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--- 99 -
EXISTING CONTOUR
X 99.1
EXIST. SPOT ELEV.
---[99] --
PROPOSED CONTOUR
198.4]
PROPOSED SPOT EL.
TH1
0
TEST HOLE
20/.-
SLOPE OF GROUND
C71)
UTILITY POLE
FIRE HYDRANT
NOTE NOT ALL SYMBOLS MAY APPEAR IN DRAWING
DC'E #24-135
SYSTEM DESIGN:
GARBAGE DISPOSER IS NOT ALLOWED
EXISTING 3 BEDROOM DWELLING
DESIGN FLOW: 3 BEDROOMS ® 110 GPD = 330 GPD
USE A 330 GPD DESIGN FLOW
SEPTIC TANK: 330 GPD (2) = 660
**RE -USE EXISTING 1000 GAL. SEPTIC TANK
LEACHING:
330 GPD (.74) = 446 SF REQUIRED
10' X 45' = 450 SF OK
450 SF X .74 = 333 GPD OK
USE A 10' X 45' PIPE AND STONE LEACHING FIELD
5' REMOVAL OF UNSUITABLE
SOIL REQUIRED AROUND
PERIMETER OF LEACHING
FACILITY, DOWN TO SUITABLE
SOIL LAYER. REPLACE WITH
CLEAN MED. SAND, TO MEET
SPECIFICATIONS OF 310 CMR
15.255(3)
SYSTEM PROFILE
(NOT TO SCALE)
29.3' MINIMUM .75' OF COVER OVER PRECAST 2% SLOPE REQUIRED OVER SYSTEM
28,28'
U low NG 14"
TEE SEPTIC TANK** TEE
ZABEL FILTER (A10O)
OUTLET TEE W/EXTENSI
**INSTALLER SHALL CONFIRM MINIMUM SEPTIC
TANK SIZE AT 1000 GALLONS AND ITS
SUITABILITY FOR RE -USE. REPLACE WITH
1500 GALLON SEPTIC TANK APPROPRIATE TO
SITE CONDITIONS IF NOT SUITABLE
FOUNDATION EXIST. SEPTIC TANK
*THE INSTALLER SHALL VERIFY THE
LOCATIONS OF ALL UTILITIES AND ALL
BUILDING SEWER OUTLETS AND
ELEVATIONS PRIOR TO INSTALLING ANY
PORTION OF SEPTIC SYSTEM
.95'
4-OSCH40 PVC
PIPES LEVEL 1ST 2' C
C
WATERTEST D'BOX
°°o FOR LEVELNESS
26.58' 6.41' 26'
6" CRUSHED `;TONE OR MECHANICAL
COMPACTION. (15.221 [21)
MARK CORNERS OF
LEACHING FIELD W/
REBAR SET 4" BELOW INSPECTION PORT
GRADE 2% SLOPE
FILTER FABRIC
TOP 26.66 FINISHED GRADE- REPLACE EXISTING GRAVEL DRIVE
28.®'
CLEAN FILL
DOUBLE4" PERFORATED PVC 4! O.C. S=0.005
6"DEPTH MIN
•
:STONE LEACHING FIELD•
LEVEL BOTTOM
(_IJ% SLOPE) (_1% SLOPE)
20' D' BOX 8' LEACHING
FACILITY
VARIANCES REQUESTED:
UNDER MAX. FEASIBLE: COMPLIANCE 15.405:
(lb): REDUCTION IN SETBACK, SAS TO FOUNDATION (20' TO 18.9')
(1h): REDUCTION IN SEPARATION TO G-W (5' TO 4')
FA i Li`
ROOM
KITCHEN LIVING
ROOM
DINING
ROOM
BATH I BED
ROOM IROOM
.�� : E D
'O•
45.0'
25.60'
4.00' ---�
ADJUSTED GROUNDWATER EL. 21.6'
NOTES
1. DATUM IS NAVD 88
2. MUNICIPAL WATER IS EXISTING
3. MINIMUM PIPE PITCH TO BE 1/8" PER FOOT.
4. DESIGN LOADING FOR ALL PROPOSED PRECAST UNITS
TO BE AASHO H-I(
5. PIPE JOINTS TO BE MADE WATERTIGHT.
6. CONSTRUCTION DETAILS TO BE IN ACCORDANCE WITH
310 CMR 15.000 (TITLE 5.)
7. THIS PLAN IS FOR PROPOSED WORK ONLY AND NOT TO
BE USED FOR LOT LINE STAKING OR ANY OTHER
PURPOSE.
8. PIPE FOR SEPTIC SYSTEM TO SCH. 40-4" PVC.
9. COMPONENTS NOT TO BE BACKFILLED OR CONCEALED
WITHOUT INSPECTION BY BOARD OF HEALTH AND
PERMISSION OBTAINED FROM BOARD OF HEALTH.
10. CONTRACTOR SHALL BE -RESPONSIBLE FOR CALLING
DIGSAFE (811) AND VERIFYING THE LOCATION OF ALL
UNDERGROUND & OVERHEAD UTILITIES PRIOR TO
COMMENCEMENT OF WORK.
11. ANY UNSUITABLE MATERIAL ENCOUNTERED SHALL BE
REMOVED BENEATH AND 5' AROUND THE PROPOSED
LEACHING FACILITY.
12. EXISTING LEACHING FACILITY SHALL BE PUMPED AND
REMOVED OR PUMPED AND FILLED WITH CLEAN SAND.
13. OWNER'S ENGINEER TO PERFORM INSPECTIONS OF
THE FINAL INSTALLATION. MINIMUM OF 24 HOURS NOTICE
REQUIRED.
14. EXISTING 1000 GAL. SEPTIC TANK TO REMAIN
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LOCUS MAP
SCALE 1 "=2000'f
ASSESSORS MAP 63 PARCEL 6
LOCUS IS WITHIN FEMA FLOOD ZONE X
(AREA OF MINIMAL FLOOD HAZARD) AS
SHOWN ON COMMUNITY PANEL #25001CO567J
DATED 7/16/2014
SITE IS WITHIN STATE DESIGNATED NSA
TEST HOLE LOGS
ENGINEER: DANIEL E. GONSALVES, SE #13587
WITNESS: BARRY LEWIS
DATE: 6/6/2024
PERC. RATE _ < 2 MIN/INCH
CLASS I SOILS
ELEV.
28.0'
A
LS
10YR 3/2
691
B
LS
1OYR 5/6�
26" / / / / 25.8'
C1
M/CS ® UNSUITABLE SOIL
2.5Y 6/4
VEA D G-W ADJ. DATA:
1�.,� WELL: Al W--231
i�i�q.i Date ZONE: E
ADJ: 2.1'
MAY 2024
120" 18.0'
GROUNDWATER ENCOUNTERED AT 102" EL. 19.5
U I T L EmEm 5 S I TEmm L A 3!
PREPARED FOR
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S;S�10�NAL ENG r° 1FFss�o`' RECEIVED DUNE 13, 2024
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JUL 1 1 2024
Scale:1 "= 20'
HEALTH DEPT. --
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land surveyors
939 Main Street ( Rte 6A) SURVEY: NHO
DATE DANIEL A. OJALA, P.E., P.L.S. YARMOUTHPORT MA 02575 DRAFTED BY: PTT
CHECKED 8Y:
24-135 BORTOLOTT-OBRIEN-CLARK.DWG