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DEVELOPMENT ENGINEERING
SAMorman 08/02/2024
Surface Water Enginering
JFarah 08/15/2024 0
TALBOT HILL ELEMENTARY SCHOOL to
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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S 23RD STREET
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NAIL AND WASHERN: 170127.2236
/ E:1299508.3349
�-s AHBL #103
ELEV: 203.33 N L AND WASHER IM
_ N:170139.6149
E:1299844.2959 Ico
ELEV: 206.16 N
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Know what's below.
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PARCEL NUMBER
3023059073
SITE ADDRESS
2300 TALBOT ROAD S, RENTON, WA 98055
VERTICAL DATUM
NAVD 1988 VERTICAL DATUM ON ORTHOMETRICALLY
CORRECTED GPS OBSERVATIONS USING WSRN AND
GEOID 2012A.
VERIFIED CITY OF RENTON 230
(CASE MONUMENT AT S 23RD ST AND WILLIAMS AVE
CUL DE SAC)
ELEV: 230.75
BASIS OF BEARING
NAD 1983
WASHINGTON STATE PLANE NORTH PROJECTION,
BASED ON GPS OBSERVATIONS USING WSRN AND
GEOID 2012A. UNITS OF MEASUREMENT ARE US
SURVEY FEET.
VERIFIED CITY OF RENTON 230
(CASE MONUMENT AT S 23RD ST AND WILLIAMS AVE
CUL DE SAC)
LEGAL DESCRIPTION
A PORTION OF THE NE 1/4 OF THE NE 1/4 OF SEC. 30,
TWIN. 23 N., RGE. 05 E. W.M. CITY OF RENTON, KING
COUNTY, WASHINGTON
FILL SPECIFICATION
FILL MATERIAL SHALL NOT CONTAIN PETROLEUM PRODUCTS,
OR SUBSTANCES WHICH ARE HAZARDOUS, DANGEROUS,
TOXIC, OR WHICH OTHERWISE VIOLATE ANY STATE, FEDERAL,
OR LOCAL LAW, ORDINANCE, CODE, REGULATION, RULE,
ORDER, OR STANDARD.
AS -BUILT NOTE
CONTRACTOR SHALL FURNISH AS -BUILT RIM ELEVATIONS,
PIPE INVERT ELEVATIONS, AND STRUCTURE LOCATIONS
(COORDINATES) TO THE NEAREST 0.01 FOOT FOR ALL STORM
DRAINAGE AND UTILITY STRUCTURES, AND AS -BUILT SLOPE
MEASUREMENTS TO THE NEAREST 0.01 % FOR ALL CURB
RAMP AND LANDING PANEL JOINTS. CONTRACTOR SHALL
ENGAGE WITH A PROFESSIONAL LAND SURVEYOR LICENSED
IN THE STATE OF WASHINGTON TO FURNISH AS -BUILT
INFORMATION.
AUTOCAD FILE
AN AUTOCAD DRAWING FILE IS AVAILABLE TO ASSIST WITH
SITE LAYOUT. PLEASE NOTE THAT ELECTRONIC FILES ARE
PROVIDED FOR CONTRACTOR'S CONVENIENCE AND SHALL
NOT REPLACE NOR BE USED TO SUBSTITUTE THE CONTRACT
DOCUMENTS. THE CONTRACTOR IS RESPONSIBLE FOR
PROJECT LAYOUT ACCORDING TO CONTRACT DOCUMENTS
AND COST FOR ELECTRONIC AUTOCAD FILES.
PHONE: (253) 383-2422
FAX: (253) 383-2572
CONTACT: JAMES A. DALEY
TOPOGRAPHIC NOTE
THE EXISTING CULTURAL AND TOPOGRAPHIC DATA SHOWN
ON THESE DRAWINGS HAS BEEN PREPARED, IN PART, BASED
UPON INFORMATION FURNISHED BY OTHERS. WHILE THIS
INFORMATION IS BELIEVED TO BE RELIABLE, AHBL CANNOT
ENSURE ACCURACY AND THUS IS NOT RESPONSIBLE FOR THE
ACCURACY OF THAT INFORMATION OR FOR ANY ERRORS OR
OMISSIONS WHICH MAY HAVE BEEN INCORPORATED INTO
THESE DRAWINGS AS A RESULT.
TRENCH NOTE
IF WORKERS ENTER ANY TRENCH OR OTHER EXCAVATION
FOUR OR MORE FEET IN DEPTH THAT DOES NOT MEET THE
OPEN PIT REQUIREMENTS OF WSDOT SECTION 2-09.3(3)B, IT
SHALL BE SHORED AND CRIBBED. THE CONTRACTOR ALONE
SHALL BE RESPONSIBLE FOR WORKER SAFETY AND AHBL
ASSUMES NO RESPONSIBILITY. ALL TRENCH SAFETY
SYSTEMS SHALL MEET THE REQUIREMENTS OF THE
WASHINGTON INDUSTRIAL SAFETY AND HEALTH ACT,
CHAPTER 49.17 RCW.
UTILITY NOTE
THE LOCATIONS OF EXISTING UNDERGROUND UTILITIES ARE
APPROXIMATE ONLY AND HAVE NOT BEEN INDEPENDENTLY
VERIFIED BY THE OWNER OR ITS REPRESENTATIVE. THE
CONTRACTOR SHALL DETERMINE THE EXACT LOCATION OF
ALL EXISTING UTILITIES BEFORE COMMENCING WORK AND
AGREES TO BE FULLY RESPONSIBLE FOR ANY AND ALL
DAMAGES THAT INCUR DUE TO THE CONTRACTOR'S FAILURE
TO LOCATE EXACTLY AND PRESERVE ANY AND ALL
UNDERGROUND UTILITIES. AHBL ASSUMES NO LIABILITY FOR
THE LOCATION OF UNDERGROUND UTILITIES.
VICINITY MAP
NOT TO SCALE
OWNER/APPLICANT
RENTON SCHOOL DISTRICT
300 SOUTHWEST 7TH STREET
RENTON, WA 98057
PHONE: 425-204-4437
CONTACT: ANDREW HOLLENBACK
EMAIL: ANDREW. HOLLENBACK@RENTONSCHOOLS.US
ARCHITECT
HUTTEBALL + OREMUS ARCHITECTURE
4010 LAKE WASHINGTON BOULEVARD NE, SUITE 320
KIRKLAND, WA 98033
PHONE: 425-828-8948
CONTACT: KEVIN OREMUS
EMAIL: KOREMUS@HOARCH.COM
N
8
CIVIL ENGINEER
AHBL INC.
2215 NORTH 30TH STREET, SUITE 300
TACOMA, WA 98403
PHONE: 253-383-2422
CONTACT: DAVID NASON
EMAIL: DNASON@AHBL.COM
SURVEYOR
AHBL INC.
2215 NORTH 30TH STREET, SUITE 300
TACOMA, WA 98403
PHONE: 253-383-2422
CONTACT: DAVE FOLLANSBEE
EMAIL: DFOLLANSBEE@AHBL.COM
GRAPHIC SCALE
0 25 50 100
1" = 50 FEET
SHEET INDEX
Sheet No.
Sheet Title
CO
COVER SHEET
C1
PLAY FIELD STORMWATER DRAINAGE PLAN
C2
STORMWATER DRAINAGE NOTES & DETAILS
C3
STORMWATER DRAINAGE DETAILS
C4
STORMWATER DRAINAGE DETAILS
R=430701
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:
A
A
PERMIT SET
JULY 9, 2024
7/9/2024
NOTICE
ALTERATION OF THIS DOM ENT SHALL IWALDATE THE
PROFESSIONAL SEAL AND SIGNATURE PUBLICATION OF
THIS DODAIENT DOES NOT DEROGATE FROM RESERVED
OWNERSW RIMS N IT. THIS DOCUMENT IS FOR USE
ONLY FOR THE PROD= IDENTIFIED N THE TIT E BLOCK
AND IS NOT TO BE USED FOR REPAIR, REMODEL OR
ADDITION TO THAT PROM OR FOR ANY OTHER PROJECT.
A
Revisions:
Sheet Title:
COVER SHEET
Designed by: Drawn by- Checked by:
JAD JAD DCN
Sheet No.
