HomeMy WebLinkAboutR-411505d-
0
d-
J03NTS IN FILTER FABRIC SHALL BE SPLICED AT
POSTS USE STAPLES, WIRE RINGS. OR
EQUIVALENT TU ATTACH FABRIC TO POSTS
TA2" 14 GAUGE WIRE, OR91
EQUIVALENT, IF STANDARD
STRENGTH FABRIC USED
FILTER FABRIC I 2,K IN.
I1-11
POST SPACING MAY BE ENCREASE77 4"x4' MIN. TRENCH i I 12' MIN.
TD a' IF WIRE BACKING FS USED I�
BACKFILL TRENCH WITH NATIVE SOIL
OR V4" TO 1.112" WASHED GRAVEL
2'Srot" WOOD POSTS, STEEL FENCE POSTS, OR EQUNrALENT (TYP.)
NOTES:
I. CONDI '"SOFUSE
,. SILT FENCE MAY BE USED DOWNSLOPE OF ALL OtSTURBED AREAS.
2. SILT FENCE IS NOT INTENDED TD 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 DR POND,
:-E51GN AND INSTALLATION SPECIFICATIONS
L.1- THE OEOTEKTRE USED MUST MEET THE STANDARD LISTED BELLOW. A COPY OF THE MANUFACTURER'S FABRIC SPECIFICATIONS MUST BE AVAILABLE ON SITE.
AOS (ASTM D4751 }
2D-1D0 SIEVE SIZE (D.gD-1).15m ) FOR SILT FILM
So-t00 SEVE SIZE (0.30-0.15mm) FOR OTHER FABRICS
WATER PERMITTIVITY (ASTM P4181)
D.D2 SEC' MINIMUM
GRAB TENSILE sTkEIYGtH (ASTM 04632)
180 LBS. MIN. FOR EXTRA ST'i2ENGTH FABRIC
100 LBS, MN. FOR STANDARD STRENGTH FABRIC
GRAB TENSILE ELONGATION (ASTM D4932)
30%MAIL_ (WOVEN}
ULTRAVIOLET RESISTANCE (ASTM O4355)
70% 61%
-,.2. STANDARD STRENGTH FABRIC REOUINES 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.
-.3. WHERE THE FENCE IS INSTALLED, THE SLOPE SWILL NOT BE STEEPER THAN 211:1 V
24. IF A TYPICAL SILT FENCE IS USED, THE STANDARD 4'X4" TRENCH MAY BE REDUCED AS LONG AS THE BOTTOM a INCHES DF 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 INSTALLEO 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 DR POND.
3.3. IT IS IMPORTANT TD CHECK THE UPHILL SIDE OF THE FENCE FOR SIGNS OF THE FENCE CLOGGING AND ACTING AS A BARRIER TO FLOW AND THEN CAUSING
CHANNEUZATION OF FLOWS PARALLEL TO THE FENCE. IF THIS OCCURS. REPLACE THE FENCE OR REMOVE THE TRAPPED SEDIMENrT.
'i.4. SEDIMENT MUST BE REMOVED WHEN SEDIMENT LS 8 INCHES HIGH.
3.5. IF THE FILTER FABRIC (GEOTEXTILE) HAS DETERIORATED DUE TO ULTRAVIOLET BREAKDOWN. FT SHALL BE REPLACED.
UNLESS QTHERWISE NOT113, DRAWING IS NOr TO 50ALt [NT*
URIPUBLIC WORKS
DEPARTMENT
Encompass
ENGINEERING & SURVEYING
Western Washington Division
165 NE Juniper Street, Suite 201 ■ IssaQuah, WA 98027 - Phone: (425) 392-0250
Eastern Washington Division
407 Swiftwater Blvd. - Cle Elum, WA 98922 - Phone: (509) 674-7433
:45 Alk
S. E. 114 OF N. E.
114 OF SECTION
14,
T. 23 N., R. 05 E., W- M.
CITY OF
RENTON, STATE
OF
WASHINGTON
�K15rttiPL0�01�
R 25' MIN.
INSTALL DRIVEWAY CULVERT
IF THERE IS A ROADSIDE
DITCH PRESENT, AS PER CITY
kOAb StANDARD5
4W QUARRY SPALLS --'
GEOTEXTILE
12" MIN. THICKNESS
1D0' MIN.
I DRIVEWAYS SHALL BE PAVED TO
THE EDGE OF THE RIGHT-OF-WAY
PRIOR TO INSTALLATION OF THE
OON$TRUCITON ENTRANCE To
AVOID DAMAGING OF THE
ROADWAY.
