HomeMy WebLinkAboutEngineered Plans - Rev. 2000LENGTH VARIES - SEE SEPTIC SYSTEM DESIGN DATA
FINISH GRADE
EARTH
X BACKFILL
V)
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LEVEL BASE
SECTION A - A
I
EXISTING CESSPOOL TO BE REMOVED
EDGE WASHED STONE DIST. BOX
I 1500 GALLON
< A A SEPTIC TANK
o
I
END PLATE ui
LEACHING CHAMBER
w I
0
w MUM uiwmw mw
3" PEASTONE Ld
In
_ 3/4"- 1 1/2" z$80°BP� 9 i
WASHED 5"
STONE - ---- ---- ---
INFILTRATOR HIGH CAPACITY LEACHING CHAMBER
NOTE: UNSUITABLE SOIL REMOVAL %
PLAN WHERE REQUIRED TO EXTEND AT
LEAST 5' BEYOND LIMITS OF
LEACHING CHAMBER DETAIL STONE TRENCH.
.
NTS -----�
i
SEPTIC SYSTEM DESIGN DATA
SEWAGE FLOW ESTIMATE
SOURCE UNITS GPO NIT OTY GPD COMMENT
SINGLE FAMILY RESIDENCE I BEDROOM 1 110 1 3 1 3301 310 CMR 15.02 (13)
SEPTIC TANK TOTAL ESTIMATED PEAK DAY FLOW 330 GPD - NO GARBAGE GRINDER
[TOTAL FLOW X DET. TIME = 330 GPD X 2.0 DAYS = 560 USE 1500 GALLON TANK
LEACHING FACILITY
CHAMBER TRENCH LEACHING AREA CAPACITY
NO. LEN WIDTH DEPTH SIDE BOTTOM SIDE BOTTOM TOTAL
-, (ft) , (rt) (ft) (sr) (sr) (9Pd) (9Pd) (9Pd)
100
95
90
85
-10
PERCOLATION RATE: 2.0 MIN./IN. LEACHING RATE: (GPD/SF) SIDE - 0.74 BOTTOM - 0.74
TOP OF EXISING FOUNDATION 98.40
GENERAL NOTES
1. ALL MATERIALS AND CONSTRUCTION METHODS SHALL
CONFORM TO THE PROVISIONS OF THE COMMONWEALTH
OF MASSACHUSETTS ENVIRONMENTAL CODE TITLE �.
2. EXCEPT AS OTHERWISE NOTED, ALL PROPOSED
SEPTIC SYSTEM PIPING SHALL BE 4" ' SCH40
PVC SET TO THE UNE AND INVERT ELEVATIONS
SHOWN. THE MINIMUM PITCH OF PIPES CARRYING'
SEWAGE OR SEPTIC TANK EFFLUENT SHALL BE 1/1iTH
INCH PER FOOT IF NOT OTHERWISE NOTED.
3. PRIOR TO CONSTRUCTION OF THE SEPTIC SYSTEM
DEPICTED ON THIS PLAN, THE CONTRACTOR SHALL
OBTAIN A DISPOSAL WORKS CONSTRUCTION PERMIT
FORM THE TOWN OF YARMOUTH BOARD OF HEAL:iI4
4z
y��SF
4. THE LOCATIONS OF UNDERGROUND UTIDTIES SHOWN
ON THIS PLAN ARE APPROXIMATE, AT LEAST 72
HOURS PRIOR TO ANY EXCAVATION FOR THIS
PROJECT WORK, THE CONTRACTOR SHALL MAKE THE
REQUIREDNOTIFICATIONTO DIG SAFE (1-800-322-
4844), AND THE YARMOUTH DEPARTMENT 362-4974
FOR VERIFICATION OF LOCATIONS.
5. CONSTRUCTION OF THE SEPTIC SYSTEM SHOWN ON
THIS PLAN IS SUBJECT TO THE INSPECTION OF THE
TOWN OF YARMOUTH HEALTH AGENT. NO PART OF
THE SEPTIC SYSTEM SHALL BE BACKFILLED OR MADE
INACCESSIBLE UNTIL INSPECTED AND APPROVED BY
THE HEALTH AGENT. THE CONTRACTOR SHALL
SCHEDULE INSPECTIONS AS REQUIRED.