01 of 05 Sheets
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DEVELOPMENT ENGINEERING O
SAMorman 08/02/2024 kimoto
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A PORTION OF THE NE 1/4 OF THE NE 1/4 OF SEC. 30, TWNm 23 N. N
0
RGEm 05 E. W.M. CITY OF RENTON, KING COUNTY, WASHINGTON. o
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NSTCB 1376
CONNECT TO EXISTING \ \\ \ / RIM-196.96/�0
STORMWATER MANHOLE \ \ I / 8" PVC SE IP TYP
\ 0
IE:183.50 \ \ I / IE=194.93
STMH 1812 RIM=193.17 I I I I I I / 8" PVC SW-
12" CPP S IE=186.57 I \\ I I I I I \ / IE=194.59
18" CPP W IE=184.17 _ _
36" CMP NW IE=183.50 I \ \ I I I I I \ \ / \ I PV_ PER Aso
LADDER E I I I ` 997 2 T \
STMH 1814 RIM=189.51 / I I I ) % /� / , //\
18" CPP E IE=185.29 / 4" INSPECTION PORT__`
BEEHIVE GRATE \ // I \ A /
LADDER S \// / / / O/ I TCB 1377 IIIM-200. \ O Z /
8"\PVC SE IE=195.6 STCB 1=200.22 \ STCB 1160 RIM=205.65
ISOLATOR 1 �� NW IE\195. 8" PV-196.16 - \ �� \ \ / I I
ROW C�4 \ C N=196.15 10" CPP N IE=201.90 /
� � Q 6" PVC E IE=201.65 I /
41 LF 12" PVC SDR-35 @ 12.0% / / / / / 8" PVC SE IE=201.05 /
` �_�_ //o \ 10" CPP NW IE=200.75
C2 C2
3 6 REPLACE AND REPAIR FENCE ��
RIM=201.92
CATCH BASIN TYPE 2, 60" / / / j ND=197.92
♦ \ ,
5 CONTROLSTRUCTURE1 / � / I ♦ � � \ � \� � /
C3 RIM: 197.61 I (/ / / I / \/ \ \ LOCATIO STCB IE: 188.40 8" (E,W) / / / �\D \
THAT W RE VED
5 LF 12" PVC SDR-35 @ 0.0% / } / / o , / I / AND LI ABAND ED IN
C2 C2 % � o, �� , oN / , ♦ � \ \PEACE 97 C 2
C4 NYLOPLAST CATCH BASIN / / / �/ ���♦ / / / \ / \ \ \ - - _ _ STCB 11:
IE: 188.40 / / �/ o\°/ ♦ / / / \ / / 4" UNDERDRAIN
k �P/ / / ♦ / ♦ \ / / 2 \ 1 IM 6 PVC 8N
6 1 2 6" ADS N-12 PERFORATED / / / ��� ♦ @/ �� , I / /� �� �4� \ PVC CAP (TYP) I IE=204.z
C3 C4 C4 UNDERDRAIN / I �Q ♦ �/ p� I j 1 , \/
1 �
STORMWATER DETENTION FACILITY / %♦ I �� ♦ �/ �� ♦ / % I / I / / / I / \x \\
75 STORMTECH MC-7200 CHAMBERS / ♦ I Oj R. o�j ♦ / ♦ / / ♦ ♦ ♦ I / ,� x, �x
14 STORMTECH MC-7200 END CAPS / I �`5 / I J�♦ O�j �y �� ♦ / o I / ♦ j I / / ♦ , \ - x� / / / o I Q- �/ �` I
FACILITY DIMENSIONS: 116.86' x 47.27' x 7 / I / O�� P / o�� I ♦ '/I I / I % \�� I
TOP STONE/ELEV: 194.32
6 1 TOP CHAMBER/ELEV: 193.32 / 1g I / .^ J ♦ O ♦ / �, I / ♦ / ♦ ♦ / / , ♦ / ♦ i3� -
C3 �C4 BOT CHAMBER/ELEV: 188.32 \ I ♦ v / p� / P / o\°/ °��/ , CCDI / I� , ,I I / ♦ / /
BOT STONE/ELEV: 187.32 / \ \ \ ♦ / J� / / N./ o N ♦ / / / ♦ / ♦ / \ / I
BOT/AREA: 5,459 SIF ♦ /
/ Q ��' / \ / ♦ / M I / I / / / / x
N,R.
STCB 1375 RIM=195.34 TYP SF \ \ ♦ /\ ♦ �� / J ♦ Off♦ �Q / �P ♦ o / / ♦ ♦ / V / / / / , /
12" CPP N IE=190.29 6 1 MANIFOLD \ _ \ \ ♦ \ / ♦ ♦ ��♦ �♦ QO/♦ �/♦ / ♦ / I ♦ / I ♦ % k
8" PVC NE IE=192.84 C3 C4 \ / / / / �p ♦ / Off/ �♦ °\°
/ / / ♦ / I / /
4" PVC NE IE=190.74 � / / / �♦ J ♦ `L / � P/ ``�/ ♦ / I / / / / ♦
/ I ♦ @J / �` ^ / ♦ o /
8" PVC SE IE=192.84 NYLOPLAST INLET WITH % , / /
6 1 2 ISO PLUS ROW �� j I ��� J♦ // o� \��% °��% / ♦ �. ♦ j x I / / / I
IE:191.70 / \ I , ♦
cc
� , � / ♦ / \ �'` / Jam, � / �, �' o\° , ♦ / / 1 / / / / / '
19O/ �Oj �P / o/ / / / ♦ / , / / /
11 LF 8" N-12 @ 10.0% TYP IP \ \ O ♦ \ / / �\ ♦ u , p�/ ♦ QO/ (�J� �\�/ I ♦ / / / /
2 PERFORATEDJ�/
COLLECTOR DRAIN %\ I \ / / / ♦ o / ( ♦ ♦ �P ♦ ^o ♦ / / / \ / ♦ / / /
C3 \ / / / / `b/ JI O ♦ / � / /
SDCO #2 / �\ \\ I / / ♦ / % I ^/, �Q- ♦ @J, ° / ♦ / k \ / / /
♦ / �♦ �♦ ^, ♦ / \
4 RIM: 198.01 ( \ j j / / ��♦ I / / J ♦ Q ♦ �\ ♦ ♦ ♦ ♦ / ' �
N C3 IE: 192.80 \X 1 \ / , / , / I / �°'/ / Qp/ @J ♦ I / ♦ ♦ j \ ` l l /
x�x \ \ ♦ \ / ♦ / / / ♦ �v / �Q/♦ Q ♦ o\/ ♦ / / / / /
&, JIk
I / �Pj ^ / ♦ (oIV
/
/ / / / / ♦ I / p� /LP ♦ o,
STCB 573 RIM=197.25 ♦ , / ♦ ♦ , p / Q- ♦ �/ ♦ / / / /
GRAPHIC SCALE
0 10 20 40
1" = 20 FEET
LEGEND
IP ®
INLET PROTECTION 4
C2
SF
SILT FENCE 5
C2
O
CATCH BASIN TYPE 2, 60"
CONTROLSTRUCTURE
•
STORM DRAINAGE CLEANOUT
D
STORM DRAINAGE PIPE
- - - - - - - - - - - - - PERFORATED UNDERDRAIN
n
PERFORATED UNDERDRAIN CAP
DETENTION TRENCH FACILITY
0
0
Know what's below.
Call before you dig.
GRASS SEE,
SEE SPECIFICATIONS
3 Y4" ROOT ZONE SAND MIX,
SEE SPECIFICATIONS
8" BASE SAND MIX,
SEE SPEFICICATIONS
FINISH
COMMON GRADE
BORROW FILL
8" PVC SE IE=194.65 / / / / , / u , Q�/ P / p\o / / / / N / /
8" PVC NW IE=194.63 ♦ / / , / / ,moo / Jam/ O� / �/
/ / / / / / `�'♦ D / Q' /
STCB 574 RIM=199.20
8" PVC SE IE=196.45
8" PVC NW IE=196.43
315 LF 8" N-12 @ 2.8%
2 PERFORATED j /� I % ��� J�Q/♦ �!/ �xz X��
COLLECTOR DRAIN , / I / I / / \^/ / -X74-
STCB 577 RIM=204.70
8" PVC SW IE=202.77
L TOP OF DETENTION TRENCH
BEDDING STONE, ELEV: 194.32
TYPICAL DETENTION TRENCH &
FIELD RESTORATION SECTION
SCALE: 1" = 1'
GRASS SEE, / \ / / / ♦ / , �`
SEE SPECIFICATIONS ♦ / , ♦ / / IP TYP
3 Y4" ROOT ZONE SAND MIX,
SEE SPECIFICATIONS STCB 575 RIM=201.28 ♦ / / 7`5��1- / I / }/
8" BASE SAND MIX, 8" PVC SE IE=198.60
SEE SPEFICICATIONS FINISH 8" PVC NW IE=198.58 \ \ \ \\ / / / �\
GRADE \ I / / 4" PVC SDR-35 PERFORATED 1
SUBGRADE ♦ \I j UNDERDRAIN (TYP) C3
TYPICAL FIELD
RESTORATION SECTION
SCALE: 1" = 1'
3 UNDERDRAIN / COLLECTOR
C3 DRAIN CONNECTION (TYP)
4 SDCO #1
C3 RIM:203.26
IE:201.62
1}
STCB 576 RIM=203.25
/ } 8" PVC NE IE=200.63
8" PVC NW IE=200.60
R=430702
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
w-w-v " 7/9/2024
NOTICE
ALTERATION OF THIS DOCUIENT SHALL IWALDATE THE
PROFESSIONAL SEAL AND SIGNATURE PUBLICATION OF
THIS DOCUIENT DOES NOT DEROGATE FROM RESERVED
OXIFRSW RIMS N IT. THIS DOCUMENT IS FOR USE
ONLY FOR THE PROJECT IDENTIFIED N THE TIT E BLOCI
AND IS NOT TO BE USED FOR REPAIR, REMODEL OR
ADDITION TO THAT PROJECT OR FOR ANY OTHER PROJECT.
