RESUB2 SHEET C3.1 for reference BLD2023-0811+Drainage_Plan+6.13.2024_2.27.42_PM+4321257FOUND IRON PIPE
0.30'W OF LINE &
0.41'S FROM PROP COR
9 LF ^ 4" PVC
@ 0.5% MIN
rn
FENCE SDCO, TYP
0.7'W
GRADE POOL DECK TO FLOW
I TOWARDS 8" SE AREA DRAIN AS
INDICATED BY FLOW ARROWS
46.90
I PROPOSED POOL DECK
FFE: 46.70
I PROPOSED POOL
0•9 12" AREA DRAIN
GWITH OPEN GRATE
RIM: 46.57
IE (6" SW): 43.57
' 10 LF - 6" PVC @ 28.0%
TYPE I CB, SOLID LID
1.0' RIM: 45.7
Z IE (6" NE, E): 40.80
I IE (4"E): 40.80
O IE (6" SW): 40.70
-P;
IE (6" W, OVERFLOW): 41.30
BOT: 38.70
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C3.2 C3.2
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1.2'
DISCHARGE
NE 1/4, SW 1/4, SECTION 07, TOWNSHIP 27 NORTH,
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DISCHARGE POOL zm to +► 182,00--
FOOTING DRAINS TO Cg N 85'09 O E - "'�-
4 LF 3.7' TALL MAX
4'x4'x4' DRYWELL rr C3.3 HEIGHT CONCRETE
RETAINING WALL A
I
2 FOOTING DRAIN (PERF PROPOSED
PIPE AROUND BUILDING PROPOSED CONCRETE PATIO
'OOL FOOTING DRAIN AND WALLS AND SOLID CONCRETE PATIO FFE: 52.30
INES (PERF PIPE AROUND PVC FOR CONVEYANCE) FFE: 51.80
'OOL WALLS AND SOLID 2
VC FOR CONVEYANCE) SDCO, TYP
ROOF DRAIN 46.90 eDECK FFE TO BE 30" - R FR ---F F OR LESS ABOVE R -F RFF
FINISHED GRADE F F
l �F F R FR Fes_ F � AREA DRAIN FOR
F
-tom R F PATIO RUNOFF. TIE I
PROPOSED PARTIALLY / INTO ROOF DRAIN LINE I
/ COVERED DECK /
46.77 FFE: 51.80 I
/ PROPOSED CONCRETE /� I
-143 SF OF UNCOVERED DRIVEWAY AND PARKING46.87 /
DECK TO BE DRIP THROUGH FFE: 51.80 I
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/PLANTER HA-1 TRENCH DRAIN TO I
LL COLLECT DRIVEWAY IT
46.67 TOW: 49.30 12" AREA DRAIN RUNOFF TOW: 56.90 I
46.80 46.70 BOW: 42.40 \ WITH OPEN GRATE
3 BOW: 51.80
ob RIM: 51.80
24 LF 9' TALL MAX HEIGHT IE (TRENCH DRAIN, E): 51.30
I � SDCO, TYP °, � 1
CONCRETE RETAINING 0 IE (6", SE): 48.30
46.77 INF-11 WALL (SEE STRUCTURAL) C3.3
7' a �_T�a
TOW: 51.30 i a
TOW:48.0 / BOW: 42.40 PROPOSED HOUSE; CONNECTTO
TOW: FFE: i
BOW: 47.40 ° a ' ROOF DRAIN LINE �� SDCO, TYP
�
LL 46.60 LL BOW: 42.40 UPPER FLOOR FFE 62.10' 4-
I E: -41.47
/ TOW:47.90 LOWER FLOOR FFE: 42.40' 1
a ` BOW: 47.40 TOW: 51.30 I
SDCO, BOW:42.70 I °
46.70 HA-101 TYP AREA DRAIN FOR BASEMENT I
46.67 I ACCESS RUNOFF. TIE INTO 51.90 I a
3-- ROOF DRAIN LINE
46.70 T RIM: 42.40 CONNECTTO
-3 TOW: 48.90 IE (6" SW):40.93 ROOF DRAIN LINE I ° \ a 4 /
BOW: 42 40 °
RANGE 04 EAST, W.M.
