HomeMy WebLinkAboutR-408544DocuSign Envelope ID: 6EECF5B6-602A-4E4A-B436-A317AA638878
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ADDITIONAL LADDER RUNGS (IN SETS) TO
2' MIN. CLEARANCE TO
y, �
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ALLOW ACCESS TO TANKS OR VAULTS
ANY PORTION OF FLOW RESTRICTOR
\` \
WHEN CATCH IS FILLED WITH WATER
TEE INCLUDING ELBOWS
REMOVABLE WATERTIGHT
COUPLING OR FLANGE 2'MIN. A
I
ELBOW RESTRICTOR,
\ II
�-�
SEE DETAIL AND NOTE 10
1
ANGLE AS /
NEECESSCESSARY, /
\
SEE NOTE 7
6' MIN.
2- MIN, �--
6' MAX.
PLATE WELDED TO ELBOW WITH PLAN VIEW
ORIFICE AS SPECIFIED, SEE NOTE 3
ELBOW RESTRICTOR DETAIL
ELEVATION PER PLANS
12" MIN. UNDER FRAME 6 SOLID COVER MARKED "DRAIN"
PAVEMENT WITH LOCKING BOLTS PER STD. PLAN 204.50
- , A
16" MAX.
VERTICAL BAR GRATE FOR
SECONDARY INLET
6' MIN
DESIGN WATER
ELBOW RESTRICTOR. SURFACE
SEE DETAIL AND NOTE 10 HANDHOLDS, STEPS. OR LADDER
PIPE SUPPORTS, SEE NOTE 6 r 12" (TYPJ
1.5 R D -{I- SEE NOTE 9 (TYR)
MIN. 2' MIN.
T
ISOMETRIC IL
OUTLET PIPE, SEE INLET PIPE
NOTES 1 8 5 2'
INVERT AND G MIN. SHEAR GATE WITH CONTROL ROD FOR
ELEVATION PER PLANS CLEANOUTlORAIN (ROD BENT AS REQUIRED
FOR VERTICAL ALIGNMENT WITH COVER)
12" SECTION OF PIPE ATTACHED BY PER STD. PLAN 237.30
GASKETED BAND TO ALLOW REMOVAL 2'
2' MIN.
WELDED RESTRICTOR PLATE WITH
ORIFICE DIA. AS SPECIFIED, SEE NOTE 10
NOTES: SECTION A
1. USE A MIMIMUM OF A 54' DIAMETER TYPE 2 CATCH BASIN,
2. OUTLET CAPACITY: 1DO-YEAR DEVELOPED PEAK FLOW.
3. METAL PARTS PREFERRED TO BE STAINLESS STEEL, ALUMINIZED STEEL, OR ALUMINUM. ALL OTHER STEEL PARTS MUST BE GALVANIZED WITH TREATMENTS 1, 2, OR 5.
4. FRAME AND LADDER OR STEPS OFFSET SO:
A. CLEANOUT GATE IS VISIBLE FROM TOP.
B. CLIMB -DOWN SPACE IS CLEAR OF RISER AND CLEANOUT GATE.
C. FRAME IS CLEAR OF CURB.
5. IF METAL OUTLET PIPE CONNECTS TO CEMENT CONCRETE PIPE: OUTLET PIPE TO HAVE SMOOTH O.D. EQUAL TO CONCRETE PIPE I.D. LESS 1/4".
6. PROVIDE AT LEAST ONE 3" X .090 GAGE SUPPORT BRACKET ANCHORED TO CONCRETE WALL. (MAXIMUM 3'-0' VERTICAL SPACING).
7. LOCATE ELBOW RESTRICTOR(S) AS NECESSARY TO PROVIDE MINIMUM CLEARANCE AS SHOWN.
8. LOCATE ADDITIONAL LADDER RUNGS IN STRUCTURES USED AS ACCESS TO TANKS AND VAULTS TO ALLOW ACCESS WHEN CATCH BASIN IS FILLED WITH WATER.