/4\
/3\
/i\
Revisions:
Sheet Title:
PLAY FIELD
STORMWATER
DRAINAGE PLAN
Designed by: Drawn bv: Checked bv:
JAD JAD DCN
Sheet No.
C1
02 of 05 Sheets
[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. �
v
N
EROSION AND SEDIMENT CONTROL ESC STANDARD PLAN NOTES:
i l
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
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SgI�L,�
ter_ t�rr
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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
DEVELOPMENT ENGINEERING
TALBOT HILL ELEMENTARY SCHOOL
A PORTION OF THE NE 1/4 OF THE NE 1/4 OF SEC. 30, TWNm 23 N.,
RGEm 05 E. W.M. CITY OF RENTON, KING COUNTY, WASHINGTON.
GRASS SEED, SEE
SPECIFICATIONS
ROOT ZONE SAND MIX,
SEE SPECIFICATIONS
BASE SAND MIX, SEE
c) SPECIFICATIONS
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TRENCH LIMITS
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PEA GRAVEL UNDER PIPE
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NOT TO SCALE
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STORMTECH MC-7200 CHAMBERS
200.32
MAXIMUM ALLOWABLE GRADE (TOP OF PAVEMENT/UNPAVED)
14
STORMTECH MC-7200 END CAPS
195.82
MINIMUM ALLOWABLE GRADE (UNPAVED WITH TRAFFIC)
12
STONE ABOVE (in)
195.32
MINIMUM ALLOWABLE GRADE (UNPAVED NO TRAFFIC)
12
STONE BELOW (in)
195.32
MINIMUM ALLOWABLE GRADE (BASE OF FLEXIBLE PAVEMENT)
40
% STONE VOID
195.32
MINIMUM ALLOWABLE GRADE (TOP OF RIGID PAVEMENT)
5,461
SYSTEM AREA (ftz)
194.32
TOP OF STONE
328
SYSTEM PERIMETER (ft)
193.32
TOP OF MC-7200 CHAMBER
20,665
MINIMUM INSTALLED STORAGE (C9
191.29
12" TOP MANIFOLD INVERT
188.51
24" ISOLATOR ROW PLUS CONNECTION INVERT
188.45
12" BOTTOM MANIFOLD INVERT
188.32
BOTTOM OF MC-7200 CHAMBER
187.32
UNDERDRAIN INVERT
187.32
BOTTOM OF STONE
ISOLATOR ROW PLUS
(SEE DETAIL)
PLACE MINIMUM 17.50' OF ADSPLUS125 WOVEN GEOTEXTILE OVER BEDDING
STONE AND UNDERNEATH CHAMBER FEET FOR SCOUR PROTECTION AT ALL
CHAMBER INLET ROWS
BED LIMITS
PART TYPE
PREFABRICATED END CAP
PREFABRICATED END CAP
PREFABRICATED END CAP
FLAMP
MANIFOLD
MANIFOLD
NYLOPLAST (INLET W/ ISO
PLUS ROW)
CATCH BASIN (5/C3) NYLOF
(OUTLET)
UNDERDRAIN
INSPECTION PORT
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PERFORATED COLLECTOR DRAIN
PIPE, ELEVATION PER FIELD
DRAINAGE PLAN
90 DEG. REDUCING SNAP TEE OR
45 DEG. SNAP Y AND REDUCING
COUPLING AS REQUIRED (NO
5'-0" � SADDLE TEES).
2" DEPTH MIN. PEA GRAVEL
BENEATH PIPE (TYP)
GEOTEXTILE FABRIC
COLLECTOR DRAIN CONNECTION
NOT TO SCALE
'INVERT ABOVE BASE OF CHAMBER
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NOTES
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• MANIFOLD SIZE TO BE DETERMINED BY SITE DESIGN ENGINEER. SEE TECHNICAL NOTE 6.32 FOR MANIFOLD SIZING GUIDANCE.
LL
• DUE TO THE ADAPTATION OF THIS CHAMBER SYSTEM TO SPECIFIC SITE AND DESIGN CONSTRAINTS, IT MAY BE NECESSARY TO CUT AND COUPLE ADDITIONAL PIPE
10
�
z r
TO STANDARD MANIFOLD COMPONENTS IN THE FIELD.
N
• THIS CHAMBER SYSTEM WAS DESIGNED WITHOUT SITE -SPECIFIC INFORMATION ON SOIL CONDITIONS OR BEARING CAPACITY. THE SITE DESIGN ENGINEER IS
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RESPONSIBLE FOR DETERMINING THE SUITABILITY OF THE SOIL AND PROVIDING THE BEARING CAPACITY OF THE INSITU SOILS. THE BASE STONE DEPTH MAY BE
yLL
= W
INCREASED OR DECREASED ONCE THIS INFORMATION IS PROVIDED.
• THE SITE DESIGN ENGINEER MUST REVIEW ELEVATIONS AND IF NECESSARY ADJUST GRADING TO ENSURE THE CHAMBER COVER REQUIREMENTS ARE MET.
SHEET
2OF6
ADS STORMTECH MC-7200 STORMWATER DRAINAGE DETENTION FACILITY DETAILS
NOT TO SCALE
.r W-V FLAT FACE GOTHIC
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a 0 $TOM 0 4-
0000
CIO
HY1r8' DA
76772' DIA
I2j M'-,6 S$ SOCI(ET WAD CAP 15' OIA
11) OPEN PICKHOLE 1' SCREW (ALLENHEAD) WAMSHAS
ON A B' CIA BOLT CIRCLE
COVER SECTION
CAST {RON FRAME AND PAVED AREA ITYP.}
COVER SEE NOTE 3
t�° 1p• EXTEND DESIGN
NDIN
SER
2' ABOVE CESiGH PGNDING
ELEVATION OR PER PLAN FERNCO GASKETED
011IK CAP Ili 54MILRR
DESIGN PONDtNG
�!: ELEVATION 4. 57TiElUAgED COBBLES
CLASS �• - PER W5DO7 �03.171$y
ASPHALTS' 5EE NOTE 1
CLFJWOLII RISER. SEE NOTE
+•COMPACTED SAND OR
GRAVEL BACKFILL FOR DRAINS
PER WSDOT 8-03.12f41
-1-1I,
T
CLEANOUT RISER. rT1
SOIL TK3HT 45' BEND SEE NOTE 7 l
AT
SOIL TIGHT
GHT I
COUPLER 1T
UHDERDRAIN, FDOTINC IT
DRAIN G9LLEGTdi, OR
ROOF DRAIN COLLECTOR
PIPE. SEE NOTE T - CLEANOUT RISER LOCATED WITHIN
BIORE'TENTION PONDING AREA
•"-.- , liiliiill
TOOVERFLOW STRUCTURE OR
STORM MAIN
MECHANICAL PLUG OR
CONTINUED CONNECTION
TYPICAL CLEANOUT CONFIGURAT1011
NOTES;
1. DIAMETER TO BE &INCHES MINr"UM PRIVATE. 8-INCHES MINIMUM PUBLIC. UNDERORAIN PIPE PER STD PLAN 262.1D
2. CLEANOUT RISER SHALL BE SAME MATERIAL AS CONNECTED UNDERDRAIN. FOOTING DRAIN COLLECTOR DR ROOF BRAIN COLLECTOR PIPE
3 FRAME A20 COVER SHALL BE EA PRODUCTS 3f 7U11PT AND M75APT OR APPROVED EQUAL COVER TA BE LOCKING WITH ALLEN MEAD BOLT, MARKED "5TORM" OR
'iIRAIN'
A. FOR CLEANOUTS FULLY OR PARTLALLY WITHIN UNPAVED AREAS OUTSIDE OF BIDRETENTION FUNDING AREA, POUR S' THICK 9'I17 SQUARE CONCRETE COLLAR
AROUND FRAME. CONCRETE COLLAR SHALL HAVE A MINIMUM COMPRESSIVE STRENGTH OF 3.OW PSI.
