HomeMy WebLinkAbout83- 797 - Septic & Soil Datah,j
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INDICATES
'�' OBSERVED
30' Line
TEST
Top of Bank
OExpansion
TP
Pit
OLeaching
GRD EL
Pit
Septic Tonk
C.16
Catch Basin
D. B
Distribution Box
— Roof Drains to dry wells.
—A/t Driveways have been
calculated to drain to scree/5
and street drain system.
See calculations for Subdivision
and Planning Board Filing
So// Tests made for Septic System
Permit Procedures in front Lot in
Area of Proposed System on dune
/71h /987 showed the soil to be
01' 3011 Loam 8 "Subsoil" 30"- 144"
Clean Coarse Sand. No water encounted
Perculation Rote Less than 2min/inch
Stakes angled into ground
Profile
4" Pi
from
/. D
0„
2' O" 6' 6" 2' d"
0. D
/O' 6"
Working Diameter Pit
Ground Surface -2
3/4=1'/2" Stone
PLAN
Working Area
Bottom Tfr' = 86.59
Side 7/dh = 197.92
Allowable Load
Bottom / Gal. per S.F
Side 2.5 GGL per S F
Total 86.59 x / = 86.59 Gals.
197.92 x2-5= 494.80 Gals.
= 581.39 Go/sp/t
/21' minimum depth if this
is more than 12"the cover shall be extended
to within 12" of ground surface.
2"- //8" Stone
—All stone to be washed free of
4" PVC from DB /ran, "Fines" and Oust.
Pit Liner 11/2" Stone —A// structures to be precast concrete
If under areas of vehicular traffic
design for H2O loading
—
All pipe to be P V C. - if under areas
of vehicular traffic use schedule 40
Pit Detail
'SECT/ON
Scale /"- 40'
SEPTIC TANK DETAIL
NOT TO SCALE
NOTES >I SEPTIC TANK SHALL BE 4 INLET AND OUTLET TEES TO BE CAST IRON OR
REINFORCED CONCRETE. SCHED 40 PVC
2 SEPTIC TANK TO WITHSTAND H-10 LOADING TO BE CENTERED UNDER MANHOLE COVER
UNLESS UNDER PAVEMENT, DRIVES OR 5 1000 GAL. TANK SHOWN OR ANY OF EQUAL
TRAVELED WAYS,WHEREIN H-20 LOADING CAPACITY APPROVED
SHALL APPLY.
3 ALL RPE CONNECTIONS AND CONCRETE MANHOLF„COVER
CONSTRUCTION TO BE WATERTIGHT WITHIN 12 FINISH GRADE
8 0 17-1
14" a
WATER LEVEL
- -- - -- -- -- --- --�
15"
INLET TEE
., PRECAST
Q 46q-C}OUTLET
SEPTIC5'6LIQUID DEPTH TEE
NK TA(...
,
I ,
,
,
oy"`3 BOTTOM ON LEVEL STABLE BASE c'eo"o
PLAN VIEW �C " CROSS-SECTION VIEW
Hay Boils Double Row
Set staggered and
Double Stake to ground
DESIGN CRITERIA
DESIGN FLOW
4 BR x 110 GoI./BR = 440 Gal./Day
REQUIRED SEPTIC TANK
440 x 65 = 660 GAL
SEPTIC TANK PROVIDED = 1000 GAL.
SIZE OF LEACHING FACILITY REQUIRED
DESIGN PERC.RATE 2 MIN.nNCH
Leaching Pits 2-8 deep
lo.5' diameter
SIZE OF LEACHING FACILITY PROVIDED
2 PitS of I0.5 dtOMeter x 6'deep
N SOIL TEST PIT DATA
TP TP
GRD. EL. GRD. EL
GW EL GW EL
Loam
Subsoil
perk TeSf
Sand
No Water
DOTE
6 /17/67
TEST BY
WITNESSED BY
Nealfh Aver{
PERC RATE
Z MIN/INCH
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t L.
DATE DATE DATE
TEST TEST BY TEST BY
WITNESSED BY WITNESSED BY WITNESSED BY
PERC RATE PERC RATE PERC RATE
MIN/INCH MIN /INCH -MIN /INCH
PLAN
Not to 5C ate
REVISION DATE DRAWN BY:
DIANE GEORGE
Lot 6 On Oyster CHECKED BY:
Cove on Bass River SCALE:- t"- 20'
0 40 BO for Conservation Commission Use
PROJECT': 8644
Graphic ScaleAV(0 DATE: 05/29/87
rBRIAj7,
WWII! , HIDELL-EYSTER TECHNICAL SERVICES, INC. DRAWINt3N0:
N�CVI805� r 186 WHITING STREET
P 9 E HINGHAM , MASSACHUSETTS 02043
. (817) 749-8040
RAI.
S� 83-7�7
INDICATES
PERK
INDICATES
'�' OBSERVED
TEST
OROUNOWATER
TP
TP
GRD EL
GRD EL
rw ri
t L.
DATE DATE DATE
TEST TEST BY TEST BY
WITNESSED BY WITNESSED BY WITNESSED BY
PERC RATE PERC RATE PERC RATE
MIN/INCH MIN /INCH -MIN /INCH
PLAN
Not to 5C ate
REVISION DATE DRAWN BY:
DIANE GEORGE
Lot 6 On Oyster CHECKED BY:
Cove on Bass River SCALE:- t"- 20'
0 40 BO for Conservation Commission Use
PROJECT': 8644
Graphic ScaleAV(0 DATE: 05/29/87
rBRIAj7,
WWII! , HIDELL-EYSTER TECHNICAL SERVICES, INC. DRAWINt3N0:
N�CVI805� r 186 WHITING STREET
P 9 E HINGHAM , MASSACHUSETTS 02043
. (817) 749-8040
RAI.
S� 83-7�7