HomeMy WebLinkAboutR-436010DocuSign Envelope ID 6EECF5B6-602A-4E4A-B436-A317AA638878
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TESC NOTES AND DETAILS
FOR
HARMONY RIDGE
A PORTION OF SECTION 20, TOWNSHIP 23 N., RANGE 05 E., W.M.
CITY OF RENTON, KING COUNTY, WASHINGTON
DocuSign Envelope ID: 6EECF5B6-602A-4E4A-8436-A317AA638878 DocuSign Envelope ID: 6EECF5B6-602A-4E4A-B436-A317AA638878 DocuSign Envelope ID 6EECF5B6-602A-4E4A-B436-A317AA638878
SECTION A
2"-4" ROCK
2 ao0 1r
2
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L
A L THE DISTANCE SUCH THAT POINTS B 18' MIN,
J/��/�✓/�,f��.�;' A AND B ARE OF EQUAL ELEVATION
BOTTOM OF DITCH
NOTES:
1. CONDITIONS OF USE
1 1. WHERE THERE IS CONCENTRATED RUNOFF FROM DISTURBED AREAS TO AND FROM SEDIMENT PONDS OR TRAPS.
1.2. TO CONVEY RUNOFF INTERCEPTED FROM UNDISTURBED AREAS AROUND THE SITE TO A NON -EROSIVE DISCHARGE POINT.
2. MAINTENANCE STANDARDS
2.1. ANY SEDIMENT DEPOSITION OF MORE THAN B INCHES SHALL BE REMOVED SO THAT THE CHANNEL IS RESTORED TO I75 ORIGINAL DESIGN CAPACITY.
22. THE CHECK DAMS SHALL BE EXAMINED FOR SIGNS OF SCOURING AND EROSION OF THE BED AND BANKS IF SCOURING AND EROSION HAS OCCURRED
AFFECTED AREAS SHALL BE PROTECTED BY RIPRAP OR AN EROSION CONTROL BLANKET OR NET
UNLESS OTHERWISE NOTED. DRAWING 15 NOT TO WALE (NTS;
A0% VISTD. PLAN - 217.40
PUBLIC WORKS PPR D
DEPARTMENT DITCH CHECK DAMS GAZ 9/28/2018 1
DATE
DocuSign Envelope ID: 6EECF5B6-602A-4E4A-8436-A317AA638878
2
2 MAX.
LEVEL BOTTOM MAX 1�
�1
12" MM
2' MIN +�
SWALE SPACING DEPENDS ON SLOPE GRADIENT -
NOTES:
1- CONDITIONS OF U SE
I 1 REQUIRED AT
,, 1 THE TOP OF ALL SLOPES N EXCESS OF 3H IV AND WITH MORE THAN CI FEET OF VERTICAL RELIEF
t ' 2 AT INTERVALS ON ANY SLOPES THAT EXCEEDS THE DIMENSIONS SPECIFIED BELOW,
AVERAGE SLOPE
SLOPE PERCENT
FLOW PATH LENGTH
20H:1V (OR LESS)
3-5%
300 FEET
(107020)HIAV
5.10%
200 FEET
(4 TO 10)HAV
10-25%
100 FEET
(2104)HAV
25-50%
50 FEET
2. DESIGN AND INSTALLATION SPECIFICATIONS
2.1, FOR SLOPES STEEPER THAN 2H.1V WITH MORE THAN 10 FEET OF VERTICAL RELIEF. BENCHES MAY BE CONSTRUCTED OR CLOSER SPACED
INTERCEPTOR SWALES MAY BE USED THE DESIRED MEASURE MUST BE DESIGNED BY AN ENGINEER TO EFFECTIVELY INTERCEPT THE HIGH VELOCITY
RUNOFF TO A SEDIMENT POND OR TRAP,
22 CONSTRUCTION TRAFFIC OVER TEMPORARY SWALES SHALL BE MINIMIZED.
3, MAINTENANCE STANDARDS
3 1 DAMAGE RESULTING FROM RUNOFF OR CONSTRUCTION ACTIVITY SHALL BE REPAIRED IMMEDIATELY.