9. WHEN CONNECTING TO A NEW PIPE, USE A FLEXIBLE CONNECTOR (KOR-N-SEAL BOOT WITH CORRUGATED PIPE ADAPTER OR APPROVED EQUAL). 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, THEN ELBOW RESTRICTORS AND RESTRICTOR PLATES WITH ORIFICES ARE NOT REQUIRED.
UNLESS OTHERWISE NOTED, DRAWING 15 NOT TO SCALE (NTS)
STD. PLAN - 237.00
v�• PUBLIC WORI<S FLOW CONTROL STRUCTURE - APPRo EO:
'�„ DEPARTMENT RESTRICTOR TEE G/�►►Z 9/28/2018 I
work,ae GATE
FLOW CONTROL STRUCTURE - RESTRICTOR TEE
C5.5 NTS
DocuSign Envelope ID: 6EECF5B6-602A-4E4A-8436-A317AA638878
UNDISTURBED
NATIVE VEGETATION
UNDISTURBED NATIVE SOIL
3"4' ARBORIST WOOD CHIP MULCH,
SEE STD. PLAN 262.60
PLANTING BEDS/UNDISTURBED UNDISTURBED TURF (LAWN)AREAS,
VEGETATION, SEE NOTE 1 SEE NOTE 1 J
GRASS: SEED OR SOD
D•
UNDISTURBED NATIVE SOIL
OPTION 1 - NO DISTURBANCE
PLANTING BEDS
TURF (LAWN) AREAS
GRASS: SEED OR SOD
3' OF COMPOST INCORPORATED
- -
- - �i�i --
1.75' OF COMPOST INCORPORATED INTO
INTO 5' OF SITE SOIL (TOTAL
- I I I
( -III I I ( I
6.25" OF SITE SOIL (TOTAL AMENDED DEPTH
AMENDED DEPTH OF 9.5', FOR A
OF 9.5', FOR A SETTLED DEPTH OF 8')
SETTLED DEPTH OF 6")
I I I I I I I
6•
I I I 11- I rl I I I I I I
TT ' I
/\�
SUBSOIL SCARIFIED BELOW
SUBSOIL SCARIFIED 4'BELOW
\\/
/\�
-1�. _ -
COMPOST AMENDED ER
COMPOST AMENDED LAYER
(12- BELOW SOIL SURFACE)
(12' BELOW SOIL SURFACE)
OPTIONS
2, 3, AND 4 - AMEND
IN
PLACE OR STOCKPILE
AND
AMEND
PLANTING BEDS TURF (LAWN) AREAS
3
WOOD CHIP
///////////
/
GRASS: SEED OR SOD
MULCH, SEE STD.
/ l`/ /
0"
PLAN 262.60
NOTES:
1. AREAS OF NO DISTURBANCE TO BE FENCED
AND EXISTING VEGETATION AND SOIL TO BE
_
PROTECTED FROM CONSTRUCTION IMPACTS.
6'IMPORTED
I
6'IMPORTED
TOPSOIL MIX
- - l - I
I - -
TOPSOIL MIX
GENERAL NOTES:
(COMPACTED
(COMPACTED
DEPTH)
TT"-T' jT=
DEPTH)
g
--III" UU I f--' -
1. TO MEASURE SETTLED DEPTH, WATER SOIL
SUFFICIENTLY TO FULLY SATURATE WITHOUT
-
CAUSING EROSION
!,.
SUBSOIL IS 2. COMPOST TO MEET STD. PLAN 262.60.
SUBSOIL IS
/ , -,%�\\ /\\�
\��\ \\// \/ /
BELOW IMPORTED (WHERE
3. COMPACTION OF TOPSOILDPROCTOR.
SCARIFIED 6"
\;<, -T� \ \ \
\/
TOPSOIL MIX TO BE TO 85%OF STANDARD PROCTOR.
BELOW IMPORTED
TOPSOIL MIX
\\ `\\\ /\�
...
\ \\\� \/
4. SEE CONSTRUCTION PLANS FOR SPECIFIC
/�\\�\\�/\�/X
12'
/ \
I
PROJECT REQUIREMENTS.
