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DocuSign Envelope ID: 3B1B34D3-7EOA-476C-ADB3-4329FFEOC108
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W DocuSign Envelope ID: 6EECF5B6-602A-4E4A-B436-A317AA638878
NOTES
1. Bolt -down capability is required on all frames, grates, and covers, unless
P4" specified otherwise in the Contract. Provide 2 holes in the frame that are PIPE SEE NOTE 4,
vertically aligned with the grate or cover slots. The frame shall accept the LIMIT OF PIPE ZONE
304 Stainless Steel S.S. 5/8" in - 11 NC x 2" in allen head cap screw BACKFILL,
BEDDING AND
( ) ( ) ( ) p BACKFILL, SEE NOTE 5
by being tapped, or other approved mechanism. Location of bolt -down I 6•
holes varies by manufacturer.
2. Refer to Standard Specification section 9-05.15, and 9-05.15 2 SEE STANDARD PLANS ME 110.1, 110.2, AND 111 FOR PAVEMENT
RESTORATION REQUIREMENTS O.D.
for additional requirements.
SURFACE RESTORATION AS
SPECIFIED IN CONTRACT DOCUMENTS I FOUNDATION
3. For frame details, see Standard Plan B-30.10. EXISTING PAVEMENT SURFACE LEVEL
6.
4
2MIN.-
4. The thickness of the grate shall not exceed 1 5/8" (in). 1
_________ - - -
SLOT -SEE DETAIL p FOUNDATION MATERIAL,
AND NOTE 1 RECESSED ALLEN \\ \ /\ /\ IF REQUIRED, SEE NOTE 6
HEAD CAP SCREW ^ 304 S.S. 5/8" (IN) - 11 0l✓ 6" MIN. ,SEE NOTE 4
0 NC x 2" (IN) FLEXIBLE PIPE
J NEAT LINE TRENCH i \
LLI Q - - - " r " - - - - "CRUSHED SURFACING TOP COURSE" PER
OO O O \ WSDOT STD. SPEC 9-03.9(3), COMPACTED
J O j GRATE TO 95 % OF MAXIMUM DENSITY ® GRAVEL BACKFILL FOR PIPE ZONE BEDDING (WSDOT 9-03.12(3))
1" (IN) OPENING OR MAINTENANCE ROCK (WSDOT 9-03.9(4))
wW (TYP.)
LL Q GRATE 1 1/4" \ FLEXIBLE PIPE NOTES:
m U) 1. PROVIDE UNIFORM SUPPORT UNDER BARRELS.
"CRUSHED SURFACING TOP COURSE" PER
WSDOT STD. SPEC 9-03.9(3), "BANK RUN 2. HAND TAMP UNDER HAUNCHES.
Q N a) \ O t� GRAVEL FOR TRENCH BACKFILL" PER
Of_ � I Y/ WSDOT STD. SPEC 9-03.19, OR "GRAVEL 3. DIRECTLY OVER PIPE, HAND TAMP ONLY.
j \ BORROW" PER WSDOT STD. SPEC 9-03.14(1),
j \ COMPACTED TO 95% OF MAXIMUM DENSITY 4. SEE STANDARD WSDOT/APWA SPECIFICATIONS SECTION 2-09.4 FOR
L1J FRAME
C O O TRENCH WIDTH.
C \ \ 5. PIPE ZONE BEDDING AND BACKFILL MATERIAL SHALL BE PLACED IN 6"
Q j /\ LOOSE LAYERS AND COMPACTED TO 95% MAXIMUM DENSITY.
Z
BENCH AS NEEDED FOR 6. EXCAVATE UNSTABLE MATERIAL DOWN TO FIRM SOIL AND REPLACE WITH
SLOT \\/\ SHORING SYSTEM WHEN FOUNDATION MATERIAL CLASS A OR B PER STANDARD WSDOT/APWA
LL
Q DEPTH IS 4' OR GREATER / SPECIFICATIONS SECTION 9-03.17.
