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THE LOCATION OF PROPOSED IMPROVEMENTS SHOWN ARE
NOT THE RESULT OF A PROPERTY SURVEY. THE LOCATIONS
ARE APPROXIMATE. IT IS THE HOMEOWNERS' DUTY TO
ENSURE ALL CONSTRUCTION AND IMPROVEMENT LOCATIONS
ARE ACCURATE. PROPERTY LINES AND SETBACK DISTANCES
SHOULD BE CONFIRMED PRIOR TO EXCAVATION. SCALED
FOR PRINTING ON 1 1" X 17" PAPER.
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DESIGN
LETTER DATED O3/1
CONJUNC
CBO lnc.
'129 Cains Lane
Carbondale, Colorado 81 623
Phone 970.309.5259
carla.ostberg@gmail,com
Fadden Residence
Lot 9, Roaring Fork Preserve
Garfield County, Colorado
Project Number: C1675
Date: 0311512022
Designed by: CBO
Reviewed by: RB
Drawn by: DD
SITE PLAN
Sheet 1 0F 4
x\,
rubre, GRouNDWATER
ESTIMATED AT 6205'
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ROXIMATE
WELL LOCATION
x
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EJECTOR TO [-IFT WASTEWATER FROM
EeurPMENI $Hro ro MA¡N HousE
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SCAL E: 1" = 20'-0"x
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4" DIA SDR-35 SEWER PIPE WITH CLEANOUT
1.5" DIA SCH-40 PUMP LINE.
(MrN 1% DRA|N BACK TO TANK)
ADV MODEL6404 AT HIGH POINT,r RccesstBlr AT GRADE
2-3 %
\*-
-
MIN 2% FALL TO TANK x
^s
2OOO-GALLON 2-COMPARTMENT CONCRETE SEPTIC TANK WITH AN
ORENCO PUMP PACKAGE IN THE SECOND COMPARTMENT, ANCHORED
WITH DEADMAN. RISERS AND LIDS TO GRADE
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., 5-BEDROOM
RESIDENCE
BASAL AREA TO EXTEND APROXIMATELY 9'
INSPECTION PORT AT
CORNER OF EACH BED
FLUSHING VALVE AT
END OF EACH LATERAL \
-...
-\ -, -_
BM 100'
(FF MAIN FLOOR 6209')-..r'-
-_-
ì 1.5" DIA SCH-40 LEVEL MANIFOLD
1.5' DIA SCH-40 PVC PUMP LINE TO EACH BED
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TWO (2) 12' x31.25' PRESSURE DOSED, OVER-EXCAVATED, UNLINED
SAND FTLTER (MtN. 3'ASTM C-33 CONCRETE SAND)W|TH
FOUR 1.5' DIA SCH.4O PVC LATERALS.,\.\\
1.5" DIA SCH-40 PVC LATERALS W/ 5/32" ORIFICES
FACING DOWN,2'O.C.
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SCH-40 ENCASEMENT PIPE
UNDER DRIVEWAY
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2
Fadden Residence
Lot 9, Roaring Fork Preserve
Garfield County, Colorado
Project Number: C1675
Date: 0311512022
Designed by: CBO
Reviewed by: RB
Drawn by: DD
CBO lnc.
129 Cains Lane
Carbondale, Colorado 81 623
Phone 970.309.5259
carla.ostberg@gmail, com
OWTS
Sheet 20F 4
o o2',
3'
2'
3'
o 2'
BASAL AREA OF MOUND MUST EXTEND
FOR A MINIMUM 3:1 SLOPE.
(2) 12' x 31.25' PRESSURE
PARTIALLY MOUNDED, UNLINED SAND
FTLTERS (MtN.3'ASTM C-33 CONCRETE
SAND) WITH FOUR 1.5'DlA SCH-40 PVC
LATERALS
INSPECTION PORT AT EACH
CORNER OF BED
END EACH LATERAL IN A 90" LONG
SWEEPING ELL FACING UP WITH A
BALL VALVE IN A VALVE BOX
ACCESSIBLE AT GRADE
1.5" DIA SCH-40 PVC LATERALS
wt 5t32" oRtFtcES FACTNG
DOWN, 2'O.C.
LATERALS PLACED ON TOP OF
GEOMAT, UNDER FILTER FABRIC
1.5" DIA SCH-40 PVC PUMP LINE
FROM TANK (MlN. 1% DRATN
BACK TO PUMP CHAMBER)
ADV MODEL 6404 AT HIGH
POINT, ACCESSIBLE AT
GRADE
EXTEND SLOPE
APPROX. 9'FROM
MOUND loP
oF
1.5" DIA SCH-40 LEVEL MANIFOLD 1.5" DtA SCH-40 PVC
DISTRIBUTION PIPE TO
SECTION OF THE BED
ill3l
1.5' DIA SCH-40 PVC LATERALS
WITH 5/32" DIA ORIFICE FACING
DOWN AT 2'O.C.
APPROX.9'
6208'- 6209'
6206'
2'
t/ ESTIMATED HIGH SEASONAL
GROUNDWATER 6205'
D FILTER SECTON
FILTER PLAN
MIN.3'
SAND
FLUSHING VALVES
INSPECTION PORT AT EACH
CORNER
FABRIC ON GRAVEL
FILTER MEDIA
SAND FILTER MATERIAL
.SECONDARY SAND"
EFFECTIVE SIZE = 0.15 - 0.06 mm
UNIFORMITY COEFFICIENT <7.0
% FINES PASSING #2OO SIEVE <3.0
SLIP-ON PVC
DO NOT GLUE
INSULATED
TRACERWIRE
4" DIA SDR-35
SEWER LINE
TO TANK
-
FINISHED GRADE
ÏO HOUSE
w3.0
CBO lnc.