OPTION
5 - IMPORTED
TOPSOIL
UNLESS OTHERWISE NOTED, DRAWING IS NOT TO SCALE (NTS)
STD. PLAN - 264.00
PUBLIC WORI<S
APPR D:
SOIL AMENDMENT SECTIONS
GAZ 9/28/2018 I
%,$1'%AF DEPARTMENT
VASOF•ort,aam,n-
DATE
SOIL AMENDMENT SECTION
:45 AN
:45 Ar
DocuSign Envelope ID: 6EECF5B6-602A-4E4A-B436-A317AA638878
(6) EVENLY SPACED HOLES ON 10 3/8" BOLT
CIRCLE FOR BOLTING TO FLANGE CONNECTION
O
SIDE
MAXIMUM OPENING OF GATE
HANDLE WITH LOCK PIN
ADJUSTABLE LOCK HOOK WITH LOCK SCREW
O
LIFT HANDLE SHALL BE ATTACHED PER
MANUFACTURER'S RECOMMENDATIONS
V ROD OR TUBING, VARIABLE LENGTH
NOTES:
1. SHEAR GATE SHALL BE ALUMINUM ALLOY PER ASTM B-26-ZG-32a OR CAST IRON ASTM A48 CLASS 30B AS REQUIRED.
2. GATE SHALL BE 8 INCH DIA. UNLESS OTHERWISE SPECIFIED.
3. GATE SHALL BE JOINED TO TEE SECTION BY BOLTING (THROUGH FLANGE), WELDING, OR OTHER SECURE MEANS.
4. LIFT ROD: AS SPECIFIED BY MFR. WITH HANDLE EXTENDING TO WITHIN ONE FOOT OF COVER AND ADJUSTABLE HOOK LOCK FASTENED TO FRAME OR UPPER
HANDHOLD.
5. GATE SHALL NOT OPEN BEYOND THE CLEAR OPENING BY LIMITED HINGE MOVEMENT, STOP TAB, OR SOME OTHER DEVICE.
6. NEOPRENE RUBBER GASKET REQUIRED BETWEEN RISER MOUNTING FLANGE AND GATE FLANGE.
T MATING SURFACES OF LID AND BODY TO BE MACHINED FOR PROPER FIT.
8. FLANGE MOUNTING BOLTS SHALL BE 318" DIA. STAINLESS STEEL,
9. ALTERNATE CLEANOUT/SHEAR GATES TO THE DESIGN SHOWN ARE ACCEPTABLE, PROVIDED THEY MEET THE MATERIAL SPECIFICATIONS ABOVE AND HAVE
A SIX BOLT, 10 318' BOLT CIRCLE FOR BOLTING TO THE FLANGE CONNECTION.
UNLESS OTHERWISE NOTED, DRAWING 15 NOT TO SCALE (NTS)
STD. PLAN - 237.30
• PUBLIC WORKS ORGAZ 9/
TEE SECTION SHEAR GATE 28/2018 I
DEPARTMENT
DATE
TEE SECTION SHEAR GATE
C5.5 NTS
DocuSign Envelope ID: 6EECF5B6-602A-4E4A-B436-A317AA638878
STANDARD TYPE 2, 60" DIA. CATO
BASIN (CB) CONCRETE TOP SLAB
LADDI
36" CMP RI;
PLAN
24-INCH BOLT LOCKING RING AND COVER. ADJUSTMENT
RINGS AS NECESSARY, PER STANDARD PLAN 204.50 -
CRUSHED SURFACING TOP COURSE PER
WSDOT STD. SPEC 9-03.9(3) COMPACTED
TO 95% MAX DENSITY (TYP.)
MANHOLE STEPS, I7 O.C.