GENERAL NOTES:
1 . CLEANOUTS FOR UNDERORAIN. FDOTING DRAIN COLLECTOR, AND ROOF DRAIN COLLECTOR PIPES SMALL BE INSTALLED AT A MINIMUM OF EVERY 100 FEET. AT
EVERY W DEGREE OR SECOND 45 DEGREE BEND, AT THE END OF EVERY COLLECTOR PIPE AND AT EACH END OF AN UNDERDRMN PIPE NOT CONNECTED TO AN
OVERFLOW STRUCTURE CLEANOUT5 SHALL SE INSTALLED TO ALLOW FOR MAINTENANCE ACCESS TO ALL PEES_
2- ALL FITTINGS SHALL BE SOIL TIGHT.
3. CLEANOUT RISER SHALL BE LOCATED OUTSIDE OF MORETENTION PONOING WHERE POSSIBLE
4. CLEANOUTS SHALL NOT BE LOCATED WITHIN THE STREET TRAVEL LANI=, UNLESS OTHERWISE APPROVED BY THE CITY.
UNLf55 OTHERWISE NCTE°, DRAWING IS NOT TO SCALE { NTS I
STD. PLAN - 226,00
PUBLIC WORKS °6'
.� STORM SYSTEM CLEANOUT s/13/20
❑EPARTMENT artin Pastucha
V4337 DATE
COLLECTOR DRAIN CLEAN OUT
NOT TO SCALE
7 MIN. CLEARANCE TO
ANY PORTION OF FLOW RESTRICTOR
TEE INCLUDING ELBOWS
,
REMOVABLE
f►�
jl I
O FLANGE
COUPLING OR FLANGE
3'HAIIN. A
ELBOW RESTRICTIOIK
SEEDETAILANDNDTE 10
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ANGLE AS
NECESSARY,
/
SEE NOTE
B MIN.
' MIN,
^-�
S" MAX.
PLATE WELDED TO ELBOW WITH
PLAN VIEW
IE4I; ICE AS SPECIFIED, SEE NOTE 3
ELBOW RESTRICTOR DETAIL
ADDITIONAL LADDER RUNGS (IN SET5I TO
ALLOW ACCESS TO TANKS OR VAULT$
WHEN CATCH I5 HUED WITH WATER
FL EVATI ON PER PLANS
72" MIN UNDER r FRAME d SOLID COVER MARKED 'DRlUN" WITH PAVEMENT 1 LOCKING BOLTS PER STD PLANS 2N.40 AND 204.50
!! RIM ELEV. = IW.61
ERTICAL BAR GRATE FOR
SECONDARY INLET
6 MINOP
-OF RISER 1 DESIGN WATER
ELBOW RESTRICTOR,URFACE
ELEV- = 195.40
SEE DETAIL AND NOTE IDRANDHOLDS.
STEPS. OR LADDER
PIPE SUPPORTS, SEE NO
1 5 x
rD
5EE NOTE 13 ITYP.N7x
OUTLET PIPE. SINLET
PIPE 12, PVC amn IE 188.44
NOTES I A 6INVERT
ANDSHEAR
GATE WITH CONTROL ROD FOR
ELEVATION PER PLANSC.
(ROD T At,WITH REQUCOVE RED
FORCILEVERTICALA L
FOR VERTICAL ALIGNMENT WITH COVER]
NT
72' SECTION OF PIPE ATTACHED BY 1
PER S7p PLAN 237.3E
GA.SKETED SAID TO ALLOW REMOVAL c� 2'
12 MIN
WELDED ROLA
ORIFICE 61AASESTRECTSPECIFIEDRPTE. 5EE NWITHOTE 10
ELEV = 186.40
ORIFICE DIA = 0.559• SECTION A
NOTES:
1 USE A MINIMUM OF A 64" DABAMFI TYPE 2 CATCH BASIN.
2. OUTLET CAPACITY: 100•YEAR DEVELOPED PEAK FLOW.
3. METAL PARTS PREFERRED TO BE STAINLESS STEEL, ALUMIN2ED STEEL, OR ALUMINUM. ALL OTHER STEEL PARTS MUST BE GALVANIZE D VJHTH TREATMENTS 1, 2 OR 5.
i FRAME AND LADDER OR STEA$ OFFSET SD:
A CLEANOUT GATE 15 VISIBLE FROM TOP.
B CLIMB -DOWN SPACE IS CLEAR Of RISER AND CLEANOUT GATE.
C FRAME IS CLEAR OF CURB.
S. IF METAL OUTLET PIPE CONNECTS TO CEMENT CONCRETE PIPE: OUTLET PIPE TO HAVE SMOOTH O.D. EQUAL TO CONCRETE PIPE 10. LESS 114'.
6. PROVIDE AT LEAST ONE 3' X .080 GAGE SUPPORT BRACKET ANCHORED TO CONCRETE WALL IMA%IMUM T-O' VERTICAL SPACINGI
1. LOCATE ELBOW RESTRICTORISi AS NECESSARY TO PROVIDE MINIMUM CLEARANCE AS SH IC WN.
B. LOCATE ADDITIONAL LADDER RUNGS 04 STRUCTURES USED ASACCESS TD TANKS AND VAULTS TO ALLOW ACCESS VMFN CATCH BASIN 19 KILLED WITH WATER
9. WHEN CONNECTING TD A NEW PIPE, U SE A FLEX{BLE CONRECTOR IKOR-N-5EAL BOOT WITH C(5RRUGATED PIPE A°APTER OR APPROVED EULIALI. WHEN CONNECTING
TO AN EXISTING PIPE, USE A FABRICATED SAND COLLAR OF THE SAME MATERIAL AS THE CONNECTING PIPE.
10. IF TEE SECTION IS USED ONLY FOR SPILL CONTROL T4[EN ELBOW RE STRI CTORS AND RE STRICTOR PLATES WITH ORIFICES ARE NOT REM IRFD.
UNLESS OTHER WISE NOTES, DRAWING IS NOT TO SCALE {FMI
STD. PLAN - 237.00
. �� PUBLIC WORKS
FLOW CONTROL STRUCTURE -
6y
UAL DEPARTMENT
UR
RESTRIC€OR TEE
Martin Pastucha 8/i3�70
JI Ir 786WOD DATE
CONTROL STRUCTURE
NOT TO SCALE
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R=430704
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
7/9/2024
NOTICE
ALTERATION OF THIS DOME NT SHALL INVALDATE THE
PROFESSIONAL SEAL AND SIGNATURE PUBLICATION OF
THIS DOCUMENT DOES NOT DEROGATE FROM RESERVED
OII EiSIf MRS N IT. THIS DOCUMENT IS FOR USE
ONLY FOR THE PROM DARED N THE TITLE BLOC(
AND IS NOT TO BE USED FOR REPAIR, REMODEL OR
ADDITION TO THAT PROAM OR FOR ANY OTHER PROJ7.
A
Revisions:
Sheet Title:
STORMWATER
DRAINAGE DETAILS
Designed by: Drawn by- Checked by:
JAD JAD DCN
Sheet No-
04 of 05 Sheets
ti
O
M
W
FM
DEVELOPMENT ENGINEERING Q
TALBOT HILL ELEMENTARY SCHOOL Ito
A PORTION OF THE NE 1/4 OF THE NE 1/4 OF SEC. 30, TWNm 23 N.,LO
RGEm 05 E. W.M. CITY OF RENTON, KING COUNTY, WASHINGTON. �
N
i.:
11AW.
Advanced Drainage Systems, Inc.
MC-7200 STORMTECH CHAMBER SPECIFICATIONS
1. CHAMBERS SHALL BE STORMTECH MC-7200.
CHAMBERS SHALL BE ARCH -SHAPED AND SHALL BE MANUFACTURED FROM VIRGIN, IMPACT -MODIFIED
POLYPROPYLENE COPOLYMERS.
3, CHAMBERS SHALL MEET THE REQUIREMENTS OF ASTM F2418.16a,'STANDARD SPECIFICATION FOR
POLYPROPYLENE (PP) CORRUGATED WALL STORMWATER COLLECTION CHAMBERS -CHAMBER
CLASSIFICATION 60001.
