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SEE NOTE 4,
LIMIT OF PIPE ZONE
PIPE ZONE BEDDING AND T
BACKFILL, SEE NOTE 5 T SEE STANDARD PLANS 110.1, 110.2, AND 111 FOR PAVEMENT
6" RESTORATION REQUIREMENTS
NTS
SURFACE RESTORATION AS
SPECIFIED IN CONTRACT DOCUMENTS
12" MIN. EXISTING PAVEMENT SURFACE
O.D.
FOUNDATION �i ///\ '
LEVEL
6" \
i\
\ 6" MIN. ,SEE NOTE 4
FOUNDATION MATERIAL,
IF REQUIRED, SEE NOTE 6� \/ O
NEAT LINE TRENCH O� 0� \ "CRUSHED SURFACING TOP COURSE" PER
FLEXIBLE PIPE � WSDOT STD. SPEC S-03.9(3),COMPACTED
/ TO 95% OF MAXIMUM DENSITY
j 1 \
GRAVEL BACKFILL FOR PIPE ZONE BEDDING (WSDOT 9-03.12(3)) \ cz O
OR MAINTENANCE ROCK (WSDOT 9-03.9(4)) / "CRUSHED SURFACING TOP COURSE" PER
\ WSDOT STD. SPEC 9-03.9(3), "BANK RUN
FLEXIBLE PIPE NOTES: \ GRAVEL FOR TRENCH BACKFILL" PER
p p WSDOT STD. SPEC 9-03.19, OR "GRAVEL
/ 1. PROVIDE UNIFORM SUPPORT UNDER BARRELS. BORROW" PER WSDOT STD. SPEC 9-03.14(1),
COMPACTED TO 95% OF MAXIMUM DENSITY
2. HAND TAMP UNDER HAUNCHES.
3. DIRECTLY OVER PIPE, HAND TAMP ONLY. \ /
4. SEE STANDARD WSDOT/APWA SPECIFICATIONS SECTION 2-09.4 FOR \
TRENCH WIDTH. BENCH AS NEEDED FOR \/\
SHORING SYSTEM WHEN
5. PIPE ZONE BEDDING AND BACKFILL MATERIAL SHALL BE PLACED IN 6" DEPTH IS 4' OR GREATER
LOOSE LAYERS AND COMPACTED TO 95% MAXIMUM DENSITY. \/
t �
6. EXCAVATE UNSTABLE MATERIAL DOWN TO FIRM SOIL AND REPLACE WITH PIPE I \
FOUNDATION MATERIAL CLASS A OR B PER STANDARD WSDOT/APWA
SPECIFICATIONS SECTION 9-03.17. PIPE ZONE BEDDING AND BACKFILL i
PER STD. PLANS 220.00 AND 220.10
PIPE TYPE
MINIMUM
COVER (FT)
PUBLIC?
PRIVATE?
ALLOWED IN ZONE 1
OF THE APA?
LINE CORRUGATED POLYETHYLENE PIPE (LCPE)
2.0
YES
YES
YES
CORRUGATED POLYETHYLENE PIPE (CPE) - TRIPLE WALL
2.0
YES
YES
YES
POLYVINYL CHLORIDE PIPE (PVC)
3.0
YES
YES
YES
SOLID WALL HIGH DENSITY POLYETHYLENE PIPE (HDPE)
2.0
YES
YES
YES
POLYPROPYLENE PIPE (PP) - DUAL WALL
2.0
YES
YES
YES
SEE NOTE 1 �I
t
UNPAVED AREAS I PAVED AREAS
I
NOTES:
1. SEE WSDOT/APWA STANDARD SPECIFICATIONS SECTION 2-09.4 FOR
MINIMUM DISTANCE
MEASUREMENT OF TRENCH WIDTH.
DIAMETER
BETWEEN BARRELS
2. EXCAVATIONS OVER 4' DEEP SHALL COMPLY WITH THE SAFETY STANDARD
12" TO 24"
2"
DESCRIBED IN CHAPTER 295-155 PART N OF THE WAC.
30" TO 96"
DIAMETER / 3
3. MAXIMUM BACKFILL DEPTH ABOVE PIPE SHALL NOT BE EXCEEDED, AS
102" TO 180"
48"
DETERMINED BY PIPE MANUFACTURER.
4. IN PAVED AREAS, IF PIPE HAS LESS THAN 3' OF COVER, USE "CRUSHED
SURFACING TOP COURSE" FOR THE ENTIRE BACKFILL DEPTH ABOVE PIPE ZONE.
5. SEE CONSTRUCTION PLANS FOR SPECIFIC PROJECT REQUIREMENTS.
UNLESS OTHERWISE NOTED, DRAWING IS NOT TO SCALE (NTS) UNLESS OTHERWISE NOTED, DRAWING 15 NOT TO SCALE (NTS)
STD. PLAN - 220.10 STD. PLAN - 220.20
,} PUBLIC WORKS PIPE ZONE BEDDING AND §�edby o PUBLIC WORKS TYPICAL TRENCH AND BACKFILL PER
D 9/28/2018 1
DEPARTMENT COMPACTION - FLEXIBLE PIPE artin Pastucha 8/13/20 DEPARTMENT GAZ
Martin P,,N ha
6@8f4.*,,9Q8 D DATE VAINOFPublic Works Administrator DATE
PIPE TRENCH BEDDING AND BACKFILL DETAILS
NTS CITY OF RENTON
6814 Greenwood Ave N T (206) 522-9510
Seattle, WA 98103 WWW.PAcLAND.COM
A.
a1/27/2 2
0 34375
�o�,
�SSIONAL St
E
NO.
