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MATCH EXISTING 0
- - - - - - - - - - --------4--- --
- s 45 PROPOSED INFILTRATOR UNITS
'k-1-1/2"0 PVC N1TH 1/4" 0 HOLES DRILLED
PRESSURE DOSING PIPE AT 30" O.C. HUNG IN INFILTRATOR UNITS
N.T.S.
DOSING TANK
TING 0
NATURAL GROU
USE PLASTIC WIRE TIES TO
1-1r2"0 PERFORATED PIPE IN
INFILTRATOR UNITES (TYP.)
e
GRAPHIC SCALE
( IN FEET )
I inch = 20 ft,
4" X 4`�
TREATED ELEC. JCT. BOX
POST
2" AIR VENT
RISER(S) TO
GROUND SURFACE
CAULK/SEAL WELL 2" FEEDER LINE TO
FIELD, SLOPED AT
INLET 1/8' PER FT. MIN.
` SHALL DRAIN BACK
- TO TANK AFTER
EACH PUMP CYCLE.
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13
(`1 "ALARM"
QUICK DISCONNECT
OR UNION
"ON"
WEIGHT `
loo
"OFF"
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NOTES:
COIL AND TIE AN
ADDITIONAL 10` OF
WIRE FOR PUMP
REMOVAL
SUBMERSIBLE WASTEWATER PUMP
SET PUMP APPROX.
8" OFF FLOOR
1. SWITCHES TO BE MERCURY FLOAT TYPE.
2. FLOAT SWITCH DIMENSIONS ARE BASED ON A COPELAND 1000 GAL, TANK.
(CISTERN)
3. DOSING TANK SHALL BE OF WATERTIGHT CONSTRUCTION.
4. ALARM SHALL BE BOTH AUDIBLE AND VISIBLE, LOCATED WITHIN
THE HOUSE AND ON A CIRCUIT SEPARATE FROM THE PUMP.
5. PUMP SHALL BE CAPABLE OF AT LEAST 40 GPM 0 25 FT. OF HEAD.
(ELEVATION DIFFERENCE AND PIPE LENGTHS SHALL BE FIELD MEASURED BY
CONTRACTOR AND REFERRED TO ENGINEER FOR VERIFICATION OF PUMP PARAMETERS.)
DOSING TANK ARRANGEMENT
N.T,S,
DISTRIBUTION PIPE
SOLID CAP FOR
SUPPORT 0 BOTTOM O
OF TRENCH OR BED
O
REMOVABLE CAP
- 4 - 1/2"0 HOLES
4" 0 SOLID PIPE
PLACE ADJACENT TO
DISTRIBUTION PIPE OR
THROUGH TOP OF
INFILTRATOR UNIT
4" 0 PERFORATED PIPE
WRAPPED WITH FILTER
FABRIC
COMBINATION AIR VENT 8c
INSPECTION WELL DETAIL
(TO BE INSTALLED AT THE END OF EACH ROW)
N. T, S,
BED BOTTOM LEVEL AND ROUGHENED
N.T.S.
ILI
NATURAL BACKFILL
r 12" MIN. COVER
36" MAX. COVER
FILTRATOR UNIT (TYP.)
MCMY MAP
SCALE: 1"=2000'
GENERAL NOTES
1. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE PITKIN COUNTY
REGULATIONS OF INDIVIDUAL SEWAGE DISPOSAL SYSTEMS, EVEN THOUGH
ALL SUCH REQUIREMENTS ARE NOT SPECIFICALLY NOTED ON THE DRAWINGS.
THE CONTRACTOR SHALL BE RESPONSIBLE FOR SUCH SPECIFIC DETAILS AS
ARE REFERRED TO IN THE ABOVE MENTIONED REGULATIONS.