4. CHAMBER ROWS SHALL PROVIDE CONTINUOUS, UNOBSTRUCTED INTERNAL SPACE WITH NO INTERNAL
SUPPORTS THAT WOULD IMPEDE FLOW OR LIMIT ACCESS FOR INSPECTION.
5. THE STRUCTURAL DESIGN OF THE CHAMBERS, THE STRUCTURAL BACKFILL, AND THE INSTALLATION
REQUIREMENTS SHALL ENSURE THAT THE LOAD FACTORS SPECIFIED IN THE AASHTO LRFD BRIDGE
DESIGN SPECIFICATIONS, SECTION 12.12, ARE MET FOR: 1) LONG -DURATION DEAD LOADS AND 2)
SHCRT-DURATION LIVE LOADS. BASED ON THE AASHTO DESIGN TRACK WITH CONSIDERATION FOR IMPACT
AND MULTIPLE VEHICLE PRESENCES.
6. CHAMBERS SHALL BE DESIGNED, TESTED AND ALLOWABLE LOAD CONFIGURATIONS DETERMINED IN
ACCORDANCE WITH ASTM F2787, *STANDARD PRACTICE FOR STRUCTURAL DESIGN OF THERMOPLASTIC
CORRUGATED WALL STORMWATER COLLECTION CHAMBERS'. LOAD CONFIGURATIONS SHALL INCLUDE: 1)
INSTANTANEOUS (0 MIN) AASHTO DESIGN TRUCK LIVE LOAD ON MINIMUM COVER 2) MAXIMUM PERMANENT
(75-YR) COVER LOAD AND 3) ALLOWABLE COVER WITH PARKED (1-WEEK) AASHTO DESIGN TRUCK.
7. REQUIREMENTS FOR HANDLING AND INSTALLATION:
• TO MAINTAIN THE WIDTH OF CHAMBERS DURING SHIPPING AND HANDLING, CHAMBERS SHALL HAVE
INTEGRAL, INTERLOCKING STACKING LUGS.
• TO ENSURE A SECURE JOINT DURING INSTALLATION AND BACKFILL, THE HEIGHT OF THE CHAMBER
JOINT SHALL NOT BE LESS THAN 3.
• TO ENSURE THE it
OF THE ARCH SHAPE DURING INSTALLATION, a) THE ARCH STIFFNESS
CONSTANT SHALL BE GREATER THAN OR EQUAL TO 450 LBS4 WIN. THE ABC IS DEFINED IN SECTION
6.2.8 OF ASTM F24IS AND b) TO RESIST CHAMBER DEFORMATION DURING INSTALLATION AT ELEVATED
TEMPERATURES (ABOVE 73' F 123' C), CHAMBERS SHALL BE PRODUCED FROM REFLECTIVE GOLD OR
YELLOW COLORS.
8. ONLY CHAMBERS THAT ARE APPROVED BY THE SITE DESIGN ENGINEER WILL BE ALLOWED. UPON
REQUEST BY THE SITE DESIGN ENGINEER OR OWNER, THE CHAMBER MANUFACTURER SHALL SUBMIT A
STRUCTURAL EVALUATION FOR APPROVAL BEFORE DELIVERING CHAMBERS TO THE PROJECT SITE AS
FOLLOWS:
• THE STRUCTURAL EVALUATION SHALL BE SEALED BY A REGISTERED PROFESSIONAL ENGINEER.
• THE STRUCTURAL EVALUATION SHALL DEMONSTRATE THAT THE SAFETY FACTORS ARE GREATER
THAN OR EQUAL TO 1.95 FOR DEAD LOAD AND 1.75 FOR LIVE LOAD, THE MINIMUM REQUIRED BY ASTM
F2787 AND BY SECTIONS 3 AND 12.12 OF THE AASHTO LRFD BRIDGE DESIGN SPECIFICATIONS FOR
THERMOPLASTIC PIPE.
• THE TEST DERIVED CREEP MODULUS AS SPECIFIED IN ASTM F2418 SHALL BE USED FOR PERMANENT
DEAD LOAD DESIGN EXCEPT THAT IT SHALL BE THE 75-YEAR MODULUS USED FOR DESIGN.
9. CHAMBERS AND END CAPS SHALL BE PRODUCED AT AN ISO 9001 CERTIFIED MANUFACTURING FACILITY.
COVER PIPE CONNECTION TO END CAP WITH ADS
GEOSYNTHETICS 601T NON -WOVEN GEOTEXTILE
STORMTECH HIGHLY RECOMMENDS 1 -
FLEXSTORM INSERTS IN ANY UPSTREAM
STRUCTURES WITH OPEN GRATES ,1
ELEVATED BYPASS MANIFOLD
SiteASSIST' ar
FOR STORMTECH
INSTRUCTIONS,
DOWNLOAD THE a
INSTALLATION APP
o.
IMPORTANT - NOTES FOR THE BIDDING AND INSTALLATION OF MC-7200
CHAMBER SYSTEM
1, STORMTECH MC-7200 CHAMBERS SHALL NOT BE INSTALLED UNTIL THE MANUFACTURER'S
REPRESENTATIVE HAS COMPLETED A PRE -CONSTRUCTION MEETING WITH THE INSTALLERS.
2. STORMTECH MC-7200 CHAMBERS SHALL BE INSTALLED IN ACCORDANCE WITH THE "STORMTECH MC-7200
CONSTRUCTION GUIDE".
3. CHAMBERS ARE NOT TO BE BACKFILLED WITH A DOZER OR EXCAVATOR SITUATED OVER THE CHAMBERS.
STORMTECH RECOMMENDS 3 BACKFILL METHODS:
STONESHOOTER LOCATED OFF THE CHAMBER BED.
BACKFILL AS ROWS ARE BUILT USING AN EXCAVATOR ON THE FOUNDATION STONE OR SUBGRADE.
• BACKFILL FROM OUTSIDE THE EXCAVATION USING A LONG BOOM HOE OR EXCAVATOR.
4. THE FOUNDATION STONE SHALL BE LEVELED AND COMPACTED PRIOR TO PLACING CHAMBERS,
5. JOINTS BETWEEN CHAMBERS SHALL BE PROPERLY SEATED PRIOR TO PLACING STONE.
6. MAINTAIN MINIMUM -9'(230 mm) SPACING BETWEEN THE CHAMBER ROWS.
7, INLET AND OUTLET MANIFOLDS MUST BE INSERTED A MINIMUM OF 12` (300 mm) INTO CHAMBER END CAPS.
8, EMBEDMENT STONE SURROUNDING CHAMBERS MUST BE A CLEAN, CRUSHED, ANGULAR STONE MEETING
THE AASHTO M43 DESIGNATION OF #3 OR #4.
9. STONE SHALL BE BROUGHT UP EVENLY AROUND CHAMBERS SO AS NOT TO DISTORT THE CHAMBER
SHAPE. STONE DEPTHS SHOULD NEVER DIFFER BY MORE THAN 12" (3DO mm) BETWEEN ADJACENT
CHAMBER ROWS.
10. STONE MUST BE PLACED ON THE TOP CENTER OF THE CHAMBER TO ANCHOR THE CHAMBERS IN PLACE
AND PRESERVE ROW SPACING.
11. THE CONTRACTOR MUST REPORT ANY DISCREPANCIES WITH CHAMBER FOUNDATION MATERIAL BEARING
CAPACITIES TO THE SITE DESIGN ENGINEER.
12. ADS RECOMMENDS THE USE OF "FLEXSTORM CATCH IT" INSERTS DURING CONSTRUCTION FOR ALL INLETS
TO PROTECT THE SUBSURFACE STORMWATER MANAGEMENT SYSTEM FROM CONSTRUCTION SITE
RUNOFF.
NOTES FOR CONSTRUCTION EQUIPMENT
1. STORMTECH MC-7200 CHAMBERS SHALL BE INSTALLED IN ACCORDANCE WITH THE'STORMTECH MC-7200
CONSTRUCTION GUIDE'.
2. THE USE OF EQUIPMENT OVER MC-720D CHAMBERS IS LIMITED:
NO EQUIPMENT IS ALLOWED ON BARE CHAMBERS.
• NO RUBBER TIRED LOADER, DUMP TRUCK. OR EXCAVATORS ARE ALLOWED UNTIL PROPER FILL
DEPTHS ARE REACHED IN ACCORDANCE WITH THE "STORMTECH MC-7200 CONSTRUCTION GUIDE'.
