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C I N
MANHOLE
5 LF 4" PVC
® 2.0%
2500 GAL.
SEPTIC TANK
EL= 99.3 ---_��
CABIN #5
CABIN �4
N
69 lg W
30 0 30 60
SCALE 1" = 30'
6' DIA. LIFT STST!0
WETWELL
FLOW TO SEWER
PLANT
EL= 99.82
180 LF 2" PVC DR 21
PRESSURE PIPE (5' MIN.
CABIN /j6 BURIAL)
CONTRACTOR TO
PROVIDE RISERS TO
BRING TO GRADE
CONTRACTOR TO
FIELD VERIFY
ASSUME 5'
TO EXISTING
MANHOLE _
INV.1 93.80
45' BEND OAK BRUSH ON
HILLSIDE
6.5 LF 4" PVC 5 LF 2" PVC DR 21
SDR 35
2'X2' DISTRIBUTION'
STONE FIREPLACE BOX W/BAFFLED TEE `INLET
& BBQ PIT
d
GR. EL= 101,.83
PROFILE HOLES ABSORPTION
_H FIELD
CD
0) M,
GR. EL= 101.87 --`� o
0
GR. EL= 102.38 0
30'
to
NO 8
2
' 5 LF 4" PVC
2500 GAL
SEPTIC
TANK
INV.= 93.35
N V. =93.45
EL.= 99.3
6' DIA.
WETWELL
PROPERTY
LINE
L= 09'15'31"
R= 1096.00'
CH.= N73d56'45"W
176.91'
L= 177.11'
2X2 EL.= 101.3
DISTRIBUTION
BOX
6.5 LF 4" PVC
/ SDR35 ® 2.0%
45' BENDS
LINV.= 99.13
5 LF 2" PVC
DR21 ® 1.0%
180 LF 2' PVC
DR21 ® 1.0% INV.= 95.93
INV.= 94.13
SEPTIC LINE PROFILE
N. r.&
INV.= 98.88
2.42' COVER
11 1,
INV.= 98.88 "INFILTRATOR"
-1.5 LF 4" PVC
® 2.0%
HEADER & DISTRIBUTION
CHAMBER(S) INV.= 98.75
CALCULATIONS:
1. Design Load: (Determned by Aspen/Pitkin Health Dept.)
A. Existing 3 -bedroom house/office
3 bedroon x 2 people x 75 gpcd= 450 gpd
b. Existing Studi) Cabins (7 total)
7 x 2 purple x 75 gpcd= 1050 gpd
Total = 1500 gpd
2. Septic Tank Sizing:
V= 1125 + 0.750
Use 2500 Gal. Septic Tank
3. Absorption Area:
A. Percolation Rite: Avg= 10.3 min/in use 11 min/in (Test Data 10/12/94)
B. Absorption Area: Average Flow = 2250 gpd
Loading Rate= 0.72 gpd /ft 2 (Pitkin County)
Credit for "Infiltrator" bed= 40% (wgcd 8/6/91)
Infiltrator Absorption Area per Unit= 18.00 ft2
A= .95 (Q) - 0.055 (Q)
5
A= 2062-82= 3980 ft2
Infiltrator Area= (0.60)(3980)= 2388 ft 2
C. Absorption Trench Layout:
Area allowed per Infiltrator Unit= 18.00 ft2
Number of units required= 2388 ft2 /18.00 ft2 = 133
Use 133 Units min.
D. Bed Layout:
9 Rows total with 15 units each= 140 units
Dimensions of Bed= 30' x 97't
REFERENCES
A. Pitkin County Board of Health: Individual Sewage Disposal
Systems Regulations.
B. Guidelines on Individual Sewage Disposal Systems
Colorado D:partment of Health
C. Design Man ral On-site Wastewater Treatment and Disposal
Systems -E1 October, 1981 - --
GENERAL NOTES:
1. MINIMUM HORIZONTAL DISTANCES BETWEEN APPURTENANCES:
A. SEPTIC TANK TO NEAREST ABSORPTION TRENCH 6 FEET
B. HOUSE TO SEPTIC TANK 5 FEET
C. PROPERTY LINE TO NEAREST ABSORPTION TRENCH 10 FEET
2. HEADER AND MAIN LINES TO BE STANDARD FOUR -INCH DIAMETER, SDR
35 D 3034 HEAVY WALL PVC PIPE, OR AS SHOWN ON DRAWINGS.
3. DISTRIBUTION SYSTEM TO BE "INFILTRATOR" CHAMBERS 3'X6 1/4'X1'
LOCATED IN STRAIGHT LINES ALONG THE LENGTH OF THE BED.
UNITS SHALL HAVE AASHTO RATING OF H-10 WITH MIN. 12" COVER.
4. UNITS SHALL BE PLACED ON LEVEL RAKED TRENCHES AND
CONSTRUCTED WITH INTERLOCKING CONNECTIONS REQUIRING (4) 1"X1/8"
SCREWS.
