HomeMy WebLinkAbout83-1453 - Septic System 002GENERAL NOTES:
SYS
TEEM
18.5
I.
THIS PLAN 1S FOR THE DESIGN AND CONSTRUCTION
/ VE.
MAP
OF THE SEWAGE DISPOSAL SYSTEM ONLY.
2.
VERTICAL DATUM IS NGVD. FOR BENCH MARKS
SET. SEE SITE PLAN.
J.
ALL CONSTRUCTION METHODS AND MATERIALS AND
MAINTENANCE OF THE SEPTIC SYSTEM SHALL
CONFORM TO MASS. D.F.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' IN 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 -DIG -SAFE AND THE LOCAL WATER DEPT.
FOR LOCATION OF UNDERGROUND UTILITIES.
S.
ALL UNSUITABLE MATERIAL IA 6 B HORIZONS)
ENCOUNTERED BELOW THE INVERT OF THE LEACHING
FACILITY TO BE REMOVED FOR A DISTANCE OF 5'
AROUND AND REPLACED WITH SAND IN ACCORDANCE
WITH TITLE S.
9.
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.
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/0.
ANY RETAINING WALL SHOWN ON THIS PLAN IS FOR
LOCATION ONLY AND SHALL BE DESIGNED IN
ACCORDANCE WITH STANDARD PRACTICE.
/
11.
IT SHALL REMAIN THE CLIENT'S RESPONSIBILITY
TO HAVE THE PROPOSED BUILDING FOUNDATION ovra1
DESIGNED TO ACCOUNT FOR THE EXISTING GRADE
AND SOIL CONDITIONS AT THE LOCATION OF THE
PROPOSED BUILDING.
12.
SEPTIC SYSTEM INSTALLER SHALL NOTIFY THE
DESIGN ENGINEER TWO DAYS PRIOR TO CONSTRUCTION
OF THE SYSTEM TO ALLOW FOR SCHEDULING OF THE
CONSTRUCTION INSPECTIONS. INSPECTIONS SHALL BE
AS FOLLOWS:
•1. ENGINEER SHALL INSPECT WHEN THE REQUIRED
EXCAVATION IS COMPLETE.
ro.9s
*2. ENGINEER SHALL INSPECT WHEN THE FILL HAS
BEEN PROPERLY PLACED.
+3. ENGINEER SHALL STAKE THE PROPOSED LEACH
FIELD PRIOR TO PLACEMENT.
•4. ENGINEER SHALL INSPECT WHEN THE COMPONENTS
OF THE SEPTIC SYSTEM HAVE BEEN INSTALLED.
13.
INSTALLATION OF FAST UNIT TO BE CERTIFIED B'Y
FAST REPRESENTATIVE. A YEARLY INSPECTION AND
MAINTENANCE CONTRACT SHALL BE MAINTAINED WITH
THE FAST REPRESENTATIVE.
14.
THIS LOT FALLS WITHIN FLOOD ZONES C AND P AS
SHOWN ON FEMA COMMUNITY PANEL NO. 250015 004 C
DATED 6/17/86.
15.
ROOF RUNOFF TO BE DIRECTED TO DRYWELLS OR A
STONE TRENCH ALONG THE DRIP LINE.
VARIANCES REQUIRED:
TITLE 5 SECTION 15.248. RESERVE AREA
A VARIANCE IS REQUESTED TO NOT SHOW A SEPARATE RESERVE
AREA BUT TO REMOVE AND REPLACE THE LEACHING SYSTEM IN THE
PRIMARY AREA IN THE EVENT OF A FAILURE.
TOWN OF YARMOUTH HEALTH REGULATION SECTION 3.7. DISTANCES
100' IS REQUIRED BETWEEN THE SAS AND THE WETLANDS. 60' AND
75' ARE PROPOSED. 40' AND 25' VARIANCES ARE REQUESTED,
ACCESS COVERS MUST
BE TO FINISH GRADE -
VENT
BLOWER n pie, MIN
FAST
LNn r
9' MINIMUM.
