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BECLAN IAKA BECLAN PLACE] MINOR AMENDMENT
A PORTION OF THE NW 1/4 OF THE NE 1/40F SEC. 15, TWP. 23N., RGE. SE., W.M.
CITY OF RENTON, KING COUNTY, WASHINGTON
PRIVATE ROOF DRAIN NOTE
1/2 EDGED ALL P I A T MROOF DRAINAGE CONVEYANCE
GROOVE
PIPE SHALL BE A 6" 0 SDR35 D3034 WHITE PVC PIPE, PLACED
5 1/2-
AT A MINIMUM SLOPE OF 0.50%. IF THE SIZE OF THE PIPE IS
INCREASED THE DIAMETER OF THE PIPE WILL BE SHOWN ON THE
0.05
PIPE WITHIN THE PLANS.
4"0 PERFORATED PIPE ROOF DRAIN
"
1 R
FT.I
1 /2 R
WASHED ROCK 1Y2" -"
ROOF
LOT BMP APPLICATION NOTES
0
1. CONNECTION OF THE INDIVIDUAL SINGLE-FAMILY
o
18-
STRUCTURES TO THE PRIVATE DOWNSTREAM DRAINAGE
2' MIN.
CEMENT CONCRETE
:�.
SYSTEM SHALL BE VIA PERFORATED PIPE CONNECTION.
0 0 0 0 0
CLASS 5 (1-1/2-)
2. FLOW CONTROL BMPS CONSTRUCTED ON EACH LOT SHALL
BE OPERATED, MAINTAINED AND KEPT IN GOOD REPAIR BY
VARIES
SUMP W/SOLID LID *NOTE: TOP OF CURB @
DRIVEWAYS
EACH LOT OWNER.
.04
SEE NOTE
VERTICAL
CURB
DETAIL
3. COMPLIANCE WITH THE BMP REQUIREMENT ON THE LOTS
WILL BE ADDRESSED IN THE DRAINAGE PLAN SUBMITTED
PLAN VIEW
N.T.S.
STRUCTURE W/SUMP AND
SOLID LID. SEE NOTE
FINE MESH SCREEN -
4"0 PERFORATED PIPE
r♦ A S=0.1% MIN.
2' MIN.
VARIES
ROOF DRAIN -
OVERFLOW
SPLASH BLOCK
8" TEE MIN.
PROFILE
N.T.S.
1' MIN
1' MIN.
SUMP
5' MIN.
10' MIN.
^OMPACT BACKFILL
EE NOTE
4" PERFORATED PIPE
(4" ACCEPTABLE FOR
SINGLE FAMILY ROOF
DOWNSPOUT SYSTEMS)
HASHED ROCK 1Y2" - 3/4"
RAP INFILTRATION TRENCH
ENTIRELY WITH FILTER FABRIC
SECTION A -A
N.T,S.
NOTE:
v1 cn FOR DRIVEWAY DRAINAGE APPLICATIONS OBSERVE THE
W 8� o� FOLLOWING CHANGES;
V Z Y
y o 1. REPLACE SOLID LID WITH STANDARD FRAME AND
ry GRATE PER KCRS-1993, DWGS. 2-013 & 2-014
a-
n 2. 2' MINIMUN TRENCH COVERAGE REQUIRED WHERE
SUBJECT TO VEHICULAR TRAFFIC
w
a
0
M C.2.3.5 MAINTENANCE INSTRUCTIONS FOR LIMITED INFILTRATION
IF THE LIMITED INFILTRATION FLOW CONTROL BMP IS PROPOSED FOR A PROJECT, THE FOLLOWING MAINTENANCE AND
OPERATION INSTRUCTIONS MUST BE RECORDED AS AN ATTACHMENT TO THE REQUIRED DECLARATION OF COVENANT AND
GRANT OF EASEMENT PER REQUIREMENT 3 OF SECTION C.1.3.3 (P. C-18). THE INTENT OF THESE INSTRUCTIONS IS TO
EXPLAIN TO FUTURE PROPERTY OWNERS, THE PURPOSE OF THE BMP AND HOW IT MUST BE MAINTAINED AND OPERATED.
