HomeMy WebLinkAboutEngineer PlanSYSTEM PROFILE
SYSTEM DESIGN:
(NOT TO SCALE)
PROVIDE MIN. 20" DIAM. WATERTIGHT -
„
MARK CORNERS OF
LEACHING FIELD PROVIDE INSPECTION PORTS TO
GARBAGE DISPOSER IS NOT ALLOWED
ACCESS COVERS TO WITHIN 6 OF FIN. GRADE
EL WITHIN 3" OF FINISH GRADE
REBAR SET 4" BELOW
EXISTING 4 BEDROOM DWELLING
TOP FOUND. EL. 11.7'
GRADE 23 SLOPE
PROPOSED 4 BEDROOM DWELLING
\
11.0'
MINIMUM .75
OF COVER OVER PRECAST
FILTER FABRIC —~
-
DESIGN FLOW: 4 BEDROOMS 0 110 GPD - 440 GPD
TOP 7.60'
10.0 FINISHED GRADE- 4" LOAM & SEED OR PAVE AS REQ.
—
USE A 440 GPD DESIGN FLOW
PRECAST H-10
RISERS (TYP.)
20
4>'DSCH40 PVC
6' MIN. SUMP
PIPES LEVEL 1ST 2'
CLEAN FILL
SEPTIC TANK: 440 GPD (2) = $80
12" MIN. INT. DIM.
'
4' PERFORATED PVC 5' O.C. S=0.005 —'�'
0
6"DEPTH
*g.p'
10" 1500 GAL H-10 14j
°
MIN
USE A 1500 GAL. SEPTIC TANK
8.29
TEE- SEPTIC TANK TE
8.04
3/4"-1-1/2" DOUBLE WASHED
°
BELOW
ono 0 0 0
o X T 0 T DB ° ° ° ° ° ° WATER ESLEACHING.
IN FIELDiNV.
9" STONE LEACHING
°
GAS BAFFLE"
'Oa�°?a°g°���° FOR LEVELNESS
7.25
LEVEL BOTTOM
°
?.O'
7.46'
7.29'
440 GPD / (.74) = 595 SF REQUIRED
4' LIQ. LEVEL (ACME OR EQUAL)
:
>,
o°°o°°o°°°oo°000°o°°o°o��
°° O°° O O° O° O O° O O° O O O O O°
15' X 40' 600 SF OK
600 SF X = 444 GPD OK
10
.74
6" CRUSHED STONE OR MECHANICAL
4.0' -"
USE A 15' X 40' PIPE AND STONE LEACHING FIELD
COMPACTION. (15.221 [2])
(1207. SLOPE) ( 1 % SLOPE) H-20 ( 1 % SLOPE)
ADJUSTED GROUNDWATER 2.5'
P"n1INmATIOKI— 35' SEPTIC TANK 58' ° D' ROY W
LEACHING
LONGEST RUN ,
*THE INSTALLER SHALL VERIFY THE LOCATIONS OF ALL
UTILITIES AND ALL BUILDING SEWER OUTLETS AND ELEVATIONS
PRIOR TO INSTALLING ANY PORTION OF SEPTIC SYSTEM
10"
14"
28"
PERC
120"
FILL
A
LS
1OYR 3/2
B
LS
1OYR 4/6
C
MS
2.5Y 7/4
14"
6pp
7.7' 28"
p' 120"
FILL
A
LS
1OYR 3/2
B
LS
1OYR 4/6
C
MS
2.5Y 7/4
LOCUS MAP
SCALE 1"=2000'f
ASSESSORS MAP 42 PARCEL 136
LOCUS IS WITHIN BOTH FEMA FLOOD ZONE AE (EL 11) AND
a �T" � -- 1 X I II i
PROP.
" GRAVEN WALK 10 l D--K --,ADDITION.._.
DRi:E C� I TOF- 12.0' -� TITLE 5 SITE PLAN
OF
02
c�EANOUT----J ' AM #717 WILLOW STREET
x x �____ 4. 1 � o � SHED SOUTH YARMOUTH
HEALTH OEP T , MA
7.7' 13 �2 PREPARED FOR
OFM,44 -<,�(6OFAf s DAVID PEARSON
DANIEL yGs V,o DAf11ELA.
v' Z� A. r� OjALA i DATE: MARCH 23, 2022
o o OJALA !8 GIVIL
U
C ti
40980q rta. 46502 off 508-362-4541
°F�ss\o� �Fc>isT fax 508-362-9880
r� lq�Q suR�ti�� s4/oijA1. �N� ( downcope.com
-- (/OWO carpe eng1#7eer'ing, Inc.
0' G-W ADJ. DATA:
civil engineers
WELL:MIW-29 � 'Lai ,.Z'L.- � � �-
ZONE: A Scale:1 20' -J luflu Surveyors
GROUNDWATER ENCOUNTERED (AT 104" EL 1 3-1�,
,�ADJ: 1.2' DATE DANIEL A. OJALA, P.E., P.L.S. 939 Main Street (Rfe 6A)
FEB.2022
.- --.-- YARMOUTHPORT MA 02675
u r3n O 147 ry 0 10 20 30 40 50 FEET 20-357 PEARSON.DWG