HomeMy WebLinkAboutAlder Heights Prelim Platc
TRACT AREA TABLE
TRACT # DESCRIPTION
AREA (S.F.)
A
WETLAND BUFFER
43,652
B
26' PRIVATE ACCESS
2921
C
STORM DRAINAGE/PARK
10,751
D
STORM DRAINAGE/PARK
5498
[TOTAL
LOT AREA 58.154 SF
1.34 AC.
LOT AREA TABLE
LOT #
AREA (S.F.)
LOT #
AREA (S.F.)
1
7288
13
3760
2
6239
14
3948
3
5300 15
4324
4
5223 16
5485
5
4918 17
4324
6
5000 18
3948
7
5588 19
3760
8
5500 20
4042 2
9
5060 21
4042
10
4221 22
3780
11
4050
0 23
4324
12
4042 24
4700
TOTAL LOT AREA 112.866 SF
2.59 AC.
LEGAL DESCRIPTION
THAT PORTION OF THE SOUTHEAST QUARTER OF THE NORTHWEST QUARTER OF SECTION
TOWNSHIP 23 NORTH, RANGE 5 EAST, WILLAMETTE MERIDIAN, IN KING COUNTY, WASHINGT33,
DESCRIBED AS FOLLOWS: ON,
BEGINNING AT THE SOUTHEAST CORNER OF SAID SUBDIVISION;
THENCE NORTH 01.03' 14" EAST, ALONG THE EASTERLY LINE THEREOF, A DISTANCE OF 4
FEET; 90
THENCE NORTH 88.50'00" WEST A DISTANCE OF 415.60 FEET TO THE EASTERLY MARGIN
THE SEATTLE COVINGTON TRANSMISSION LINE RIGHT OF WAY; OF
THENCE SOUTH 15.22'40" EAST, ALONG SAID EASTERLY MARGIN, A DISTANCE OF 509.89
FEET, MORE OR LESS, TO THE SOUTHERLY LINE OF SAID SUBDIVISION;
THENCE EASTERLY, ALONG SAID SOUTHERLY LINE, TO THE POINT OF BEGINNING;
:XCEPT THE SOUTH 30 FEET THEREOF FOR ROAD; ALSO
:XCEPT THAT PORTION THEREOF LYING WITHIN THE RIGHT OF WAY OF SOUTHEAST 18
;TREET; ALSO 184TH
XCEPT THAT PORTION THEREOF LYING WITHIN THE RIGHT OF WAY OF 124TH AVENUE
E
PRELIMINARY PLAT
FOR
ALDER HmEIGHTS
A PORTION OF THE S.E. 1/4 OF THE N.W. 1/4 OF SECTION 337 TOWNSHIP 23 N. RAN
KING COUNTY, WASHINGTON GE 5 E., W.M.
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EX. 6UI INGS
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` �;,:° b UTILITY, f � `,��••��:.
fi� \� EASEMENT10' UTILI
- ------ -- � EMENT �
.I ' - TRACT D
STORM DRAINAGE/PARKCy
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BUFFER ALTERATION TABLE
BUFFER REDUCTION AREA 1679 S.F.
F + +
+ + BUFFER MAKE-UP AREA 6567 S.F.
TOTAL NET GAIN IN BUFFER AREA 4888 S.F.
