HomeMy WebLinkAboutOWTS Design Revision 10.20.2023GRAPHIC SCALE
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NOTES:
1. PROFILE PITS WERE EXCAVATED BY OWNER DURING SEPTEMBER, 2022.
2. NO FREE WATER WAS ENCOUNTERED IN THE PITS AT THE TIME OF THE SOILS EVALUATION.
3. SOIL SAMPLES WERE FIELD EVALUATED AND CLASSIFIED BY COUNTRY ENGINEERING INC.
ON
SEPTEMBER 22, 2022. BY VISUAL AND TACTILE METHODS ESTABLISH BY THE U.S.
DEPARTMENT OF AGRICULTURE AND THE NATURAL RESOURCE CONSERVATION SERVICE.
TOP S00.5 AND
NANRAL BACKFILL
OVER 1MOMS
12" WN. COwe
48' MAx DDwe
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I 1 12"
t f
NMW
srANDAIeD
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I-38'
liffNCH A!q FNOe
"D Bay ED
TRENCH
AND RW p1ENED
CROSS SECTION
N. T. S.
FIN
4" COU
4" SEWER
4
RISER
" 45' SWEEP BEND
4"x4"x4"-�
PVC WYE
SEWER CLEAN OUT DETAIL
N.T.S.
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PARCEL No.
co
217909407733
30' RISING SUN DITCH EASEMENT
\
BOOK 1456, PAGE 961, 973 & 989
DT H
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5
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INSTALL 240 STANDARD QUICK 4 PLUS INFILTRATOR
30' HOLY CROSS ENERGY
/ /
'
CHAMBERS IN 10 ROWS OF 24 EACH WITH END CAPS
RIGHT-OF-WAY
/
-- ""
INSTALL END CAPS WITH 4"0 PVC INSPECTION
RECEPTION NO. 919375
/ / / / ° ""
/
/ /'
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PORTS AND CAPS AT BOTH ENDS OF EACH
CHAMBER ROW, FLUSH OR ABOVE GRADE (TYPICAL)
z'Y
GRADE SWALE TO INTERCEPTYND
/
DIVERT STORM WATER RUNOF
j
RADE SWALE TO INTERCEPT AND
VERT STORM WATER RUNOFF
LF 4" PVC 2% MIN. EFFLUENT LINE, FITTINGS, LONG SWEEP BENDS
F 4" PVC 0 2% MIN. EFFLUENT LINE, FITTINGS, LONG SWEEP BENDS
96'LF
4" PVC 0 2% MIN. EFFLUENT LNE, FITTINGS, LONG SWEEP BENDS
LF 4" PVC 0 2% MIN. EFFLUENT LINE FITTINGS, LONG SWEEP BENDS
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SANITERY SEWER -
PROFILE PIT
SEE PLUMB. PLANS
777777777
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PRO-1
ELEV:5431f
PROPOSED
RESIDENCE
3 BEDROOMS w
(SEE ARCH. PLANS)
LOT 2
RUIZ MINOR SUBDIVISION
G "Q
50 LF 4" PVC 0 27 MIN. EFFLUENT LINE, FITTINGS, LONG SWEEP BENDS
40 LF 4" PVC 0 2% MIN. EFFLUENT LINE, FITTINGS, LONG SWEEP BENDS
30 LF 4" PVC 0 2% MIN. EFFLUENT LINE, FITTINGS, LONG SWEEP BENDS
20 LF 4" PVC 0 2% MIN. EFFLUENT LINE, FITTINGS, LONG SWEEP BENDS
10 LF 4" PVC 0 2% MIN. EFFLUENT LINE, FITTINGS, LONG SWEEP BENDS
10 LF 4" PVC 0 27 MIN. EFFLUENT LINE, FITTINGS, LONG SWEEP BENDS
=RALO 12-HOLE DISTRIBUTION BOX BOX12 WITH, GASKET, FLOW
EQUALIZERS, FRR 12" RISER, AND LIIDFLUSH NTH FINISH GRADE l
35 LF 4" PVC EFFLUENT LINE 0 2% MIN. �' I
1,500 GALLON 2 COMPARTMENT TANK, 24" RISERS, COVERS
FLUSH WITH FINISH GRADE AND EFFLUENT FILTER
I i
i 25 LF 4" ,PVC INFLUENT LINE 0 2% MIN.
i• \
45 LF 4" PVC EFFLUENT LINE 0 2% MIN.
4"0 PVC LONG SWEEP 90" ELBOW'
EXISTING WELL (APPROXIMATE LOCATION)
VIERFY LOCATION PRIOR TO CONSTRUCTION
INSTALL SEWAGE GRINDER EJECTOR PUMP IN
CRAWL SPACE / BASEMENT IF NECESSARY \
LOT 3
RUIZ MINOR SUBDIVISION
30' ACCESS EASEMENT
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z PARCEL No.
