HomeMy WebLinkAbout143.84 - Septic System DesignGENERAL NOTES:
1. THIS PLAN IS FOR THE DESIGN AND CONSTRUCTION
OF THE SEWAGE DISPOSAL SYSTEM ONLY.
2. VERTICAL DATUM IS ASSUMED. FOR BENCH MARKS
SET. SEE $l T£ PLAN.
3. ALL CONSTRUCTION METHODS AND MATERIALS AND
MAINTENANCE OF THE SEPTIC SYSTEM SHALL
CONFORM TO MASS. D.E.P. TITLE 5 AND LOCAL
BOARD OF HEALTH REGULATIONS.
4. ALL SEPTIC SYSTEM COMPONENTS LOCATED UNDER
AREAS SUBJECT TO VEHICULAR TRAFFIC OR GREATER
THAN 3' 1N DEPTH SHALL BE CAPABLE OF WITH-
STANDING H-20 WHEEL LOADS.
5. ALL SEWER PIPE SHALL BE SCHEDULE 40 OR
APPROVED EQUAL.
6. SEPTIC TANK AND D -BOX SHALL BE REINFORCED
PRECAST CONCRETE AND WATERTIGHT.
7. BEFORE CONSTRUCTION CALL 'DIG -SAFE'.
1-888-344-7233 AND THE LOCAL WATER DEPT.
FOR LOCATION OF UNDERGROUND UTILITIES.
8. NO DETERMINATION HAS BEEN MADE AS TO
COMPLIANCE WITH DEED RESTRICTIONS OR ZONING
REGULATIONS. IT SHALL REMAIN THE CLIENTS
RESPONSIBILITY TO OBTAIN ALL PERMITS. SPECIAL
PERMITS. VARIANCES ETC. FOR THIS PROJECT.
1
1
1
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+D� 1 22479 t S. F
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LOCUS MAP
ACCESS COVERS MUST BE
WITHIN
9' MINIMUM.
I N VER T ELEVATIONS:
6' OF FINISH GRADE
3' MAXIMUM COVER
f02.5
FIRST 2'
TO
INVERT AT BUILDING:
99.95
.+x
BE LEVEL
i •.l Yh.:
MIN 2' OF PEASTONE
INVERT IN SEPTIC TANK:
99.75
INVERT OUT SEPTIC TANK:
99.5
D1Aw v/vE
f
/
3/4' - / 1/2' DIA.
INVERT IN DIST. BOX:
99.27
99,95 '�
i
$A
�.� WASHED STONE
INVERT OUT DIST. BOX:
99.1
9GAS
9 75 AFFt.
v o
--
X147.8
INVERT IN LEACH CHAMBER:
98.8
3 OUTLET
3 FLOWOIFFUSORS
BOTTOM OF LEACH CHAMBER:
97.8
D -BOX
W/4'
STONE AROUND. 12'x
32'
ADJUSTED GROUND WATER:
N/A
1500 GAL
OBSERVED GROUND WATER:
N/A
SEPTIC TANK 6'
CRUSHED STONE BASE
BOTTOM OF TEST HOLE #3:
88.8
� T
1V
PROFILE: NOT TO
SCALE
DESIGN CRITERIA:
DESIGN FLOW:
3 BEDROOMS AT 1/0 G.P.D. PER
BEDROOM EQUALS 330 G.P.D.
NO GARBAGE GRINDER
SEPTIC TANK REQUIRED:
330 G.P.D. X 200x - 660 GAL.
SEPTIC TANK PROVIDED: 1500 GAL. MIN.
SOIL ABSORPTION SYSTEM REQUIRED:
DESIGN PERC RATE ! 5 MIN/INCH
SOIL TEXTURAL CLASS - I
EFFLUENT LOADING RATE - 0.74 GPD/SF
\ 330 GPD / 0.74 GPD/SF - 446 S . REQUIRED
SOIL TES T PI T DA TA & PROVIDED: 3 FLOWDIFFUSORS
\ \
INDICATES INDICATES W/4' STONE AROUND. A-472 S.F.
PERCO\ �_
\ \\ OBSERVED
TEST LATlOA GROUNDWATER
\ \ \ TP 0/ TP #2 TP *3
\ \
HORIZON TEXTURE TEXTURE COLOR 101.2 0'
HORIZON TEXTURE COLOR HORIZON TEXTURE COLOR
\ 101.2 0' 101.8
O LOAMY IOYR i LOAMY IOYR LOAMY IOYR
\ \ \ A........ SAND
............2/2....~ A SAND 2/2 A........ $ANO............2/2....
�...... 100.4 10 .......................................... 100.4 6' .. IOI.J
8 LOAMY IDYR E LOAMY IOYR _ B LOAMY IOYR
I . SAND 6/8 SAND 6/8 SAND 6/8
I \\ \ \ 40 ..................... 97.9 30' 98.7 30' .......................................... 99. 3
\\ \ \ \ C I WELL GRADED IOYR I C I WELL GRADED IOYR C I WELL GRADED IOYR
\\ \\ \ \ \ SAND GRAVEL 7/8 i SAND GRAVEL 7/8 SAND GRAVEL 7/8
1 \ \\ \ \ \ 60' 60' .................................. l- 96.8
1 \ C2 MEDIUM lOYR L
11 \\ \\\ \ \ 1 \ 102 ...................
I...................... 92.7 90' L 93.7 96' SAND 8/3 I
� \ .............. COMPACT................ ...............COMPACT...........................................................� 93. 8
11 \ \ \ 1 \ --� C2 �- C2 �. � C3 COMPACT
11 \ \\ r I \ \ SANDY LOAM I SANDY LOAM SANDY LOAM
144' 89.2 126'' 90.7 144' ! 69.8
..........................................
1 \\ TP*2 4 ��� 'so moo, �/ \ \ \ \ C3 MED -COARSE C3 MED -COARSE C4 MED -COARSE
j 1 ® \� 102---o i, \ \ SAND AND GRAVEL SAND AND GRAVEL SAND AND GRAVEL
1 +,100,2 1 101.2 _101.7 1 6� 88.2 162' 87.7 156' 88.8
\� \ NO WATER NO WATER NO WATER
I
j I \ ; \ \ DATE: OCTOBER 29. 1997
1 TEST BY: STEPHEN HAAS
WITNESSED BY: AMY VONHONE
PERC RATE: C 2 MIN/INCH
+100., ",100SOD
/ o
' +100.%�' ♦/
i
11500 GAL -
/ SEPTIC TANK
/ y
, \
UP 147 112
P Pe
10
90\ r
\
1
l $
4 i' 9ii`
/
i
+Io1.s /tis °a
BM CB/DN
EL -101.29
1 /
�7J&P 11.1147 FLOro1FFUS0RS
I/4• STONE
I
I
/
9.45 O
/ tov.60
r
A
_
.+x
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r
i
SEPT/C SYSTEM OE-S/G/V
9.62
904 ROUTE 6A MAP / 29 . PARCEL /V3
YOA R"O U T I -I P OR T. "A.
iIED
�'`"����"•`���' ��'�� PREPARED . FOR
CKHM �m
6 CO T TO
/-90 SUMMER S TR EE T. YARMOUTI-IF OR T. MA 02675
SCAL E: / - 20 DECEMBER 2
EAGLE' SURVEYING E'NGINEERING. INC.
.923 RD u 6A
Yczrmo urh�or�r . MA 02675
0 d9 3 62 - 49 1 32
�50dq 432-5333
0 to 20 40 JOB NO: 97-355 FIELD:TAW/CFW CALC: SAH/CFW CHECK: CFW DRN SAH