAS, ALL TRENCH SACKFAL SHALL
BE FIRM ANO UNYIELDING BUT IN NO CASE SHALL BE COMPACTED TO MORE THAN 92%OF MAXIMUM DRY DENSITY
9 OPEN CUTTING OF EXISTING ROADWAYS FOR STORM DRAINAGE WORK IS NOT ALLOWED UNLESS SPEORCALLY APPROVED BY THE CRY AND NOTED ON THESE
APPROVED PLANS. ANY OPEN CUT SHALL BE RESTORED IN ACCORDANCE WITH THE CITY TRENCH RESTORATION STANDARDS,
1G ALL PIPE AND STRUCTURES SHALL BE STAKED FOR SURVEY LINE AND GRADE PRIOR TO THE START OF CONSTRUCTION. WHERE SHOWN ON THE PLANS OR WHERE
DIRECTED BY THE CITY, THE EXISTING MANHOLES, CATCH BASINS, OR INLETS SHALL BE ADJUSTED TO THE GRADE AS STAKED.
11 ALL FLOW CONTROL FAC4LFTIES SHALL BE INSTALLED AND IN OPERATION PRIOR TO, OR IN CGNJUINCTION WITH, ANY CONSTRUCTION ACTIVITY UNLESS OTHERWISE
APPROVED BY THE CITY.
12 ALL PIPE AND APPV RTENANCES 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 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 AND SACKFILL SHALL BE AS SHOWN ON THE CITY STANDARD PLAN 220-00. 413.1A AND
220213
13 STEEL PIPE SHALL BE ALUMINIZED, OR GALVANIZED WITH ASPHALT TREATMENT 1, 2, OR S INSIDE AND OUTSIDE
14. ALL DRAINAGE STRUCTURES SUCH AS CATCH BASINS AND MANHOLES SHALL BE FITTED WITH DUCTILE IRON. BOLT-LCCKING LIDS PER THE CITY STANDARD PLAN
204.10. 2042D, 204.90, 204.4T1. AND 204.60. STRUCTURES SHALL WAVE
• RECTANGULAR OR ROUND. SOLID LIDS WHEN NOT COLLECTING RUNOF F. AND OUTSIDE OF THE ROADWAY
• ROUND, SOLID LIDS WHEN NOT COLLECTING RUNOFF, AND LOCATED WITHIN THE ROADWAY, BUT OUTSIDE OF THE CURBIGUTTER LINE-
. ROUND, SOLID LIDS DISPLAYING TH:E CITY LOGO WHEN WFIH!N THE PUBLIC RIGHT-0E-WAY OR 1N AN EASEMENT TO THE CITY. PRIVATE STRUCTURE LIDS OUTSIDE
PUBLIC RIGHT-OF-WAY AND EASEMENTS TO THE CITY SHALL NOT D15PLAY THE CITY LOGO.
IS SUELDINGS AND OTHER STRUCTURES SWILL BE PLACED IN ACCORDANCE WITH TABLE 4 1 EASEMENT WIDTHS AND BUILDING SETSACKS UNES OF THE RENTON SWDM
19 LIDS OF MANHOLESICATCH BASINS WITHIN PUBLIC RIGHT-OF-WAY SHALL NOT BE ADJUSTED TO FINAL GRADE UNTIL AFTER PAVING. ALL MANHOLEeCATCH BASIN RIMS
SHALL BE ADJUSTED TO BE FLUSH 1V11T-1 F INAL FINISHED GRADES, UNLESS OTHERWISE SHOWN
17 ALL DRIVEWAY CULVERTS LOCATED WITH IN CITY RIGHT# -WAY SHALL BE OF SUFRC IENT LENGTH TO PROVIDE A MINIMUM 3:1 SLOPE FROM THE EDDE OF THE
DRIVEWAY TO THE BOTTOM OF THE DITCH
UNLESS OTHERWISE NOTED, DRAW I NG IS NOT TO SCALE I053
STD. PLAN - 267.00
pUBUCwaRKs SURFACE WATER STANDARD PLAN by
DEPARTMENT NOTES {1 OF 2) artin Pastuchas/13/2ozn
g}d(. DATE
�STORMWATER �DR�ANAGE NOTES
L / NOT TO SCALE
DRAINAGE GRATE
GRATE FRAME _
SEDIMENT AND DEBRIS
FILTERED
WATER -
SECTION VIEW
DRAINAGE GRATE
(RECTANGULAR GRATE SHOWN)
BELOW INLET GRA7E DEVICE
F MAX
TRIM
OVER F LOW BYPASS
BELOW INLET GRATE DEVICE
RETRIEVAL SYSTEM CTYPJ
OVERFLOW BYPASS ITYP.)