I n
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f ` 20'x2O' JUD
EASEMENTS
(TYPICAL)
DEDICATION
SE 1 TH ST
ZOVITSKY RD o ,�
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SE 186TH ST `SITE4'q
786TH PL SE
VICINITY MAP �
NOTES:
I. ASSESSOR'S PARCEL NUMBER: 332305-9009
2. SITE ADDRESS: 12252 SE 184TH ST., RENTON, WA 98058
3. GROSS SITE AREA: 4.4 ACRES
4. EXISTING USE: SINGLE-FAMILY RESIDENTIAL
5. PROPOSED USE: 24-LOT SINGLE-FAMILY RESIDENTIAL SUB DIVISION
6. ZONING: R-6 (URBAN RESIDENTIAL, 6 DU/AC)
7. COMPREHENSIVE PLAN DESIGNATION: URBAN MEDIUM RESIDENTIAL
8, RA-6 REQUIRED MINIMUM LOT WIDTH: 30 FEET
9. AVERAGE LOT AREA: 4689 SF
10. PROJECT DENSITY: 5.45 DU/ACRE
11. BUILDING SETBACKS:
STREET: 10 FEET
GARAGE: 20 FEET
INTERIOR: 5 FEET
12. BUILDING HEIGHT MAXIMUM: 35 FEET
13. SOIL TYPE: ALDERWOOD GRAVELLY SAND LOAM (AgB, AgD)
14. SOURCE OF BOUNDARY, TOPOGRAPHY AND WETLANDS:
FIELD SURVEYED BY BARGHAUSEN
CONSULTING ENGINEERS, INC. APRIL, 2005
UTILITIES SERVICES
WATER:
SOOS CREEK WATER AND SEWER DISTRICT
14616 SE 192ND
STREET
RENTON, WA 98058-1039
(253) 630-9900
SEWER:
SOOS CREEK WATER AND SEWER DISTRICT
14616 SE 192ND STREET
RENTON, WA 98058-1039
(253) 630-9g00
POWER/GAS:
PUGET SOUND ENERGY
105 - 156TH AVENUE NE
BELLEVUE, WA 98058
1 (888) 225-5773
PHONE:
QWEST COMMUNICATIONS
PO BOX 9073
SEATTLE, WA 98111
1 (800) 244-1 1 1 1
FIRE:
FIRE DISTRICT #40
10828 SE 176TH STREET
RENTON, WA 98055
(425) 255-0931
SCHOOL:
RENTON SCHOOL DISTRICT NO. 403
300 SW 7TH STREET
RENTON, WA 98055
OWNER/DEVELOPER
NO RR I S
HOM
ES,
ES
IN
C.
2053 FABEN DRIVE
MERCER ISLAND, WA 98040
(425) 275-1901
CONTACT: JOHN NORRIS
ENGINEER SURVEYo
R PLANNER
BARGHAUSEN CONSULTING ENGINEERS, INC.
18215 - 72ND AVENUE SOUTH
KENT, WA 98032
(425) 251-6222
FAX (425) 251-8782
CONTACT: DAN BALMELLI/R. WILLIAM GLASSEY/IVANA HALVORSEN
L05POO18
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PRELIMINARY GRADING AND DRAINAGE PLAN
FOR
ALDER HEIGHTS
A PORTION OF THE SEEM 1/4 OF THE NEW. 1/4 OF SECTION 33, TOWNSHIP 23 N., RANGE 5 E., W.A.
KING COUNTY, WASHINGTON
MOH lGI7?l'kGE
TRANSMISSION
TCiWER
332305-9042
FND IRON . `lPf.
I€:. 'I2" CN:', E=4 8., 4
W , FENCE
I
RIGHT( 0F�WAY
PAVEMENT WIDTH
10' f
EXISTING PAVEMENT
I
EX. PAVEMENT
TO REMAIN
I �
30' ONE HALF R/W
I—�sa
14'
UTILITY POLES PLACED
BACK OF SIDEWALK
6" SIDEWALK {_1_'-O" S�-pP
NEW PAVEMENT II MIN. MPX \j 7
WIDENING
WIDTH - VARIES 0.02 FT
SUBGRADE/SLOREf 0.
CLASS B A,SPHALT CONCRETE — CATCH BASIN &
CRUSHED SURFACING TOP COURSE STORM SEWERS (TYP.)
CRUSHED SURFACING BASE COURSE
ADDITIONAL TREATMENT MAY BE
REQUIRED DEPENDING ON SOIL
CONDITIONS. SEE SEC. 4.02 &
4.03 URBAN SUBCOLLECTOR
NOT TO SCALE
12' ADS E f 415-62 --'
DB TYPE 1, RIM=416.27
'2 'MAILBOXES
4" ADS: NW =43 t6.49
X'S N=415.56
r5SIDEWALK W/6"
VERTICLE CURB
WATER MH (SSMH UD;=41
TOP 8" OR. 1 D" D PIP;,_:.