SOIL LOGS:
SET TEST PIT ONE
REBAR/CAP (ELEV:46 FEET)
i
FENCE
0.8'E
TOW: 56.0 -
BOW: 52.30
I
SDCO, TYP "
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ALL WALL FOOTING
DRAINS TO TIE INTO
T
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PROPOSED HOUSE
FOOTING DRAINS.
(4" PVC PERF PIPE)
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TOW:57.90
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BOW:52.30
3:0 8 LF - 6" PVC I PROPOSED ACCESS MAIN ENTRY I A
@ 17.59/c z SDCO, TYP TO BASEMENT FFE: 51.80 I 00
z I FFE: 42.40 I w c�
15 LF - 6" IE: -41.40
a 26 LF 8' TALL MAX
OVERFLOW TO I PVC @ HEIGHT CONCRETE 1-- PROPOSED DRIVEWAY
4'x4'x4' DRYWELL I // / 0.5% MIN , RETAINING WALL C3.3
/ : I (SEE STRUCTURAL) ;
0 27 LF 6 PVC i.: 0 a a --- /
C3.2 @ 0.5% MIN PROFILE _-- �a SDC BOW 51 80 E
i. ; : C3.2 I O TYP TOW 54.40 w 59 LF 6' TALL MAX
• ,.:./.. • . • vvr' �a a �a HEIGHT CONCRETE FENCE0 5 E
it 16 LF 4" PVC 0 a 51.80 F F F o RETAINING WALL e
@ 0.5% MIN e m F F F (SEE STRUCTURAL) C3.3
SDCO, TYP : ' / : : ' : F
6 LF 6" PVC -'-
RIM: 45.50 : • I SDCO, TYP TOW: 50.0 SDCO` TYP o °a IIIy
ir:: ::::: BOW: 42.40 @ 0.5/o MIN GAIN
IE 6 PERF PIPE): 39.30 „
( )
:.:. : • / / TOW: 52.0 i 1 TOW. 57.40
IE: ^41.45 TOW: 48.90 BOW: 51.80 12 AREA DRAIN BOW: 55.20
BOW: 42.40 WITH OPEN GRATE w I LSO#r144 OCK/LI
%'�.: :::: 0' M 63 LF 3' TALL
10.0 ; j .:. • .: 1 1 e RIM: 51.60
P 0 MAX HEIGHT „ I NICE END 0.1'W 0.05'N OF LINE
IN /" �22 i �s SDCO C3.3 CONCRETE IE (6" SE): 48.10 OM PROP COR ` 0.12'W FROM Pf
06
/ 4" OBSERVATION RIM: 48.36 RETAINING WALL
FENCE COR 1.3`1 \ �P WELL, TYP IE (6" N,S): 41.40 i
1.2'E OF LINE I / RIM: 45.50 3 IE (6" NE): 40.88 _ F
& 3.9'N FROM C3.2 IE (6" W): 40.88 . . . BOW: 57.00
PROP COR P '
82.00 G.
N 85 09 00 E o F
. . �' 10' MIN RADIUS
29.0' x 9.0' x 3.0' I \\
� � INFILTRATION TRENCH I _ p
TOP: 41.30 I J / PROPOSED DRIVEWAY
BOT: 38.30 3 I
APPROACH SHALL NOT EXCEED
GROUNDWATER: 37.30± G
24'IN WIDTH. DRIVEWAY
FOUND IRON PIPE (SEE GEOTECH REPORT) C3.2 I \ \ W 2-4.0' APPROACH MATERIAL SHALL BE
0.11'W OF LINE & I i EXISTING 6" 1 g=WSW
I I ASPHALT FROM PAVED ROAD
18'S FROM PROP COR z 70 SSCO W/ COVE �W�W p TO PROPERTY LINE OR 20',
o 0 O \ CONCRETE I W� W i Q WHICHEVER IS GREATER, AT MIN
o �' �� 1 WSW ASPHALT -
o O IE: 44.15W� APPROX. LOCATION I � �/ i P L PAVEMENT
II PER RECORDS (TYP) FR ED ER j'�
GRADING AND DRAINAGE PLAN
1 SCALE: 1" = 10'
10 0 5 10 20
GRADING AND DRAINAGE PLAN NOTES:
1. SOILS REPORT
REPORT NUMBER: 1021818
PREPARED BY: NELSON GEOTECHNICAL
ASSOCIATES, INC
DATED: FEB 02, 2018
2. A MINIMUM OF 3' HORIZONTAL SEPARATION AND 1'
VERTICAL SEPARATION IS REQUIRED BETWEEN DRY UTILITIES
(POWER, GAS, PHONE, CABLE, ETC) AND SEWER, WATER AND
STORM, AND A MINIMUM OF 5' HORIZONTAL SEPARATION
AND V VERTICAL SEPARATION FROM ANY CITY OWNED LINES.