(1) OPEN PICKHOL
ILAI hAUE(iUIHIU
(2) 3/8.-16 SS SOCKET HEAD CAP
SCREW (ALLENHEAD) W/WSHRS
ON A 8" DIA BOLT CIRCLE
9" DIA -� 5/ "
4"
8-1/8" DIA
10-1/2" DIA
15" DIA
PLAN VIEW FRAME SECTION
CAST IRON FRAME AND PAVED AREA (TYP.)
COVER, SEE NOTE 3
12^ EXTEND ICLEANOUTRISER 2" ABOVE DESIGN SIGNPPONDING
ELEVATION OR PER PLAN -
4 a DESIGN PONDING
ELEVATION
8" CLASS "B"
ASPHALT, SEE NOTE 4
'xi =
\! 4" COMPACTED SAND OR
GRAVEL BACKFILL FOR DRAINS
PER WSDOT 9-03.12(4) O
CLEANOUT RISER, SEE NOTE 2
SOIL TIGHT 45' BEND
WYE
SOIL TIGHT
COUPLER
UNDERDRAIN, FOOTING
DRAIN COLLECTOR, OR
ROOF DRAIN COLLECTOR
PIPE, SEE NOTE 1
r� }�
TO OVERFLOW
STRUCTURE OR
STORM MAIN
8-13/16" DIA
5/8"
COVER SECTION
FERNCO GASKETED
QUIK CAP OR SIMILAR
4"STREAMBED COBBLES
PER WSDOT 9-03.11(2)
=1 11-V I i-i I
I=111EE111 1=
I_„III_-1111111 j11
CLEANOUT RISER, 1` =11
SEE NOTE 2
11 F6_L
ZE, ill El I I1_I I. Ell
IIIIIIIIIIIIII IIIII
-III-III-I
CLEANOUT RISER LOCATED WITHIN
BIORETENTION PONDING AREA
MECHANICAL PLUG OR
CONTINUED CONNECTION
TYPICAL CLEANOUT CONFIGURATION
6 r%-rcc.
1. DIAMETER TO BE 6-INCHES MINIMUM PRIVATE, 8-INCHES MINIMUM PUBLIC. UNDERDRAIN PIPE PER STD. PLAN 262.10.
2. CLEANOUT RISER SHALL BE SAME MATERIAL AS CONNECTED UNDERDRAIN, FOOTING DRAIN COLLECTOR, OR ROOF DRAIN COLLECTOR PIPE.
3. FRAME AND COVER SHALL BE EJ PRODUCTS 3675Z1 PT AND 3675APT OR APPROVED EQUAL. COVER TO BE LOCKING WITH ALLEN HEAD BOLT, MARKED "STORM" OR
"DRAIN".
4. FOR CLEANOUTS FULLY OR PARTIALLY WITHIN UNPAVED AREAS OUTSIDE OF BIORETENTION PONDING AREA, POUR 8" THICK, 2'x2' SQUARE CONCRETE COLLAR
AROUND FRAME. CONCRETE COLLAR SHALL HAVE A MINIMUM COMPRESSIVE STRENGTH OF 3,000 PSI.
GENERAL NOTES:
SW1/4OFS237T23N, R 5 E
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1-4
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1. CLEANOUTS FOR UNDERDRAIN, FOOTING DRAIN COLLECTOR, AND ROOF DRAIN COLLECTOR PIPES SHALL BE INSTALLED AT A MINIMUM OF EVERY 100 FEET, AT
EVERY 90 DEGREE OR SECOND 45 DEGREE BEND, AT THE END OF EVERY COLLECTOR PIPE, AND AT EACH END OF AN UNDERDRAIN PIPE NOT CONNECTED TO AN
OVERFLOW STRUCTURE. CLEANOUTS SHALL BE INSTALLED TO ALLOW FOR MAINTENANCE ACCESS TO ALL PIPES.
2. ALL FITTINGS SHALL BE SOIL TIGHT.
3. CLEANOUT RISER SHALL BE LOCATED OUTSIDE OF BIORETENTION PONDING WHERE POSSIBLE.
4. CLEANOUTS SHALL NOT BE LOCATED WITHIN THE STREET TRAVEL LANE, UNLESS OTHERWISE APPROVED BY THE CITY.
UNLESS OTHERWISE NOTED, DRAWING IS NOT TO SCALE (NTS)
Aoft STD. PLAN - 226.00
DR)
PUBLIC WORKS ®R08tAhed by:
DEPARTMENT STORM SYSTEM CLEANOUT 11,'=%t5W9WDartiin Pastucha 8/13/20
iftmipF ... DATE
PERMIT REVISIONS #1 PACLAND 1/27/2025 ZLN 8Wm
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REVISION BY DATE 1 APPR N�
STORM DRAIN CLEANOUT DETAILS
I m
DATUM
NTS
CITY OF
RENTON
Planning/Building/Public Works Dept.
CITY OF RENTON
R-432438
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
DEVELOPMENT ENGINEERING _
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NEW LIFE CHURCH 1/27/2025 W
15711 152N D AVE SE
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STORM DRAINAGE DETAILS C-6.0 w
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