HomeMy WebLinkAboutR-427606DocuSign Envelope ID: 6EECF5B6-602A-4E4A-B436-A317AA638878
DocuSign Envelope ID: 3131B34D3-7EOA476C-ADB3-4329FFEOC108
DocuSign Envelope ID: 6EECF5B6-602A-4E4A-B436-A317AA638878
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1
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1
W
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5" MAX.
DRAINAGE GRATE TRIM
GRATE FRAME _
C- OVERFLOW BYPASS
a
BELOW INLET GRATE DEVICE
SEDIMENT AND DEBRIS
FILTERED
WATER
SECTION VIEW
DRAINAGE GRATE
(RECTANGULAR GRATE SHOWN) RETRIEVAL SYSTEM (TYP.)
OVERFLOW BYPASS (TYP.)
BELOW INLET GRATE DEVICE
ISOMETRIC VIEW
NOTES:
1. PROTECTION SHALL BE PROVIDED FOR ALL STORM DRAIN INLETS DOWNSLOPE AND WITHIN 500 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 SHALL BE USED TO PROTECT THE DRAINAGE SYSTEM.
3. THE CONTRIBUTING DRAINAGE AREA MUST NOT BE LARGER THAN ONE ACRE.
4. SIZE THE BELOW INLET GRATE DEVICE (BIGD) FOR THE STORMWATER STRUCTURE IT WILL SERVICE.
5. THE BIGD SHALL HAVE A BUILT-IN HIGH -FLOW RELIEF SYSTEM (OVERFLOW BYPASS).
6. THE RETRIEVAL SYSTEM MUST ALLOW REMOVAL OF THE BIGD WITHOUT SPILLING THE COLLECTED MATERIAL.
7. PERFORM MAINTENANCE IN ACCORDANCE WITH STANDARD SPECIFICATION 8-01.3(15).
8. ANY SEDIMENT IN THE CATCH BASIN INSERT SHALL BE REMOVED WHEN THE SEDIMENT HAS FILLED ONE-THIRD OF THE AVAILABLE
STORAGE. THE FILTER MEDIA FOR THE INSERT SHALL BE CLEANED OR REPLACED AT LEAST MONTHLY.
UNLESS OTHERWISE NOTED, DRAWING IS NOTTO SCALE (NTS)
STD. PLAN - 216.30
�• PUBLIC WORKS APPR ED:
'1` DEPARTMENT CATCH BASIN INSERT GAZ 9/28/2018 1
%tvPublic works Atlminis[raror DATE
DocuSign Envelope ID: 6EECF5B6-602A-4E4A-B436-A317AA638878
2"x2" 14 GAUGE WIRE, OR
EQUIVALENT, IF STANDARD
STRENGTH FABRIC USED
FILTER FABRIC
2' MIN.
--1-4--____------I�--� ri�'i f
L� V MAX.
PI - OST SPACING MAY BE INCREASED 4"x4" MIN. TRENCH I I 12" MI
TO V IF WIRE BACKING IS USED I
BACKFILL TRENCH WITH NATIVE SOIL
OR 3/4" TO 1-1/2WASHED GRAVEL
2"x4" WOOD POSTS, STEEL FENCE POSTS, OR EQUIVALENT (TYP.)
NOTES:
1. CONDITIONS OF USE
1.1. 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
2.1. THE GEOTEXTILE USED MUST MEET THE STANDARD LISTED BELLOW. A COPY OF THE MANUFACTURER'S FABRIC SPECIFICATIONS MUST BE AVAILABLE ON SITE.
ADS (ASTM D4751)
30-100 SIEVE SIZE (0.60-0.15mm) FOR SILT FILM
50-100 SIEVE SIZE (0.30-0.15mm) FOR OTHER FABRICS
WATER PERMITTIVITY (ASTM D4491)
0.02 SEC-' MINIMUM
GRAB TENSILE STRENGTH (ASTM D4632)
180 LBS. MIN. FOR EXTRA STRENGTH FABRIC
100 LBS. MIN. FOR STANDARD STRENGTH FABRIC
GRAB TENSILE ELONGATION (ASTM D4632)
30% MAX. (WOVEN)
ULTRAVIOLET RESISTANCE (ASTM D4355)
70% MIN.
2.2. STANDARD STRENGTH FABRIC REQUIRES WIRE BACKING TO INCREASE THE STRENGTH OF THE FENCE. WIRE BACKING OR CLOSER POST SPACING MAY BE REQUIRED
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 2HA V
2.4. IF A TYPICAL SILT FENCE IS USED, THE STANDARD 4"X4" TRENCH MAY BE REDUCED AS LONG AS THE BOTTOM 8 INCHES OF THE SILT FENCE FABRIC IS WELL BURIED AND
SECURE IN A TRENCH THAT STABILIZES THE FENCE AND DOES NOT ALLOW WATER TO BYPASS OR UNDERMINE THE SILT FENCE.