3. ALL DISTURBED AREAS TO BE COMPOST AMENDED PER 2019
SWMMWW BMP T5.13. SEE DETAIL 4/C3.2.
4. A TYPE II MANHOLE IS REQUIRED WHENEVER RIM TO INVERT
EXCEEDS 5'.
5. A MINIMUM OF 2' OF COVER IS REQUIRED FOR ALL PIPES
LOCATED UNDER DRIVABLE SURFACES AND V OF COVER
UNDER LANDSCAPE AND OTHER HARD SURFACES. ALL PIPES
HAVE BEEN DESIGNED
WITH A MIN 3' OF COVER.
6. DRIVEWAY TO BE INSTALLED PER ECDC 18.80.060. PROPOSED
DRIVEWAY NOT TO EXCEED 14% SLOPE.
7. PER CHAPTER 5-05 PF THE COE EDDS, CLEANOUTS ARE
REQUIRED UPSTREAM OF EACH WYE OR TEE CONNECTION.
REQUIRED SDCO HAVE BEEN SHOWN IN PLAN VIEW.
GRADING QUANTITIES
TOTAL EXCAVATION (CUT) - 1,100 CU YDS TOTAL
EMBANKMENT (FILL) - 755 CU YDS
TOTAL 1,855 CU YDS
THE QUANTITIES SHOWN ABOVE ARE FOR THE PERMIT PROCESS
ONLY. THESE VALUES ARE APPROXIMATE. DO NOT USE FOR
BIDDING, PAYMENT, OR ESTIMATING PURPOSES.
PAVING LEGEND
NEW ASPHALT/UTILITY SAWCUT
NEW CONCRETE
,..
IMPERVIOUS SURFACES
SURFACE
SURFACE AREA (SF)
STORMWATER CONTROL MEASURE
NEW BUILDING
4,714
RUNOFF ROUTED TO INFILTRATION TRENCH THROUGH ROOF DRAINS.
NEW DRIVEWAY
1,441
RUNOFF COLLECTED VIA TRENCH DRAIN AND ROUTED THROUGH
PERIMETER DRAINS TO INFILTRATION TRENCH.
NEW PATIOS & WALKWAYS
*1,431
COLLECTED BY AREA DRAINS AND ROUTED THROUGH PERIMETER
DRAINS TO INFILTRATION TRENCH.
NEW POOL
THE POOL AREA HAS BEEN INCLUDED IN THE INFILTRATION TRENCH
492
SIZING CALCULATIONS. SSCO DESIGNED WITHIN 50' OF POOL.
NEW DWY (ROW)
250
NEW OFFSITE DRIVEWAY WILL SHEET FLOW WITHIN ROW.
NOTE: TOTAL NEW/REPLACED IMPERVIOUS SURFACES ON -SITE ARE 8,328 SF
* APPROX 143 OF THE WALKWAY AREAS SHOWN IN PLAN VIEW ARE SLATTED DRIP THROUGH DECK AREAS AND ARE NOT
TO BE COUNTED AS IMPERVIOUS HOWEVER, HAS BEEN INCLUDED IN CALCULATIONS PER CITY REQUEST.
4" DIA PERFORATED PVC
PIPE WITH 6" OF 1" MINUS
GRAVEL ALL AROUND,
WRAPPED IN NON -WOVEN
GEOTEXTILE FABRIC, SLOPE
AT 0.5% MIN. TURN DOWN
PERFORATIONS AS SHOWN
8" MIN FROM WOOD.