THESE INSTRUCTIONS ARE INTENDED TO BE A MINIMUM; DDES MAY REQUIRE ADDITIONAL INSTRUCTIONS BASED ON SITESPECIFIC
CONDITIONS. ALSO, AS THE COUNTY GAINS MORE EXPERIENCE WITH THE MAINTENANCE AND OPERA11ON OF
THESE BMPS, FUTURE UPDATES TO THE INSTRUCTIONS WILL BE POSTED ON KING COUNTY'S SUPfACE 01ATER DESICN
,VAIV114L WEBSITE
0 LIMITED INFILTRATION DETAIL
0
V)
ry
0
z
FOR RESIDENTIAL BUILDING PERMIT DRAINAGE REVIEW WHEN
NO SCALE APPLICATION IS MADE FOR A SINGLE FAMILY RESIDENTIAL
BUILDING PERMIT FOR EACH LOT.
4" MINIMUM COMPACTED DEPTH CLASS "B" ASPHALT CONCRETE. (MIN. 2 LIFTS)
1 1/2" MINIMUM COMPACTED DEPTH 5/8" MINUS CRUSHED
SURFACING TOP COURSE.
4 1/2" MINIMUM COMPACTED DEPTH 1 1/2" MINUS CRUSHED
SURFACING BASE COURSE.
12" GRAVEL BASE CLASS "B" MAY BE REQUIRED DEPENDING ON
SOILS CONDITION.
COMPACTED SUBGRADE, FREE OF FINE-GRAINED OR ORGANIC SOILS.
ASPHALT PAVEMENT SECTION
NO SCALE
BECLAN PLACE - LIMITED INFILTRATION BMP TABLE
2" CLAS
*2" _
CLA
CLA
MIN MIN MIN MIN MIN
I- . 6.5' MIN. -i
2" DEPTH OF
GRIND OR SAWCUT AND REMOVE
* SEE DWG# HR-05 FOR MINIMUM STANDARDS
LOT
LOT AREA
55% IMPERVIOUS
AREA (SQ FT)
10/6 IMPERVIOUS
MITIGATED AREA (SQ
FT)
MAXIMUM IMPERVIOUS
AREA IF USING
REDUCED FOOTPRINT
BMP (SQ FT)
MINIMUM LENGTH OF
LIMITED INFILTRATION
TRENCH (FT) IF USING
LIMITED INFILTRATION BMP
1
9062
4984.10
498.41
44pf 6G
62.3
-
2
7800
4290.00
429.00
-- -- - -
38(:, -,)0
53.6
3
7800
4290.00
429.00
386,1.00
53.6
4
7800
4290.00
429.00
3861.00
53.6
5
7800
4290.00
429.00
3861.00
53.E
6
7800
4290.00
429.00
3861.00
3861.00
53.6
-------
53.6
2.3
7
7800
4290.00
429.00
8
9057
4981.35
498.14
4483. -
9
7800
4290.00
429.00
3861,(
3861. (_
3861.OG
3861.00
3861.00
3762.00
76.81
91
3D.25
3531.33
4300.5E
9
53. t
53.E
53.6
10
7800
4290.00
429.00
11
7800
4290.00
429.00
12
7800
4290.00
429.00
13
7800
4290.00
429.00
14
7600
4180.00
418.00
52.3
15
8438
4640.90
464.09
58.0
16
7230
3976.50
397.65
49.7
17
7218
3969.90
396.99
49.6
18
9051
4973.05
497.81
62.2
19
7235
3979.25
397.93
49.7
20
8688
4778.40
477.84
59.7
21
8373
4605.15
460.52
4144.E ^
57.6
22
8276
4551.80
455.18
56.9
23
8591
4725.05
472.51
4 52.5S
59.1
24
7969
4382.95
438.30
3944.66
54.8
25
8835
4859.25
485.93
4373.33
60.7
26
7422
4082.10
408.21
3673.89
51.0
27
7276
4001.80
400.18
3601.62
50.0
28
8603
4731.65
473.17
4258.49
59.1
29
8045
Not applicable **
Not applicable **
Not applicable **
Not applicable **
30
7282
Not applicable **
Not applicable **
Not applicable **
Not applicable **
* M..... .... ...... ............inimum length of trench based upon application rate for SandV Loam (12S If/1000sf of impervious)................................. ....... . ....... ...................