129 Cains Lane
Carbondale, Colorado 81623
Phone 970.309.5259
carla.ostberg@gmail.com
Fadden Residence
Lot 9, Roaring Fork Preserve
Gadield County, Colorado
Project Number: C1675 rawn by: DD
igned by: CBO
ate: 0311512022
by: RB
Sheet 3 0F 4
DESIGN
S.BEDROOM RESIDENCE
75 GPD x 2 PERSONS/BEDROOM x 3 BEDROOMS + 150 GPD (4TH AND sTH
BEDROOMS) = 600 GPD
WASTEWATER FLOW = 600 GPD
TANK:
MIN. 15OO GALLONS
USE 2OOO-GALLON, TWO-COMPARTMENT CONCRETE SEPTIC TANK WITH
ORENCO PUMP PACKAGE IN SECOND COMPARTMENT. ANCHOR WITH
DEADMEN.
sorl TREATMENT AREA (STA):
LONG TERM ACCEPTANCE RATE (LTAR) = 0.8 GAL/ SF
CALCULATED STA = Q/LTAR = 600 / 0.8 = 750 SF
PARTIALLY MOUNDED, UNLINED SAND FILTER
12'X62.5'FOOTPR|NT, D|V|DED |NTO TWO ZONES (EACH 12'X31.25',)
SOIL PROFILE TEST PIT NO. 1
SLIP.ON PVC CAP
DO NOT GLUE
4- DIA SDR-35
INSPECTION PIPE
STA FILTER
MEDIA
SPRINKLER VALVE
BOX AT GRADE
FINISHED GRADE
1/4" DIA HOLE DRILLED
INTO TWO SIDES OF PIPE
FOR VENTILATION
(BELOW SL|P ON CAP)
PORT AIL
AUTOMATIC
DISTRIBUTING
VALVE ASSEMBLY
30" DIAMETER PVC
RISER
12
MIN
FROM EFFLUENT
PUMPING SYSTEM
INSTALL FLUSHING
VALVE ECCENTRIC TO
CENTER OF VALVE BOX
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2
3
4
5
6
7
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DARK BROWN TOPSOIL
LIGHT BROWN SANDY LOAM
WITH COBBLES
GROUND ELEVATION 6209'
GROUNDWATER DEPTH MONITORED
HtGH SEASONAL (JUNE) A16204.67',
SOIL PROFILE TEST PIT NO.2
DARK BROWN TOPSOIL
LIGHT BROWN SANDY LOAM
WITH COBBLES
GROUND ELEVATION 6206.6'
GROUNDWATER DEPTH MONITORED
HrcH SEASONAL (JUNE) AT 6203.68'
LEGEND
F topsoil
lï-l sand loam
and cobbles
1.5" DtA SCH-40
PVC INLET AND
OUTLETS
G VALVE DETAIL
1O'' DIA VALVE BOX
WITH SECURED LID
1.5' PVC SLIP X MALE
PIPE THREAD
ADAPTER WCAP
1.5" DIA BALL
VALVE
,I.5'DIA SCH-40 PVC
LONG SWEEP 90'ELBOW
CHAMBER END CAP
1.5" DtA SCH-40 PVC
SUSPENDED LATERAL
FI
E
w4.0CBO lnc.
129 Cains Lane
Carbondale, Colorado 81623
Phone 970.309.5259
carla.ostberg@gmail.com
Fadden Residence
Lot 9, Roaring Fork Preserve
Garfield County, Colorado
Project Number: C1675
Date: 0311512022
Designed by: CBO
Reviewed by: RB
Drawn by: DD
10
FLUSHING VALVE DETAIL
Sheet 4 0F 4
Groundwater monitoring results v v
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RED ?LASTTC CA? REF ?OTNT
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TOUND REtsAR & 7-7/+
RED ?LASTTC CA?'I?ET ?OTNT
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. TEST PIT - No. 3
- MAy 28th = 3B'(q")
- JUNE 7th = 17" N+21")
6205 \TOUND
iVO. 5 RTBAR
i
rRRrqflrro¡\,,DTTCH LATERALS
- SEPT 2nd = 44"(-6")
62Q4.08',
ßUILDTNq
ENWLO?E
(W?TCAL)
NG
6205.50' - 1.42',
wnrrRtRelF neRolt{cs
TEST PIT - No'r 2
- MAY 2gth = 44"(0")
- JUNE 7th = 3$" (+9")
- SEPT 2nd= 51' (-7")
JUNE HIGH WATERTABLE
6206.60 - 2.92' = 6203.68'
6207
TOUND T-?OST
?OSSItsLE BURTED
WELL LOCATION
6212
6209
6208 TESï PIT - No. 1
- MAY 28th = 65'(0')
- JUNE 7th = 52" (+13'¡
- SEPT 2nd = 68" (- 3")
JUNE HIGH WATERJABTE
6209.00'- 4.33' = 6204.67's:
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P.O. BOX 1051
227 tonghorn Ln
Basalr, co 81621
Pl ldt: (970) 927-3133
F^X (91O) 921-2222
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DATE PRINTED: 420,202!
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COPYRIGHT LDA Inc.
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