217910300001
Ur_I1r.n/AL IVV 1 co
1. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH GARFIELD COUNTY PUBLIC
HEALTH AGENCY ON -SITE WASTEWATER TREATMENT SYSTEM REGULATIONS, EVEN
THOUGH ALL SUCH REQUIREMENTS ARE NOT SPECIFICALLY NOTED ON THIS
DRAWING. THE CONTRACTOR SHALL BE RESPONSIBLE FOR SUCH SPECIFIC DETAILS
AS ARE REFERRED TO IN THE ABOVE MENTIONED REGULATIONS.
2. SYSTEM DESIGN FLOWS:
PROPOSED RESIDENCE: 3 BEDROOMS
FUTURE RESIDENCE: 2 BEDROOMS
TOTAL 5 BEDROOMS
DESIGN FLOW: 600 GAL/DAY TABLE 6-1
PROPOSED SEPTIC TANK MATERIAL: REINFORCED CONCRETE
MINIMUM SEPTIC TANK CAPACITY: 1,500 GALLONS TABLE 9-1
SOIL TYPE: 4A TACTILE EVALUATION TABLE 10-1
TREATMENT LEVEL: TL1
PROPOSED TREATMENT SYSTEM: CHAMBERS IN TRENCH CONFIGURATION
METHOD OF EFFLUENT APPLICATION: GRAVITY
LONG TERM ACCEPTANCE RATE (LTAR): 0.15 GAL/DAY/SQ. FT. TABLE 10-1
REQ'D SOIL TREATMENT AREA:A= 600 GPD =4,000 SQ. FT. FORMULA 43.10.C.4
0.15 GPD/S.F.
SIZE ADJUSTMENT FACTOR FOR APPLICATION METHOD: 1.0 TABLE 10-2
SIZE ADJUSTMENT FACTOR FOR DISTRIBUTION MEDIA: 0.7 TABLE 10-3
ADJUSTED SOIL TREATMENT AREA: A= 4,000 SQ. FT. x 0.7 = 2,800 SQ. FT.
MINIMUM NUMBER OF CHAMBERS: 2,800 S.F. _
12 S.F./CHAMBER - 234 CHAMBERS
INSTALL 240 STANDARD INFILTRATOR QUICK 4 PLUS CHAMBERS
IN 10 PARALLEL TRENCH CONFIGURATION OF 24 CHAMBERS EACH, AS SHOWN.
3. TOPSOIL- SOIL EXCAVATED FROM SITE ACCEPTABLE IF NO CLAY IS PRESENT.
4. VEHICULAR TRAFFIC IS PROHIBITED ON THE TANK AND ON THE FIELD.
5. CLEANOUTS ARE REQUIRED AT ALL BENDS AND AT LEAST EVERY 150
FEET ALONG THE EFFLUENT LINE.
6. INSTALL RISERS AS NECESSARY TO BRING ALL ACCESS POINTS AT OR ABOVE
THE FINAL GRADE.
7. LOCATIONS OF ALL COMPONENTS MAY BE VARIED AS NECESSARY AS LONG
AS ALL MINIMUM DISTANCES AND SLOPES MEET THOSE REQUIRED.
S. PROVIDE POSITIVE DRAINAGE OF SURFACE WATER AWAY FROM
ABSORPTION AREA USING DRAINAGE SWALES AS NECESSARY.
9. THE CONTRACTOR SHALL VERIFY ALL DEPTHS, SLOPES AND CLEARANCES FROM
THE PROPOSED HOME, WELLS AND STRUCTURES, PRIOR TO CONSTRUCTION.
10. THIS DRAWING DOES NOT CONSTITUTE AN OWTS PERMIT. PERMIT MUST
BE OBTAINED FROM APPROPRIATE COUNTY OFFICIALS.
11. THIS SYSTEM IS SIZED FOR TYPICAL DOMESTIC WASTES ONLY. BACKWASH OR
FLUSHING FLOWS FOR REVERSE OSMOSIS UNITS OR WATER SOFTENERS OR
FILTERS SHOULD NOT BE INTRODUCED INTO THIS SYSTEM.
12. SEPTIC TANK SHALL HAVE RISES OVER EACH ACCESS MANHOLE AND ALL RISERS
SHALL EXTEND TO OR ABOVE FINAL GRADE.
13. THE OWNER SHALL VERIFY ADEQUATE SEPARATION DISTANCES FROM THE SYSTEM,
TO ALL ADJACENT WELLS, PRIOR TO CONSTRUCTION.
14. THE APPLICANT OR LICENSED INSTALLER SHALL NOTIFY THE COUNTY AND THE
ENGINEER NO LESS THAN TWO BUSINESS DAYS IN ADVANCE TO SCHEDULE A
FINAL FIELD INSPECTION OF THE SYSTEM, PRIOR TO BACKFILLING THE SYSTEM.