5. CLEANOUTS TO BE PLACED AS SHOWN ON DRAWINGS (SEE STANDARD
DETAIL).
6. ACCESS OPENING OF THE SEPTIC TANK TO BE DEVELOPED TO GRADE.
THE ACCESS COVER TO WEIGHT 75 LBS. OR BE PADLOCKED.
7. ADEQUATE VEGETATION TO BE PROVIDED OVER EXCAVATED AREA.
9. ALL INLETS/OUTLETS FROM SEPTIC TANK(S) AND DISTRIBUTION BOX TO
BE SEALED LEAK TIGHT.
i
MARTIN/MARTIN assumes no responsibility for utility locations.
The utilities shown on this drawing have been plotted from the
best available information. It is, however, the contractors
responsibility to field verify the location of all utilities prior
to th�ommycerr�IIet of any construction.
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C I N
MANHOLE
5 LF 4" PVC
® 2.0%
2500 GAL.
SEPTIC TANK
EL= 99.3 ---_��
CABIN #5
CABIN �4
N
69 lg W
30 0 30 60
SCALE 1" = 30'
6' DIA. LIFT STST!0
WETWELL
FLOW TO SEWER
PLANT
EL= 99.82
180 LF 2" PVC DR 21
PRESSURE PIPE (5' MIN.
CABIN /j6 BURIAL)
CONTRACTOR TO
PROVIDE RISERS TO
BRING TO GRADE
CONTRACTOR TO
FIELD VERIFY
ASSUME 5'
TO EXISTING
MANHOLE _
INV.1 93.80
45' BEND OAK BRUSH ON
HILLSIDE
6.5 LF 4" PVC 5 LF 2" PVC DR 21
SDR 35
2'X2' DISTRIBUTION'
STONE FIREPLACE BOX W/BAFFLED TEE `INLET
& BBQ PIT
d
GR. EL= 101,.83
PROFILE HOLES ABSORPTION
_H FIELD
CD
0) M,
GR. EL= 101.87 --`� o
0
GR. EL= 102.38 0
30'
to
NO 8
2
' 5 LF 4" PVC
2500 GAL
SEPTIC
TANK
INV.= 93.35
N V. =93.45
EL.= 99.3
6' DIA.
WETWELL
PROPERTY
LINE
L= 09'15'31"
R= 1096.00'
CH.= N73d56'45"W
176.91'
L= 177.11'
2X2 EL.= 101.3
DISTRIBUTION
BOX
6.5 LF 4" PVC
/ SDR35 ® 2.0%
45' BENDS
LINV.= 99.13
5 LF 2" PVC
DR21 ® 1.0%
180 LF 2' PVC
DR21 ® 1.0% INV.= 95.93
INV.= 94.13
SEPTIC LINE PROFILE
N. r.&
INV.= 98.88
2.42' COVER
11 1,
INV.= 98.88 "INFILTRATOR"
-1.5 LF 4" PVC
® 2.0%
HEADER & DISTRIBUTION
CHAMBER(S) INV.= 98.75
CALCULATIONS:
1. Design Load: (Determned by Aspen/Pitkin Health Dept.)
A. Existing 3 -bedroom house/office
3 bedroon x 2 people x 75 gpcd= 450 gpd
b. Existing Studi) Cabins (7 total)
7 x 2 purple x 75 gpcd= 1050 gpd
Total = 1500 gpd
2. Septic Tank Sizing:
V= 1125 + 0.750
Use 2500 Gal. Septic Tank
3. Absorption Area:
A. Percolation Rite: Avg= 10.3 min/in use 11 min/in (Test Data 10/12/94)
B. Absorption Area: Average Flow = 2250 gpd
Loading Rate= 0.72 gpd /ft 2 (Pitkin County)
Credit for "Infiltrator" bed= 40% (wgcd 8/6/91)
Infiltrator Absorption Area per Unit= 18.00 ft2
A= .95 (Q) - 0.055 (Q)
5
A= 2062-82= 3980 ft2
Infiltrator Area= (0.60)(3980)= 2388 ft 2
C. Absorption Trench Layout:
Area allowed per Infiltrator Unit= 18.00 ft2
Number of units required= 2388 ft2 /18.00 ft2 = 133
Use 133 Units min.
D. Bed Layout:
9 Rows total with 15 units each= 140 units
Dimensions of Bed= 30' x 97't
REFERENCES
A. Pitkin County Board of Health: Individual Sewage Disposal
Systems Regulations.