3.2. IF THE FACILITIES DO NOT REGULARLY RETAIN STORM RUNOFF. THE CAPACITY ANDIOR FREQUENCY OF THE SWALES SHALL BE INCREASED
UNLESS OTHERWISE NOTED. DRAWING IS NOT TO SCALE (NTSI
STD. PLAN - 217.10
PUBLIC WORKS
DEPARTMENT GAZ INTERCEPTOR SWALE PPR D 9/28/2018 1
�
:45 AN
:45 AN
KEY DIVIDER INTO SLOPE TO
PREVENT FLOW AROUND SIDES
POND LENG(3 TTIME5
THE MAJC TH PONO6 D WIDTH)
NFLOW
SILT
\ EQUIVANCELENT
DI RISER
EQUIVALENT DIVIDER PIPE -
EMERGENCY
OVERFLOW
SPILLWAY
DISCHARGE TO STABILIZED
CONVEYANCE, OUTLET, OR
LEVEL SPREADER
CREST OF
RISER PIPE (PRINCIPAL SPILLWAY),
EMERGENCY
OPEN AT TOP WITH TRASH RACK
DEWATERING DEVICE
(SEE RISER DETAIL,
�S
SPILLWAY
MIN.
1-
12' MIN
STD. PUN 216 10)
EMBL NT COMPACTED 95%.
Tr
PERVIOUSMATERIALSMATERIALS SUCH AS GRAVEL
OR CLEAN SAND SHALL NOT BE USED
WIRE -BACKED SILT FENCE, STAKED
HAY BALES WRAPPED WITH FILTER
1
357
MIN
��!
FABRIC. OR EQUIVALENT DIVIDER
DEWATERING ORIFICE
DISCHARGE TO STABILIZED
CONCRETE BASE
CONVEYANCE, OUTLET, OR
LEVEL SPREADER
NOTES:
t CONDITION OF USE
11 A SEDIMENT POND SHALL BE USED WHERE THE CONTRIBUTING DRAINAGE AREA IS 3 ACRES OR MORE.
2. DESIGN AND INSTALLATION SPECIFICATIONS
2.1. THE POND SHALL BE DIVIDED INTO TWO ROUGHLY EQUAL VOLUME CELLS BY A PERMEABLE DIVIDER THAT WILL REDUCE TURBULENCE WHILE ALLOWING
MOVEMENT OF WATER BETW EEN CELLS. THE DIVIDER SHALL BE AT LEAST ONE HALF OF THE HEIGHT OF THE RISER. WIRE - BACKED, 2-TO 3 FOOT HIGH, EXTRA
STRENGTH FILTER FABRIC SUPPORTED BY TREATED 4"X4"4 MAY BE USED AS A DIVIDER. ALTERNATIVELY, STAKED STRAW BALES WRAPPED WITH FILTER
FABRIC MAY BE USED
2 2 IF THE POND IS MORE THAN 6 FEET DEEP, A DIFFERENT MECHANISM MUST BE PROPOSED
23 TO AID IN DETERMINING SEDIMENT DEPTH, ONE -FOOT INTERVALS SHALL BE PROMINENTLY MARKED ON THE RISER,
3. MAINTENANCE STANDARDS
s 1 SEDIMENT SHALL BE REMOVED FROM THE POND WHEN IT REACHES 1 FOOT IN DEPTH
3.2. ANY DAMAGES TO THE POND EMBANKMENTS OR SLOPES SHALL BE REPAIRED.
UNIT SS OTHERWISE NOTED, DRAW ING IS NOT TO SCALE (NTS)
STD. PLAN - 216.00
."-; PUBLIC WORKS SEDIMENT POND PLAN VIEW AND PPROVED'
;� DEPARTMENT CROSS SECTIONS GAZ 9/28/2018 I
all
DocuSign Envelope ID: 6EECF5B6-602A-4E4A-B436-A317AA638878
d' h11N
W OVERFLOW
12' DEPTH 2' - P ROCK
DEPTH
OUTFLOW CHANNEL IF
SETTLING DEPTH
CONSTRUCTED BY
-
EXCAVATION
ZNIN.
