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SEPTIC SYSTEM DESIGN
FLOW ESTIMATE:
4 BEDROOMS AT 110 GAL / DAY = 440 GAL / DAY
SEPTIC TANK:
440 GAL / DAY x 2 DAYS = 880 GAL
USE 1500 GALLON SEPTIC TANK (EXISTING)
SEPTIC SYSTEM SECTION
ON
►lr i� W Sr
LOCATION MAP
PARCEL 112 (22,743 SF)
LEACHING AREA:
USE 32 INFILTRATOR QUICK 4 STANDARD CAPACITY CHAMBERS
97.46 (EXISTING) ELEV.9
ELEV, E
a 92.96 1500 GAL
AS SHOWN {34' x 12' x 8" DEEP) (STONELESS)
ASSESSORS MAP:42 PARCEL:112
ELEV. SEPTIC TANK GAS
BAFFLE
SIDE AREA: NA 0.74 = NA GAL/DAY
( )_�
LAND COURT CASE: 39679
TEE SIZES: (TO BE CONFIRMED) &
ZABEL
10YR 5/8
BOTTOM AREA: 4'x 32 UNITS x 4.7 = 602 SF (0.74) = 445 GAUDAY
INLET 6" U , 13" DOWN
OUTLET: 6" UP, 14" DOWN FILTER
C HORIZON
CAPACITY = 445 GAL/DAY
Edge of P ►..,.,,,.�� e
avement
VVFLLpw ST
BEET---......�_
M9
{DIST
AND)
KEY:
EXISTING CONTOUR: - - - -
PROPOSED CONTOUR. ............•
EXISTING SPOT ELEVATION; 25.5
PROPOSED SPOT ELEVATION: 25.5
TEST HOLE: *
UTILITY POLE: 0
FENCE LINE: -
HYDRANT: -�'
RETAINING WALL:
Yn rmouth Herith Depailment
.APP ?%. VE 13
b CL 7-0-
Name Date
EXISTING FLOOR PLAN
2" PRESSURE LINE TO EXIT THROUGH RISER.
A QUICK DISCONNECT IS TO BE PROVIDED FOR
FUTURE ACCESS TO PUMP.
PUMP CHAMBER COVER TO BE AT GRADE.
ALL OTHER COVERS AND INSPECTION PORT
TO BE WITHIN 6" OF GRADE.
%INSPECTION PORT
ELEV.=99.2
(A\
� 3 MAX-
COVER
AX COVER
(1' MIN)
1 98.94 ° 98.2
V. ELEV. '
1000 GALOR STONE
I NE UNBASEDER -`34`x 12' ELEV.
PUMP CHAMBER
RM -4 PUMP. PUMP 1/4" DRAIN HOLE 98.87 USE 32 INFILTRATOR QUICK 4 5'
3E INSTALLED IN DWELLING ELEV. STANDARD CAPACITY CHAMBERS
A CIRCUIT SEPARATE FROM CHECK AS SHOWN (34' x 12' x 8" DEEP)
VER. DISTANCE BETWEEN VALVE
H TO BE 3-)_ ADJUSTED GROUND WATER ELEVATION = 93.2 �.ti✓
E
TEST HOLE LOGS
ENGINEER: THOMAS McLELLAN, RE
WITNESS: PHIL RENAUD
DATE: 2-10-16
PERCOLATION RATE: < 2 MIN/IN
USGS GROUND WATER ADJUSTMENT:
WELL: MIW-29, ZONE: A, ADJUSTMENT: 1.7'
ADJUSTED GROUND WATER ELEV.= 93.2
NOTES:
TH-1 100.0
12"
O/A HORIZON
LOAMY SAND
10YR 4/2
ELEV.
99.0
B HORIZON
LOAMY SAND
24"
10YR 5/8
98.0
C HORIZON
MEDIUM SAND
2.5Y 7/3
102"
OBSERVED
91.5
132"
89.0
1. VERTICAL DATUM: ASSUMED
2. MUNICAPAL WATER IS AVAILABLE. .
3. SCHEDULE 40 - 4" PVC PIPE TO BE USED THROUGHOUT SEPTIC SYSTEM.
4. ALL PRECAST UNITS SUBJECT TO TRAFFIC LOADS TO CONFORM WITH AASHTO H-20 SPECIFICATIONS.
5. PIPE PITCH = 1/8" PER FOOT (UNLESS NOTED OTHERWISE).
6. FIRST 2' OF PIPE OUT OF D -BOX TO BE SET LEVEL.
7, THE SEPTIC SYSTEM .HAS NOT BEEN DESIGNED TO ACCOMODATE THE USE OF A GARBAGE DISPOSAL.
8. ALL CONSTRUCTION DETAILS ARE TO BE IN CONFORMANCE WITH THE STATE OF MASS. ENVIRONMENTAL
CODE (TITLE FIVE) AND LOCAL HEALTH REGULATIONS.
9. CONTRACTOR TO VERIFY LOCATIONS OF ALL UTILITIES PRIOR TO CONSTRUCTION.
10. GROUND COVER OVER ALL SEPTIC SYSTEM COMPONENTS NOT TO EXCEED 31.
11. FIELD SURVEY PROVIDED BY TERRY A. WARNER, P.L.S., HARWICH, MA.
12. THIS PLAN REQUIRES THE REVIEW AND APPROVAL OF ONE OR MORE TOWN DEPARTMENTS AND
IS SUBJECT TO CHANGE UNTIL SUCH TIME.
13. EXISTING FLOWDIFFUSERS TO BE ABANDONED.
14. D -BOX TO BE WATER TESTED TO ENSURE LEVELNESS AND EQUAL FLOW.
15. AN ELECTRIC PERMIT FOR THE PUMP PACKAGE IS REQUIRED PRIOR TO CONSTRUCTION.
16. PUMP CHAMBER IS TO BE WATER PROOFED BY MANUFACTURER WITH IPANEX
CONCRETE ADDITIVE OR CONSEAL 55. A 6" EZ WRAP IS ALSO REQUIRED.
17. ALL UNSUITABLE SOIL, (B HORIZON,APPROX. 24"DEEP) WITHIN 5' OF PROPOSED
LEACH AREA IS TO BE REMOVED AND REPLACED WITH CLEAN MEDIUM SAND.
SITE PLAN
041
J.
LOCATION:
730 WILLOW ST., S. YARMOUTH, MA
PREPARED FOR:
RAY ROACH
DATE: 2-22-16 SCALE: 1 = 20'
BASS RIVER ENGINEERING
P.E. P.O. BOX 1163, EAST DENNIS, MA 02641
508-364-9048