WELD OR BOLT STANDARD MANHOLE STEPS J
LID (MARKED "DRAIN")
24" DIA. ECCENTRIC OPENING
MAINTAIN 1' GAP BETWEEN BOTTOM OF
SLAB AND TOP RISER. PROVIDE
PLIABLE GASKET
TO EXCLUDE DIRT
l
PLACE CEMENT MORTAR SEAL BETWEEN
TOP SLAB AND MANHOLE, SEE NOTE 6
RISER, 36' DIA. MIN., SAME MATERIAL AND
GAUGE AS TANK WELDED OR FUSED TO TANK
DETENTION TANK
NOTES:
1. USE ADJUSTING BLOCKS AS REQUIRED TO BRING FRAME TO GUIDE.
2. METAL PARTS PREFERRED TO BE STAINLESS STEEL, ALUMINIZED STEEL, OR ALUMINUM. ALL OTHER STEEL PARTS
MUST BE GALVANIZED WITH TREATMENTS 1, 2, OR 5.
3. MUST BE LOCATED FOR ACCESS BY MAINTENANCE VEHICLES.
4. MAY SUBSTITUTE WSDOT SPECIAL TYPE IV MANHOLE (RCP ONLY).
5. TOP SLAB SHALL BERATED FOR HS-20 LOADING.
6. ALL GRADE RINGS AND CASTINGS SHALL BESET IN MORTAR IN ACCORDANCE WITH STANDARD SPECIFICATION 9-04.3.
UNLESS OTHERWISE NOTED, DRAWING IS NOT70 SCALE (NTS)
STD. PLAN - 235.10
v PUBLIC WORKS 1le.D.
DEPARTMENT DETENTION TANK ACCESS GAZ 9/28/2018 I
vort, am"„��ro< DATE
DETENTION TANK ACCESS
NTS C5.5 NTS
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ENGINEERING PLLC
6413 Phinney Ave North
Seattle, Washington 98103
Ph 206.59b.7115
coterraengineering.com
2 DO
RECORD DRAWINGS
REVISION
:45 Al
:45 AN
DocuSign Envelope ID: 6EECF5B6-602A-4E4A-B436-A317AA638878
SURFACE WATER STANDARD PLAN NOTES:
THE FOLLOWING IS A LISTING OF GENERAL NOTES THAT SHALL BE INCORPORATED IN THE DRAINAGE 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 NOTES ARE NEEDED FOR SPECIFIC ASPECTS, THEY SHALL BE ADDED AFTER THE
SURFACE WATER STANDARD PLAN NOTES.
1. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE -CONSTRUCTION MEETING SHALL BE HELD AMONG THE CITY OF RENTON. HEREBY
REFERRED TO AS THE CITY, THE APPLICANT, AND THE APPLICANTS CONTRACTOR.
2. THE APPLICANT SHALL BE 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 WITH THE LATEST EDITION OF THE CITY OF RENTON SURFACE
WATER DESIGN MANUAL (RENTON SWDM), RENTON MUNICIPAL CODE (RMC), AND THE STANDARD SPECIFICATIONS FOR ROAD, BRIDGE AND MUNICIPAL
CONSTRUCTION PREPARED BY WSDOT AND THE AMERICAN PUBLIC WORKS ASSOCIATION (APWA). IT SHALL BE THE SOLE RESPONSIBILITY OF THE APPLICANT TO
CORRECT ANY ERROR, OMISSION OR VARIATION 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 DRAINAGE PLAN DOES NOT CONSTITUTE AS APPROVAL OF ANY OTHER CONSTRUCTION (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 REQUIRE COORDINATION FOLLOWED BY WRITTEN APPROVAL FROM THE CITY.
5. A COPY OF THE APPROVED PLANS SHALL BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS.
6. THE LOCATIONS OF ALL EXISTING UTILITIES SHOWN HEREON HAVE BEEN ESTABLISHED BY FIELD SURVEY OR OBTAINED FROM AVAILABLE RECORDS AND SHALL
THEREFORE BE CONSIDERED APPROXIMATE ONLY AND NOT NECESSARILY COMPLETE. IT IS THE SOLE RESPONSIBILITY OF THE APPLICANT AND THE APPLICANT'S
CONTRACTOR TO INDEPENDENTLY VERIFY THE ACCURACY OF ALL UTILITY LOCATIONS SHOWN, AND TO FURTHER DISCOVER AND AVOID ANY 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 NOTIFY THE ENGINEER OF RECORD IF A
CONFLICT EXISTS.