ISOMETRIC VIEW
NOTES:
I PROTECTION SHALL BE PROVIDED FOR ALL STORM 13RALN INLETS DOWNSLOPE AND WITHIN 50O FEET OF A DISTURBED OR
CONSTRUCTION AREA, UNLESS THE RUNOFF THAT ENTERS THE CATCH BASIN WILL BE CONVEYED TO A SEDIMENT POND OR TRAP.
2. INLET PROTECTION SWILL SE USED TO PROTECT THE DRAINAGE SYSTEM.
3. THE CONTRIBUTING DRAINAGE AREA MUST NOT BE LARGER THAN ONE ACHE.
4. SIZE THE BELOW INLET GRATE DEVI CE IBJGDI FOR THE STORMWATER STRUCTURE IT WILL SERVICE-
5- THE BFGD SHALL HAVE A BUILT-IN HIGH -FLOW RELIEF SYSTEM (OVERFLOW BYPASS}
6- THE RETRIEVAL SYSTEM MUST ALLOW REMOVAL OF THE "D WITHOUT SPILLING THE. COLLECTED MATERIAL.
T PERFORM MAINTENANCE IN ACCORDANCE WITH STANDARD SPECIFICATION 8.01.305).
8. ANY SEDIMENT N THE CATCH BASIN INSERT SHALL BE REMOVED WHEN THE SEDIMENT HAS FILLED ONE-TH1RO OF THE AVAILABLE
STORAGE THE FILTER MEDIA FOR THE INSERT SHALL BE CLEANED OR REPLACED AT LEAST MONTHLY.
UNLE55 OTINERWI5E NOTED, DRAWING 15 NOTTO SCALE IITTSI
STD. PLAN - 216"30
PUBLIC WORKS CATCH BASIN INSERT APR L : 9/28/2018 1
DEPARTMENT GAZ
DATE
CATCH BASIN INSERT
4 NOT TO SCALE
SURFACE WATER STANDARD PLAN NOTES:
THE FOLLOWING IS A LISTING OF GENERAL NOTES THAT SHALL BE INCORPORATM A THE ORAINAGE PLAN SET- ALL THE NOTES ON THE LIST MAY NOT PERTAIN TO EVERY
PROJECT THE APPLICANT OR OWNER. HEREBY REFERRED TO AS APPLICANT, MAY STRIKE OUT IRRELEVANT NOTES IF NOT APPLICABLE TO THE PROJECT. HOWEVER. THE
APPLICANT SHALL NOT RENUMBER NOR EDIT THE REMAINING NOTES. IF ADDITIONAL NOTESARE NEEDED FOR SPECIFIC ASPECTS. THEY SHALL BE ADDED AFTER THE
SURFACE WATER STANDARD PLAN NOTES
18 ROCK FOR EROSION PROTECTION OF ROADSIDE DITCHES. WHERE REQUIRED, SHALL BE OF SOUND QUARRY ROCK PLACED TO A MINIMUM DEPTH OF ONE R I I FOOT
AIND SHALL MEET THE FOLLOWING SPECIFICATIONS.
. 4 - B INCH ROCK 140 - 70% PASSI NG,
. 2 - 4 NMI ROCK 130 - 40% PASSING; AND
. LESS THAN 2INCH ROCK 110. 20% PASSING.
