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w2.0
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PERTY LINE
-BEDROOM
PROPOSE CABIN
SCALE: 1 = 50'=0"
4-BEDROOM
ADDITION tr
t
GARAGE WITH
BATHROOM
,
t SEPTIC TANK
TP2
STA
, = 55'1
R = 188.71'
L = 116.19'
C8= N 5658'5f E
C - f14.36'- 169.65'
- ff5.3C
TP1
CB- S 03'43'37' lV
C = î15.13'
THE LOCATION OF PROPOSED IMPROVEMENTS SHOWN ARE
NOT THE RESULT OF A PROPERTY SURVÊY. 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 11" X 17'PAPER,
$
DRAWINGS MUST BE USED IN
CONJUNCTION WITH DESIGN
LETTER DATED 07 I 17 12021
t
a.
\
477 CR112
Garfield County, Colorado
Project Number: C1631
Thompson Residence Date: 0711212021
Designed by:CBO
Drawn by: DD
w1 .0
Sheet 1 0F 4
CBO lnc.
129.Cains Lane
Carbondale, Colorado 81623
Phone 970.309.5259
carla.ostberg@gmail.com
d'"
N
4'DIA SDR-35 SEWER PIPE WITH CLEANOUT
MIN 2% FALL TO TANK
ONE SEWER LINE INTO THE OTHER WITH WYE SCALE: 1" = 20'-0"
FITTING
I
sOO-GALLON, TWO-COMPARTMENT
SEPTIC TANK WITH EFFLUENT SCREEN
4" DIA SDR-35 SEWER LINE TO STA
(MrN. 1% FALL TO STA)
7
"ô"6" DIA SCH-40 ENCASEMENT PIPE
ING STA TO
BE ABANDONED
BURIED
IRRIGATION
LINE
"e"
4" DIA SDR-35 INSPECTION PORT AT
BEGINNING AND END OF EACH TRENCH
' 1i"À -./
'QUICK-4' CHAMBER TRENCHES.
4 TRENCHES WITH 15 CHAMBERS PER TRENCH
FOR A TOTAL OF 60 CHAMBERS AND
720 SF.A:
R:
t_
CB:
^t¡
38"57
1 69.65'
115 .3+'
DISTRIBUTION BOX
WITH ACCESS AT GRADE
s 03'+3'37"
11 3.1i'
/
4'DIA SDR-35 DISTRIBUTION LINE TO EACH
TRENCH
(MrN. 1% SLOPE TO TRENCH)PROPOSED OWTS
CBO lnc.
129 Cains Lane
Carbondale, Colorado 81623
Phone 970.309.5259
carla.ostberg@g mail.com
Thompson Residence
477 CR 112
Garfield County, Colorado
Project Number: C1631
Date: 0711212021
Designed by: CBO
Drawn by: DD
w2.0
Sheet 20F 4
15 CHAMBERS PER TRENCH
IITIIII
ITTIIT
III I
IIIIIIII
INFILTRATOR
END PLATE
GRAVELLESS 'QUICK4'
CHAMBER (4'x 3')
4' DIA SDR-35 DISTRIBUTION
LINE TO EACH TRENCH
(MrN. 1% SLOPE TO TRENCH)
4" DtA SDR-35
EFFLUENT PIPE FROM
SEPTIC TANK
4'DIA SDR-35
INSPECTION
PORT
DISTRIBUTION BOXWITH 4'max
L
AT GRADE SOIL
PLACED IN 2'min
4',TOP PORT OF
CHAMBER END
PLATES
lLIMIT
EXCAVATION
SCARIFY
GRAVELLESS 'QUICK-4'
CHAMBER (4'x 3')
rÀ CHAMBER TRENCH SECTION
S/ Nor To scÁr.E
DIA SDR-35 INSPECTION
PORT AT BEGINNING AND
END OF EACH TRENCH
SMALL VALVE COVER
BOX OR IRRIGATION
VALVE BOX AT GRADE
FINISHED GRADE
BOX AND COVER BROUGHT TO GRADE
CONCRETE LID
ATTACH CAP OR THREADED
CLEANOUT ASSEMBLY
24'MtN.