2, FLOW FOR BED:
4 BEDROOMS * 2 PERSONS/BEDROOM * 100 GALLONS/PERSON/DAY IS:
800 GPD = AVERAGE DAILY FLOW.
DESIGN FLOW = 1.75 * AVERAGE = 1400 GPD (Q)
SEPTIC TANK:
MINIMUM TOTAL TANK SIZE:
Q * 1 DAY/24 HRS * 30 HRS = 1750 GPD
INSTALL EXISTING 2000 -GALLON TANK WITH BAFFLE
***INSTALL EFFLUENT FILTER IN SEPTIC TANK OUTLET***
STANDARD ABSORPTION AREA:
A = Q Jt O=MAXIMUM FLOW
5 t=PERCOLATION RATE = 16 min./in.
14006 = 1120 SF
5 -
USE
USE OF STANDARD INFILTRATOR UNITS IN BED CONFIGURATION:
30% REDUCTION - (1120 SF *0.70) 0 15.5 SF/UNIT, 51 UNITS REQUIRED
RECOMMEND 60 UNITS BED CONFIGURATION. EXISTING BED CONTAINS
30 UNITS IN 3x10 CONFIGURATION. THEREFORE, ADD THREE (3) MORE ROWS.
3. CLEAN OUTS ARE REQUIRED AT ALL BENDS AND AT LEAST EVERY 100
FEET ALONG THE HOUSE SEWER.
4. THE CONTRACTOR SHALL BE RESPONSIBLE FOR INSTALLING ALL
WATER TIGHT COMPONENTS, PRIOR TO THE ABSORPTION AREA,
TO PREVENT INFILTRATION,
5. TOPSOIL COVER MAY BE VARIED (WITH 1 FOOT MINIMUM) TO ALLOW
LANDSCAPING.
6. INSTALL RISERS AS NECESSARY TO BRING ALL ACCESS POINTS TO
WITHIN ONE-HALF FOOT OF FINAL GRADE,
7. LOCATIONS OF ALL COMPONENTS MAY BE VARIED AS NECESSARY AS LONG
AS ALL MINIMUM DISTANCES AND SLOPES MEET THOSE REQUIRED.
8, PROVIDE POSITIVE DRAINAGE OF SURFACE WATER AWAY FROM ABSORPTION
FIELD AREA USING DRAINAGE SWALES AS NECESSARY.
9. SOILS INFORMATION PROVIDED BY H.P. GEOTECH, INC., JOB NO, 197 479
DATED DECEMBER 10, 1997.
10. THIS DRAWING DOES NOT CONSTITUTE AN ISDS PERMIT. PERMIT MUST BE
OBTAINED FROM APPROPRIATE CITY OR COUNTY OFFICIALS.
ENGINEER MUST OBSERVE CONSTRUCTED SYSTEM BEFORE BACKFILL
AND PROVIDE REPORT TO COUNTY.
11. THIS SYSTEM IS SIZED FOR TYPICAL DOMESTIC WASTES ONLY. BACKWASH
OR FLUSHING F-OWS FOR REVERSE OSMOSIS UNITS OR WATER SOFTENERS
OR FILTERS SHOULD NOT BE INTRODUCED INTO THIS SYSTEM.
12. SITE PLAN INFORMATION FROM OTHERS.
13, INSTALL BLUEBOARD INSULATION OVER SEWER PIPE WHEREVER DEPTH IS
LESS THAN 5.0 FEET.
14. THE ENGINEER SHALL BE CONTACTED FOR SITE INSPECTION PRIOR TO
BACKFILLING OF SYSTEM COMPONENTS.
A N
15. DESIGN OF ABSORPTION BED BASED 0 PERC. RATE AND SOIL PROFILE
INDICATING 1/2 -FOOT TOPSOIL OVERLYING ANGULAR SANDSTONE FRAGMENTS
IN A CLAYEY SILTY AND MATRIX TO A PROFILE DEPTH OF 8 -FEET.
L Y S
16. EXISTING SEPTIC AND DOSING TANKS SHOULD BE PUMPED 2 DAYS PRIOR
TO CONSTRUCTION TO MINIMIZE MOISTURE LEVELS IN THE ABSORPTION FIELD
1.
C DfftAL
ABSORPTION LATERALS
ABSORPTION B®
SHALL NOT EXCEED 100
NOlEE
FEET IN LENGTH.
2.