19 FOOT NG DRAINAGE SYSTEMS AND ROOF DOWNSPOUT SYSTEMS SHALL NOT BE INTERCONNECTED AND SHALL SEPARATELY CONVEY COLLECTED FLOW TO THE
CONVEYANCE SYSTEM OR FLOW CONTROL FACILITY ON THE SITE, UNLESS APPROVED BY THE CRY. FOOTING DRAINS SHALL NOT BE CONNECTED TO ON -SITE BMPS.
:V. THE END OF EACH STORM DRAIN STUB SHALL BE CAPPED. A CLEANOUI TOPPED WITH A BOLT -LOCKING LID MARKED 'STORM' OR'DWUN" SMALL BE LOCATED AT THE
PROPERTY LINE OR AT THE POINT OF CONNECTION OF A PRIVATE STORM DRAINAGE CONVEYANCE SYSTEM PER THE CITY STANDARD PLAN 227.00.
11. ALL STORM SYSTEM EXTENSIONS SHALL BE STAKE[) FOR LINE AND GRADE BY A SURVEYOR LICENSED IN WASHINGTON STATE, AND CUT SHEETS SHALL BE PROVIDED
TO THE CITY PRIOR TO CONSTRUCTION.
22 ALL NEWLY -INSTALLED AND NEWLY -REHABILITATED (PUBLIC AND PRIVATE) STORM CONVEYANCE SYSTEMS SHALL BE INSPECTED BY MEANS OF REMOTE CCTV
ACCORDING TO THE CITY STANDARD PLAN 2W.06. CCTV INSPECTIONS AND REPORTS SHALL BE SUBMITTED TO THE CITY PRIOR 70 RECEIVING APPROVAL TO INSTALL
PROJECT CURBS GUTTERS ANDIOR PAVEMENT
23. ALL STORM SYSTEMS AND CONNECTIONS TO EL[ST1NG MAINS SHALL BE TESTED IN ACCORDANCE WITH SECTION7-04.3 1 OF THE WSDOT STANDARD SPECIFICATIONS
f7
A14P IN THE PRESENCE OF A REPRESENTATIVE OFTHE CITY. STORM DRAIN STUBS SHALL BE TESTED FOR ACCEPTANCE AT THE SAME TIME THE MAIN STORM JS
TESTED,
24. FOR ALL DISTURBED PERVIOUS AREAS KCOMPACTED, GRADED, LANDSCAPED. ETC.) OF THE DEVELOPMENT SITE, TO MAINTAIN THE MOISTURE CAPACITY OF THE SOIL
EITHER STOCKPBE AND REDISTRIBUTE THE EXISTING DUFF LAYER AND NATIVE TOPSOIL OR AMEND THE SOIL WITH COMPOST IN ACCORDANCE WITH STANDARD PLAN
284 DO
JS ISSUANCE OF THE BUILDING OR CON5TRUCTH]N PERMITS BY THE CITY DOES NUT RELIEVE THE APPLICANT OF THE CONTINUING LEGAL OBLIGATION IWDIOR LIABILITY
CON 4EC7EO MATH STORMWATER DISPOSAL. THE CITY DOES NOT ACCEPT ANY OBLIGATION FOR THE PRDPER FUNCTIONING AND MANTENANCE OF THE STORM
SYSTEM PROVIDED DURING CONSTRUCTION.