T. VERTICAL DATUM SHALL BE NAVD 88 AND HORIZONTAL DATUM SHALL BE NAD 83 (WA STATE PLANE, NORTH), UNLESS OTHERWISE APPROVED BY THE CITY.
REFERENCE BENCHMARK, DATUM, AND ELEVATIONS SHALL BE NOTED ON THE PLANS.
S. ALL UTILITY TRENCH BACKFILL AND ROADWAY SUBGRADE SHALL BE COMPACTED TO 957. MAXIMUM DRY DENSITY PER SECTION 2-03.3(14)D - COMPACTION AND
MOISTURE CONTROL TESTS OF THE WSDOT STANDARD SPECIFICATIONS. IN PERMEABLE PAVEMENT AND OTHER INFILTRATION AREAS, ALL TRENCH BACKFILL SHALL
BE FIRM AND 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 SPECIFICALLY APPROVED BY THE CITY AND NOTED ON THESE
APPROVED PLANS. ANY OPEN CUT SHALL BE RESTORED IN ACCORDANCE WITH THE CITY TRENCH RESTORATION STANDARDS.
10. 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 FACILITIES SHALL BE INSTALLED AND IN OPERATION PRIOR TO, OR IN CONJUNCTION WITH, ANY CONSTRUCTION ACTIVITY UNLESS OTHERWISE
APPROVED BY THE CITY.
12. ALL PIPE AND APPURTENANCES 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 BACKFILL SHALL BE AS SHOWN ON THE CITY STANDARD PLAN 220.00, 220.10. AND
220.20.
13. STEEL PIPE SHALL BE ALUMINIZED, OR GALVANIZED WITH ASPHALT TREATMENT 1, 2, OR 51NSIDE AND OUTSIDE.
14. ALL DRAINAGE STRUCTURES SUCH AS CATCH BASINS AND MANHOLES SHALL BE FITTED WITH DUCTILE IRON, BOLT -LOCKING LIDS PER THE CITY STANDARD PLAN
204.10. 204.20, 204.30, AND 204.60. STRUCTURES SHALL HAVE:
• RECTANGULAR OR ROUND, SOLID LIDS WHEN NOT COLLECTING RUNOFF, 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 THE CITY LOGO WHEN WITHIN THE PUBLIC RIGHTHOF-WAY OR IN AN EASEMENT TO THE CITY, PRIVATE STRUCTURE LIDS OUTSIDE
PUBLIC RIGHT-0E-WAY AND EASEMENTS TO THE CITY SHALL NOT DISPLAY THE CITY LOGO.
15. BUILDINGS AND OTHER STRUCTURES SHALL BE PLACED IN ACCORDANCE WITH TABLE 4.1 EASEMENT WIDTHS AND BUILDING SETBACKS LINES OF THE RENTON SWUM.
16. LIDS OF MANHOLES/CATCH BASINS WITHIN PUBLIC RIGHT-OF-WAY SHALL NOT BE ADJUSTED TO FINAL GRADE UNTIL AFTER PAVING. ALL MANHOLEICATCH BASIN RIMS
SHALL BE ADJUSTED TO BE FLUSH WITH FINAL FINISHED GRADES, UNLESS OTHERWISE SHOWN.
1 T ALL DRIVEWAY CULVERTS LOCATED WITHIN CITY RIGHT-OF-WAY SHALL BE OF SUFFICIENT LENGTH TO PROVIDE A MINIMUM 3:1 SLOPE FROM THE EDGE OF THE
DRIVEWAY TO THE BOTTOM OF THE DITCH.
