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SECTION 14.,
TOWNSHIP
23 N. RANGE 5 E, W.M.
THE,
ENi?L A
VE A T
BRIDL E RIDGE
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of waste
D.R. STRONG
Call 2 Working Days Before You Dig CONSUL TING ENGINEERS
811 ED
4 32 ENGINEERS PLANNERS SURVEYORS
Utilities Underground Location CenterI�
(ID,MT,ND,UR,WA) IONAL 620 7TH AVENUE, KIRKLAND, WA 98033
O 425.827.3063 F 425.827.2423
1
CITY COMMENTS 11.13.14
MAJ
02.13.15
MAJ
SURVEYED:
Sis
2
CITY COMMENTS
M&J
I
05.19.15
MAJ
401.21
DESIGNED:
I
3
CITY COMMENTS
MAJ
07.13.15
MAJ
YL'
4
MYLARS
MAJ
07.23.15
MAJ
DRAWN:
YL.P
24
390.17
387.15
28
400.14
CHECKED,:
,w,
NO.
REVISION
BY
DATE
APPR
1�1AJ
APPROVED:
MAJ
SCALE:
AS NOTED
ONE INCH
IF AT FULL SCALE 1
IF NOT ONE INCH
SCALE ACCORDINGLY
VERTICAL: NAVD 1988
HORIZONTAL: NAD 1983/1991
NO TES:
1. ALL BUILDING DOWNSPOUTS, F0077NG DRAINS, AND DRAINS FROM ALL
IMPERVIOUS SURFACES SUCH AS PATIOS AND DRIVEWAYS SHALL BE
CONNECTED TO THE PERMANENT STORM DRAIN OUTLET AS SHOWN ON
THE APPROVED CONSTRUCTION DRAW NGS 1XXX ON FILE WITH CITY OF
REN TON. THIS PLAN SHALL BE SUBMITTED WITH THE APPLICATION OF
ANY BUILDING PERMIT ALL CONNECTIONS OF THE DRAINS MUST BE
CONSTRUCTED AND APPROVED PRIOR TO THE FINAL BUILDING
INSPECTION APPROVAL.
2. CONNEC77ON TO 71-1E DOWNSTREAM DRAINAGE SYSTEM SHALL BE VIA
PERFORATED PIPE CONNECTION, COMPLIANCE WITH THIS REQUIREMENT
WILL BE ADDRESSED IN THE DRAINAGE PLAN SUBMITTED FOR
RESIDENTIAL BUILDING PERMIT DRAINAGE REVIEW WHEN APPLICATION IS
MADE FOR A SINGLE FAMILY RESIDENTIAL BUILDING PERMIT FOR EACH
LOT.
J. ALL TRENCH RESTORATION SHALL BE PER THE CURRENT CITY OF
RENTON TRENCH RESTORA TION AND STREET OVERLAY DETAIL.
4. PER SECTION 7 REQUIREMENT FOR PA TCHING, 0VERLA Y, 0VERLA Y
WIDTHS, 1. TRENCHES (ROAD CROSSINGS) D. IF THE OUTSIDE OF THE
TRENCHING IS WITHIN THREE FEET (3) OF ANY ADJACENT LANE LINE,
THE ENTIRE ADJACENT TRAVELED LANE AFFECTED WILL BE REPA VED.
PRI VA TE DRA INA GE EASEMEN T NO TE:
PRIVATE DRAINAGE EASEMENTS TO BE GRANTED IN FRONT 10 -FEET OF
LOTS ON WHICH STORM STUBS BENEFITING AN ADJACENT LOT CROSS
FINAL LOCATIONS TO BE SHOWN ON FINAL PLAT.
LANDSCAPING NOTE
1. TRACT "A" WILL BE OWNED BY HOA AND POND LANDSCAPING OUTSIDE
OF THE FENCED AREA SHALL BE MAINTAINED BY 774E HOA. AN
EASEMENT OVER AND ACROSS TRACT "A" ALLOWING 774E CITY ACCESS
TO INSPECT AND MAINTAIN THE POND AND ALL STORMWA TER
FACILITIES IN THE TRACT WILL BE RECORDED.