SEE STRUCTURAL DRAWINGS
6" DOWNSPOUT TIGHTLINE
TO CONVEYANCE SYSTEM
@ 0.5% MIN. PLACE NEXT
TO FOOTING DRAIN OR AS
SHOWN ON GRADING &
DRAINAGE PLAN
(CONTRACTOR MAY
LOCATE ON EITHER SIDE OF
FOOTING DRAIN)
LINE OF MAX EXCAVATION.
IF SOIL IS OVEREXCAVATED,
REPLACE WITH LEAN MIX
CONCRETE -
ee-
FOOTI NG AN D
FINISHED GRADE
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ROOF DRAIN SECTION
EXPANSION JOINT
0.0 - 0.1 TOPSOIL
0.1- 1.5 SM BROWN SILTY FINE TO MEDIUM SAND WITH ROOTS AND TRACE IRON OXIDATION STAINING (LOOSE, DRY)
1.5 - 2.3 SP-SM LIGHT YELLOW -TAN FINE TO COARSE SAND WITH SILT (MEDIUM DENSE, DRY -MOIST)
2.3 - 7.1 SP-SM LIGHT GRAY -TAN FINE TO MEDIUM SAND WITH SILT AND TRACE FINE GRAVEL AND IRON OXIDATION STAINING (DENSE, MOIST)
7.1- 8.0 SM BROWN SILTY FINE TO MEDIUM SAND WITH TRACE COARSE SAND AND IRON OXIDATION STAINING (MEDIUM DENSE, MOIST)
8.0 - 9.5 SM GRAY SILTY FINE TO COARSE SAND WITH IRON OXIDATION STAINING (DENSE, WET)
SAMPLES WERE COLLECTED AT 3.5, 4.5, 7.3, 7.5, AND 8.2 FEET
MODERATE GROUNDWATER SEEPAGE WAS ENCOUNTERED AT 8.7 FEET
TEST PIT CAVING WAS NOT ENCOUNTERED
TEST PIT WAS COMPLETED AT 9.5 FEET ON 1/17/18
TEST PIT TWO
(ELEV:57 FEET)
0.0 - 0.4 LIGHT GRAY SILT AND FINE TO MEDIUM SAND WITH ROOTS AND FINE GRAVEL (LOOSE, DRY -MOIST) (FILL)
0.4 - 1.7 SM RED -BROWN SILTY FINE TO MEDIUM SAND WITH GRAVEL AND TRACE ROOTS (LOOSE -MEDIUM DENSE, MOIST)
1.7 - 3.8 SM YELLOW -GRAY SILTY FINE TO MEDIUM SAND WITH TRACE FINE GRAVEL (DENSE, MOIST)
3.8 - 9.0 SM GRAY SILTY FINE TO MEDIUM SAND WITH TRACE IRON OXIDATION STAINING (DENSE, MOIST)
SAMPLES WERE COLLECTED AT 1.5, 3.0, AND 9.0 FEET
GROUNDWATER SEEPAGE WAS NOT ENCOUNTERED
TEST PIT CAVING WAS NOT ENCOUNTERED
TEST PIT WAS COMPLETED AT 9.0 FEET ON 1/17/18
HAND AUGER ONE
(ELEV:53 FEET)
0.0 - 0.3 LIGHT GRAY SILT AND FINE TO MEDIUM SAND WITH ROOTS AND ORGANIC AND ANTHROPOGENIC DEBRIS (LOOSE, DRY) (FILL)
0.3 - 2.0 SM RED -BROWN SILTY FINE TO MEDIUM SAND WITH GRAVEL AND TRACE ROOTS (LOOSE -MEDIUM DENSE, MOIST)
2.0 - 3.6 SM YELLOW -GRAY SILTY FINE TO MEDIUM SAND WITH TRACE FINE GRAVEL (DENSE, MOIST)
3.6 - 5.0 SM GRAY SILTY FINE TO MEDIUM SAND WITH TRACE IRON OXIDATION STAINING (DENSE, MOIST)
NO SAMPLES WERE COLLECTED
GROUNDWATER SEEPAGE WAS NOT ENCOUNTERED
TEST PIT CAVING WAS NOT ENCOUNTERED
HAND AUGER WAS TERMINATED AT 5.0 FEET ON 1/17/18
INFILTRATION PIT ONE
(ELEV:46 FEET)
0.0 - 0.9 DARK BROWN SILTY FINE TO MEDIUM SAND WITH TRACE FINE GRAVEL AND ROOTS (LOOSE, MOIST) (TOPSOIL)