• WEIGHT LIMITS FOR CONSTRUCTION EQUIPMENT CAN BE FOUND IN THE'STORMTECH MC-7200
CONSTRUCTION GUIDE",
3. FULL 36" (900 mm) OF STABILIZED COVER MATERIALS OVER THE CHAMBERS IS REQUIRED FOR DUMP
TRUCK TRAVEL OR DUMPING.
USE OF A DOZER TO PUSH EMBEDMENT STONE BETWEEN THE ROWS OF CHAMBERS MAY CAUSE DAMAGE TO
CHAMBERS AND IS NOT AN ACCEPTABLE BACKFILL METHOD. ANY CHAMBERS DAMAGED BY USING THE "DUMP
AND PUSH" METHOD ARE NOT COVERED UNDER THE STORMTECH STANDARD WARRANTY.
CONTACT STORMTECH AT 1-888-892-2694 WITH ANY QUESTIONS ON INSTALLATION REQUIREMENTS OR WEIGHT
LIMITS FOR CONSTRUCTION EQUIPMENT.
INSTALL FLAMP ON 24' (600 mm) ACCESS PIPE
PART #: MCFLAMP
r MC-7200 CHAMBER
OPTIONAL INSPECTION PORT
MC-7200 END CAP
------- ---- ---
SUMP DEPTH TED BY CATCH BASIN
SITE DESIGN ENGINEER OR MANHOLE
(24' (600 mm) MIN RECOMMENDED)
24' (600 mm) HOPE ACCESS PIPE REQUIRED ONE LAYER OF ADSPLILS125 WOVEN GEOTEXTILE BETWEEN
USE FACTORY PARTIAL CUT END CAP PART #: FOUNDATION STONE AND CHAMBERS
I I
248 OR MC72001EPP248W 10.3' (3.1 m MIN WIDE CONTINUOUS FABRIC WITHOUT SEAMS
MC72001EPP)
3
MC-7200 ISOLATOR ROW PLUS DETAIL
12" (300 mm) MIN WIDTH -
I_ NYLOPLAST 8" LOCKING SOLID
COVER AND FRAME
8' (200 mm) MIN THICKNESS OF ASPHALT
CONCRETE COLLAR! ASPHALT OVERRAN
OVERLAY AND CONCRETE COLLAR
- NOT REQUIRED FOR GREENSPACE OR
INSPECTION & MAINTENANCE
NON -TRAFFIC APPLICATIONS
STEP 1) INSPECT ISOLATOR ROW PLUS FOR SEDIMENT
_
A. INSPECTION PORTS (IF PRESENT)
_
-
Al. REMOVE/OPEN LID ON NYLOPLAST INLINE DRAIN
_
8" NYLOPLAST UNIVERSAL DRAIN BODY
A,2. REMOVE AND CLEAN FLEXSTORM FILTER IF INSTALLED
(PART# 2708AG41PKIT) OR TRAFFIC RATED
A.3. USING A FLASHLIGHT AND STADIA ROD, MEASURE DEPTH OF SEDIMENT AND RECORD ON MAINTENANCE LOG
ASPHALT OVERLAY FOR J
BOX W7SOLID LOCKING COVER
A.4. LOWER A CAMERA INTO ISOLATOR ROW PLUS FOR VISUAL INSPECTION OF SEDIMENT LEVELS (OPTIONAL)
TRAFFIC APPLICATIONS
A.S. IF SEDIMENT IS AT, OR ABOVE, 3' (80 mm) PROCEED TO STEP 2. IF NOT. PROCEED TO STEP 3.
4" 1100 mm) SDR 35 PIPE
B. ALL ISOLATOR PLUS ROWS
CONCRETE COLLAR J
-, _
_
8.1. REMOVE COVER FROM STRUCTURE AT UPSTREAM END OF ISOLATOR ROW PLUS
0.2. USING A FLASHLIGHT. INSPECT DOWN THE ISOLATOR ROW PLUS THROUGH OUTLET PIPE
STORMTECH CHAMBER
1) MIRRORS ON POLES OR CAMERAS MAYBE USED TO AVOID A CONFINED SPACE ENTRY
;1) FOLLOW OSHA REGULATIONS FOR CONFINED SPACE ENTRY IF ENTERING MANHOLE
4' (100 mm) INSERTA TEE
B.3. IF SEDIMENT IS AT, OR ABOVE, 3" (80 ..)PROCEED TO STEP 2. IF NOT, PROCEED TO STEP 3.
TO BE CENTERED ON CORRUGATION VALLEY
STEP 2) CLEAN OUT ISOLATOR ROW PLUS USING THE JETVAC PROCESS
A. A FIXED CULVERT CLEANING NOZZLE WITH REAR FACING SPREAD OF 45' (1.1 m) OR MORE IS PREFERRED
B. APPLY MULTIPLE PASSES OF JENAC UNTIL BACKFLUSH WATER IS CLEAN
C. VACUUM STRUCTURE SUMP AS REQUIRED
STEP 3) REPLACE ALL COVERS, GRATES, FILTERS, AND LIDS; RECORD OBSERVATIONS AND ACTIONS -
STEP 4) INSPECT AND CLEAN BASINS AND MANHOLES UPSTREAM OF THE STORMTECH SYSTEM.
NOTE:
INSPECTION PORTS MAY BE CONNECTED THROUGH ANY CHAMBER CORRUGATION VALLEY. NOTES
1. INSPECT EVERY 6 MONTHS DURING THE FIRST YEAR OF OPERATION. ADJUST THE INSPECTION INTERVAL BASED ON PREVIOUS
OBSERVATIONS OF SEDIMENT ACCUMULATION AND HIGH WATER ELEVATIONS.
2. CONDUCT JETTING AND VACTORING ANNUALLY OR WHEN INSPECTION SHOWS THAT MAINTENANCE IS NECESSARY.
4 4" PVC INSPECTION PORT DETAIL (MC SERIES CHAMBER)
STORMTECH
STORMTECH
CHAMBER
OUTLET MANIFOLD
FOUNDATION STONE
BENEATH CHAMBERS
ADS GEOSYNTHETICS 801T J
NON -WOVEN GEOTEXTILE JJ SECTION A -A DUAL WALL
PERFORATED
HDPE
STORMTECH -- UNDERDRAIN
END CAP r' -
FOUNDATION STONE
A BENEATH CHAMBERS
T
ADS GEOSYNTHETICS 601T
A NON -WOVEN GEOTEXTILE
NUMBER AND SIZE OF UNDERDRAINS PER SITE DESIGN ENGINEER
4(100 mm) TYP FOR SC-310 & SC-160LP SYSTEMS SECTION B-B
6' (150 mm) TYP FOR SC-740, SC-800, DC-780, MC-3500, MCI500 & MC-7200 SYSTEMS
5 UNDERDRAIN DETAIL
T STORMTECH END CAP
12' (300 mm) MIN INSERTION
MANIFOLD STUB
MANIFOLD HEADER
2 300 mm
MIN SEPARATION
12' (300 mm)
MIN SEPARATION
VALLEY CREST
STIFFENING RIB WEB (,jl
LOWER JOINTRUGATION CORRUU PER GATION
Q p
CORRUGATION CORRUGATION W
U �
79 I- Q
(2010 m) 834" CREST
INSTALLED (2120 mm) STIFFENING N - W
RIB O Z ~ W O
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In
U O o K
LU Z > In
FOOT LU 30 K
a BUILD ROW IN THIS DIRECTION O a LU
Q V) Z
0 0 <Z
1- W
cC pz
60.0" 32.8' G Z UO-1
(1524 (833-) mm) 61.0 J Ow
(1549mm) INSTALLED W
F Uj W
Z 2
Z F
100.0" (2540 mml 9DAr (2286 mm) > I jJ > W,
F
NOMINAL CHAMBER SPECIFICATIONS QUJ
�W
SIZE (W X H X INSTALLED LENGTH) 100.0`X60,0-X79.1` (2540 mm X 1524 mm X 2010 mm) Q ,r WZ
CHAMBER STORAGE 175.9 CUBIC FEET (4.98 m') L"� -� W
MINIMUM INSTALLED STORAGE- 267.3 CUBIC FEET (7.66 m') a
WEIGHT (NOMINAL) 2051bs. (92.9 kg) 7
DU
NOMINAL END CAP SPECIFICATIONS 38.0" Z 00
SIZE (W X H X INSTALLED LENGTH) 90.0" X 61.0" X 32.8' (2286 mm X 1549 mm X 833 mm) (965 mml I-" O W
END CAP STORAGE 315 CUBIC FEET (1.12 m') Q =
MINIMUM INSTALLED STORAGE' 115.3 CUBIC FEET (3.26 m') K
WEIGHT JNOMINAL) 901bs. (40.8 kg) Z
'ASSUMES 12" (305 mm) STONE ABOVE, 9- (229 mm) STONE FOUNDATION AND BETWEEN CHAMBERS, Z W
12' (305 mm) STONE PERIMETER IN FRONT OF END CAPS AND 40% STONE POROSITY. w IA
PARTIAL CUT HOLES AT BOTTOM OF END CAP FOR PART NUMBERS ENDING WITH'8' ~ Z
PARTIAL CUTPpp_FpjrATpn S ENDING WITH HOLES AT TOP OF END CAP FOR PART NUMBERQ
wWITH Z
ip
K F
e > U
T Z y
W00
°U
W a0
W K
J �WU
Q Inaw
Q J �
CUSTOM PREFABRICATED INVERTS ¢ F aL.