2.5. FILTER FABRIC FENCES SHALL BE INSTALLED ALONG CONTOURS WHENEVER POSSIBLE.
3. MAINTENANCE STANDARDS
3.1. ANY DAMAGE SHALL BE REPAIRED IMMEDIATELY.
3.2. IF CONCENTRATED FLOWS ARE EVIDENT UPHILL OF THE FENCE, THEY MUST BE INTERCEPTED AND CONVEYED TO A SEDIMENT TRAP OR POND.
3.3. IT IS IMPORTANT TO CHECK THE UPHILL SIDE OF THE FENCE FOR SIGNS OF THE FENCE CLOGGING AND ACTING AS A BARRIER TO FLOW AND THEN CAUSING
CHANNELIZATION OF FLOWS PARALLEL TO THE FENCE. IF THIS OCCURS, REPLACE THE FENCE OR REMOVE THE TRAPPED SEDIMENT.
3.4. SEDIMENT MUST BE REMOVED WHEN SEDIMENT IS 6 INCHES HIGH.
3.5. IF THE FILTER FABRIC (GEOTEXTILE) HAS DETERIORATED DUE TO ULTRAVIOLET BREAKDOWN, IT SHALL BE REPLACED.
UNLESS OTHERWISE NOTED, DRAWING IS NOTTO SCALE (NTS)
STD. PLAN - 214.00
PUBLIC WORKS SILT FENCE Ec
9/28/2018 1
DEPARTMENT AZ
P"bi�cw"rks Aammi:namr DATE
THOSM IIIIIIIIt
C I V I L
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wEngineering Entitlement Project Management
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o ethoscivil.cam info@ethoscivil.com 253.414.1989
a
:45 X
:45 AN
SEE NOTE 4,
LIMIT OF PIPE ZONE
PIPE ZONE BF-1-A-
BACKFILL, SE
FOUND
LEVEL
FOUNDATION MATERIAL,
IF REQUIRED, SEE NOTE 6
FLEXIBLE PIPE
®GRAVEL BACKFILL FOR PIPE ZONE BEDDING (WSDOT 9-03.12(3))
OR MAINTENANCE ROCK (WSDOT 9-03.9(4))
FLEXIBLE PIPE NOTES:
1. PROVIDE UNIFORM SUPPORT UNDER BARRELS.
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.
5. PIPE ZONE BEDDING AND BACKFILL MATERIAL SHALL BE PLACED IN 6"
LOOSE LAYERS AND COMPACTED TO 95% MAXIMUM DENSITY.
6. EXCAVATE UNSTABLE MATERIAL DOWN TO FIRM SOIL AND REPLACE WITH
FOUNDATION MATERIAL CLASS A OR B PER STANDARD WSDOT/APWA
SPECIFICATIONS SECTION 9-03.17.
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 (HOPE)
2.0
YES
YES
YES
POLYPROPYLENE PIPE (PP) - DUAL WALL
2.0
YES
YES
YES
MINIMUM DISTANCE
DIAMETER
BETWEEN BARRELS
12" TO 24"
12"
30"TO 96"
DIAMETER/3
102" TO 180"
48"
UNLESS OTHERWISE NOTED, DRAWING IS NOTTO SCALE (NTS)
11
STD. PLAN - 220.10
�•®• PUBLIC WORKS PIPE ZONE BEDDING AND JBOdby:
91� DEPARTMENT COMPACTION - FLEXIBLE PIPE Aartin Pastucha 8/13/20 1
na DATE
�®8 A3�,kF.m98HA#B D...
03/11 /2024
NO.
REVISION
1 8:
SURFACE RESTORATION AS
SPECIFIED IN CONTRACT DOCUMENTS
Ii
SEE STANDARD PLANS 110, 110.1, 110.2, AND 111 FOR PAVEMENT
RESTORATION REQUIREMENTS
- 12" MIN. -- EXISTING PAVEMENT SURFACE
6" MIN., SEE NOTE 4
NEAT LINE TRENCH
O
o
i
O /
0
"CRUSHED SURFACING TOP COURSE" PER
WSDOT STD. SPEC 9-03.9(3), COMPACTED
TO 95% OF MAXIMUM DENSITY
\
"CRUSHED SURFACING TOP COURSE" PER
WSDOT STD. SPEC 9-03.9(3), "BANK RUN
\/
GRAVEL FOR TRENCH BACKFILL" PER
O
O
WSDOT STD. SPEC 9-03.19, OR "GRAVEL
j
\
BORROW" PER WSDOT STD. SPEC 9-03.14(1),
COMPACTED TO 95% OF MAXIMUM DENSITY
BENCH AS NEEDED FOR
SHORING SYSTEM WHEN
\\/\
DEPTH IS 4' OR GREATER
PIPE
PIPE ZONE BEDDING AND BACKFILL
PER STD. PLANS 220.00 AND 220.10
SEE NOTE 1
UNPAVED AREAS I PAVED AREAS
I
NOTES:
1. SEE WSDOT/APWA STANDARD SPECIFICATIONS SECTION 2-09.4 FOR
MEASUREMENT OF TRENCH WIDTH.