v
'
sMAx
`L
\ - -
`
FILTER FABRIC FENCING
1 5' MIN SEDIMENT STORAGE
I2" DEPTH 311- 1 12'
WASHED GRAVEL
NOTES:
I.I-, Y BE CONSTRUCTED BY EXCAVATION OR By BUILDING A BERM
UNLESS OTHERWISE NOTED, DRAWING IS NOTTO SCALE (NTS)
STD. PLAN - 211.00
PUBLIC WORKS PP" `D
_R DEPARTMENT SEDIMENT TRAP GAZ 9/28/2018 I
ialf
BENCHMARK
DATUM TOP OF 3/8N BRASS PLUG SET IN CONCRETE FOUND BRASS PIN 0.76' BELOW GRADE IN 4X4
MONUMENT AT INTERSECTION OF PUGET DRIVE CONC. MONUMENT IN MONUMENT CASE AT INTX 116TH
HORIZONTAL DATUM: VERTICAL DATUM: SE AND SE 19TH ST (NAD 83/11) AVE SE & 157TH ST (JUNE 2022) (NAD 83/11)
NAD '83/' 11 NAVD '88 N: 172240.27, E: 1304612.10 N: 171833.64, E: 1305874.10
11CITY REVIEW COMMENTS DATED
COMMENTS DATED
2 CITY REVIEW COMMENTS DATED
REVISION
:45 AN
:45 AN
PROVIDE ADEQUATE STRAPPING
POLYETHYLENE CAP
PERFORATED POLYETHYLENE DRAINAGE
TUBING, DIAMETER 2" MIN. LARGER THAN
DEWATERING ORIFICE TUBING SHALL
COMPLY WITH ASTM F667 AND AASHTO M294
CORRUGATED
METAL RISER
It MAIN
WATERTIGHT COUPLING
r- TACK WELD
�/iIIIII
DEWATERING ORIFICE, SCH 40 STEEL STUB, MIN. a 6* IN
DIAMETER AS PER CALCULATIONS IN SECTION D.21,52 OF - - -
THE CITY OF RENTON SURFACE WATER DESIGN MANUAL 4
4 ,
• 4 18' MIN
CONCRETE SASE
(ALTERNATIVEMETAL STAKES AND WIRE `
MAV BE USEDD TO PREVENT FLOTATION)
a
Fes- 2 M RISER DIA MIN.
NOTES:
1 SEE CONSTRUCTION PLANS FOR SPECIFIC PROJECT REQUIREMENTS,
UNLESS OTHERWISE NOTED, DRAWING IS NOT TO SCALE (WSJ
STD. PLAN - 216.10
"RIPUBLIC WORKS PPRn o-
DEPARTMENT SEDIMENT POND RISER DETAIL GAZ 9/28/2018 I
all
DocuSign Envelope ID6EECF586-602A-4E4A-B436-A317AA638878
Polo
$TOSS\TLC'
R = 25' MIN-
1 DRIVEWAYS SHALL BE PAVED TO
THE EDGE OF THE RIGHT-OF-WAY
PRIOR TO INSTALLATION OF THE
CONSTRUCTION ENTRANCE TO
AVOID DAMAGING OF THE
ROADWAY.
2 IT IS RECOMMENDED THAT THE
ENTRANCE BE CROWNED SO THAT
RUNOFF DRAINS OFF THE PAD
v \ t00' MIN
INSTALL DRIVEWAY CULVERT
IF THERE IS A ROADSIDE
DITCH PRESENT, AS PER CITY
ROAD STANDARDS
4"-S' QUARRY SPALLS
GEOTEXTILE
15' MIN
PROVIDE FULL WIDTH OF
INGRESSIEGRESS AREA
12" MIN THICKNESS
NOTES:
1. CONDITION OF USE
,.1. CONSTRUCTION ENTRANCE SHALL BE STABILIZED WHEREVER TRAFFIC WILL BE LEAVING A CONSTRUCTION SITE AND TRAVELING ON PAVED ROADS OR OTHER
PAVED AREAS WITHIN 1,000 FEET OF THE SITE
12 FOR RESIDENTIAL CONSTRUCTION PROVIDE STABILIZED CONSTRUCTION ENTRANCES FOR EACH RESIDENCE IN ADDITION TO THE MAIN SUBDIVISION
ENTRANCE STABILIZED SURFACES SHALL BE OF SUFFICIENT LENGTEUWIOTH TO PROVIDE VEHICLE ACCESS'PARKING, BASED ON LOT SIZEMONFIGURATION
2. DESIGN AND INSTALLATION SPECIFICATIONS
2.1 A SEPARATION GEOTEXTILE SHALL BE PLACED UNDER THE SPALLS TO PREVENT FINE SEDIMENT FROM PUMPING UP INTO THE ROCK PAD- THE GEOTEXTILE
SHALL MEET ME FOLLOWING STANDARDS.
