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TAX PARCEL # 947-400-035 SOILS APPLICATION, INC.
co
R NM
zr" o 0 0 • $ a CONVENTIONAL GRA Vl TY SYSTEM FOR 863 CARLSBORG ROAD, SUITE A,
tI cn r„
1 SEQUIM, WA 98382
. . 1 12 i AQUACULTURE SYSTEMS, INC.
PH (360) 683-6300 FAX (360) 683-5652
Jefferson County
Environmental Health
LEGEND:
—
—
EXISTING PROPERTY LINES
EXISTING EASEMENTS
— — — — — —
— — — — — — —
EXISTING EDGE OF PAVED ROAD
c
EXISTING RETAINING WALLS
— — —
— — — —
EXISTING EDGE OF GRAVEL DRIVE
PROPOSED SEPTIC SYSTEMS
PROPOSED RESIDENCES
— — — — —
— — — — —
PROPOSED EDGE OF GRAVEL
APPROX. TOP/TOE OF SLOPES
DIRECTION OF FINISHED SLOPE
DRAINAGE BASIN BOUNDARIES
— '
PROPOSED STORM DRAIN LINES
>
>----
DRAINAGE DITCHING
BIOFILTRATION SWALES
EXISTING PAVED ROADWAY
EXISTING GRAVEL DRIVEWAY
PROPOSED GRAVELLED AREAS
DRAINAGE NOTES:
1. ALL CONSTRUCTION SHALL CONFORM WITH THESE
STATE DEPARTMENT OF TRANSPORTATION MUNICIPAL CONSTRUCTION. STANDARD PLANS FOR ROAD, BRIDGE AND
2. CONTRACTOR SHALL NOTIFY UTILITY LOCATOR SERVICE AND ARRANGE FOR FIELD
LOCATION AND MARKING OF ALL UNDERGROUND UTILITIES IN AFFECTED AREAS PRIOR
TO CONSTRUCTION.
3. ALL STORM DRAIN PIPING DESIGNATED AS PVC SHALL BE SDR35 PIPE CONFORMING
WITH ASTM SPECIFICATION D3034.
4. FINAL ELEVATIONS, GRADES, AND ACTUAL PIPE LOCATIONS ARE TO BE DETERMINED
BY OTHERS SUCH THAT THE FINAL ELEVATIONS AND DRAINAGE PATTERNS CONFORM
WITH THE PLAN AND DETAILS HEREON. ANY CHANGES MUST BE APPROVED BY THE
ENGINEER PRIOR TO CONSTRUCTION.
5. THIS DRAINAGE SYSTEM MUST BE INSPECTED AND CERTIFIED TO THE COUNTY BY THE
ENGINEER. CONTACT ZENOVIC & ASSOCIATES, INC. AT LEAST 48 HOURS PRIOR TO
THE TIME OF INSPECTION,
APPROVED
STORMWATER PLAN
NOW 2 7 ')PY
1EfFERS CO Y
DEPT. OPC D VE PM. T
SIGKATURE:
3LANS AND THE WA.
Storrnw ater
Require
BIOFILTRATION SWALE NOTES:
1. USE SEED MIX #1 AS PRESCRIBED IN THE STORMWATER MANAGEMENT MANUAL
FOR WESTERN WASHINGTON (AUGUST 2001). VOLUME 5, CHAPTER 9, TABLE 9.4:
75-80% TALL OR MEADOW FESCUE, 10-15% SEASIDE/COLONIAL BENTGRASS, AND
5-10% REDTOP.
2. BELOW 4" OF SWALE DEPTH, INSTALL AN EROSION CONTROL BLANKET, AT LEAST 4"
OF TOPSOIL, AND THE ABOVE PRESCRIBED SEED MIX. ABOVE 4" OF DEPTH, USE A
STRAW MULCH OR SOD.
3. FERTILIZE STRICTLY AND CONSERVATIVELY PER SEEDING MANUFACTURER'S
INSTRUCTIONS,
4. AVOID COMPACTION OF SOILS DURING CONSTRUCTION. IF COMPACTION OCCURS, TILL
SOILS BEFORE SEEDING.
5. DIVERT RUNOFF NOT NEEDED FOR IRRIGATION DURING ESTABLISHMENT OF
VEGETATION.
5' MIN.
Z_
m LEVEL
BOTTOM
2' 3
MINMIN.
DETAIL DRAINAGE DITCH
NOT TO SCALE
EXTEND DAM 18" MINIMUM BEYOND ABUTMENTS TO
PREVENT FLOW AROUND DAMS, BOTH SIDES
HAND PLACED OR MECHANICALLY
/// PLACED QUARRY SPALL OR RIP -RAP;
NO DUMPING TO PLACE ROCK
2MIN
� I /
1 f 8" NOM.
