HomeMy WebLinkAboutEngineered Plans - 2017REMOVE EXISTING LEACH PIT AND
ALL ASSOCIATED CONTAMINATED
MATERIALS AND REPLACE WITH
CLEAN MEDIUM SAND PER TITLE 5
(370 CMR 15.255(3)).
INSTALLER MAY MOVE VENT PIPE
TO A DIFFERENT LOCATION. i
TREE REMOVAL AT INSTALLERS
DISCRETION.
A SAMPLE OF THE C SOIL
WAS SUBMITTED FOR SIEVE / o
ANALYSIS AND WAS FOUND
TO BE 99% SAND WITH AN
ASSIGNED PERCOLATION RATE
OF 2 MINUTES PER INCH / p
0
6�1S DATUM ASSUMED
0 N
SCALE: I in = 20 ft
O 20 40
O 70 20
PRINT ON 8-1/2 x 14 in
PAPER FOR PROPER SCALE
VARIANCE REQUESTED
310 CMR 15.221(7) — COMPONENT
DEPTH TO FINISH GRADE. 36 in
MAX REQUIRED — VARIANCE TO
72 in OF COVER REQUESTED.
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UPPER FLOOR MAIN FLOOR BASEMENT
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L EG ND
SEPTIC COMPONENTS
EXISTING
1000 GAL
SEPTIC TANK
•EXISTING
LEACH PIT/
CESSPOOL
DISTRIBUTION BOX e❑
TEST PIT O
PR POSED
�SA S
SEE DETAIL A
ON BACK
O
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Iv -A VEN;
�9 PI Pt
38
THIS ISA 39� \
�VL�m �.
PLAN
USE COLOR PLAN ONLY
FOR INSTALLATION
FULL DETAIL IS BEST
VIEWED IN
FULL COLOR
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i
SEWAGE DISPOSAL
oF'Nsss9 P�jH oFsass -l� SYSTEM PLAN
DAVIDOyGJ�� DAVID 90�G -TD SERVE EXISTING DWELLING
D. D. � ROBIN H FAUGHT
C) COUGHANOWR N v COUGHANOWR
No. 1093 No. 461 •' c/o US BANK TRUST
DWNERISI OF RECORD
�FGI -PP VES �, � � ��� '
0 69 CAMP STREET
VAS ` J YARMOUTH. MA
155 Geo Ryder Rd S PROPERTY ADDRESS
Chatham, MA 02633
Davidcou@Hotmail.com DATE FEBRUARY 12. 2017
508 364-0894 PG l/2 Joer ETE-4132 .F.
S O � L TEST LOG JANUARY 11, 2017
SOIL EVALUATOR: DAVID D. COUGHANOWR. ASE *461
WITNESSED BY: AMY VON HONE. HEALTH DEPT.
TEST PIT 1 NO GROUNDWATER ENCOUNTERED
2 MIN/INCH IN C SOILS
ELEVATION
Cto] &fez
34.67-
28.50 -
DEPTH
INCHES
SOIL
HORIZON
USDA SOIL
TEXTURE
SOIL COLOR
(MUNSELL)
SOIL
MOTTLES
OTHER
0-44
FILL
READING
9.27
ADJUSTMENT
4.77
44-52
Ap
SANDY LOAM
10 YR 3/2
NONE
FRIABLE
52-70
Bw
LOAMY SAND
10 YR 4/6
NONE
FRIABLE
70-144
C
MEDIUM SAND
10 YR 514
NONE
LOOSE
OBSERVED GW
NONE AT 22.65
INDEX WELL
MIW-230
ZONE
C
READING DATE
JANUARY 2017
READING
9.27
ADJUSTMENT
4.77
ADJUSTED GW
BELOW 27.42
TEST PIT 2
UNWITNESSED
FEB 12 201?
ELEVATION
25.00
NO
GROUND
WATER
22.65
1000 GALLON SEPTIC TANK
TANK TO BE PUMPED DRY AT TIME OF INSTALLATION
AND EXAMINED FOR STRUCTURAL INTEGRITY. INSTALL
NEW PVC OUTLET TEE EQUIPPED WITH A GAS BAFFLE.
REPLACE WITH A NEW
I In 1500 GALLON TANK
TAPER IF CRACKED, ROTTED
OR OTHERWISE
"- COMPROMISED.
