2011-01-05 HEX# 10-008 Exhibit CAPPROX. OHWM PER SURVEY
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EXISTING CONC WALK TO REMAIN
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REMOVE THIS PORTION OF EX. CONC WALK
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LINE BETWEEN
1 78 S F
NORTHERNMOST STRUCTURE
AT ADJACENT HOUSES TO EAST
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AND WEST
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I 2,236 SF
GRADE TO SWALE FOR DRAINAGE
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RETAINING WALL ON
TO REMAIN INPLACEWEST PL I ii 4,273 SF
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PL
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IMPERVIOUS AREA CALCULATION
178 SF
2,236 SF
1,840 SF
4,273 SF
8,527 SF TOTAL EXISTING
IK,35:1SF TOTAL LOT SIZE
LEGEND
I IMPERVIOUS
PERVIOUS
EX, ROCK WALL
EXISTING HOUSE TO
BE DEMOLISHED
GRAVEL DRIVEWAY
EX. CONC WALL TO BE
REMOVED
PL
NG GRAVEL
DRIVEWAY TOREMAIN
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81
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20' SETBACK, NOT
t INCLUDED IN IMPERVIOUS
S W 31)7TH ST
o CALCULATIONS
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4342 SW 307TH STREET, FEDERAL WAY, WA
EXISTING SITE PLAN - IMPERVIOUS AREA CALCULATION
1" = 30'-0" BOE architects, pllc
09 SEPTEMBER 01 0
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APPROX. OHWM PER SURVEY
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TOP OF SLOPE
SEE TOPO SURVEY
—BY EASTSIDE CONSULTANTS
DATED 02-09
EXISTING CONIC WALK TO REMAIN
REMOVE THIS PORTION OF EX.
CONC WALK
w Q
LINE BETWEEN
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NORTHERNMOST STRUCTURE
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AT ADJACENT HOUSES TO EAST
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AND WEST
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1 60 SF
EX, ROCK WALL
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IMPERVIOUS AREA CALCULATION
160 SF EXISTING SIDEWALK
4,030 SF BUILDING FOOTPRINT
528 SF COVERED SIDEWALKS
1,850 SF PERVIOUS PAVING PARKING
2,027 SF IMPERVIOUS DRIVEWAY
8,595 SF TOTAL PROPOSED
1148,351 SF TOTAL LOT S!LEJI
LEGEND
IMPERVIOUS
PERVIOUS
NO GRADING
WITHIN 25' SLOPE
SETBACK BUFFER
25'-0" ABOVE AVER
GRADE - SEE CALC
ON A3 2
18" SIDE YARD
OVERHANG -TYP.
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PERVIOUS PAVING
PARKING AREA
Oz
1,19
Lu o�
1,850 SF
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EX. CONC WALL TO BE
REMOVED
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APPROX 39' NEW
r O RETAINING WALL
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PL
Id!J IMPERVIOUS
� DRIVEWAY
AAA N
720' SETBACK, NOT
f s W307THST — INCLUDED IN IMPERVIOUS
CALCULATIONS
4342 SW 307TH STREET, FEDERAL WAY, WA
PROPOSED SITE PLAN - IMPERVIOUS AREA CALCULATION
�J 1" = 30'-0" BOE architects, pllc
09 SEPTEMBER 2010
EXFNPIT C