GRAB TENSILE STRENGTH (ASTM 04632)
1 200 LBS. MIN.
GRAB TENSILE ELONGATION (ASTM 046321
1 30% MAX. (WOVEN)
CBR PUNCTURE STRENGTH (ASTM 06247)1
495 LBS. MIN.
AOS IASTM D4751)
12045 (U.S. STANDARD SIEVE SIZE)
2.2. DO NOT USE CRUSHED CONCRETE, CEMENT. OR CALCIUM CHLORIDE FOR CONSTRUCTION ENTRANCE STABILIZATION BECAUSE THESE PRODUCTS RAISE pH
LEVELS IN STORMWATER AND CONCRETE DISCHARGE TO SURFACE WATERS OF THE STATE IS PROHIBITED.
2.3. HOG FUEL (WOOD BASED MULCH) MAY BE SUBSTITUTED FOR OR COMBINED WITH QUARRY SPALLS IN AREAS THAT WILL NOT BE USED FOR PERMANENT ROADS.
HIM FUEL IS NOT RECOMMENDED FOR ENTRANCE STABILIZATION IN URBAN AREAS, THE INSPECTOR MAY AT ANY TIME REQUIRE THE USE OF QUARRY SPALLS
IF THE HOG FUEL IS NOT PREVENTING SEDIMENT FROM BEING TRACKED ONTO PAVEMENT OR IF THE HOG FUEL IS BEING CARRIED ONTO PAVEMENT
2A FENCING SHALL BE INSTALLED AS NECESSARY TO RESTRICT TRAFFIC TO THE CONSTRUCTION ENTRANCE.
2.5. WHENEVER POSSIBLE, THE ENTRANCE SHALL BE CONSTRUCTED ON A FIRM. COMPACTED SUBGRADE THIS CAN SUBSTANTIALLY INCREASE THE
EFFECTIVENESS OF THE PAD AND REDUCE THE NEED FOR MAINTENANCE.
3. MAINTENANCE STANDARDS
3.1- QUARRY SPALLS SHALL BE ADDED IF THE PAD IS NO LONGER IN ACCORDANCE WITH THE SPECIFICATIONS.
3.2. ff THE ENTRANCE IS NOT PREVENTING SEDIMENT FROM BEING TRACKED ONTO PAVEMENT, THEN ALTERNATIVE MEASURES TO KEEP THE STREETS FREE OF
SEDIMENT SHALL BE USED THIS MAY INCLUDE STREET SWEEPING, AN INCREASE IN THE DIMENSIONS OF THE ENTRANCE, OR THE INSTALLATION OF A WHEEL
WASH IF WASHING IS USED, IT SHALL BE DONE ON AN AREA COVERED WITH CRUSHED ROCK, AND WASH WATER SHALL DRAIN TO A SEDIMENT TRAP OR POND
3.3. ANY SEDIMENT THAT IS TRACKED ONTO PAVEMENT SHALL BE REMOVED IMMEDIATELY BY SWEEPING. THE SEDIMENT COLLECTED BY SWEEPING SHALL BE
REMOVED OR STABILIZED ON SITE. ME PAVEMENT SHALL NOT BE CLEANED BY WASHING DOWN THE STREET, EXCEPT WHEN SWEEPING IS INEFFECTIVE AND
THERE IS A THREAT TO PUBLIC SAFETY. IF IT IS NECESSARY TO WASH THE STREETS, A SMALL SUMP MUST BE CONSTRUCTED. THE SEDIMENT WOULD THEN BE
WASHED INTO THE SUMP WHERE IT CAN BE CONTROLLED AND DISCHARGED APPROPRIATELY. WASH WATER MUST BE PUMPED BACK ONTO THE SITE AND
CANNOT DISCHARGE TO SYSTEMS TRIBUTARY TO SURFACE WATERS.
34. ANY QUARRY SPALLS THAT ARE LOOSENED FROM THE PAD AND END UPON THE ROADWAY SHALL BE REMOVED IMMEDIATELY.
3.5. IF VEHICLES ARE ENTERING OR EXITING THE SITES AT POINTS OTHER THAN THE CONSTRUCTION ENTRANCE(S). FENCING SHALL BE INSTALLED TO CONTROL
TRAFFIC.