THE BOTTOM OF EACH
ABSORPTION BED SHALL
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COIL AND TIE AN
ADDITIONAL 10` OF
WIRE FOR PUMP
REMOVAL
SUBMERSIBLE WASTEWATER PUMP
SET PUMP APPROX.
8" OFF FLOOR
1. SWITCHES TO BE MERCURY FLOAT TYPE.
2. FLOAT SWITCH DIMENSIONS ARE BASED ON A COPELAND 1000 GAL, TANK.
(CISTERN)
3. DOSING TANK SHALL BE OF WATERTIGHT CONSTRUCTION.
4. ALARM SHALL BE BOTH AUDIBLE AND VISIBLE, LOCATED WITHIN
THE HOUSE AND ON A CIRCUIT SEPARATE FROM THE PUMP.
5. PUMP SHALL BE CAPABLE OF AT LEAST 40 GPM 0 25 FT. OF HEAD.
(ELEVATION DIFFERENCE AND PIPE LENGTHS SHALL BE FIELD MEASURED BY
CONTRACTOR AND REFERRED TO ENGINEER FOR VERIFICATION OF PUMP PARAMETERS.)
DOSING TANK ARRANGEMENT
N.T,S,
DISTRIBUTION PIPE
SOLID CAP FOR
SUPPORT 0 BOTTOM O
OF TRENCH OR BED
O
REMOVABLE CAP
- 4 - 1/2"0 HOLES
4" 0 SOLID PIPE
PLACE ADJACENT TO
DISTRIBUTION PIPE OR
THROUGH TOP OF
INFILTRATOR UNIT
4" 0 PERFORATED PIPE
WRAPPED WITH FILTER
FABRIC
COMBINATION AIR VENT 8c
INSPECTION WELL DETAIL
(TO BE INSTALLED AT THE END OF EACH ROW)
N. T, S,
BED BOTTOM LEVEL AND ROUGHENED
N.T.S.
ILI
NATURAL BACKFILL
r 12" MIN. COVER
36" MAX. COVER
FILTRATOR UNIT (TYP.)
MCMY MAP
SCALE: 1"=2000'
GENERAL NOTES
1. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE PITKIN COUNTY
REGULATIONS OF INDIVIDUAL SEWAGE DISPOSAL SYSTEMS, EVEN THOUGH
ALL SUCH REQUIREMENTS ARE NOT SPECIFICALLY NOTED ON THE DRAWINGS.
THE CONTRACTOR SHALL BE RESPONSIBLE FOR SUCH SPECIFIC DETAILS AS
ARE REFERRED TO IN THE ABOVE MENTIONED REGULATIONS.
2, FLOW FOR BED:
4 BEDROOMS * 2 PERSONS/BEDROOM * 100 GALLONS/PERSON/DAY IS:
800 GPD = AVERAGE DAILY FLOW.
DESIGN FLOW = 1.75 * AVERAGE = 1400 GPD (Q)
SEPTIC TANK:
MINIMUM TOTAL TANK SIZE:
Q * 1 DAY/24 HRS * 30 HRS = 1750 GPD
INSTALL EXISTING 2000 -GALLON TANK WITH BAFFLE
***INSTALL EFFLUENT FILTER IN SEPTIC TANK OUTLET***
STANDARD ABSORPTION AREA:
A = Q Jt O=MAXIMUM FLOW
5 t=PERCOLATION RATE = 16 min./in.
14006 = 1120 SF
5 -
USE
USE OF STANDARD INFILTRATOR UNITS IN BED CONFIGURATION:
30% REDUCTION - (1120 SF *0.70) 0 15.5 SF/UNIT, 51 UNITS REQUIRED
RECOMMEND 60 UNITS BED CONFIGURATION. EXISTING BED CONTAINS
30 UNITS IN 3x10 CONFIGURATION. THEREFORE, ADD THREE (3) MORE ROWS.
3. CLEAN OUTS ARE REQUIRED AT ALL BENDS AND AT LEAST EVERY 100
FEET ALONG THE HOUSE SEWER.