B. Guidelines on Individual Sewage Disposal Systems
Colorado D:partment of Health
C. Design Man ral On-site Wastewater Treatment and Disposal
Systems -E1 October, 1981 - --
GENERAL NOTES:
1. MINIMUM HORIZONTAL DISTANCES BETWEEN APPURTENANCES:
A. SEPTIC TANK TO NEAREST ABSORPTION TRENCH 6 FEET
B. HOUSE TO SEPTIC TANK 5 FEET
C. PROPERTY LINE TO NEAREST ABSORPTION TRENCH 10 FEET
2. HEADER AND MAIN LINES TO BE STANDARD FOUR -INCH DIAMETER, SDR
35 D 3034 HEAVY WALL PVC PIPE, OR AS SHOWN ON DRAWINGS.
3. DISTRIBUTION SYSTEM TO BE "INFILTRATOR" CHAMBERS 3'X6 1/4'X1'
LOCATED IN STRAIGHT LINES ALONG THE LENGTH OF THE BED.
UNITS SHALL HAVE AASHTO RATING OF H-10 WITH MIN. 12" COVER.
4. UNITS SHALL BE PLACED ON LEVEL RAKED TRENCHES AND
CONSTRUCTED WITH INTERLOCKING CONNECTIONS REQUIRING (4) 1"X1/8"
SCREWS.
5. CLEANOUTS TO BE PLACED AS SHOWN ON DRAWINGS (SEE STANDARD
DETAIL).
6. ACCESS OPENING OF THE SEPTIC TANK TO BE DEVELOPED TO GRADE.
THE ACCESS COVER TO WEIGHT 75 LBS. OR BE PADLOCKED.
7. ADEQUATE VEGETATION TO BE PROVIDED OVER EXCAVATED AREA.
9. ALL INLETS/OUTLETS FROM SEPTIC TANK(S) AND DISTRIBUTION BOX TO
BE SEALED LEAK TIGHT.
i
MARTIN/MARTIN assumes no responsibility for utility locations.
The utilities shown on this drawing have been plotted from the
best available information. It is, however, the contractors
responsibility to field verify the location of all utilities prior
to th�ommycerr�IIet of any construction.
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2'X2' DISTRIBUTION
1. 51 � 30' I1.5'
PLAN VIEW- SEPTIC FIELD
N.T.S.
I'X1' DISTRIBUTION
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TYP. )
INFILTRATOR" UNITS (9)
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TRENCH SECTION
N.T.S.
42" MAX.
FARr
2" THREADED
STEEL
TRANSITION COUPLING
TO 2" SDR 21 PVC
FORCE MAIN
PLAN VIEW
NTS
LOCATE OPENING SO THAT GUIDE RAILS
MAY BE ATTACHED TO INTERIOR SURFACE
OF OPENING WHILE STILL ALLOWING
COMPLETE CLEARANCE FOR REMOVAL
OF PUMPS
1A
CHECK VALVE AND PLUG
VALVE ON VERTICAL PIPE
EACH PUMP. PROVIDE (2)- 1/2"
DRAIN HOLES WITH THREADED
PLUG BELOW CHECK VALVE
AT BOTTOM OF WETWELL AND
ABOVE PLUG VALVE.
4"VENT PIPE
W/ #16 MESH SCREEN
EXTEND 3' ABOVE GRADE
INSTALL BILCO MODEL #J-3AL
ACCESS HATCH OR EQUAL JJNCTION
2'-6"X3'-6" —� BOX (WP)
INSTALL 2 STEEL HOOKS FOR
HOLDING CHAINS WHICH WILL
HOIST PUMPS TO ACCESS
OPENING
LIFTING CHAINS
HIGH LEVEL ALARM (93.00)
LEAD & LAG PUMP -ON (87.95)
LAG PUMP ON (87.65)
LEAD PUMP ON (87.35)
PUMPS OFF (85.82)
BOTTOM EL. (84.73)
CAST -IN-PLACE
CONCRETE BASE
#4 ® 12"O.C. E, W.
PUMPS SHALL BE EBARA
50DVSAU 6.25 & 50DVSJU
6.25, 1/3 HP, 10 W/
QUICK DISCONNECT
GUIDE
RAIL
SECTION A -A
N -S
LIFT STATION
INVERT OUT (94.13)
2" ECCENTRIC PLUG
VALVE (TYP)
2" CHECK VALVE (TYP.)
SWING TYPE, LEVER &
SPRING OPERATED
4" PVC INFLUENT LINE
BAFFLED INLET INV.(93.45)
6' DIA. REINFORCED
PRECAST CONCRETE
H2O LOADING
6"
12"
GROUT FILLET (TYP)
SLOPE FLOOR 1/2"/FT
TO CENTER
NOTES
1. SCREW 1i'PF VALVE BOX TOP AND COVER.
2, SAND
3. 4" PVC PIPE
4. 2- 22 1/2' ELBOWS
5. BAC<FILL & COMPACT TO SPECIFICATIONS
6. BELL TYPE PLUG
7. WYE WITH 45' ELBOW (ALL BELL FITTINGS)
8. SEWER LINE, SEE PLAN FOR SIZE
9. END 4" PVC 3" FROM FINISH GRADE
FINICI-I rPAnl-
SEWER CLEAN-OUT DETAIL
N. T. S.
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