15. THE APPLICANT OR LICENSED INSTALLER SHALL PROVIDE AN AS -BUILT
DRAWING OF THE SYSTEM TO THE COUNTY AND ENGINEER, UPON COMPLETION.
16. PLACE 2" BLUE BOARD INSULATION ABOVE ALL PIPES WHENEVER DEPTH IS LESS
THAN FROST DEPTH.
17. ALL SEWER LINES SHALL BE 4-INCH DIAMETER POLYVINYL CHLORIDE (PVC)
SCHEDULE 40, AND SHALL BE INSTALLED WITH MINIMUM SLOPES NO LESS THAN 2%.
18. THE SURVEY SHOWN HEREON WERE OBTAINED FROM THE "RUIZ SITE PLAN" AS
PREPARED BY BOOK CLIFF SURVEY SERVICES INC, DATED 11/13/20.
19. TOPOGRAPHIC CONTOUR INFORMATION FROM AERIAL MAPPING CIRCA. 2020.
20. PROPOSED LAYOUT OF THE SITE OBTAINED FROM OWNERS ON 9/15/22.
ABSORPTION TRENCH NOTES
1. ABSORPTION TRENCH LATERALS SHALL NOT EXCEED 100 FEET IN LENGTH.
2. THE BOTTOM OF THE ABSORPTION TRENCHES SHALL BE LEVEL.
3. DRAINAGE DITCHES ARE TO BE PROVIDED ABOVE AND AROUND TRENCH, AS
NECESSARY, TO PREVENT SURFACE RUNOFF FROM ENTERING ABSORPTION AREA.
4. ABSORPTION TRENCH BOTTOM AND SIDEWALLS MUST BE RAKED TO REMOVE SOIL
SMEARS INCURRED DURING EXCAVATION.
5. NO EXCAVATION OF ABSORPTION FIELD IS TO BE DONE DURING WET WEATHER
AND USE OF RUBBER TIRE VEHICLES OVER TRENCH AREA IS PROHIBITED TO
MAINTAIN GOOD SOIL STRUCTURE.
6. UNSUITABLE MATERIAL EXISTING WITHIN THE TRENCH SHALL BE EXCAVATED AND
BACKFILL SHALL CONSIST OF ONSITE SELECT OR PIT -RUN MATERIAL.
7. CONTRACTOR SHALL INSTALL 4 INCH DIAMETER SCHEDULE 40 PVC INSPECTION
PORTS AND CAPS AT BOTH ENDS OF EACH ROW OF CHAMBERS, IN ACCORDANCE
WITH THE MANUFACTURER'S INSTALLATION GUIDELINES.
8. CONTRACTOR SHALL SNAP OFF THE MOLDED SPLASH PLATES LOCATED AT
THE BOTTOM OF THE END CAPS, AND INSTALL THE SPLASH PLATES AT
THE APPROPRIATE SLOTS BELOW THE INLETS IN ACCORDANCE WITH THE
MANUFACTURER'S INSTALLATION GUIDELINES.
9. CONTRACTOR SHALL ALIGN THE CHAMBER ROWS PARALLEL WITH THE
THE CONTOURS OF THE EXISTING TERRAIN. THE CONTRACTOR MAY CURVE
THE ALIGNMENT OF THE CHAMBER ROW, AS NECESSARY. IN ACCORDANCE
WITH THE MANUFACTURER'S INSTALLATION GUIDELINES.
10. CONTRACTOR SHALL PROVIDE AND VERIFY A MINIMUM 4 FEET OF DEPTH, OR
GREATER FROM THE BOTTOMS OF INSTALLED CHAMBERS TO CONFINING BEDROCK.
11. CONTRACTOR SHALL PROVIDE AND VERIFY A MINIMUM 12 INCHES OF COVER, OR
GREATER FROM THE TOPS OF INSTALLED CHAMBERS TO FINISH GRADE.
12. CONTRACTOR SHALL CONNECT THE 4 INCH DIAMETER PVC THE DISTRIBUTION
LATERAL PIPES AT THE MOLDED CIRCULAR BLOCK OUTS. WHICH ARE SITUATED
8 INCHES ABOVE THE BOTTOMS OF THE STANDARD QUICK 4 PLUS CHAMBER
END CAPS, IN ACCORDANCE WITH THE MANUFACTURER'S INSTALLATION GUIDELINES.
13. DISTRIBUTION BOX, ROTO-FLOW WEIRS, RISERS, AND LID SHALL BE: # DBOX12
A HIGH DENSITY POLYETHELINE ASSEMBLY MANUFACTURED BY FRALO, AND
DISTRIBUTED BY VALLEY PRECAST INC. OR, EQUAL.
FINL
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PROJECT NO.
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OWTS - 01
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