!, 26 ADEQUATE WEGU,ARDS, SAFETY DEVICES. PROTECTIVE EOUIPMENT. FLAGGERS, AND ANY OTHER ACTIONS HEEDED TO PROTECT THE LIFE, HEALTH. AND SAFETY OF
THE PUBLIC. AND TO PROTECT PROPERTY IN CONNECTION WITH THE PERFORMANCE OFF WORK SHALL BE PROVIDED. ANY WORN WITHIN THE TRAVELED
RIGHT-OF-WAY THAT MAY INTERRUPT NIDRMAL SHALL FLOW S1 REQUIRE A TRAFFIC CONTROL PLAN APPROVED By THE CITY ALL SECTYONS df YIHE WSDgT
STANDARD SPECIFICATIONS 1-10 TEMPORARY TRAFFIC CONTROL SHALL APPLY
27. PROJECTS LOCATED WITHIN THE CITY'%AQUIFER PROTECTION AREA (APA) SHALL COMPLY WITH SPECIAL REQUIREMENT 05 OF THE RENTON SWUM AND AQUIFER
PROTECTION REGULATIONS [RUC 4-3.0601.
2B. PLACEMENT OF SURFACE APPURM AANES (CATCH BASINIMANHOLE LIDS, CLEN40UTS, INLETS, ETC.) IN THE STREET TRAVEL LANE WHEEL PATH.INTrMSECTIONS Of
STREET TRAVEL LANES, BIKE LANES. SIDEWALKS. AND CROSSWALKS SHALL Be AVOIDED WHENEVER POSSIBLE. ANY SUIV=AM APPURTENANCE PLACED IN A
SIDEWALK OR CROSSWALK SHALL BE FITTED WITH A NONSLIP OR NON-61KID LID PER ADA REOUIREM ENTS.
"d CLEARLY LABEL PUBLIC AND PRIVATE SYSTEMS ON THE WRNS. PRIVATE SYSTEMS SHALL BE MAINTAINED BY THE APPLICANT.
39. MINIMUM COVER OVER STORM DRAINAGE PIPE SHALL CONFORM TO TABLE 4-2.1A2 OF THE RENTON SWOM
31 CONSTRUCTED PERMEABLE PAVEMENT SHALL BE PERMEABLE ENOUGH TO ABSORB WATER AT A MINIMUM RATE OF 20 INCHES PER HOUR IMMEDIATRY AFTER THE
PAVEMENT SURFACE HAS BEEN W'ETTE D CONTINUIDUSLY FOR AT LEAST 10 MINUTES. COMPLIANCE WITH TH15 MINIMUM RATE SHALL. BE CHECKED PRIOR TO
CONSTRUCTION APPROVAL OF THE PAVEMENT COMPLIANCE MAY BE CHECKED USING A 8IMPLE BUCKET TEST IN WHICH 5 GALLONS OF WATER IS POURED ONTO THE
PAVEMENT SURFACE ALL AT ONCE. IF ONLY A MINOR AMOUNT OF WATER PONDS OR RUNS OFF THE SURFACE, THEN THE PAVEMENT IS CONSIDERED TO MEET THE
MINIMUM RATE OF ABSORPTION AT LEAST ONE TEST SHALL BE CONDUCTED PER 1,000 SQUARE FEET OF PERMEABLE PAVEMENT. IF THIS TEST IS NOT CONCLUSIVE.
THEN ANOTHER TEST PER ASTM C1TT)1 SHALL BE CONDUCTED. FOR LARGE AREAS IN3.G., PARKING AREAS), TESTING OBSERVATION MAY BE ACCOMPLLSHED WHILE
WALKING 13EMIND A SLOWLY MOVING WATER TRUCK DISCHARGING WATER AT A RATE SIMILAR TO THE BUCKET TEST. PERMEABLE PAVERS 94ALL13E TESTED USING
ASTM C1781.
