HomeMy WebLinkAbout41 Jerusha septic planLEGEND
99 -
EXISTING CONTOUR
X 99.1
EXIST. SPOT ELEV.
-[991-
PROPOSED CONTOUR
198.41
PROPOSED SPOT EL.
TH1
TEST HOLE
2%
SLOPE OF GROUND
C-Q-)
UTILITY POLE
FIRE HYDRANT
NOTE: NOT ALL SYMBOLS MAY APPEAR IN DRAWING
SYSTEM DESIGN:
SYSTEMPROFILE
( Q SCALE)
f- MARK CORNERS OF
LEACHING = E-w 10V/
ACCESS COVERS TO WITHIN 6" OF FIN. GRADE
{ REBAR SET 4' BELOW INSPECTION PORT
(SEE DETAIL)
TOP FNDN.
EL. 15.5'
GRADE
\
11 2% SLOPE
*THE INSTALLER SHALL VERIFY THE
14.0'1 MINIMUM .75'
OF COVER OVER PRECAST
FILTER FABRIC --
-C: '
LOCATIONS OF ALL UTILITIES AND ALL
PRECAST H-10
RISERS (TYP.)
WATERTEST O BOX
`
13 5'
.7,8' =iN!SHED GRADE- 4"
, '
LOAM & SEED OR PAVE AS REQ.
BUILDING SEWER OUTLETS AND
2'0
FOR LEVELNESS 4"OSCH40 PVC
ELEVATIONS PRIOR TO INSTALLING ANY
PIPES LEVEL 1ST 2'
PORTION OF SEPTIC SYSTEM
a�
*12.25't
10° 1500 GAL H-10 14"
12.05'
TEE SEPTIC TANK TEE
4" P�`� �' o.C. S=O.D05I
0
'
SLAB EL.
7.5'f
GAS BAFFLE,::
3/4"-1-'/2" DOUBLE 'WASHED
°
°
�:
4' LIQ. LEVEL {ACME OR EQUAL),;
11.7'
11.53'
8" STONE LEACHINGFIELD
°
6"DEPTH MIN BELOW INV.
47
11.45
LEVEL BOTTOM
0
11.3
DUE TO
HIGH
GROUNDWATER
•°paQ°Q°9°°°�°�°�°;°;°0°0°�°�°O°O°O°Q°ODO
°°°°°°'°°°°°°°°•
,
CONDITIONS A
FOUNDATION
DRAIN IS
RECOMMENDED.
6" CRUSHED STONE OR MECHANICAL
30 0"
COMPACTION. (15.221 [21)
10. a'
( % SLOPE) MIN. (--!-X SLOPE) ( 1 %SLOPE)
FOUNDATION-
10' SEPTIC TANK 10' D' BOX 10'
LEACHING
FACILITY
GARBAGE DISPOSER IS NOT ALLOWED
EXISTING 3 BR DWELLING
PROPOSED 3 BR DWELLING
DESIGN FLOW: 3 BEDROOMS ® 110 GPD = 330 GPD
USE A 330 GPD DESIGN FLOW
SEPTIC TANK: 330 GPD (2) = 660
USE A 1500 GAL. H-10 SEPTIC TANK
LEACHING:
330 GPD (.74) = 446 SF REQUIRED
15' X 30' = 450 SF OK
450 SF X .74 = 333 GPD OK
USE A 15' X 30' PIPE AND STONE LEACHING FIELD
BICE ##21-298
ADJ. G.W. EL.= 5.8'
REMOVE
EXISTING
DRIVEWAY
wx 11
A E D L
JER US A
S84,193
Ili
L�j X
ON
O
_DRIVE 2 [11 21 t
PROPOSED STONE TAININ W�
o
Tnp WAI I P 1 5' 1� ¢LL x 12 13 , nJ LOT 52
16,133 S.F.
PORCH
[ 13.5] . .
PROP()"S'Ep y 1
Q
D
,NG TOP
15.5'
.> =I GARAGE
SLAB
PROP D
50' r I w
.. � DRIVE
:. E AY
5
CIO
k v /
r
cv HED
0 tis
,f �� TH1 D co
�.