ARE AVAILABLE UPON REQUEST. = W
INVENTORIED MANIFOLDS INCLUDE O W K IS =
12-24- (300-600 mm) SIZE ON SIZE O W
AND 15-a' (375-1200 mm) O 0 Z EC�= W O
CENTRIC MANIFOLDS. CUSTOM LL
N
E D CA CUT I THE
ON THE MC -NOT A Q W 3 J
END CAP CUT IN THE FIELD ARE NOT 1 N
RECOMMENDED FOR PIPE SIZES I li K Q
GREATER THAN 10" (250 mm). THE U EL w a
INVERT LOCATION IN COLUMN'S' N C W
ARE THE HIGHEST POSSIBLE FOR H:J U
THE PIPE SIZE. Q W = Q
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6 MC -SERIES END CAP INSERTION DETAIL 12 MC-7200 TECHNICAL SPECIFICATIONS W W
z
Leo
ACCEPTABLE FILL MATERIALS: STORMTECH MC-7200 CHAMBER SYSTEMS WFn Wp'O
xWa
NOTE: MANIFOLD STUB MUST BE LAID HORIZONTAL
FOR A PROPER FIT IN END CAP OPENING.
MANIFOLD HEADER
MANIFOLD STUB
PART #
STUB
B
C
MC72001EPP06T
6-(150
42.54'(1081 -)
-
-MC72001EP
0,86'422 -)
MC72001EPP08
g(200 mm)
- (1029
-
1.01' (26 mm)
MC72001EPP088
MC72001EPPIOT
10' (250 mm)
38.37' (975 mm)
-
-
1.33' (34 mm)
MC72001EPP10B
MC72001EPP12T
12' (300 mm)
35.69' (907 mm)
-
-
1.55' (39 mm)
MC72001EPP728
MC72001EPP15T
15' (375 mm)
32.72' (831 mm)
-
-
1.70-(43 mml
MC72001EPP756
MC72001EPP787
29.36`(746 mm)
-
MC72001EPP78TW
18"(450 mm)
MC72001EPP788
-
1.97' (50 mm)
MC72001EPPI88W
MC72001EPP24T
23.05' S85 mm ( 1
-
MC72001EPP24TW
24'(B00 mm)
MC72001EPP248
-
226' (57 mm)
MC72001EPP2/BW
MC72001EPP306W
30'(750 mm)
-
2.95`(75 mm)
MC72001EPP36OW
36" (900 mm)
-
3,25` (83 mm)
MC7200IEPP426W
42y7050 mm)
3.55' (90 mm)
AASHTO MATERIAL
MATERIAL LOCATION
DESCRIPTION
COMPACTION / DENSITY REQUIREMENT
CLASSIFICATIONS
FINAL FILL: FILL MATERIAL FOR LAYER D' STARTS FROM THE
PREPARE PER SITE DESIGN ENGINEER'S PLANS. PAVED
D
TOP OF THE'C' LAVER TO THE BOTTOM OF FLEXIBLE
ANY SOILIROCK MATERIALS, NATIVE SOILS, OR PER ENGINEER'S PLANS.
NIA
INSTALLATIONS MAY HAVE STRINGENT MATERIAL AND
PAVEMENT OR UNPAVED FINISHED GRADE ABOVE. NOTE THAT
CHECK PLANS FOR PAVEMENT SUBGRADE REQUIREMENTS.
PREPARATION REQUIREMENTS.
PAVEMENT SUBBASE MAY BE PART OF THE D' LAYER
AASHTO M145'
INITIAL FILL: FILL MATERIAL FOR LAYER'C STARTS FROM THE
GRANULAR WELL -GRADED SOILIAGGREGATE MIXTURES, -35% FINES OR
A-1, A-2-4, A-3
BEGIN COMPACTIONS AFTER 24" (600 mm) OF MATERIAL OVER
TOP OF THE EMBEDMENT STONE ('B' LAVER) TO 24'(600 mm)
PROCESSED AGGREGATE.
THE CHAMBERS IS REACHED. COMPACT ADDITIONAL LAYERS IN
C
HE
THE CHAMBER NOTE THAT PAVEMENT
ABOVE THE TOP OF THE CHA
OR
l2' (300 mm) MAX LIFTS TO A MIN. 95% PROCTOR DENSITY FOR
SUBBASE MAY BE A THE RG' LAYER
MOST PAVEMENT SUBBASE MATERIALS CAN BE USED IN LIEU OF THIS
LAVER,
AASHTO M43'
WELL GRADED MATERIAL AND 95% RELATIVE DENSITY FOR
PROCESSED AGGREGATE MATERIALS,
3, 357, 4, 467, 5, 56, 57, 6, 67, 68, 7, 78, 8, 89, 9. 10
EMBEDMENT STONE: FILL SURROUNDING THE CHAMBERS
AASHTO M43'
8
FROM THE FOUNDATION STONE ('A' LAVER) TO THE C.LAVER
CLEAN. CRUSHED, ANGULAR STONE OR RECYCLED CONCRETE'
NO COMPACTION REQUIRED.
ABOVE.
3. 357.4.A67, 5, 56, 57
A
FOUNDATION STONE: FILL BELOW CHAMBERS FROM THE
CLEAN. CRUSHED, ANGULAR STONE OR RECYCLED CONCRETE°
AASHTO M43'
PLATE COMPACTOR ROLL TO ACHIEVE A FLAT SURFACE."
SUBGRADE UP TO THE FOOT (BOTTOM) OF THE CHAMBER.
3, 357, 4, 467, 5, 56, 57
r
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W W W
Z W =
OZ�
W 0
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W .
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QW W Z
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PLEASE NOTE:
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1. THE LISTED AASHTO DESIGNATIONS ARE FOR GRADATIONS ONLY. THE STONE MUST ALSO BE CLEAN, CRUSHED. ANGULAR. FOR EXAMPLE, A SPECIFICATION FOR A'4 STONE WOULD STATE "CLEAN, CRUSHED, ANGULAR NO.4 (AASHTO M43) STONE".
W
O In 5
2. STORMTECH COMPACTION REQUIREMENTS ARE MET FORA' LOCATION MATERIALS WHEN PLACED AND COMPACTED IN 91 (230 mm) (MAX) LIFTS USING TWO FULL COVERAGES WITH A VIBRATORY COMPACTOR.
•O
3. WHERE INFILTRATION SURFACES MAY BE COMPROMISED BY COMPACTION FOR STANDARD DESIGN LOAD CONDITIONS A FLAT SURFACE MAY BE ACHIEVED BY RAKING OR DRAGGING WITHOUT COMPACTION EQUIPMENT. FOR SPECIAL LOAD DESIGNS. CONTACT STORMTECH FOR
�
N W0
Z
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COMPACTION REQUIREMENTS.
= p
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/. ONCE LAVER'C IS PLACED, ANV SOILIMATERIAL CAN BE PLACED IN LAYER'D' UP TO THE FINISHED GRADE. MOST PAVEMENT SUBBASE SOILS CAN SE USED TO REPLACE THE MATERIAL REQUIREMENTS OF LAYER'C' OR'D' AT THE SITE DESIGN ENGINEER'S DISCRETION.
"RECYCLED
Q W Q
5. WHERE RECYCLED CONCRETE AGGREGATE IS USED IN LAYERS'N OR'B' THE MATERIAL SHOULD ALSO MEET THE ACCEPTABILITY CRITERIA OUTLINED IN TECHNICAL NOTE 6.20 CONCRETE STRUCTURAL BACKFILL'.
d E
Z Z O
H
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ADS GEOSYNTHETICS60ITNON-WOVEN GEOTEXTILE ALL AROUND
CLEAN, CRUSHED, ANGULAR STONE IN A 8 B LAVERS PAVEMENT LAYER (DESIGNED
$
1.E R,.