,, VAI.'` E
5 MPH SIGN
TE L RISER
0 }_
t'
11
MAILBOX
�- L JL - DaX
4M
IE- 12" AES Su-414.4.0
I 1e,.�
-••OB TYPE 1 R M=415.44
IE 12 " ADS N=41:51.34
{E 1 %# ADS ' �=413.44
DB TYPE 1 RWM 415.16
E I4.
"" ADS 4 w413.%`•
IE 12" ADS >W-413.01
:y"
E 1 ADS F. =412,86„
IE 12" A(:`S `4=4' j ;5
WATER MARKER POST
V
D�QICATION
�! ~^ WOOD FENCE
E
LAN;.5CAPE TII BLK✓
NI) ':" IRi,N PIPIT:
STREET SIGN
PoW(f[ER POLE
"- CB PPE RIM= 415.55
IE 12' ADS WSW 413.28
Iw 12" ADCs ENE'-4.13.22
I — TEL J... EJ0
ROWER POLE
SOUTH VAULT VOLUMES
DETENTION
CONSERVATION FLOW CONTROL
MAX WATER EL. = 419.0
OUTLET I.E. = 413.1
BOTTOM OF VAULT EL. = 409.1
STORAGE REQUIRED r ±25,920 CF
STORAGE PROVIDED = ±26,000 CF
WATER QUALITY
BASIC WATER QUALI I Y
VOLUME REQUIRED = f5,089 CF
VOLUME PROVIDED = f 12,636 CF
(1' SEDIMENT STORAGE)
NORTH VAULT VOLUMES
DETENTION
CONSERVATION FLOW CONTROL
MAX WATER EL. = 420.1
OUTLET I.E. = 416.0
BOTTOM OF VAULT EL. = 412.0
STORAGE REQUIRED = ±32,384 CF
STORAGE PROVIDED = ±32,800 CF
WATER QUALITY
BASIC WATER QUALITY
VOLUME REQUIRED = f5,749 CF
VOLUME PROVIDED = ±24,000 CF
(1' SEDIMENT STORAGE)
26' PRIVATE ACCESS TRACT
13' 13'
I
1' MIN.
2' 2' 1' MIN.
LLJ
_2% �I 2%_ �\
, //7///.
CEMENT CONCRETE i— 2" COMPACTED DEPTH CLASS 'B' ASPHALT CONCRETE PAVEMENT
ROLLED CURB
SEE KCRS DWG. NO. 3-002 1-1/2" COMPACTED DEPTH CRUSHED ROCK SURFACING TOP COURSE ALTERNATE
5" COMPACTED DEPTH CRUSHED ROCK SURFACING BASE COURSE 4" ATB
ADDITIONAL TREATMENT MAY BE REQUIRED DEPENDING ON SOILS CONDITIONS
PER KING COUNTY ROAD STANDARDS SECTION 4.02
TRACT B - 26' Private Access
NOT TO SCALE SERVES UP TO SIX PARCEL MAXIMUM
1 ' 5' WALK 1,
2'
X 2%,
�A ;
36'
R/W
11'
I
11'
_ 2%
I
I
2% _
1' 6'
1
L' ^. \
IV
L- 2" COMPACTED DEPTH CLASS 'B' ASPHALT CONCRETE PAVEMENT
5" THICK CEMENT CONCRETE 1-1/2" COMPACTED DEPTH CRUSHED ROCK SURFACING TOP COURSE
SIDEWALK PER KCRS 3-001 ALTERNATE
CEMENT CONCRETE 5" COMPACTED DEPTH CRUSHED ROCK SURFACING BASE COURSE 4" ATB
ROLLED CURB ADDITIONAL TREATMENT MAY BE REQUIRED DEPENDING ON SOILS CONDITIONS
SEE KCRS DWG. NO. 3-002 PER KING COUNTY ROAD STANDARDS SECTION 4.02
ROAD A - Minor Access
NOT TO SCALE
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