UNLESS OTH ER W ISE NOTED, DRAW I NG IS NOT TO SCALE I NUS)
STD. PLAN - 267.10
PUBLIC WORKS SURFACE WATER STANDARD PLAN iRldby:
DEPARTMENT NOTES (2 OF 2) arltiin Pastuch /�3�zoz�
h +URyww= DATE
JOINTS IN FILTER FABRIC SHALL BE SPLJCED AT
POSTS. USE STAPLES, WIRE RINGS, OR
EQ W VALENT TO ATTACH FABRIC TO POST S
_ 2"A2" 14 GAUGE WIRE.OR
-- - - - ECILINAL ENT. IF STANDARD
STRENGTH FABRIC USED
FILTER FABRIC T MIN,
B' MAX. -I
POST
SPACI NG MAY BE INCREASED4'x4' MIN, TRENCH I I 12" MIN -
TO F IF WIRE SACKING IS USED I II
'L-EV SACKFILL TRENCH WITH NATIVE SOIL
OR XW TO 1-V2' WASHED GRAVEL
2"IRA' WOOD POSTS; STEEL FENCE POSTS, OR EC DIVALENT KTYP I
NOTES:
1. CONDRTGNS OF LISE
I.1 SILT FENCE MAY BE USED DOWNSLOPE OF ALL DISTURBED AREAS.
1.2 SILT FENCE IS NOT INTENDED TO TREAT CONCENTRATED FLOWS. NOR IS IT INTENDED TO TREAT SUBSTANTIAL AMOUNTS OF OVERLAND FLOW. ANY CONCENTRATED
FLOW MUST BE CONVEYED THROUGH THE DRAINAGE SYSTEM TO A SEDIMENT TRAP OR POND.
2. DESIGN AND INSTALLATION SPECIFICATIONS
2.7. THE GEOTEXTILE USED MUST MEET THE STANDARD LISTED BELLOW. A COPY OF THE MANUFACTURERS FABRIC SPECIFICATIONS MUST BE AVAILABLE ON SITE.
ACTS (ASTM 04751)
30.100 SIEVE SIZE [IPAM. 1lxn ) FOR SILT FILM
50-1 30 SIEVE SIZE 15.30-0.15MMj FOR OTHER FABRICS
WATER PERMITTIVITY IASTM D44S1)
D.02 SEC' MINIMUM
GRAB TENSILE STRENGTH (ASTM 04932I
$80 LBS. MIN. FOR EXTRA STRENGTH FABRIC
$00 LBS. MIN. FOR STANDARD STRENGTH FABRIC
GRAB TENSILE ELONGATION (ASTM 134592)
3D% MARK. (WOVEN I
ULTRAMDLETRESISTANCE{ASTM 04355)
70% MIN.
22. STANDARD STRENGTH FABRIC REQUIRES WIRE BACKING 10 INCREASE THE STRENGTH OF THE FENCE. WIRE SACKING OR CLOSER POST SPACING MAY BE REOUFRED
FOR EXTRA STRENGTH FABRIC IF FIELD PERFORMANCE WARRANTS A STRONGER FENCE.
2.3. WHERE THE FENCE IS INSTALLED. THE SLOPE SHALL NOT BE STEEPER THAN ZH:I V
2.4. IF A TYPICAL SILT FENCE IS USED. THE STANDARD -PYA' TRENCH MAY BE REDUCED AS LONG AS THE BOTTOM 8 INCHES OF THE SILT FENCE FABRIC IS WELL BURIED AND
SECURE IN ATRENCH THAT STABI LIZES THE FENCE AND DOES NOT ALLOW WA7ER TO BYPASS OR UNDERMINE TIC SILT FENCE.
2.6- FILTER FABRIC FENCES SHALL BE INSTALLED ALONG CONTOURS WHENEVER POSSIBLE
9- MAINTENANCE STANDARDS
3.1. ANY DAMAGE SHALL BE REPAIRED IMMEOATELY.
3.2. IF CONCENTRATED FLOWS ARE EVIDENT UPHILL OF THE FENCE, THEY MUST BE INTERCEPTED AND CONVEYED TO A SEDIMENT TRAPOR POND-
3.3. IT IS IMPORTANT TO CHECK THE U PHILL SIDE OF THE FENCE POR SIGNS OF THE FENCE CLOGGING AND ACTING AS A BARRIER TO FLOW AND THEN CAUSING
