HomeMy WebLinkAboutBHDC-19-3256 (3)N SEPTIC SYSTEM DESIGN
0 FLOW ESTIMATE:
2 BEDROOMS AT 110 GAL / DAY = 220 GAL / DAY
GN SEPTIC TANK:
220 GAL / DAY x 2 DAYS = 440 GAL
WAMPANOAG RD USE 1500 GALLON SEPTIC TANK
LOCATION MAP
PARCEL56 (4,871 SF)
ASSESSORS MAP: 33 PARCEL: 56
PLAN BOOK: 56, PAGE: 85
LEACHING AREA:
USE 18 INFILTRATOR QUICK 4 PLUS STANDARD
CHAMBERS AS SHOWN (26' x 9' x 8" EFFECTIVE DEPTH)
SIDE AREA: NA (0.74) = NA GAL/DAY
BOTTOM AREA: 4' x 18 UNITS x 4.7 = 338 SF (0.74) = 250 GAL/DAY
CAPACITY = 250 GAL/DAY
FINISHED GRADE 2% 100.5
ELEV
6" x 6"(30 YEAR) PRESSURE TREATED
RAILROAD TIES --STAGGER JOINTS
AND CONNECT WITH 12" SPIKES
Po
0�01Io 0
a o 0 0 0 0
(if1.7
PROPOSED LEACHING CHAMBERS ELEV
40 MIL POLY LINER ON
INSIDE OF WALL
TOTAL LENGTH OF LINER = 101' x (2.5')
TOP OF LINER = 99.7
BOTTOM ELEVATION = 97.2
RETAINING WALL DETAIL
97.6
X
KEY:
EXISTING CONTOUR:
PROPOSED CONTOUR:
EXISTING SPOT ELEVA7 ,.)N: 25.5
PROPOSED SPOT ELEV. •.ION: 25.5
TEST HOLE: Y
UTILITY POLE: -O-
FENCE LINE:
HYDRANT:
RETAINING WALL:
100
99
98
0'Ka
24" oak //
oC 8'
,oc
lo$
I
I
I
1
I
98
97.9
STEP R.R. TIES IN 1/4"
9M
GRADE ELEV.
SEPTIC SYSTEM SECTION
FI
' U
ELEV, m
(EXISTING) N o
PROPOSED = 97.0 3
m
LLEACH AREA DETAIL
i��i���■�i
100.02
TOP OF
FOUNDATION
1/8" perft
BUOYANCY CALCULATION: 1500 GALLON SEPTIC TANK
10.5' x 5.67' x (94.7 - 92.4) x 62.4 LB/CF = 8,544 LB
WEIGHT OF TANK = 11 480 LB
DM ELEV. WEIGHT OF SOIL COVER: 10.5' x 5.67' x V x 100 LB/CF = 5953 LB
BUOYANCY CALCULATION: 1000 GALLON PUMP CHAMBER
8.5'x 4.83'x (94.7 - 92.0) x 62A LB/CF = 6,917 LB
2' x 1/2" REBAR @ 4' ON CENTER WEIGHT OF TANK = 8,240 LB
WEIGHT OF SOIL COVER: 8.5' x 4.83' x V x 100 LB/CF = 3,765 LB
BENCHMARK AT
HYDRANT TAG BOLT
ELEVATION = 101.51
102N 101
102
101
N 1213
Qs,J
9
03
coy EXISpRp0N1
DEft 1N pp p2
pD top tad' ace)
�cra*l Sp
2 ,
� ' c
S �29�0 221 �
99 X 99.4
-X 99.6
12" oak
PC
ST
3.0
W
Gravel Drive
ELEV. I
92.4 1500 GAL
ELEV. SEPTIC TANK
((i" OF STONE UNDER OR
MMECHANICALLY COMPACTED)
TEE SIZES:
INLET: 6" UP, 13" DOWN
OUTLET: 6" UP, 14" DOWN
BED
ROOM
BATH
SUN KITCHEN
ROOM
1/8" perft
ELEV.
2" PRESSURE LINE TO EXIT THROUGH RISER OR TANK.
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.
TEE AT __\
INLET
1/8" pe
99.58 99.41
ELEV. ELEV.
D-BOX
(6" OF STONE UNDER)
/92.0 1000 GAL
GAS
ELEV. PUMP CHAMBER
BAFFLE
WITH MYERS SRM-4 PUMP. PUMP ALARM
ZABEL
PACKAGE TO BE INSTALLED IN DWELLING
FILTER
POWERED BY A CIRCUIT SEPARATE FROM
THE PUMP POWER. (DISTANCE BETWEEN
ON/OFF SWITCH TO BE 3")
DISTANCE BETWEEN ON SWITCH
ND ALARM TO BE 12")
1/4" DRAIN HOLE
-CHECK
VALVE
i BED TEST HOLE LOGS
ROOM ENGINEER: THOMAS McLELLAN, P.E.
