HomeMy WebLinkAboutR-404513i
(PRIVATEROAD
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A PORTION OF THE S.W. 1/4 OF SECTION 33, TOWNSHIP
23 NORTH, RANGE
PROTECT EXIST.
DRAINAGE DITCH
+j CONSTRUCTION ENTRANCE, (TYP.)
SEE DETAIL SHEET GR-02
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ROAD C' 21'
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(TYP.) /
PROTECT EXIST.
DRAINAGE DITCH
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10' TEMPORARY CONSTRUCTION '
& GRADING EASMENT
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32 36
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CONSTRUCTION ,., QUENCE o
N s - 34
(1) SCHEDULE A PRE —CONSTRUCTION SEQUENCE WITH THE -
DDES SITE INSPECTOR BY CAI -LING (206) 296-6642.
(2) PRE —CONSTRUCTION MEETING.
(3) R OF ESC
SPST SIGN WITH UEAND PHONE
PERVISOR (MAYNBECONSOL DATEDNWITH ETHE REQUIRED
NOTICE OF CONSTRUCTION SIGN).
(4) FLAG OR FENCE CLEARING LIMITS. '
(5) INSTALL CATCH BASIN PROTECTION IF REQUIRED.
(6) GRADE AND INSTALL CONSTRUCTION ENTRANCE(S).
(7) INSTALL PERIMETER PROTECTION (SILT FENCE, BRUSH
BARRIER, ETC.).
(8) CONSTRUCT SEDIMENT TRAPS.
(9) GRADE AND STABILIZE CONSTRUCTION ROADS.
(10) CONSTRUCT SURFACE WATER CONTROLS (INTERCEPTOR
DIKES, PIPE SLOPE DRAINS, ETC.) SIMULTANEOUSLY WITH
CLEARING AND GRADING FOR PROJECT DEVELOPMENT.
APPROXIMATE EARTHWORK QUANTITIES
SITE STRIPPING (12" DEPTH) = 5795 cu yds. CUT
CUT = 6495 cu yds.
FILL = 3515 cu yds.
TOTAL = 2981 net cu yds. CUT
(1 1) MAINTAIN EROSION CONTROL MEASURES IN ACCORDANCE EARTHWORK QUANTITIES ARE FOR PERMIT PURPOSES ONLY.
WITH KING COUNTY STANDARDS AND MANUFACTURER'S
RECOMMENDATIONS. QUANTITIES ARE "NEAT LINE" ONLY. THE QUANTITIES DO NOT
ACCOUNT FOR ANY SHRINK OR SWELL FACTORS. IT IS THE
(12) RELOCATE EROSION CONTROL MEASURES OR INSTALL NEW CONTRACTORS RESPONSIBILITY TO CALCULATE THE EARTHWORK
MEASURES SO THAT AS SITE CONDITIONS CHANGE THE VOLUMES FOR BID PURPOSES.
1.1
EROSION AND SEDIMEN I CON I NUL IJ /ALYYH i J 11'4
ACCORDANCE WITH THE KING COUNTY EROSION AND
SEDIMENT CONTROL STANDARDS.
(13) COVER ALL
NAREAS
DAYS DURINGWILL
THEEDRY SEASON OR TWODAYS MORE
THAN 3F_VE
DURING THE WET SEASON WITH STRAW, WOOD FIBER
MULCH, COMPOST, PLASTIC SHEETING OR EQUIVALENT.
(14) STABIL.IZE ALL AREAS THAT REACH FINAL GRADE WITHIN
SEVEN DAYS.
SEDIMENT -TRAP
BOTTOM WIDTH = 5
BOTTOM LENGTH = 15
TOP WIDTH = 32
TOP LENGTH = 42
SIDE SLOPES = 3:1
OVER. ELEV. = 502.0
BOTTOM ELEV. = 498.5
5' BENCH ELEV. = 503.0
I T B \ TEMPORARY / PROPOSED SEDIMENT TRAP#1,ASEE
aa TABLE ON THIS SHEET AND
\ i DETAIL ON SHEET GR-02
CLEARING LIMITS (TYP.)
LEGEND
FILTER FABRIC FENCE
JkKM
CONSTRUCTION ENTRANCE
—... ------•--
INTERCEPTOR DITCH W/ ROCK CHECK DAMS
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CLEARING LIMITS
_Qn1.R."
CUTOFF SWALE
Q
PROPOSED SEDIMENT BARRIER
TO BE USED ONCE CATCH BASIN IS INSTALLED
— —HP— --
INDICATES HIGH POINT OF ROAD
-- —LP-- —
INDICATES LOW POINT OF ROAD
---- --s �--------
EXISTING CONTOUR
�-- 006 - -
PROPOSED CONTOUR
SILT FENCE
ar SF
EXISTING TREE TO BE RETAINED,
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SEE SHEET L-3
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NOTE:
1. ROAD GRADE CONTOURS SHOWN ARE AT FINISHED GRADE AND REPRESENT
TOP OF ASPHALT.
2. ALL SLOPES SHALL BE AT
3:1 EXCEPT WHERE OTHERWISE NOTED.ALL
SLOPE STABILIZATION SHALL BE DONE UNDER THE DIRECTION OF THE
GEOTECHNICAL ENGINEER.
3. ACCESS MUST BE MAINTAINED TO THE EXISTING OFFSITE DRIVEWAYS 1
ALONG 116TH AVENUE SE
AND 120-TH AVENUE SE.
SCALE: 1 " = 50'
50 25 0 50 100
CONTOUR INTERVAL = 2'
HORIZONTAL DATUM: WASHINGTON STATE PLANE
COORDINATES, NORTH ZONE, NAD '83/'91, BASED ON
TIES TO KING COUNTY PUBLISHED CONTROL.
VERTICAL DATUM: NAVD '88, BENCH MARK — 4" X4"
CONCRETE MONUMENT WITH LEAD AND TACK IN CASE
LOCATED AT THE INTERSECTION OF SE 192ND ST AND
116 AVE SE. ELEVATION = 514.98 FEET.
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PROTECT EXIST.
DRAINAGE DITCH
APPROXIMATE LOCATION OF 30'x40' NET
CUT MATERIAL STORAGE (2981 CU YDS.) I
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-.. ,.... Jam.
1,
_Y
POWra
mm_�
SILT FENCE 2' TO
PROPERTY LINE, (TYP.)
SIGNIFICANT TREE TO BE --'
RETAINED, TYP. SEE SHEET L-3
PROPOSED TEMPORARY SEDIMENT TRAP #2,
SEE TABLE ON THIS SHEET AND DETAIL ON
SHEET GR-02. SEDIMENT TRAP WILL BE
REMOVED UPON CONSTRUCTION OF THE
PERMANENT POND.
COMBINED DETENTION AND WETPOND
STORMWATER FACILITY SEE SHEET PD-01
KING COUNTY D.D.E.S.
Rev'ew gineer
Completion Date
Senior n n r
Comp do Date
AM H. SAN RS P.E.
LOPMENT ENGINEER
Ap rov I Date
Comments:
II1�1 Illlf
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RESTORE EXISTING DRAINAGE
DITCH TO ORIGINAL NATURAL
CONDITIONS, SEE APPROXIMATE
DITCH SECTION ON SHEET GR-02
S.E. 192ntl ST.
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