CHANNELIZATION OF FLOWS PARALLEL TO THE FENCE. IF THI S OCCURS. REPLACE THE FENCE OR REMOVE THE TRAPPED SEDIMENT
3.4. SEDIMENT MUST BE REMOVED WHEN SEDIMENT IS 6 INCHES HK4H.
3.6. IF THE FILTER FABRIC jOEOTO(TILE) HAS DETERIORATED DUE TO ULTRAVIOLET BRE MI]C N, IT SHALL BE REPLACED.
UN LESS DTHFRWi F IATTEO, DRAWING IS NCR TO WAU INTSj
AoRtL STD. PLAN - 214.00
PUBLIC WORKS SILT FENCE R 9/z8/2018 ]
DEPARTMENT GAZ
DATE
SILT FENCE
NOT TO SCALE
TRENCH WIDTH.
PIPE ZONE BEDDING AND SEE )NOTE 3
8ACKFILL SEE NOTE 4
6'
O.D.
FOUNDATION
LEVEL
r FOUN DATION MATERIAL,
5 IF RECIUIRED. SEE NOTE 5
TRENCH MOTH.
SEE NOTE 3
SPAN
B'
PIPE ZONE BEDDING AND
aACKRLL. SEE NOTE N 4 7
RISE
FOUNDATION
LEVEL
r FOUNDATION INTER JAL,
1 IF REQUIRED. SEE NOTE 5
IY PIPE - ARCH
RIGID PIPE NOTES:
1 PIPF COMPACTION LIMITS SHOWN ON THIS PLAN ARE FOR PIPE
CONSTRUCTION IN AN EMBANKMENT. FOR PIPE CONSTRUCTION. IN
A TRENCH- THE HORIZONTAL LIMITS OF THE PIPE COMPACTION
ZONE SHALL BE THE WALLS OF THE TRENCH.
.. O.D. IS EpUAL TO THE OUTSIDE DIAMETER OF A PIPE OR THE
OUTSIDE SPAN OF PIPE -ARCH.
SEE STANDARD WSDOTIAPWA SPECIFICATIONS SECTION 2-0-A FOR
TRENCH WIDTH.
A PIPE ZONE BEDDING AND BACKFILL MATERIAL SHALL BE PLACED IN
G LDDSE LAYERS AND COMPACTED TO 95% MAXIMUM DENSITY.
6 EXCAVATE UNSTABLE MATERIAL DOWN TO FIRM SOIL AND REPLACE
WITH FOUNDATION MATERIAL CLASS AOR E PER STANDARD
WSDOTAAAWA SPEC IrJCATIONS SECTION 9-03.1 T.
GRAVEL SACKF ILL FOR PIPE ZONE BEDDING (WSDOT 9-03.12(3)I
OR MAINTENANCE ROCK WVSDOT S-O3.9I4II
PIPE TYPE
MINIMUM
PUBLIC?
PRIVATE?
ALLOWED IN PONE 1
COVERRFTN
DFTHEAPA?