UNLESS OTHERWISE NOTED, DRAWING 15 NOT TO SCALE (NTS)
STD. PLAN - 267.00
PUBLICWORI<5 SURFACE WATER STANDARD PLAN PPR(. U
DEPARTMENT NOTES (1 OF 2) GAZ 9/28/2018
wet wmt,admmramro< DATE
SURFACE WATER STANDARD NOTES
:45 An
DocuSign Envelope ID: 6 EEC F5B6-602A-4E4A-B436-A317AA638878
CONFIGURATION ON SLOPING GROUND
DOWNSPOUT WITH CLEANOUT FILTER, SEE DETAIL
L'E'R
ER STD. PLAN 226.00
L TRENCH WITH I
PIPE, SEE NOTE 1 I
6
MIN. I
�>
� I
I
(_9
� I
CLEANOUT PER
STD. PLAN 226.00
TO STORM DRAIN SYSTEM ,
FOOTING DRAIN BYPASS
5 5
MIN. MIN. CLEANOUT PER
STD. PLAN 226.00
1
TO STORM DRAIN SYSTEMDOWNI
FILTER, SEE DETAILPOUT WITH CLEANOUT , 1V MIN. LEVEL TRENCH WITH
PERFORATED PIPE, SEE NOTE 1 I
- - _ _ _ - - _ - - J
CONFIGURATION ON FLAT GROUND
PLAN VIEW OF PARCEL
COMPACTED TOPSOIL OR OTHER CLEAN FILL /
NON -WOVEN GEOTEXTILE FOR SEPARATION 6' MIN. PVC 11
ON TOP AND SIDES OF TRENCH PER WSDOT PERFORATED PIPE
SPECIFICATIONS SECTION 9-33.2(1) TABLE 3 PER ASTM D1785
SOLIDS/
o n LEAVES
6"MIN :�
t1nbFILTER SCREEN
18" MIN. O�I 1 1!2' - 3!4' WASHED /
1��O DRAIN ROCK \
CKUI iN Ll
\ % D
,\ RV \\
24" MIN.
UNDISTURBED NATIVE SOIL = TYPICAL DOWNSPOUT
MIN. 1'ABO% SEASONAL HIGH FILTER DETAIL
GROUNDWATER TABLE
SECTION A
NOTES:
1. TRENCH LENGTH TO BE 10 FEET IN LENGTH FOR EVERY 5,D00 SF OF CONTRIBUTING IMPERVIOUS SURFACE, OR 35,000 SF
OF NON-NATIVE PERVIOUS SURFACE, OR PORTION THEREOF.
GENERAL NOTES:
1. INFILTRATION TRENCHES LIMITED TO ROOF RUNOFF FROM SINGLE-FAMILY OR DUPLEX HOMES OR TO CONTROL
BASEMENT FLOODING. CONSULT WA DEPARTMENT OF ECOLOGY REGULATIONS FOR UNDERGROUND INJECTION
CONTROL PROGRAM (UIC) FOR OTHER TYPES OF RUNOFF MANAGEMENT.
2. IMPERVIOUS AREAS LARGER THAN 10,000 SF AND NON-NATIVE PERVIOUS AREAS LARGER THAN 35,000 SF MAY REQUIRE
LARGER PIPE AND SHOULD BE DESIGNED BY A CIVIL ENGINEER,
3. THE PERFORATED PIPE MAY NOT BE PLACED IN A CRITICAL AREA BUFFER OR ON SLOPES STEEPER THAN 25%.
4. SEE CONSTRUCTION PLANS FOR SPECIFIC PROJECT REQUIREMENTS.
UNLESS OTHERWISE NOTED, DRAWING 15 NOT TO SCALE (NTS)
STD. PLAN - 263.40
.L PUBLIC WORI<S PERFORATED STUB -OUT APPR E"
DEPARTMENT CONNECTION GAZ 9/28/2018 I
work,an DATE
PERFORATED STUB -OUT CONNECTION
C5.5 NTS C5.5 NTS
DocuSign Envelope ID: 6EECF566-602A-4E4A-B436-A317AA638878
SURFACE WATER STANDARD PLAN NOTES:
THE FOLLOWING IS A LISTING OF GENERAL NOTES THAT SHALL BE INCORPORATED IN THE DRAINAGE 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 NOTES ARE 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 (1) FOOT
AND SHALL MEET THE FOLLOWING SPECIFICATIONS:
• 4-8INCH ROCK 140 - 70% PASSING;
• 2-4 INCH ROCK130-40%PASSING:AND
• LESS THAN 2 INCH ROCK 110 - 20% PASSING.