4" MIN.
TOP OF POND DIKE (POND 2 ONLY)
BOTTOM OF POND OVERFLOW (POND 2 ONLY);
TOP OF POND DIKE (POND 1 ONLY)
6" (POND 2 ONLY)
N
o J FABRICATED
Z Z �- GRATE
00
a
N
0 0
FABRICATED ADS N-12
REDUCING TEE; PART NO.
1261AN; ADD EXTENSION
AS NECESSARY TO REACH
REQUIRED HEIGHT
21C v1 .
6" DIA. OUTLET; FLOW
- LINE OF PIPE TO BE
BELOW LOWER ORIFICE
U ' CONCRETE BASE PAD FOR
_ OUTLET STRUCTURE; SET
ADS TEE 2"t INTO WET
24" SQUARE x 4" THK. CONCRETE
DETAIL INFILTRATION POND RISERS
NOT TO SCALE
SPACING BETWEEN DAMS SUCH
THAT POINTS 'A' AND 'B'
ARE OF EQUAL ELEVATION
INFILTRATION FACILITIES FOR DESIGN REVIEW. DESIGN MODIFICATIONS MAY BE DIRECTION
REQUIRED BASED ON RESULTS. OF. FLOW / \
5. AVOID COMPACTION OF INFILTRATION TRENCH AND INFILTRATION POND AREAS DURING / \ `-- CONSTRUCTION. IF COMPACTION SHOULD OCCUR, TILL SOILS PRIOR TO GRAVEL FILL 2 MIN. POINT B� / \
OR SEEDING, AS APPLICABLE , 1 z \
6. AFTER CONSTRUCTION, THE INFILTRATION PONDS MUST BE SEEDED WITH THE / \
FOLLOWING SEED MIX: 40% DWARF TALL FESCUE30% DWARF PERENNIAL RYE \ POINT B \ \ \ oN
"BARCLAY", 25% RED FESCUE, AND 5% COLONIAL BENTGRASS. , \ \ \ o
� o
6" MIN. ROCK 4' MIN. / t
INFILTRATION AND SOILS NOTES:
1. ADDITIONAL SOILS TESTING IS REQUIRED BEFORE INSTALLATION OF INFILTRATION
TRENCHES AND PONDS. A MINIMUM OF TWO TEST PITS ARE REQUIRED AT THE
APPROXIMATE PLANNED LOCAON FOR EACH INFILTRATION TRENCH AND POND.
2. EACH TEST PIT MUST BE A MINIMUM OF 15' DEEP FOR INFILTRATION TRENCHES AND
10' DEEP FOR INFILTRATION POND". AS A MINIMUM, ONE SOIL GRAIN
HOLE ANALYSIS
PER SOIL STRATUM IN EACH TEST HOLE SHALL BE PERFORMED TO A MINIMUM
DEPTH OF 11' FOR INFILTRATION TRENCHES AND 7' FOR INFILTRATION PONDS.
3. SOIL CHARACTERIZATION FOR EACH SOIL UNIT ENCOUNTED SHALL INCLUDE:
GRAIN -SIZE DISTRIBUTION (ASTM D422 OR EQUIVALENT AASHTO SPECIFICATION),
TEXTURAL CLASS (USDA), PERCENT CLAY CONTENT (INCLUDE TYPE OF CLAY IF
KNOWN), COLOR/MOTTLING, AND VARIATIONS AND NATURE OF STRATIFICATION.
4. SOILS TESTING RESULTS AS DESCRIBED HERE SHALL BE PROVIDED TO THE DESIGN
ENGINEER A MINIMUM OF TWO WEEKS BEFORE PLANNED INSTALLATION OF
DRAINAGE 2:1 CUT BIOFILTRATION
DITCH INLET SLOPES TOP OF CUT SWALE INLET
13'-0"
PLAN INFILTRATION POND #1
NOT TO SCALE
ALL CUT & FILL
SLOPES TO BE 2:1
EXISTING GRADE
LEVEL BOTTOM
AT BASIN
SECTION INFILTRATION POND #1
ROCK LINED
OVERFLOW;
BASE WIDTH
TO BE 3',
MAINTAIN 2:1
SIDE SLOPES
2:1 FILL
SLOPES
l •
2:1 CUT TOP OF CUT
SLOPES
52'-0"
BIOFILTRATION
SWALE INLET
PLAN INFILTRATION POND #2
NOT TO SCALE
2'
ALL CUT &FILL
SLOPES TO BE 2:1
BERM CONSTRUCTED
OF COMPACTED
NATIVE MATERIAL
DEPRESS TOP OF BERM 6" NOM.