Z PIPE \\\�
[i HOLE
ILL LJI MINIMUM ALLOWED IN ZONE 1
PER STD. PLANS-E£!}B9-ANB•220.10 PIPE TYPE COVER (F7) PUBLIC? PRIVATE? OF THE APA7
BOLT -DOWN DETAILS SEE DETAIL
SEE NOTE 1 LINE CORRUGATED POLYETHYLENE PIPE (LCPE) 2.0 YES YES YES
$ CORRUGATED POLYETHYLENE PIPE (CPE) - TRIPLE WALL 2.0 YES YES YES
D
,P C41 O POLYVINYL CHLORIDE PIPE (PVC) 3.0 YES YES YES ��IL SEE NOTE 1 SOLID WALL HIGH DENSITY POLYETHYLENE PIPE (HDPE) 2.0 YES YES YES
'WAsj�l,1, �� UNPAVED AREAS I PAVED AREAS POLYPROPYLENE PIPE (PP) -DUAL WALL 2.0 YES YES YES
^�
�® ,p alai9 O ��
TOP /� 01 S T ER \
n gS ®N �, ��G
NOTES:
1. SEE WSDOT/APWA STANDARD SPECIFICATIONS SECTION 2-09.4 FOR
MEASUREMENT OF TRENCH WIDTH.
DIAMETER
1z•ro2a"
30• TO 96"
102 TO 180
MINIMUM DISTANCE
BETWEEN BARRELS
1z"
DIAMETER 13
48"
2. EXCAVATIONS OVER 4' DEEP SHALL COMPLY WITH THE SAFETY STANDARD
Heilman, Julie DESCRIBED IN CHAPTER 295.155 PART N OF THE WAC.
u', Feb 20 2018 12:55 I'M 3. MAXIMUM BACKFILL DEPTH ABOVE PIPE SHALL NOT BE EXCEEDED, AS
D cosign DETERMINED BY PIPE MANUFACTURER.
RECTANGULAR 4. IN PAVED AREAS, IF PIPE HAS LESS THAN T OF COVER, USE "CRUSHED UNLESS OTHERWISE NOTED, DRAWING IS NOT TO SCALE (NTS)
HERRINGBONE GRATE SURFACING TOP COURSE" FOR THE ENTIRE BACKFILL DEPTH ABOVE PIPE ZONE. STD. PLAN - 220.10
STANDARD PLAN B-30■50-03 5. SEE CONSTRUCTION PLANS FOR SPECIFIC PROJECT REQUIREMENTS. .,p,�Ad=• PUBLIC WORKS PIPE ZONE BEDDING AND 4Di,�dby:
UNLESS OTHERWISE NOTED, DRAWING IS NOTTO SCALE (NTS) -4-* DEPARTMENT COMPACTION - FLEXIBLE PIPE artin Pastucha 8�13�zo o 18:
SHEET 1 OF 1 SHEET
STD. PLAN - 220.20
�8IiP3,fa98B4A9D_.. DATE
APPROVED FOR PUBLICATION c PUBLIC WORKS
feb2 201 Jeff
AM DEPARTMENT TYPICAL TRENCH AND BACKFILL PGAZ 9/28/2018 I :45 AN
ISOMETRIC STATE DESIGN ENGINEER DATE
Amk
w7A 0- Washington State Department of Transportation
NTS 6 NTS 7 NTS 8
WSDOT Herringbone Grate Typical Trench and Backfill Pipe Zone Bedding and Compaction
NEW UTILITY
z_
N
-I
EXPANDED POLYSTYRENE
FOAM PAD CUT TO
SUPPORT TOP PIPE
NEW UTILITY IN COMPLIANCE WITH CITY OF RENTON STANDARDS
DEVELOPMENT ENGINEERING
ETHAFOAM PAD SHALL BE OUTSIDE PIPE DIAMETER X OUTSIDE PIPE
DIAMETER X3 INCHES WHERE OUTSIDE DIAMETER REFERS TO THE HBray 06/13/2025
LARGER PIPE
NTS NTS
A. J Not Used 1 Not Used 11
�� F wA kCO SURVEYED: SCALE: DATE:
BID SET SE /14/2 �RnDA* NA 119/1 CITY OF RSD TRANSPORTATION EXPANSION 05/21/25
PERMIT COMMENTS SE /14/2 HORIZONTAL: NAD 1983/1991
DESIGNED:
ADDENDUM 1 AJ /17/2 SSE/REG � RENTON FlELDBOOK:
PAGE:
dr 3 ADDENDUM 2 AJ 5/1/25 DRAWN:
DJD/AJJ DRAWING N0:
ONE INCH DATUM
43667 PERMIT COMMENTS SE /21/2 AT FULL SCALE Planning/Building/Public Works De t
NTS �'�crsTEg�9 � 4 CHECKED:
JAJ IF NOT ONE INCH p STORM DRAINAGE DETAILS C4
Ethafoam Pad sI�NAL �� NO. REVISION BY DATE APPR APPROVED: SCALE ACCORDINGLY SHEET: OF,
10 OF 3
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