0.9 - 2.0 SM RED -BROWN SILTY FINE TO MEDIUM SAND WITH GRAVEL AND TRACE ROOTS (LOOSE -MEDIUM DENSE, MOIST)
2.0 - 5.0 SM YELLOW -GRAY SILTY FINE TO MEDIUM SAND WITH TRACE FINE GRAVEL (DENSE, MOIST)
SAMPLES WERE COLLECTED AT 0.5 AND 2.5 FEET
GROUNDWATER SEEPAGE WAS NOT ENCOUNTERED
TEST PIT CAVING WAS NOT ENCOUNTERED
INFILTRATION TEST PIT WAS TERMINATED AT 5.0 AT DEPTH ON 1/17/2018
HAND AUGER 101
(ELEV:48 FEET)
0.0 - 1.0 DARK BROWN SILTY FINE TO MEDIUM SAND WITH TRACE FINE GRAVEL AND ROOTS (LOOSE, MOIST) (TOPSOIL)
1.0 - 2.0 SM RED -BROWN SILTY FINE TO MEDIUM SAND WITH GRAVEL AND TRACE ROOTS (LOOSE -MEDIUM DENSE, MOIST)
2.0 - 9.0 SM GRAY SILTY FINE TO MEDIUM SAND WITH TRACE IRON OXIDATION STAINING (DENSE, MOIST)
SAMPLES WERE NOT COLLECTED
GROUNDWATER SEEPAGE WAS NOT ENCOUNTERED
HAND AUGER CAVING WAS NOT ENCOUNTERED
HAND AUGER WAS COMPLETED AT 9.0 FEET ON 2/8/23
HAND AUGER 102
(ELEV:48 FEET)
0.0 - 1.0 DARK BROWN SILTY FINE TO MEDIUM SAND WITH TRACE FINE GRAVEL AND ROOTS (LOOSE, MOIST) (TOPSOIL)
1.0 - 3.0 SM RED -BROWN SILTY FINE TO MEDIUM SAND WITH GRAVEL AND TRACE ROOTS (LOOSE -MEDIUM DENSE, MOIST)
3.0 - 9.0 SM GRAY SILTY FINE TO MEDIUM SAND WITH TRACE IRON OXIDATION STAINING (DENSE, MOIST)
SAMPLES WERE NOT COLLECTED
GROUNDWATER SEEPAGE WAS NOT ENCOUNTERED
HAND AUGER CAVING WAS NOT ENCOUNTERED
HAND AUGER WAS COMPLETED AT 9.0 FEET ON 2/8/23
INSTALL ACO DRAIN
MODEL K100S OR EQUAL
CONCRETE 3000 PSI MIN
II
BEDDING LAYER
FINISHED LEVEL OF
CONCRETE SURROUND TO
BE APPROX 1/8" ABOVE
OEM
TRENCH DRAIN (IN CONCRETE
SCALE: 1" = V-0"
OP OF CHANNEL EDGE
URFACING PER
IVIL DRAWINGS
r.
N ASPHALT CONCRETE WEARING COURSE
HMA CLASS 1/2" PG 64-22
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(WSDOT STD SPEC 5-04.1)
CRUSHED SURFACING BASE COURSE
(WSDOT STD SPEC 9-03.9(3))
SUITABLE NATIVE MATERIAL FILL;
TOP 12" COMPACTED TO A
MINIMUM OF 95% RELATIVE
COMPACTION USING AASHTO T-180
(ASTM D1557). UNSUITABLE NATIVE
MATERIAL SHALL BE REPLACED
TYPICAL PAVEMENT SECTION
BLD2023-0799 & BLD2023-0811
APPROVED FOR CONSTRUCTION
CITY OF EDMONDS
DATE:
BY:
CITY ENGINEERING DIVISION
O C I
ENGINEERING
250 4TH AVE. S., SUITE 200
EDMONDS, WASHINGTON 98020
PHONE (425) 778-8500
FAX (425) 778-5536
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DESIGN:
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DRAWN:
JCP
CHECK:
JPU
JOB NO:
23038.20
DATE:
06/ 1 6/23
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