FIRST 2' TO 4'PERF PVC
SCHED 40 MIN. 2' OF
BE LEVEL
7 16.2 MIN /
/ (' 2x _PEAS
TONE
TOP WALL 15.4 MIN
3O'x 10' LEACH
3 OUTLET FIELD aoT tact u.4 MAX
Y500 D -BOX b 3/4' - 1 1/2' DIA.
GAL WASHED STONE
H-20 SEPTIC TANK 6' CRUSHED STONE BASE
FAST READY ADJ Or - 9.24
WATERTIGHT AND
Lv oeJ or . 6.94
FACTORY WATERPROOFED
INDEX WELL TSW e9. ZONE A
PROFILE : NOT TO SCALE NOVEVBER 1990 ADJ-2.3•
12.
DESIGN CRITERIA:
DESIGN FLOW:
2 BEDROOMS AT 110 G.P.D. PER
BEDROOM EQUALS 220 G.P.D.
NO GARBAGE GRINDER
SEPTIC TANK REQUIRED:
220 G.P.D. X 2002 - 440 GAL.
SEPTIC TANK PROVIDED: 1500 GAL. MIN.
SOIL ABSORPTION SYSTEM REQUIRED:
DESIGN PERC RATE l 5 MIN/INCH
SOIL TEXTURAL CLASS - I
EFFLUENT LOADING RATE - 0.74 GPD/SF
220 GPD / 0.74 GPD/SF - 298 S.F. REQUIRED
PROVIDED: 10'x 30' LEACH FIELD, 6' DEEP
A - 300 S.F. x 0.74 GPD/SF - 222 GPD
en ,
RIM 12.57
q� +12.2
avr's _ ,ti
RIM - 12.27 �8M Ce/DH
V /ryy, EL -12.45
evr 3
TBW/ \
{
F > + 1: 13,
<114 � -f/J.o 1
/ FAST 107
N` 1
500 eat
•� SEPTIC C F\ ♦ �_ ��
D -00X TANK i �+. FILL
O 13.36 t• 6 i ) i r O
♦ Y ,C,. \\
I?rw 10
�'9c +10.6 // 9.7
t t Y +�-JOIE REMOVAL,
SEE NOTE a �\p...►�' • _:;J. \ s'F /
LEACH . 12.7 1,qf\yl \ �F�y YW 9
FIELD
BM CB/DH
EL -14.11
avW e
FILL
\J
1\
\(3318= S.F. Ja"
i
r
. nJ
\ 10.0 TOP OF WATER 7/30/97
uam 2 EL e.o
10.0
9.0
/• G p4`v
N
SOIL TEST PIT DA TA e
INDICATES INDICATES
PERCOLATION = OBSERVED
TEST GROUNDWATER
TP +2A TP *3A
0'12.94 O' 12.94
SAND LOAN
FILL 508501E
12' ........... 11.94 is.
. ........... 11.44
LoaM
SUBSOIL
24' ............ 10.94
COARSE COARSE
SAND SAND
72'-* 16.94 72'-tt 16.94
2.94 76' t 16.61
DATE: DECEMBER 6. 1990
TEST BY: C. YOUNG. DOWN CAPE
WITNESSED BY: DAVE MASON. BOH
PERC RATE: ! 2 MIN/INCH
LOCUS MAP
SEPT/C
SYS
TEEM
OE -S /G/V
300 LO/VG POND
OR
/ VE.
MAP
52. PARCEL A / 7
SOUTH YAR"OUTH, AWA
PREPARED FOR :
MRS. GOROO/V G/q RO / NER
0/0 L O/VG POND DR / VE. SOUTH YARMOUTH. /VIA .
SCALE: / - 20 MAY S. /998
REVISED: SEPTEMBER 16. 1998
EAGLE SURVEYING, INC
923 Route 6A
/ Yarmouthport, MA. 02675
(508) 362-8132
( 508 ) 432-5333