FINSHED GRADE
COMPACT
4" DIA SDR-35 SEWER LINE
(MtN 2olo SLOPE TO TANK,
MrN. 1% TO STA)BASE TO SUPPORT
BOX
4" PVC PIPE CUT TO
FIT -.+
USE HOLE SAWTO
CUT THRUTOPOF
SCREENED
OR SAND FOR
BEDD¡NG
3" MtN.BAFFLE OR
ANGLED PIPE
TO BE USEDEND PLATE
8" MlN.AT INLET
TION BOX BOX L
BACKFILL
OUTLETS
oooo
CBO lnc.
129 Cains Lane
Carbondale, Colorado 81 623
Phone 970.309.5259
carla.ostberg@gmail.com
477 CR112
Garfield County, Colorado
Project Number: C1631
Thompson Residence : 0711212021
ned by: CBO
by: DD
w3.0
Sheet 3 0F 4
OWTS COMPONENTS AND
PHYSICAL FEATURES
MINIMUM REQUIRED
SETBACK
APPROXIMATE PROPOSED
SETBACK
HOUSE TO SEPTIC TANK 5'39'
SEPTIC TANK TO WELL 50'139',
SEPTIC TANK TO WATER COURSE 50'N/A
STA TO HOUSE 20'85'
STA TO WELL 100'182'
STA TO WATER COURSE 50'N/A
DESIGN
EDULE 40 END GAP MUST BE
GLUED OR SECURED
IN AWATERTIGHT
FASHION WITH
UNDERGROUND
SEALANT
s-BEDROOM RESIDENCE
75 GPD X 2 PERSONS/BEDROOM X 3 BEDROOMS + 150 GPD (4th ANd sth
BEDROOMS) = 600 GPD
WASTEWATER FLOW = 600 GPD
ENCASEMENT PIPE
40 RIGID END
CAP AT EACH END
OF PIPE
TANK:
MIN. 15OO GALLONS HOLE DRILLED IN END
CAP MUST ONLY BE
LARGE ENOUGH TO
ALLOW SEWER LINE TO
FIT THROUGH
SOIL TREATMENT AREA (STA):
LONG TERM ACCEPTANCE RATE (LTAR) = 0.6 GAUSF
CALCULATED STA = Q/LTAR = 600 / 0.6 = 1000 SF
GRAVlry, TRENCHES = 1000 SF X 1.0 = 1000 SF
CHAMBERS = 1000 SF X 0.7 = 700 SF I 12SF / CHAMBER = 59 CHAMBERS
FOUR GRAVELLESS CHAMBER TRENCHES
15'QUICK4'CHAMBERS IN EACH TRENCH
TOTAL 60'QUICK 4' CHAMBERS
DIA SDR-35 SEWER LINE.
MUST REST ON BOTTOM
OF ENCASEMENT PIPE
ENCASEMENT DETAIL
SOIL PROFILE TEST PIT NO.1 SOIL PROFILE TEST PIT NO.2
-0 DARK BROWN TOPSOIL DARK BROWN TOPSOIL
-2
-3 TAN CALCAREOUS CLAY MATRIX TAN CALCAREOUS CLAY MATRIX
t-ululIL
;l-ù
lrJ
-4 SLIP-ON PVC
DO NOT GLUE
-5 INSULATED
TRACERWIRE FINISHED GRADE
-6
LEGEND
Fl topsoil
F,l calcareous
clay matrix
4" DIA
SEWER LINE
-8 NO GROUNDWATER OR BEDROCK ENCOUNTERED
DURING EXCAVATION
-9
TO TANK TO HOUSE
--10
ì ì
CBO lnc.
129 Cains Lane
Carbondale, Colorado 81 623
Phone 970.309.5259
carla.ostberg@gmail.comI I lÈx¡
Thompson Residence
477 CR112
Garfield County, Colorado
Project Number: C1631
Date: 0711212021
Designed by: CBO
Drawn by: DD
w4.0
Sheet 4 0F 4