2. IT IS RECOMMENDED THAT THE
ENTRANCE BE CROWNED SO THAT
RUNOFF DRAINS OFF THE PAD
15, MIN
PROVIDE FULL WIDTH OF
LNGRESSIEGRE:SS AREA
NOTES:
1: P,.QNPRION i];=USE
1.1. CONSTRUCTION ENTRANCE SHALL BE STABILIZED WHEREVER TRAFFIC WILL BE LEAV;NG A CONSTRUCTION sr-E 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 Ito ADDITION TO THE MAIN SUBDIVISION
ENTRANCE. STABILIZED SURFACES &HALL BE OF SUFFICIENT LE14GTHWDTH TO PROVIDE VEHICLE ACCESSrPARKENG- BASED ON LOT SIZElCONFIGURATION.
2. DESV k AND INSTALLATION SPECIFICATIONS
2.1. A SEPARATLON GEOTEXTILE SHALL 13E PLACED UNDER THE SPALLS TO PREVENT FINE SEDIMENT FROM PUMPING UP INTO THE ROCK PAD. THE GEOTEXTILE
SHALL MEET THE FOLLOWING STANDARDS"
GRAB TENSILE STRENGTH (ASTM D4632)
200 -BS. MIN
GRAB TENSILE ELONGATION (ASTM D4M)
30% MAX, (WOVEN)
CSR PUNCTURE STREN07H (ASTM DVOI
495 LBS. MIN
AOS (ASTM D4751)
20-45 (U.S- STANDARD SIEVE SIZE)
>.2. DO NOT USE CRUSHED CONCRETE, CEMENT, OR CALCIUM CHLORIDE FOR CONSTRUCTION ENTRANCE STABILIZATION BECAUSE THESE PRODUCTS RAISE I H
LEVELS IN GTORMWATER AND CONCRETE DISCHARGE TO SURFACE WATERS OF THE STATE M PROHIBITED.
2.S. HOG FUEL (WOOD BASED MULCH) MAY BE SUBSTITUTED FOR OR COMBINED WITH QUARRY SPALLS IN AREAS THAT WILL NOT BE USED FOR PERMANENT ROADS.
NDG FUEL IS NOT RECtiMMENDED 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 SEDEMENT FROM BEING TRACKED ONTO PAVEMENT OR I F THE HOG F UEL IS BEING CARRIED ONTO PAVEMENT.
2.4. FENCING 5HALL 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, VAENTENANCESTANDARDS
3.1. QUARRY SPALLS SHALL AE ADDED IF THE PAD IS NO LONGER IN ACCORDANMVVIT+1 THE SPECIFICATnNS.
32 IF THE ENTRANCE IS NOT "EVENTING SENIVENt FROM BEING TRACKED OWO PAVEMENT, THEN ALTERNATIVE MEASURES TO KEEP THE STREETS FREE 0=
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 R9GK, AND WASH WATER SHALL DRAIN TO A SEDIMENT TRAP OR POND
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. THE 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 1T CAN BE CONTROLLEI7 AND DI8GWRGE11 APPROPRIATELY. WASH WAFER MUST 8E PUMPED RACK ONTO THE SITE AND
CANNOT DISCHARGE TO SYSTEMS TRIBUTARY TO SURFACE WATERS.
3 Y Y T A AR N FROM THE P AN EN P THEROADWAY S I Y
,4 AN QUARRY SPALLS H T - E LDDSE ED DMI E AD P P U ON THHALL 13E REMOVER IMMEDIATELY
5. IF VEHICLES ARE ENTERING OR EXITING THE $rrES AT PAINT$ OTHER THAN THE CONSTRUCTION ENTRANCE($}, FENICJNG $HALL BE INSTALLED TO CONTROL
Tway=Flc,
UNLESS OTHERWISt No-mv, pRAW FNG 15 NOr TO 50AL� INTSE
- STD, PLA- z15.10
DEPARTMENNTT N
PPRQV ED"
UR)
PUBLICwOSTABILIZED CONSTRUCTION ENTRANCE GAZ 9/28/2018 I P„11. wIL, DATA
xrL
:45 Al
�5'MAk
DRAINAGE GRATE TRIM
GRATE FRAME _
— OVERFLOW BYPASS
Y
BELOW INLET GRATE DEVlC£
SEDIMENT AMC) DEBRIS' "
FILTERED
WATER
SECTION VIEW
DRAINAGE GRATE
(RECTANGULAR GRATESHOWN) RETRIEVAL SYSTEM (TYP,)
OVERFLOW BYPASSITYP.)