WITNESS: PHIL RENAUD
DATE: 10-25-18
PERCOLATION RATE: < 2 MIN/IN
LIVING
ROOM USGS GROUND WATER ADJUSTMENT:
WELL: MIW-29, ZONE: A, ADJ.: 2.3' / 2 = 1.2'
ADJUSTED GROUND WATER ELEV.= 94.7
EXISTING FLOOR PLAN
I r�>
a Q�
r_
*PN
3 100 e,(n
m0
0
hydrant
99.5 Permit valid for REPAIR OF' SEPTIC SYSTEM>
ONLY, due to State and Local septic variances.
® ® Board of IIIeaith review and approval is required for
EXISTING v future add itions/renm ations/afterations to
DRAINA12 SYSTEM YSTEM swage facilities and/or structuaes/dwelling.
rr. SYSTEM
Yarmouth Health 1>.epartmendt
99.6 o APPROVt t
oCTIC
,
cCq 117
� 1jL/4-L
atlle Date
NOVgE �� 40 MIL POLY LINER
ALSO ON INSIDE OF WALL
101' x 2.5' DEEP
TOP OF LINER = 99.7
BOTTOM ELEVATION = 97.2
i
JUN u b 2019
HEALTH DEPT.
REQUIRED VARIANCES FROM TITLE FIVE:
1. SECTION 15.212: LEACH AREA TO BE LESS THAN 5' ABOVE GROUND WATER (VARIANCE OF 1.0').
2. SECTION 15.211 (1): LEACH AREA TO BE LESS THAN 20' FROM CRAWL SPACE (VARIANCE OF 11').
3. SECTION 15.211 (1): LEACH AREA TO BE LESS THAN 10' FROM LOT LINE (VARIANCES OF V & 2').
4. SECTION 15.211 (1): PUMP CHAMBER TO BE Lf 3S THAN 10' FROM LOT LINE (VARIANCE OF 5').
5. SECTION 15.255 (5): SOIL REMOVAL 10 BE LESS THAN 5' (VARIANCE OF 2').
T MAX.
COVER
(1' MIN)
NOTE: 8" EFFECTIVE DEPTH
INLET IS NOT THE CENTER
LINE INLET.
INSPECTION PORT
ELEV= 99.7
29.37/ II11-1NNNNH1-1N1°I1-1NNNHN1II 98.7
ELEV. ELEV.
E 26' x 9'
USE 18 INFILTRATOR QUICK 4 PLUS 4
STANDARD CHAMBERS
AS SHOWN (26' x 9' x 8" EFFECTIVE DEPTH)
ADJUSTED GROUND WATER ELEVATION = 94.7
TH-1 98.5
FILL
FILL
ELEV.
18"
O/A HORIZON
LOAMY SAND
30"
10YR 3/1
6.0
B HORIZON
LOAMY SAND
42"
10YR 5/8
0
C HORIZON
MEDIUM SAND
2.5Y 7/4
60"
OBSERVED
93.5
108"
1 GROUNDWATER
1 89.5
NOTES:
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 CESS POOL(S) IS TO BE LOCATED AT TIME OF CONSTRUCTION.
j IT IS TO BE PUMPED AND REMOVED.
Ir . D-BOX TO BE WATER TESTED TO ENSURE LEVELNESS AND EQUAL FLOW.
5. AN ELECTRIC PERMIT FOR THE PUMP SYSTEM IS REQUIRED PRIOR TO CONSTRUCTION.
16. SEPTIC TANK AND PUMP CHAMBER ARE TO BE WATER PROOFED BY MANUFACTURER WITH IPANEX
CONCRETE ADDITIVE OR CONSEAL 55. A 6" EZ WRAP IS ALSO REQUIRED FOR BOTH TANKS.
17. ALL UNSUITABLE SOIL, (O/A HORIZON, APPROX. 30" DEEP) WITHIN T OF PROPOSED LEACH AREA
IS TO BE REMOVED AND REPLACED WITH CLEAN MEDIUM SAND.
THOWSJ.
WEILAN :
CIVU
No.36471 Q
t7D'
SITE PLAN
LOCATION:
19 BLISCOTT AVE., S. YARMOUTH, MA
PREPARED FOR:
EUGENE KOVAL
DATE: 12-12-18 SCALE: I" = 20'
BASS RIVER ENGINEERING
THOMAS J. McLEL N, P.E. P.O. BOX 1163, EAST DENNIS, MA 02641
508-364-9048