SOIL TEST
DATA
DATE:
8/24/99
EXCAVATOR:
T.MARTIN
B.O.H. AGENT:
K. WELSH
ENGINEER:
D.C. THULIN
0 10 20 30 40 50 60 70 1 80 90
SECTION THRU SEPTIC SYSTEM
100 110
HC IWLITRATOR CHAMBERS
A
�hm�`i`�
1
�O
EXISTING SOIL PIPE
CLEANOUT
I x FUTURE ADDITION
6. REMOVE ALL UNSUITABLE SOIL, Oe, A, AND Bw
HORIZONS FROM BELOW THE SAS INVERT ELEVATIONS
AND WITHIN 5 FEET OF THE PROPOSED LEACHING
SYSTEM. REPLACE HATH CLEAN SAND FILL MEETING
THE REQUIREMENTS OF 310CMR 15.255.
7. SEPTIC TANK AND DISTRIBUTION BOX TO BE SET ON
LEVEL BED OF WASHED STONE SIX INCHES IN DEPTH ^�
OR ON MECHANICALLY COMPACTED BASE OF `(J+
NATURALLY OCCURING SOIL. DISTRIBUTION BOX
SHALL BE WATER TESTED TO DEMONSTRATE EQUAL
DISTRIBUTION TO SAS LATERALS.
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C -j
j <1
W v Lu 1
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LOCATION: TP2
LOAMY SAND
ELEV.
DEPTH
LOCATION: TP -1
Lo
96.7
PROPOSED CLEANOUT
PROPO ED FINISH GRADE = EXISTING
SANDYLOAM
Z
96.2
0.5
B - SANDY LOAM
COARSE SAND
94.7
RES. RISER
W/C.I. COVER TO WITHIN 6" FIN. GRADE
ELEV. DEPTH
I
C - COARSE SAND
- ----
-- - -
_ __
;7---_
97.3 0.0 OeA,
w
(n
Z
IS FILL TO2 6 8
MIN./IN
_j:r
__ __
DISTRIBU ON BOX
96.8 0.5 B -
N x
1E
94.00
93.47
2' LEVE PIPE
95.3 2.0 7.5Y
PROPOSED SAS
fOM
86.2
LANE
3ROUNDWATER
LL' O N
93.06
BOTTOM
C
Q
NO GROUNDWATER
Q
N W CO
OP EFF. DEPTH 92.82
Lnv
1OYF
SP A
b5 •0.0030
72
93.23
U
SP B
LELEVATIONS
II1r
aPW
91.8 5.5
PER(
EXISTINSOIL PIPE INVERT
(SFA AND SPB AT EX
4• P
RIOR S -a
PVC
s-a0z0
2 LINES O 3 H.C. I01(lNFILTR TORS BOT., EFF. DE TH 91,32
r;
DING P IOR TO INSTALLATION
ti
SEPTIC SYSTEM COMPONENTS. ADJUST
TONE UNDER -REO.
:-
0
Z
COMPONENT E VATIONS AS REQUIREDTOOTA
150 GALLON
z
TRENCH LENG = 46'
L-24.2'
w
MEET MINIMUM IPE PITCH.
87.3 10.0
36.1'
SEPTIC TANK
11 6'
- LONGEST N
BOT
W UTLET
u
NO
GAS BAFFLE
0 10 20 30 40 50 60 70 1 80 90
SECTION THRU SEPTIC SYSTEM
100 110
HC IWLITRATOR CHAMBERS
A
�hm�`i`�
1
�O
EXISTING SOIL PIPE
CLEANOUT
I x FUTURE ADDITION
6. REMOVE ALL UNSUITABLE SOIL, Oe, A, AND Bw
HORIZONS FROM BELOW THE SAS INVERT ELEVATIONS
AND WITHIN 5 FEET OF THE PROPOSED LEACHING
SYSTEM. REPLACE HATH CLEAN SAND FILL MEETING
THE REQUIREMENTS OF 310CMR 15.255.
7. SEPTIC TANK AND DISTRIBUTION BOX TO BE SET ON
LEVEL BED OF WASHED STONE SIX INCHES IN DEPTH ^�
OR ON MECHANICALLY COMPACTED BASE OF `(J+
NATURALLY OCCURING SOIL. DISTRIBUTION BOX
SHALL BE WATER TESTED TO DEMONSTRATE EQUAL
DISTRIBUTION TO SAS LATERALS.
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Lo
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OeA - LOAMY SAND
SANDYLOAM
Z
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0.5
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