AT OVERFLOW; LINE OVERFLOW
BOTTOM, SIDES, AND FACE OF
BERM AT OVERFLOW WITH 6"
THICK LAYER OF QUARRY SPALLS
ALL CUT & FILL
rSLOPES TO BE 2:1
SECTION
FILTER FABRIC; EXTEND
12" MIN. PAST EDGE
OF TRENCH
io
z
ILTRA
NOT TO SCALE
FILTER FABRIC; EXTEND
12" MIN. PAST EDGE 4' -0"
OF TRENCH
ECTION INFILTRATION
NOT TO SCALE
FILTER FABRIC; EXTEND
12" MIN. PAST EDGE 3' 0"
OF TRENCH
EXISTING GRADE
i+7
LEVEL BOTTOM _
AT BASIN
SECTION INFILTRATION POND #2
NOT TO SCALE
TION INFILTRA
NOT TO SCALE
7' MIN.
z
LEVEL } w y
BOTTOM
J1
3
1
MIN.
DETAIL BIOFILTRATION SWALE
NOT TO SCALE
DETAIL CHECK DAMS
NOT TO SCALE
3' 0" MIN/� LINING \ DETAIL CHECK DAMS 1
. / \ i
3 i �
�1 SECTION CHECK DAMS / TREES - \ NOT TO SCALE
A UNDISTRUBED $
6" I NOT TO SCALE I v
I I n
EXTEND BIOSWALE
TO NORTHWEST EDGE \ I
OF LAWN AREA
DRAINAGE BASIN BOUNDARY;
0.46 ACRE; ALL RUNOFF WITHIN / \
INFILTRATION TRENCH #O; \ INSTALL APPROX. 120 L.F.
INSTALL MIN. 66 L.F. OF \ BOUNDARY TO BE ROUTED —\ \ OF DRAINAGE DITCHING; EXISTING RETAINING WALL
4' WIDE X 3' DEEP \ TO UPPER INFILTRATION POND \\\ \ SEE DETAIL, THIS SHEET
SEE DEti
INFILTRATION POND 2 OVERFLOW B NDETRATON TRENCH; \\,I
TAIL, THIS SHEET \\ 10' MIN. FROM APPROX. EXISTING j
i FOUNDATION GRADE BREAK \ / \ Z
i
\ LAWN 4"0 DOWNSPOUT TIGHTLINE; APPROX. PROPOSED SEPTIC W
' \ NATIVE LAWN / EXTEND TO INFILTRATION DRAINFIELDS & RESERVE AREAS
\ VEGETATION / �\ r\/x\� TRENCH AT 2% MIN. SLOPE
/ 10' MIN. FROM
/ ' \ \\
60' LONG INFILTRATION FOUNDATION4 0 DOWNSPOUT 11GHTLINE;
TRENCH; TRENCH BOTTOM / / AND PIPE TO BE LEVEL EXTEND TO INFILTRATION INFILTRATION TRENCH # 3; OFFSITE SEPTIC AREA Q / / \ TRENCH AT 2% MIN. SLOPE INSTALL MIN. 72 L.F. OF NOT A PART OF PLAN / 3
TOPSOIL SLOPE GRAVELLED AND 3' WIDE X 3' DEEP
LANDSCAPED AREAS \ INFILTRATION TRENCH;
TOWARD BIOFILTRATION ( PROPOSED RESIDENCE \ SEE DETAIL, THIS SHEET
� DRAIN ROCK SWALE AS SHOWN • • AND GARAGE, LOT 34 \
\ �\ (2635 S.F.) \ / / / o
J
PROPOSED /
\V. APPROX. TOP OF SLOPE RESIDENCE t J / o
\ / &GARAGE
A \ / / T LOT 35
, IL
(2154 S.F.) 5'0 X 1' DEEP QUARRY
BOTTOM OF TRENCH INSTALL APPROX. 240 L.F. PERFORATED HDPE PIPE
AT /
PROPOSED GRAVELLED \ •• 1 OF BIOFILTRATION SWALE; \ / / o
TRENCH #1 DRIVEWAY ,,y % /� '� / / SEE DETAIL, THIS SHEET SPALL PAD IN DITCH
TO DISPERSE FLOW / Z
LAWN \ \\yJJ
SLOPE GRAVELLED AND
LANDSCAPED AREAS TOWARD' I �` INFILTRATION POND\
BIAPPROX.IOTOESOFLSLOpEAS SHOWN \ OVERFLOW; SEE
DETAIL, THIS SHEET
66' LONG INFILTRATION \ 13' LONG X 3' DEEPNATIVE INFILTRATION POND #1, MIN. PROPOSED GRAVELLED LAWN N /RISER & 6"0 OUTLET TRENCH BOTTOM
TRENCH;
AND PIPE TO BE LEVEL VEGETATION 148 CU. FT. OF STORAGE; / \ • DRIVEWAY