19. FOOTING DRAINAGE SYSTEMS AND ROOF DOWNSPOUT SYSTEMS SHALL NOT BE INTERCONNECTED AND SHALL SEPARATELY CONVEY COLLECTED FLOWS TO THE
CONVEYANCE SYSTEM OR FLOW CONTROL FACILITY ON THE SITE, UNLESS APPROVED BY THE CITY. FOOTING DRAINS SHALL NOT BE CONNECTED TO ON -SITE BMPS.
20. THE END OF EACH STORM DRAIN STUB SHALL BE CAPPED. A CLEANOUT TOPPED WITH A BOLT -LOCKING LID MARKED "STORM" SHALL BE LOCATED AT THE PROPERTY
LINE OR ATTHE POINT OF CONNECTION OF A PRIVATE STORM DRAINAGE CONVEYANCE SYSTEM PER THE CITY STANDARD PLAN 227.00.
21. ALL STORM SYSTEM EXTENSIONS SHALL BE STAKED 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 266.00. CCTV INSPECTIONS AND REPORTS SHALL BE SUBMITTED TO THE CITY PRIOR TO RECEIVING APPROVAL TO INSTALL
PROJECT CURBS, GUTTERS AND/OR PAVEMENT.
23. ALL STORM SYSTEMS AND CONNECTIONS TO EXISTING MAINS SHALL BE TESTED IN ACCORDANCE WITH SECTION 7-04.3(1) OF THE WSDOT STANDARD SPECIFICATIONS
AND IN THE PRESENCE OF A REPRESENTATIVE OF THE CITY. STORM DRAIN STUBS SHALL BE TESTED FOR ACCEPTANCE AT THE SAME TIME THE MAIN STORM IS
TESTED.
24. FOR ALL DISTURBED PERVIOUS AREAS (COMPACTED, GRADED, LANDSCAPED, ETC.) OF THE DEVELOPMENT SITE. TO MAINTAIN THE MOISTURE CAPACITY OF THE SOIL
EITHER STOCKPILE AND REDISTRIBUTE THE EXISTING DUFF LAYER AND NATIVE TOPSOIL OR AMEND THE SOIL WITH COMPOST IN ACCORDANCE WITH STANDARD PLAN
264.00.
25. ISSUANCE OF THE BUILDING OR CONSTRUCTION PERMITS BY THE CITY DOES NOT RELIEVE THE APPLICANT OF THE CONTINUING LEGAL OBLIGATION ANDIOR LIABILITY
CONNECTED WITH STORMWATER DISPOSAL. THE CITY DOES NOT ACCEPT ANY OBLIGATION FOR THE PROPER FUNCTIONING AND MAINTENANCE OF THE STORM
SYSTEM PROVIDED DURING CONSTRUCTION.
26, ADEQUATE SAFEGUARDS, SAFETY DEVICES, PROTECTIVE EQUIPMENT, FLAGGERS. AND ANY OTHER ACTIONS NEEDED TO PROTECT THE LIFE, HEALTH, AND SAFETY OF
THE PUBLIC, AND TO PROTECT PROPERTY IN CONNECTION WITH THE PERFORMANCE OF WORK SHALL BE PROVIDED. ANY WORK WITHIN THE TRAVELED
RIGHT-OF-WAY THAT MAY INTERRUPT NORMAL TRAFFIC FLOW SHALL REQUIRE A TRAFFIC CONTROL PLAN APPROVED BY THE CITY. ALL SECTIONS OF THE WSDOT
STANDARD SPECIFICATIONS 1-10 TEMPORARY TRAFFIC CONTROL SHALL APPLY.