4. THE CONTRACTOR SHALL BE RESPONSIBLE FOR INSTALLING ALL
WATER TIGHT COMPONENTS, PRIOR TO THE ABSORPTION AREA,
TO PREVENT INFILTRATION,
5. TOPSOIL COVER MAY BE VARIED (WITH 1 FOOT MINIMUM) TO ALLOW
LANDSCAPING.
6. INSTALL RISERS AS NECESSARY TO BRING ALL ACCESS POINTS TO
WITHIN ONE-HALF FOOT OF FINAL GRADE,
7. LOCATIONS OF ALL COMPONENTS MAY BE VARIED AS NECESSARY AS LONG
AS ALL MINIMUM DISTANCES AND SLOPES MEET THOSE REQUIRED.
8, PROVIDE POSITIVE DRAINAGE OF SURFACE WATER AWAY FROM ABSORPTION
FIELD AREA USING DRAINAGE SWALES AS NECESSARY.
9. SOILS INFORMATION PROVIDED BY H.P. GEOTECH, INC., JOB NO, 197 479
DATED DECEMBER 10, 1997.
10. THIS DRAWING DOES NOT CONSTITUTE AN ISDS PERMIT. PERMIT MUST BE
OBTAINED FROM APPROPRIATE CITY OR COUNTY OFFICIALS.
ENGINEER MUST OBSERVE CONSTRUCTED SYSTEM BEFORE BACKFILL
AND PROVIDE REPORT TO COUNTY.
11. THIS SYSTEM IS SIZED FOR TYPICAL DOMESTIC WASTES ONLY. BACKWASH
OR FLUSHING F-OWS FOR REVERSE OSMOSIS UNITS OR WATER SOFTENERS
OR FILTERS SHOULD NOT BE INTRODUCED INTO THIS SYSTEM.
12. SITE PLAN INFORMATION FROM OTHERS.
13, INSTALL BLUEBOARD INSULATION OVER SEWER PIPE WHEREVER DEPTH IS
LESS THAN 5.0 FEET.
14. THE ENGINEER SHALL BE CONTACTED FOR SITE INSPECTION PRIOR TO
BACKFILLING OF SYSTEM COMPONENTS.
A N
15. DESIGN OF ABSORPTION BED BASED 0 PERC. RATE AND SOIL PROFILE
INDICATING 1/2 -FOOT TOPSOIL OVERLYING ANGULAR SANDSTONE FRAGMENTS
IN A CLAYEY SILTY AND MATRIX TO A PROFILE DEPTH OF 8 -FEET.
L Y S
16. EXISTING SEPTIC AND DOSING TANKS SHOULD BE PUMPED 2 DAYS PRIOR
TO CONSTRUCTION TO MINIMIZE MOISTURE LEVELS IN THE ABSORPTION FIELD
1.
C DfftAL
ABSORPTION LATERALS
ABSORPTION B®
SHALL NOT EXCEED 100
NOlEE
FEET IN LENGTH.
2.
THE BOTTOM OF EACH
ABSORPTION BED SHALL
BE LEVEL.
3.
DRAINAGE SWALES ARE
TO BE PROVIDED ABOVE
AND AROUND BED, AS
NECESSARY, TO PREVENT SURFACE RUNOFF FROM ENTERING ABSORPTION AREA.
4, BED LATERALS SHALL FOLLOW CONTOURS.
5. INSTALL INFILTRATOR IN ACCORDANCE WITH MANUFACTURER'S RECOMMENDATIONS
6. BED BOTTOM AND SIDEWALLS MUST BE RAKED TO REMOVE SOIL SMEARS
INCURRED DURING EXCAVATION,
7. NO EXCAVATION OF ABSORPTION FIELD IS TO BE DONE DURING WET WEATHER
AND USE OF RUBBER TIRE VEHICLES OVER ABSORPTION AREA IS PROHIBITED
8. UNSUITABLE MATERIAL EXISTING WITHIN THE BED SHALL BE EXCAVATED AND
BACKFILL SHALL CONSIST OF ONSITE SELECT OR PIT -RUN MATERIAL.
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98004.21A
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