UNLESS OTHERWISE NOTED, DRAWING IS NOT TO SCALE (NTS)
STD. PLAN - 215.10
• PUBLIC WORKS APPRovED
11` DEPARTMENT STABILIZED CONSTRUCTION ENTRANCE GAZ 9/28/2018 1
DATI
RK
9/26/25
TJS
SURVEYED:
ANG
1 /5/25
TJS
DESIGNED:
RK
DRAWN:
RK
CHECKED:
BJT
BY
DATE
APPR
APPROVED'
TJS
:45 AN
JOINTS IN FILTER FABRIC SHALL BE SPLICED AT
POSTS USE STAPLES. WIRE RINGS, OR
EQUIVALENT TO ATTAR FABRIC TO POSTS
1
i
2'k2' 14 GAUGE WIRE, OR
EQUIVALENT. IF STANDARD
STRENGTH FABRIC USED -
FILTER FABRIC 2'MIN
--��------------ I ''
l� 6 MAX - I •, f,
POST
SPACING MAY BE INCREASED I V• 4' MIN. TRENCH
I
J TO 8' IF WIRE BACKING IS USED
BACKFILL TRENCH WITH NATIVE SOIL ��
OR 314" TO 1-12' WASHED GRAVEL
Yx4" WOOD POSTS. STEEL FENCE POSTS. OR EQUIVALENT (TYP.)
NOTES:
1. CONDITIONS OF USE
II 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. t THE GEOTEXTILE USED MUST MEET THE STANDARD LISTED BELLOW A COPY OF THE MANUFACTURERS FABRIC SPECIFICATIONS MUST BE AVAILABLE ON SITE
ADS (ASTM 04751)
30-IDD SIEVE SIZE:tfimm) FOR SILT FILM
50-1OD SIEVE SIZE IEI /S-) FOR OTHER FABRICS
WATER PERMITTIVITY (ASTM 04491)
0,02 SEC" MINIMUM
GRAB TENSILE STRENGTH (ASTM D48321
180LBBS. MIN. FOR EXTRA STRENGTH FABRIC
100 LS. MIN. FOR STANDARD STRENGTH FABRIC
GRAB TENSILE ELONGATION(ASTM D4632)
30% MAX (WOVEN)
ULTRAVIOLET RESISTANCE(ASTNI 04355)
70%MIN.
22 STANDARD STRENGTH FABRIC REOUIRES WIRE BACKING TO INCREASE THE STRENGTH OF THE FENCE WERE 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 2H, 1V
24 IF A TYPICAL SILT FENCE IS USED, THE STANDARD 4"X4" TRENCHMAY 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
CHANNELIUTION 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
UNIESS OTHERWISE NOTED DRAWING IS \•: - T[: S.-A-i INTS'.
STD. PLAN - 214.00
" PUBLIC WORKS DEPARTMENT SILT FENCE GAZ 9/28/2018 1
❑art
DocuSign Envelope ID: 6EECF5B6-602A-4E4A-8436-A317AA638878
5" MAX
DRAINAGE GRATE TRIM
GRATE FRAME _
C_ OVERFLOW BYPASS
BELOW INLET GRATE DEVICE
SEDIMENT AND DEBRIS '
FILTERED
WATER
SECTION VIEW
DRAINAGE GRATE
(RECTANGULAR GRATE SHOWN) RETRIEVAL SYSTEM(TYR)
Q 1
/ OVERFLOW BYPASS(TYP)
BELOW INLET GRATE DEVICE J
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 MI.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 NOT TO SCALE (NTS)
STD. PLAN - 216.30
PUBLIC WORKS °PRR wlD
DEPARTMENT CATCH BASIN INSERT GAZ 9/28/2018 I
DATE
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SCALE: DATE:
N/A HORIZZOONnTAL- NAD 1983/2011 TESC NOTES AND DETAILS m
CITY OF 1/6/2026 z
FlELDBOOK: 0 0
RENTON PAGE
I%MlVFHARMONY RIDGE DRAWING NO:
ONE INCH
LJ.I
AT FULL SCALE DATUM Planning/Building/Public Works Dept. ICHIJO USA CO. LTD
IF NOT ONE INCH < U
SCALE ACCORDINGLY 1406 140TH PL SE, SUITE 104, BELLEVUE, WA 98007 SHEET. 10 °F' 66 = pp