27. PROJECTS LOCATED WITHIN THE CITY'S AQUIFER PROTECTION AREA (APA) SHALL COMPLY WITH SPECIAL REQUIREMENT #6 OF THE RENTON SWUM AND AQUIFER
PROTECTION REGULATIONS (RMC 4-3-050).
28, PLACEMENT OF SURFACE APPURTENANCES (CATCH BASIN/MANHOLE LIDS, CLEANOUTS, INLETS, ETC.) IN THE STREET TRAVEL LANE WHEEL PATH, INTERSECTIONS OF
STREET TRAVEL LANES, BIKE LANES, SIDEWALKS, AND CROSSWALKS SHALL BE AVOIDED WHENEVER POSSIBLE. ANY SURFACE APPURTENANCE PLACED IN A
SIDEWALK OR CROSSWALK SHALL BE FITTED WITH A NONSLIP OR NON-SKID LID PER ADA REQUIREMENTS.
29. CLEARLY LABEL PUBLIC AND PRIVATE SYSTEMS ON THE PLANS. PRIVATE SYSTEMS SHALL BE MAINTAINED BY THE APPLICANT.
30. MINIMUM COVER OVER STORM DRAINAGE PIPE SHALL CONFORM TO TABLE 4.2.1.A2 OF THE RENTON SWDM.
31. CONSTRUCTED PERMEABLE PAVEMENT SHALL BE PERMEABLE ENOUGH TO ABSORB WATER AT A MINIMUM RATE OF 20 INCHES PER HOUR IMMEDIATELY AFTER THE
PAVEMENT SURFACE HAS BEEN WETTED CONTINUOUSLY FOR AT LEAST 10 MINUTES. COMPLIANCE WITH THIS MINIMUM RATE SHALL BE CHECKED PRIOR TO
CONSTRUCTION APPROVAL OF THE PAVEMENT. COMPLIANCE MAY BE CHECKED USING A SIMPLE 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 C1701 SHALL BE CONDUCTED. FOR LARGE AREAS (E.G., PARKING AREAS), TESTING OBSERVATION MAY BE ACCOMPLISHED WHILE
WALKING BEHIND A SLOWLY MOVING WATER TRUCK DISCHARGING WATER AT A RATE SIMILAR TO THE BUCKET TEST. PERMEABLE PAVERS SHALL BE TESTED USING
ASTM C1781.
UNLESS OTHERWISE NOTED, DRAWING 15 NOT TO SCALE (NTS)
fnOSTD. PLAN - 267.10
.L PUBLIC WORKS SURFACE WATER STANDARD PLAN PPR
DEPARTMENT NOTES (2 OF 2) GAZ 9/28/2018
vort,aam.ay.".o< DATE
SURFACE WATER STANDARD NOTES
NTS
4/9/21
SURVEYED: -
DESIGNED: MB
DRAWN: MB
CHECKED: PA
BY
DATE
APPR
APPROVED:
SCALE:
1 "=20'
ONE INCH
AT FULL SCALE
IF NOT ONE INCH
SCALE ACCORDINGLY
:45 AI
CONSTRUCTOR
RECORD DRAWING
THE INFORMATION ON THIS DRAWING
INDICATES CHANGES MADE TO THE
CONSTRUCTION DOCUMENTS BASED
UPON UTILITY AS -BUILT SURVEY
PREPARED BY DAVID EVANS &
ASSOCIATES, INC., DATED 3/23/21, AND
TRANSFERRED TO THE REPRODUCIBLE
DRAWINGS BY THE ENGINEER.
VERTICAL: ° CITY O F
HORIZONHORIZONTAL,NAD AD 1983/183/1991
RENTON
DATUM
Planning/Building/Public Works Dept.
:45 AN
U
R-408544ui
IN COMPLIANCE WITH CITY OF RENTON STANDARDS 0
2
WILLOWCREST TOWNHOMES
EDMONDS AVE NE, RENTON, WA
CITY OF RENTON CML DETAILS
>z
O
W
DATE:
7/29/19 U
FIELDBOOK:
PAGE: O
DRAWING NO: J
C5.5 `J
SHEET: OF,
22 35