2. 7HERE SHALL BE A MINIMUM OF 3 -FOOT CLEAR RADIUS AT ALL FIRE
HYDRANTS.
PRI VA TEL Y MAIN TAINED STORM ELEMEN TS:
1. ALL STORM DRAIN STUB -OUTS TO BE PRI VA TEL Y MAINTAINED.
2. ALL PRI VA 7E" STORM CONNECTIONS TO BE PERFORA 7ED STUB -OUTS
VER TI CAL DA TUM:
NAVD 88 PER KING COUNTY DEPARTMENT OF PUBLIC WORKS SURVEY
BRANCH (KCDP WSB) VERTICAL CONTROL.
FL 0 W CON TROL BMP NO TES:
1. 774E DETENTION FACILITY IS DESIGNED TO ACCOMMODATE IMPERVIOUS
AREA EQUAL TO 4,000 S.F. PER L 0 T. 1400 S.F. OF ROOF AREA ON
EACH LO WILL BE ROUTED TO SPLASH BLOCKS, THUS UTILIZING BASIC
DISPERSION TO ACCOMMODATE FLOW CONTROL BMP REQUIREMENTS.
BASIC DISPERSION RESULTS IN A FLOW CONTROL SIZING CREDIT OF 50X
THUS INCREASING THE ACTUAL ALLOWABLE BUILD -OUT IMPERVIOUS
AREA BY 700 S.F. (50% OF 1400 S.F.). SPLASH BLOCKS REQUIRE A
MINIMUM VEGETATED FLOWPA TH OF AT LEAST 50 FEET. IF A 50 -FOOT
FLOWPATH IS NOT AVAILABLE ON A GIVEN LOT, THEN A 20 -FOOT
GRAVEL FILLED TRENCH SHALL BE UTILIZED FOR BASIC DISPERSION WITH
A MINIMUM 25 -FOOT VEGETATED FLOWPA 774.
2. BASIC DISPERSION, AND PERFORA 7ED PIPE CONNECTION BMP HAS BEEN
UTILIZED FOR THIS PLAT.
J. FLOW CONTROL BMPS CONSTRUCTED ON EACH L 0 T SHALL BE
OPERATED, MAINTAINED AND KEPT IN GOOD REPAIR BY EACH LOT
OWNER.
ROAD TAPER CAL CULA TION
= L
W = WIDTH = 10.78 FEET
S = SPEED (MPH) = 25 MPH
L = TAPER LENGTH = 112 LF
PRI VA TE CB SCHEDULE
LOT#
RIM
1E
1
401.12
398.65
7
407.10
404.50
9
401.21
398.71
11
390.54
388.00
15
391.26
388.25
18
382.38
379.40
21
383.06
379.50
24
390.17
387.15
28
400.14
397.00
31
395.08
391.40
LOT RUNOFF NOTE:
RUNOFF BETWEEN ADJACENT LOTS TO BE HANDLED DURING INDIVIDUAL
BUILDING PERMI TS.
NORTH
GRAPHIC SCALE
0 20 40 80
1 INCH = 40 FT.
383812
RECOMMENDED FOR APPOVAL
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CITY OF THE ENCLAVE AT BRIDLE RIDGE FIEL 10.03.14
R E N TO N ROAD AND STOFM DRAINA� GE PLAN NO:
Planning/Building/Public Works Dept.
U14005368 [C12
E"' 12 °^Z9
DRS PROJECT N0. 13117 A- N N NNIAIA
Date:7j(_z'1[tE
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Date:BY:�
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Date:
BY:
Date:
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CITY OF THE ENCLAVE AT BRIDLE RIDGE FIEL 10.03.14
R E N TO N ROAD AND STOFM DRAINA� GE PLAN NO:
Planning/Building/Public Works Dept.
U14005368 [C12
E"' 12 °^Z9
DRS PROJECT N0. 13117 A- N N NNIAIA
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