W Q W
BY SITE DESIGN ENGINEER)
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W
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iiU
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PERIMETER STONE
D 7.a
Isw,r occu 24' (21m)
C
W o j
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(SEE NOTE 4)
r
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(600 mm) MIN* MAX
12"(300)MIN
mm
Z
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p(n<
"THIS
J N
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EXCAVATION WALL
,!
80- CROSS SECTION DETAIL REPRESENTS
m
Q � m
m
(CAN BE SLOPED OR VERTICAL) _
(1524 mm) MINIMUM REQUIREMENTS FOR INSTALLATION,
PLEASE SEE THE LAYOUT SHEET(S) FOR
Z
F Q
J U U
II
PROJECT SPECIFIC REQUIREMENTS.
Q =
H IL_
O
ox<
LU
W.
-
I`-i.'=; dill II Ic-III-L II -I- i-I i 1-L-1 I
- - -
II -Id J-df7d '..
III' III_
DEPTH OF STONE TO BE DETERMINED
BY SITE DESIGN ENGINEER 9' (230 mm) MIN
= Iq
I-
Q f U
12" (300 mm) MINGILL�JI
MC-7200 SOILS (230 mm) MIN
100' (2540 mm7
12" (300 mm) MIN
i'- Q
W Ix WSUBGRADE
O W
END CAP (SEE NOTE 3)
J
a w X
NOTES:
1. CHAMBERS SHALL MEET THE REQUIREMENTS OF ASTM F2418, -STANDARD SPECIFICATION FOR POLYPROPYLENE (PP) CORRUGATED WALL STORMWATER COLLECTION CHAMBERS" CHAMBER CLASSIFICATION 60:101
2. MC-7200 CHAMBERS SHALL BE DESIGNED IN ACCORDANCE WITH ASTM F2787 *STANDARD PRACTICE FOR STRUCTURAL DESIGN OF THERMOPLASTIC CORRUGATED WALL STORMWATER COLLECTION CHAMBERS'.
3. THE SITE DESIGN ENGINEER IS RESPONSIBLE FOR ASSESSING THE BEARING RESISTANCE (ALLOWABLE BEARING CAPACITY) OF THE SUBGRADE SOILS AND THE DEPTH OF FOUNDATION STONE WITH CONSIDERATION
FOR THE RANGE OF EXPECTED SOIL MOISTURE CONDITIONS.
4. PERIMETER STONE MUST BE EXTENDED HORIZONTALLY TO THE EXCAVATION WALL FOR BOTH VERTICAL AND SLOPED EXCAVATION WALLS.
5. REQUIREMENTS FOR HANDLING AND INSTALLATION:
• TO MAINTAIN THE WIDTH OF CHAMBERS DURING SHIPPING AND HANDLING CHAMBERS SHALL HAVE INTEGRAL INTERLOCKING STACKING LUGS.
• TO ENSURE A SECURE JOINT DURING INSTALLATION AND BACKFILL. THE HEIGHT OF THE CHAMBER JOINT SHALL NOT BE LESS THAN 3'.
• TO ENSURE THE INTEGRITY OF THE ARCH SHAPE DURING INSTALLATION, a) THE ARCH STIFFNESS CONSTANT AS DEFINED IN SECTION 6.2.8 OF ASTM F2418 SHALL BE GREATER THAN OR EQUAL TO 500 LBSIFTI%.
AND b) TO RESIST CHAMBER DEFORMATION DURING INSTALLATION AT ELEVATED TEMPERATURES (ABOVE 73- F! 23- C), CHAMBERS SHALL BE PRODUCED FROM REFLECTIVE GOLD OR YELLOW COLORS.
1
MC-7200 CROSS SECTION DETAIL
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SHEET
<WZ
ADS STORMTECH MC-7200 STORMWATER DRAINAGE DETENTION FACILITY NOTES & DETAILS
NOT TO SCALE
0
0
Know what's below.
Call before you dig.
NYLOPLAST DRAIN BASIN
NTS
INTEGRATED DUCTILE IRON
FRAME & GRATE/SOLID TO
MATCH BASIN O.D.
12" (610 mm) MIN
(FOR AASHTO H-20)
INVERT ACCORDING TO
PLANS/TAKE OFF
VARIOUS TYPES OF INLET AND
OUTLET ADAPTERS AVAILABLE:
4-30" (100-750 mm) FOR
CORRUGATED HDPE
WATERTIGHT JOINT
(CORRUGATED HDPE SHOWN)
NOTES
18" (457 mm)
MIN WIDTH
AASHTO H-20 CONCRETE SLAB
_ 8" (203 mm) MIN THICKNESS
TRAFFIC LOADS: CONCRETE DIMENSIONS
ARE FOR GUIDELINE PUPOSES ONLY.
ACTUAL CONCRETE SLAB MUST BE
DESIGNED GIVING CONSIDERATION FOR
LOCAL SOIL CONDITIONS, TRAFFIC LOADING
& OTHER APPLICABLE DESIGN FACTORS
ADAPTER ANGLES VARIABLE 00- 360'
ACCORDING TO PLANS
_ VARIABLE SUMP DEPTH
ACCORDING TO PLANS
[6" (152 mm) MIN ON 8-24" (200-600 mm),
10" (254 mm) MIN ON 30" (750 mm)]
_ 4" (102 mm) MIN ON 8-24" (200-600 mm)
6" (152 mm) MIN ON 30" (750 mm)
BACKFILL MATERIAL BELOW AND TO SIDES
OF STRUCTURE SHALL BE ASTM D2321
CLASS I OR II CRUSHED STONE OR GRAVEL
AND BE PLACED UNIFORMLY IN 12" (305 mm)
LIFTS AND COMPACTED TO MIN OF 90%
1. 8-30" (200-750 mm) GRATES/SOLID COVERS SHALL BE DUCTILE IRON PER ASTM A536
GRADE 70-50-05
2. 12-30" (300-750 mm) FRAMES SHALL BE DUCTILE IRON PER ASTM A536 GRADE 70-50-05
3. DRAIN BASIN TO BE CUSTOM MANUFACTURED ACCORDING TO PLAN DETAILS
4. DRAINAGE CONNECTION STUB JOINT TIGHTNESS SHALL CONFORM TO ASTM D3212
FOR CORRUGATED HDPE (ADS & HANCOR DUAL WALL) & SDR 35 PVC
5. FOR COMPLETE DESIGN AND PRODUCT INFORMATION: WWW.NYLOPLAST-US.COM
6. TO ORDER CALL: 800-821-6710
A
PART #
GRATE/SOLID COVER OPTIONS
8
PEDESTRIAN LIGHT
STANDARD LIGHT
(200 mm)
2808AG
DUTY
DUTY
SOLID LIGHT DUTY
101,
PEDESTRIAN LIGHT
STANDARD LIGHT
(250 mm)
2810AG
DUTY
DUTY
SOLID LIGHT DUTY
12
PEDESTRIAN
STANDARD AASHTO
SOLID
(300 mm)
2812AG
AASHTO H-10
H-20
AASHTO H-20
15"
PEDESTRIAN
STANDARD AASHTO
SOLID
(375 mm)
2815AG
AASHTO H-10
H-20
AASHTO H-20
18
PEDESTRIAN
STANDARD AASHTO
SOLID
450 mm
2818AG
AASHTO H 10
H-20
AASHTO H-20
24"
PEDESTRIAN
STANDARD AASHTO
SOLID
(600 mm)
2824AG
AASHTO H-10
H-20
AASHTO H-20
30"
2830AG
PEDESTRIAN
STANDARD AASHTO
SOLID
(750 mm)
AASHTO H-20
H-20
AASHTO H-20
NYLOPLAT DRAIN BASIN
NOT TO SCALE
R=430705
TACOMA • SEATTLE • SPOKANE • TRI-CITIES
2215 North 30th Street, Suite 300 Tacoma, WA 98403
253.383.2422 TEL 253.383.2572 FV mm.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
7/9/2024
NOTICE
ALTERATION OF THIS DWAIENT SHALL INVMDATE THE
PROFESSIONAL SEAL AND SIGNATURE PUROTI N OF
THIS DON" DOES NOT DEROGATE FROM RESERVED
OMM W RKNTS N IT. THIS DOO.NW IS FOR USE
ONLY FOR THE PROIiCT DENTIRED N THE TIU BLOCK
AND IS NOT TO BE USED FOR REPAIR, REMODEL OR
AWITION TO THAT PROM OR MR ANY OTHER PROJ7.
A
Revisions:
Sheet Title:
STORMWATER
DRAINAGE DETAILS
Designed by: Drawn by: Checked by:
JAD JAD DCN
Sheet No.
C4
05 of 05 Sheets