CORRUGATED
20
YES
YES
YES
STEEL PIPE
BPI RAL RIB STEEL
2-0
YES
YES
YES
PIPE
PLAIN CONCRETE
PIPE IPCP1
ZO
NO
YES
NO
REINFORCED
CONCRETE PIPE
1.0
YES
YES
NO
(RCP)
DUCTILE IRON PIPE
t.0
YE5
YES
YES
CIRCULAR PIPE
DIAMETER
MFNIMUMDISTANCE
BETWEEN BARRELS
12" 10 24'
1 z-
30- TO 96'
DIAMETER 13
1 Or TO 1 ST
48"
PIPE -ARCH
SPAN
NBNIRLM DISTANCE
BETWEEN BARRELS
IV TO 36'
12-
43" TO 142'
SPAN 13
146'70 IBIT
48"
UNLESS OTH ER W ISE NOTED. DFA W I NG IS N UT TO SCALE I NTSI
STD. PLAN - Z20.00
AvotbLPUI3LIC WORKS PIPE ZONE BEDDING AND APPROVED
DEPARTMENT COMPACTION - RIGID PIPE MartinPastQLha 10/19/20
' DATE
PIPE BEDDING
NOT TO SCALE
I
SEE STANDARD PLANS 110. 110.1. 110.2, AND 111 FOR PAVEMENT
RESTORATION REQUIREMENTS
SU RF ACE RESTORATION AS I
SPECIFIED IN CONTRACT DOCUMENTS
---- 12' MIN.--- EXISTING PAVEMENT SLIRFAL-L-
`__----- -_-__-
&• MIN , SEE NOTE 4
v
NEAT LINE TRENCH
-CRU5NED 51JRFACING TOP COU]i5E-PER
WSDOT STD SPED Y-G3.9R3I, COMPACTED
^ � TQ 95I. OF MW(iMLIM DENS Ty
"BANK RUNca
GRAVEL FOR TRENCH BACKFILL" PER
NSDOT STD SPEC S-03 1 %4w "^�..-_�
BENCH AS NEEDED FOR
SHORING SYSTEM WHEN
DEPTH IS 4' OR GREATER
PIPE
PIPE ZONE BEDDING AND BACKFILL i
PER STD PLANS 220M AND 220. 10
ISEE MOTE 1
U NPAVED AREAS + PAVED AREAS
NOTES:
1. SEE WSDOTARPWA STANDARD SPECIFICATIONS SECTION 2-0B,4 FOR
MEASUREMENT OF TRENCH WIDTH
2. EXCAVATIONS OVER 4' DEEP SHALL COMPLY WITH THE SAFETY STANDARD
DESCRIBED IN CHAPTER 295.155 PARS' N OF THE WAG
3. MAXIMUM BAWILL DEPTH ASO M_ PIPE SHALL NOT BE EICCEMEO. AS
DETERMINED W PIPE MANUFACTURER.
4 IN PAVED AREAS, IF PIPE HAS LESSTHAN X OF COVER, U5E "CRUSHED
SURFACING TOP COURSED FOR THE ENTIRE BACKFILL DEPTH ABOVE PIPE ZONE.
5 SEE CONNSTRUCT10N PLANS FOR SPEOJFIC PROJECT REQUIREMENTS
UNLESS OTH{RWISE NDTED, DRAWING 6 NOT TO SCAB: [IFS;
STD. PLAN - 220.20
PUBLIC WORKS °
DEPARTMENT TYPICAL TRENCH AND BACKFILL GAZ 9f2812018 1
RATE
TRENCH SECTION
NOT TO SCALE
11
J
R=430703
TACOMA • SEATTLE - SPOKANE • TRI-CITIES
2215 North 30th Street Suite 300 Tacoma WA 98403
253.383.2422 TEL 253.383.2572 FAX www.ahbl.com WEB
Project Title:
TALBOT HILL
ELEMENTARY SCHOOL
Client:
RENTON
SCHOOL DISTRICT
ANDREW HOLLENBACK
300 SOUTHWEST 7TH STREET
RENTON, WA 98057
Project No.
2230870.10
Issue Set & Date:
PERMIT SET
JULY 9, 2024
wAOlk
SgI�L,�
ter_ t�rr
��`sSjONAL ��G
7/9/2024
NOTICE
ALTERATION OF THIS DOCUMENT SHALL IWALVATE THE
PROFESSIONAL SEAL AND SIGNATURE PUBLICATION OF
THIS DODNEIIT DOES NOT DEIMIE FROM RESERVED
OWIRSHP RIGHTS N IT. THIS DODMNT IS FOR USE
ONLY FOR THE PRQECT DEIITIRED N THE TITLE BLOCK
AND IS NOT TO BE USED FOR REPAR, REMODEL OR
ADDITION TO THAT PROJECT OR FOR ANY OTHER PRUM.
A
Revisions:
Sheet Title:
STORMWATER
DRAINAGE NOTES &
DETAILS
Designed by: Drawn by: Checked by:
JAD JAD DCN
Sheet No.
C2
03 of 05 Sheets