BELOW INLET GRATE PWCE
ISOMETRIC VIEW
NOTES:
1. PROTECT,ON SHALL BE PROVIDED FOR ALL STORM DRAIN INLETS POWNSLOPE AND WITHIN 500 FEET OF A 131STURBED OR
CCN5TRUCTICN AREA. UNLESS THE RUNOFF THAT ENTER$ THE CATCH BASIN WILL BE CONVEYED 71) A SEDIMENT POND OR TRAP
2. INLET PROTECTION SHALL BE USED TO PROTECT THE DRAINAGE SYSTEM.
9. THE CONTRIBUTING DRAINAGE AREA MUST NOT BE LARGER THAN ONE ACRE
4, SIZE THE BELOW INLET GRATE DEVICE IBIGD) FOR THE STORMWATER STRUCTURE IT WILL SERVICE-
5- THE BIGO SHALL HAVE A BUILT-IN HIGH -FLOW RELIEF SYSTEM(OVERFLOW BYPASS}
THE RETRIEVAL RY M 5T ALLOW REMOVAL F THE RleD OUT SPILLING THE COLLECTED ATERIAi-
9. RETR STEM U O WITH M
R WITHSPECIFICATION 1. 7 PE FURN4 MAINTENANCE IN AGGI3RQANGT= STANDARD A-D 3 15).
}
B, 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 QTHERWISt NOT113, DRAWING IS NOr m 50ALt INTSI
STD. PLIaN - 216.30
�� PUBLIC WORKS APPN ED
"e ♦ DEPARTMENT ENT CATCH BASIN INSERT GAG 9/28/2018
P-1, w— DATr
View Looking Upstream
q
12'
�1s•�
(0-6m)
(150mm)
Note:
Key stone into channel banks and extend h
beyond the abulments a minimum of 18"
(0.5m) to prevent now around dam.
A
Section A -A
Flow a— 24- (0.6m)
_ c
V (2.am)
Spacing Between Check Dams
'L' = the distance such that points
'A' and'B' are of equal elevation.
L'
Point'A'
NOT TO SCALE
Rock Check Dam
Revised June 2016
DEPARTMENT OF
ECOLOGYPlease
see http.'/Avww-ecywa.goWcopyrighthtml for copyright notice including permissions,
State of Washington
IimNation of liability, and disclaimer.
`0, -rr/r� ;�
SURVEYED:
SDM
DESIGNED:
3
REVISIONS PER CITY COMMENTS DATED 612312021
CP
0710112021
NEM
b ��
1,O 38375
2
REVISIONS PER CITY COMMENTS DATED 410712021
CP
DRAWN:
TL1<
REGISTER
��
1
REVISIONS PER CITY COMMENTS DATED 1/25/2020
PMD
�/1�/2020
CHECKED:
ZONAL
07/01/2021
N0.
REVISION
BY
DATE
APPR
EDM
APPROVED: CA
SCALE:
1" 30)
ONE INCH
AT FULL SCALE
IF NOT ONE INCH
SCALE ACCORDINGLY
VERTICAL: NAVD 1988
HORIZONTAL: NAD 1983/1991
DATUM
: 4 5 AI
Lath and flagging
on 3 sides
3endbag
term
10 mil plastic linklg
A
Plan
1m
Berm
Section A -A
Type "Below Grade"
P
Stake (typ-)
1rl plastic lining
Sandbag
1, Actual layout
determined in the field,
2. A concrete washout
sign shall be installed
With111 16 m of the,
temporary eoncrote
washout facility.
Wood Frame
securely Hastened
around entire
peri"ter With tV
stakes
10 mil
pias#ic IIn[no
Section B-B
2x12 rough Plan
wood Frame
Type "Above Grade" with Woad Planks
NOT TO SCALE
Concrete Washout Area with Wood Planks
Revised June 2016
[DEPARTMENT OF
ECOLOGY
O OGY
pi,.,, p.y. .winpyrig►t hhJ for copyright notcc including per isslons ,
State as Washington, limilationoflabift,and disdaimer.
Al Y
One sign per 50 feet.
(minimum of 2 signs)
Dripline
r-rftic$I ^ — ~ f Root Zoo
x0 Ft.
I
I
f
f
f
I
2 , I
6 Ft. Temporary
I Chain Link Fence
tc_ Ixx,Ts
NO
TRESSPASSING
PROTECTED
TREES
Figure 1. TREE PROTECTION FENCE DETAIL. DRIPLINE METHOD
Know what's below.
Call before you dig.
CITY OR
RENTON
I;R
Planning/Building/Public Works Dept.
R-41 1505
S
A
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
DEVELOPMENT ENGINEERING
Brianne Bannwarth 07/01/2021 '
c
SKYHORSE SHORT PLAT
PR 17— 000438
TESC DETAILS
O
Z
DATE: Lu
1111212020 C�
FIELDBOOK:
PAGE: O
DRAWING NO:
14603
SHEET: OF
5 : 19