SHED �^
APPROXIMATE
SEPTIC
SHED X o U
0
V k BENCHMARK:
\�� \ 5' REMOVAL OF UNSUITABLEH YD. TAG BOLT
SOIL REQUIRED Y =15.2 NAVD88
AROUND PERIMETER OF LEACHING FACILITY, -7
DOWN TO SUITABLE SOIL LAYER. REPLACE
O WITH CLEAN MED. SAND TO MEET
SPECIFICATIONS OF 310 CMR 15.255(3) O
o
O
O
O
r
If )
E
VARIANCE REQUESTED:
UNDER TOWN OF YARMOUTH HEALTH REGULATIONS:
REDUCTION IN GROUNDWATER ADJUSTMENT:
USE 1.0' OF THE OCTOBER '21 2.0' ADJUSTMENT
NOTES
1. DATUM IS NAVD 88
2. MUNICIPAL WATER IS EXISTING
3. MINIMUM P!PE PITCH TO BE 1/8` PER FOOT.
4. DESIGN LCADING FOR ALL PROPOSED PRECAST UNITS
TO BE AASI-C H-M
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 (1-888-344-7233) AND VERIFYING THE
LOCUS MAP
LOCATION OF ALL UNDERGROUND do OVERHEAD UTILITIES
PRIOR TO COMMENCEMENT OF WORK. SCALE 1 "=2000't
11. ANY UNSUITABLE MATERIAL ENCOUNTERED SHALL BE ASSESSORS MAP 31 PARCEL 207
REMOVED BENEATH AND 5' AROUND THE PROPOSED
LEACHING FACILITY. LOCUS IS WITHIN FEMA FLOOD ZONE X
12. EXISTING LEACHING FACILITY SHALL BE PUMPED AND (AREA OF MINIMAL FLOOD HAZARD) AND
REMOVED OR PUMPED AND FILLED WITH CLEAN SAND. ZONE AE (EL. 11) AS SHOWN ON COMMUNITY
PANEL ##25001 C0588J DATED 7/16/2014
UNSUITABLE
SOIL
ZONING SUMMARY
ZONING DISTRICT: R-25
DISTRICT
EXISTING
PROPOSED
MIN. LOT SIZE
25,000 S.F.
16,133 S.F.
16,133 S.F
MIN. LOT FRONTAGE
150'
129.74'
129.74'
MIN. FRONT SETBACK
30'
39.0'
30.5'
MIN. SIDE SETBACK
15'
15.5'
15.4'
MIN. REAR SETBACK
20'
-
-
MAX. BUILDING COVERAGE
25%
9.4%
16.1%
MAX. BUILDING HEIGHT
35'
-
22'f
TEST HOLE LOGS
ENGINEER: CRAIG
J. FERRARI, SE
# 13871
WITNESS: PHIL RENAUD
DATE: 10/21 /21
PERC. RATE _
< 2 MIN/INCH
CLASS I
SOILS
ELEV.
ELEV.
0"
12.3' 0"
12.5'
A
A
/LS
BLS
1OYR 3/2
10YR 3/2
18°
12»
/
B
B
�LS
BLS
„ 1OYR 6/8
36 ;//ii
9.3 30"
10YR 6/8
/ / / 10.0'
PERC C C
MS MS
2.5Y 7/4 2.5Y 7/4
GROUNDWATER ADJ. DATA:
WELL: MIW 29
ZONE: B
ADJUSTMENT: 2.0' (OCTOBER)
108" 1 1 3.3' 108" 3.5'
GROUNDWATER ENCOUNTERED AT 90" EL. 4.8'
PREPARED FOR
DOREEN MCNEILL
Zz- z L
L
DATE: DECEMBER 7, 2021
�0NOFMASS �yZHOFMIN
DATE: APRIL 22, 2022 (SEPTIC PROFILE)
� DANIELA.
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DATE: 6-22-22 (HOUSE CHANGES)
o OJALA
CIVIL
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No. 46502
No. 40980
Ir
Scale: 1 "= 20'
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No. 409i30
off 508-362-4541
No.46502 c -;
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fax 508-362-9880
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civil engineers
land surveyors
DATE DANIEL A. OJALA,
P.E., P.L.S.
939 Main Street Rte 6A
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YARMOUTHPORT MA 02675
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