2. EXCAVATIONS OVER W DEEP SHALL COMPLY WITH THE SAFETY STANDARD
DESCRIBED IN CHAPTER 295-155 PART N OF THE WAG.
3. MAXIMUM BACKFILL DEPTH ABOVE PIPE SHALL NOT BE EXCEEDED, AS
DETERMINED BY PIPE MANUFACTURER.
4. IN PAVED AREAS, IF PIPE HAS LESS THAN T 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 NOTTO SCALE (NTS)
STD. PLAN - 220.20
PUBLIC WORKS TYPICAL TRENCH AND BACKFILL [IIIUVID:
DEPARTMENT GAZ 9/28/2018 1
Public Works Atlminis[raror DATE
SURVEYED:
ENCOMPASS
DESIGNED:
AE
DRAWN:
AE/NB
CHECKED:
AE
BY
DATErAPPR
APPROVED:
AE
SCALE.
NTS
ONE INCH
AT FULL SCALE
IF NOT ONE INCH
SCALE ACCORDINGLY
VERTICAL: NAVD 1988
HORIZONTAL: NAD 1983/1991
DAT U V
:45 An
SPECIAL NOTE
IN THE EVENT TRANSVERSE PATCHES EXIST
WITHIN THE AFFECTED STREET, THE LENGTH
OF THE PATCH SHALL BE EXTENDED TO
INCLUDE ANY EXISTING PATCH WITHIN 10
FEET OF THE EDGE OF THE PATCH REQUIRED
FOR THE NEW CROSSING AND ANY
SUBSEQUENT PATCH EDGE WITHIN 10 FEET
OF THE EDGE OF THE SECOND PATCH AND
SO ON UP TO A TOTAL OF 300 FEET.
TRAFFIC FLOW
II II #
2" HMA I _tF V
1
2"TOB"HMA
rl�
FACE OF GUTTER OR
EDGE OF PAVEMENT
CENTER LINE OR
LANE LINE
T
6.5' MIN.
2" DEPTH OF
PLANING OR SAWCUT AND REMOVE
VARIES: 6.5' MIN.
1' 1' 1' 1' DEPTH OF EXISTING PAVEMENT
MIN I MIN VARIES MIN MIN
2" SAWCUT AND REMOVE `\\\
OR PLANE, SEAL WITH - - `- 2" - 6" MIN. HMA SEE NOTE 2
AR-4000W I ( )
(EACH SIDE)
\6" CRUSHED SURFACING TOP COURSE (CSTC)
2" HMA (9-03.9(3)) PER WSDOT STANDARD
SPECIFICATIONS, COMPACTED TO 95% MODIFIED
PROCTOR.
SAWCUT AFTER BACKFILL
(EACH SIDE)
\_-CSTC, BANK RUN GRAVEL FOR TRENCH BACKFILL
(9-03.19), GRAVEL BORROW (9-03.14(1)) PER
WSDOT STANDARD SPECIFICATIONS OR NATIVE
MATERIAL IF APPROVED IN WRITING BY ENGINEER
BASED ON GEOTECH REPORT, COMPACTED TO 95%
MODIFIED PROCTOR.
WIDTH OF TRENCH AS REQUIRED BY SIZE OF PROPOSED
IMPROVEMENT (SEE WSDOT STANDARD SPECIFICATION 2-09.4)
PLUS AN ALLOWANCE FOR ANY SHORING. SHORING, IF PIPE ZONE BEDDING, MATERIAL- SEE STANDARD
NEEDED, SHALL MEET THE REQUIREMENTS OF WSDOT PLAN 110.1.
STANDARD SPECIFICATION 7-08.3(1)B
TRENCH WIDTH
FOR NOTES, SEE STANDARD PLAN 110.1
TYPICAL TRANSVERSE PATCH FOR MD' PLAN - 110
PUBLIC WORKS FLEXIBLE PAVEMENT OR RIGID PPR 'E,D
DEPARTMENT PAVEMENT WITH OVERLAY 1I
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Know what's below.
Call before you dig.
CITY OF
' RENTON
Planning/Building/Public Works Dept.
R-427606
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
AGUILAR RENTON SFR
OFFSITE IMPROVEMENTS
STANDARD DETAILS
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