/ \\ �j SEE DETAILS, THIS SHEET LINE; EXTEND TO a
10' MIN. FROM QUARRY SPALL PAD
SEPTIC RESERVE / AT 2% MIN. SLOPE; SEE
TOPSOIL / INSTALL RIP -RAP CHECK DAMS IN / RISER & 6"'7 OUTLET / / a
BIOSWALES WHERE SLOPES EXCEED —/ \ LINE; EXTEND TO QUARRY / , THIS 30' MIN. FROM DETAILSHEET
2.5%; SEE DETAILS, THIS SHEET SPALL PAD A7 2% MIN. ' \ / SEPTIC DRAINFIELD LAWN / / / 7 w
DRAIN ROCK /UNDISTRUBED
\TREES�j \ SLOPE; SEE DETAIL, / \ \/ FrSp/N \ THIS SHEET / OF DRAINAGE DITCHING;
INSTALL APPROX. 30 F
G / SEE DETAIL, THIS SHEET
`4"0 PERFORATED HDPE PIPE / SLOPE GRAVELLED AND \ GRq�FC L ( / 52' LONG X 2.5' DEEP
0
AT BOTTOM OF TRENCH LANDSCAPED AREAS TOWARD pR /
/ �\ ���— — �— INFILTRATION POND #2, y
BIOFILTRATION SWALE AS SHOWN IT'gy \ '� .� MIN. 253 CU. FT. OF STORAGE;
TRENCH #2 �` - - -
/ _ — \ / /SEE DETAILS, THIS SHEET
4"0 DOWNSPOUT INFILTRATION
\ /
EXTEND T2 INFILTRATION
TRENCH AT 2% MIN, SLOPE LAWN
PROPOSED GRAVEL AND EXISTING _ 5'0 X 1' DEEP QUARRY /
/// APPROX. OOE ^DRIVEWAY TO SERVE AS EMERGENCY _ _ SPALL PAD TO DISPERSE FLOW/ / /
LE:
DRAINAGE BASIN BOUNDARY; INFILTRATION TRENCH #1; OF SLOPE �. — —
0.80 ACRE; ALL RUNOFF WITHIN INSTALL MIN. 60 L.F. OF OVERFLOW PATH FOR POND #1 �— — / INSTALL 8"0
/ �� CULVERT INSTALL 8"0 /
BOUNDARY TO BE ROUTED 3' WIDE X 3' DEEP /' ` • �\ �% \ iCU .1
TO LOWER INFILTRATION POND INFILTRATION TRENCH; INSTALL APPRO
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X. 135 L.F. E:
SEE DETAIL, THIS SHEET / INSTALL 8"0 / OF BIOFILTRATION SWALE; / EXISTING / / / \ C%�VERT� / / / SEE DETAIL, THIS SHEET NATIVE % // CULVERT / AUGUST 2006
`/ \y / / '
�� SLOPE GRAVELLED AREAS VEGETATION / /' / :
APPROX. EXISTING RUN DITCHING ALONG / /TOWARD SWALE AS SHOWN / / \` 11/ 10 Aqucculture Syatema\ENGR\
GRADE BREAK NORTHWEST EDGE ( PROPOSEDRESIDENCE . i �� v // MI\AquccuitureSYatemslnc.dwg
OF LAWN AREA AND GARAGE, LOT 33 \ / / NATIVE (1792 S.F.) N0:
VEGETATION \ LAWN / / /
/ PROPOSED GRAVELLED
\ \ \ v / 72' LONG INFILTRATION 1 DRIVEWAY \ Ov
TRENCH; TRENCH BOTTOM � \ LAWN \ • •/ � � \ / / � � / __I __ _
SAND PIPE TO BE LEVEL
• , / INSTALL APPROX. 145 L.F. / / -
/ / OF BIOFILTRATION SWALE; /
TOPSOIL NSTALL APPROX. ITC L.F. / /
OF DRAINAGE DITCHING; \ SEE DETAIL, THIS SHEET i INSTALL RIP -RAP CHECK DAMS IN
SEE DETAIL, THIS SHEET \J \ /� / /i BIOSWALES WHERE SLOPES EXCEED
DRAIN ROCK 10' MIN. FROM/ i . SEE DETAILS, THIS SHEET I
FOUNDATION
\ \T _/ T
EXISTING RETAINING WALL
4"0 PERFORATED HDPE PIPE / � ---
AT BOTTOM OF TRENCH EXISTING / EXISTING ROADSIDE DITCH • '
p I f\I i �
TRENCH #3 TI TE PLAN- V \ \/ / i / / EX
Scale: 1SHEET" = 20' / / � /
O 20' 40' 60'
OF
06210
1