.. ..... ... ....
See AESI Technical Memorandum dated August 15, 2012.
** I ntc 7q And 'If) nrnvirJP wPtlanrd rPc-hargP for Tract R wetland_
VERTICAL DATUM
CITY OF RENTON, NAVD 88
BENCHMARK
CITY OF RENTON BENCHMARK #2104. 1" IP W/PLUG &
TACK DOWN 0.9' IN CASE LOCATED AT THE INTERSECTION
OF SE 136TH ST. AND 144TH AVENUE SE. ELEV.=399.340
FEET (121.719 METERS)
CHECKED FOR COMPLIANCE
TO CITY STANDARDS
Date
Date
Date
Dim
6.5' MIN.
1' 1' 2.5' 1' 1'
MINI MIN r MIN MIN MIN
jvACP CLASS 'E' OR 'B'
6" CRUSHED
SURFACING TOP COURSE
)R
CRUSHED ROCK,
FLOWABLE FILL
OR
AS REQUIRED BY ENGINEER
TYPICAL PATCH FOR FLEXIBLE PAVE19ENT
WHEN PERPENDICULAR TO
ROADWAY CENTERLINE
Y p� ADOPTED
CITY OF RENTON
3fANDARD PIAN9
O Iff DATE: 12/96
DWG. NAME: HR-23 SP PAGE: H032A
RANDOM FILL
NON-WOWEN GEOTEXTILE
FILTER FABRIC
SLOPE
PLAN VIEW OF ROOF
TO PRIVATE SD SYSTEM AND PRIVATE TYPE
1 CB PRIOR TO ENTERING THE PUBLIC
STORM DRAINAGE CONVEYANCE SYSTEM.
(LIMITED INFILTRATION BMP IMPREVIOUS
AREA NOT INCLUDED)
'Wxl0'Lx1'D
EVEL TRENCH
W/6" 0 PERF PIPE
C.2.11.2 MAINTENANCE INSTRUCTIONS NTS
IF THE PERFORATED PIPE CONNECTION FLOW CONTROL BMP IS REQUIRED FOR A PROJECT, THE FOLLOWING MAINTENANCE AND OPERATION
INSTRUCTIONS MUST BE RECORDED AS AN ATTACHMENT TO THE REQUIRED DECLARATION OF COVENANT AND GRANT OF EASEMENT PER
REQUIREMENT 3 OF SECTION C.1.3.3 (P. C-18). THE INTENT OF THESE INSTRUCTIONS IS TO EXPLAIN TO FUTURE PROPERTY OWNERS, THE PURPOSE
OF THE BMP AND HOW IT MUST BE MAINTAINED AND OF96ACJEALEfHESE INSTRUCTIONS ARE INTENDED TO BE A MINIMUM; DDES MAY REQUIRE
ADDITIONAL INSTRUCTIONS BASED ON SITE -SPECIFIC
CONDITIONS. ALSO, AS THE COUNTY GAINS MORE EXPERIENCE WITH THE MAINTENANCE AND OPERATION OF THESE BMPS, FUTURE UPDATES TO THE
INSTRUCTIONS WILL BE POSTED ON KING COUNTY'S SURFAC WATER V M AYk WEBSITE.
PERFORATED PIPE CONNECTION DETAIL
344628
CALL 48 HOURS
BEFORE YOU DIG
1-800-424-5555
NO. I REVISION
06 t' 0, - 3qq4c�p_
BY I APPR. I DATE
SCHWFFCL &
♦ AssomTFs, Pt Le
CRIL BIAAEERIIN6 A PROJECT ■AIiAGEOW
1945 S. 375TH STREET Hw (253) 226-4"
FEDERAL WAY, WA 95003 bsch»w&WAdW..net
03•o( • l3
CITY OF RENTON
DEPARTMENT OF PUBLIC WORKS
BECLAN (AKA BECLAN PLACE)
STORM DRAINAGE NOTES AND BMP DETAILS
D P'? "; NED: BAS DATE: 03/01/13 FILE NAME: 12183-C11
DRAWN: TAS
CHECKED: BAS SCALE: AS SHOWN FIELD BOOK: PAGE:
APPROVED: SHEET: C-11 OF: 25
DIRECTOR OF PUBLIC WORKS