S
O
0
O NOT
TO
uo SCALE
i
ft -6
INLET OUTLET
CO VER CO VER
F/N DROPFLOW LINE
FROM 14 TO
BUILDING
1^ D -BOX .
48 in
LIQUID GAS
LEVEL BAFFLE
6 in STONE BASE lF NEW
SEPARATION BETWEEN INLET & OUTLET
TEES NO LESS THAN LIQUID DEPTH
CROSS SECTION VIEW
D§ S TR § B U T §OIIV � OW uSE
DB -3 H20Y
DIMENSIONS PIPES EXITING D -BOX TO RUN LEVEL
AND DETAIL FOR 2 FEET BEFORE PITCHING DOWN
12 i
MIN
,.FROM
•TANK ' SAS
TO
STONE6 in
CROSS SECTION VIEW
DESIGN FLOW: 3 BEDROOMS X 110 GPD = 330 GPD
SEPTIC TANK: 330 GPD X 2 DAYS = 660 GALLONS
USE EXISTING 1000 GALLON SEPTIC TANK IF IN
SOUND STRUCTURAL CONDITION. IF NOT, INSTALL
NEW 1500 GALLON SEPTIC TANK.
DISTRIBUTION BOX: INSTALL UNIT DEPICTED BELOW.
SOIL ABSORBTION SYSTEM:
THE LONG TERM ACCEPTANCE RATE FOR A CLASS ONE
SOIL WITH A PERCOLATION RATE BELOW 5 MINUTES
PER INCH = 0.74 GALLONS PER DAY PER SQUARE FOOT.
THE 24 ft x 12.5 ft x 2 ft LEACHING GALLERY
DEPICTED BELOW CAN LEACH:
BOTTOM AREA = (24 x 12.5) = 300 sq. ft.
SIDEWALL AREA = (24+24+12.5+12.5)x2 =146 so. ft.
TOTAL AREA = 446 sq. ft.
FLOW CAPACITY = 0.74 x 446 = 330.04 gal/day
INSTALL A 24 ft x 12.5 ft x 2 ft GALLERY AS CONFIGURED
BELOW. FLOW CAPACITY = 330.04 gal/day WHICH EXCEEDS
THE 330 gal/dog REQUIRED FOR A THREE BEDROOM DESIGN.
SO§L ABSORP 1I h'Oo N
QYq XrAV rnNSTRI1rTInN I)FT411
USE SHOREY PRECAST 500• DRYWELL
DRYWELL 24.0 ft
UNIT
M
OD �
�I
co
Lo
EEI J
v (V'•.
CV �I
�y I
, 1
-Amo
STONE
ft 8.5 ft 8.5 ft 3.5 ft
1.3.5
11
500 GALLON DRYWELL
DIMENSIONS & DETAIL INSTALL ONE INSPECTION
RISER TO WITHIN THREE
INCHES OF FINAL GRADE
& INDICATE LOCATION
ON AS -BUILT
0�0 36
as 00
aoa�OaczaOQO n USE
000c 0j IZ3 00 000 H-20
czIdQc-
Q ( RATED
UNITS
--n
102 n
CROSS SECTION VIEW
INSTALL AN APPROVED GEOTEXTILE
FABRIC OVER STONE
2E 3/4 in TO 0 24 in 3/4 in TO
1-1/2 in GRAVEL EFFECTIVE. 1-1/2 in GRAVEL
in . DEPTH ■
�k
46 in 58 in 46 in
150 in
-INSTALLER TO OBTAIN DISPOSAL WORKS PERMIT BEFORE
STARTING WORK.
-ALL COMPONENTS INSTALLED SHALL MEET THE MINIMUM
REQUIREMENTS OF MASSACHUSETTS TITLE 5 SEPTIC
CODE (310 CMR 15).
-INSTALLER TO VERIFY LOCATIONS OF ALL UNDERGROUND
UTILITIES BEFORE EXCAVATING FOR SYSTEM.
-ECO-TECH ENVIRONMENTAL RECOMMENDS THE INSTALLATION
OF LOW FLOW FIXTURES & APPLIANCES. AND PERIODIC
PUMPING OF THE SEPTIC TANK.
-SEPTIC TANK IS NOT DESIGNED TO WITHSTAND VEHICULAR LOADING.
DO NOT PARK OR DRIVE VEHICLES OVER SEPTIC TANK.
[�
L O W
p �
O F J L C
-TOP
EL
OF FOUNDATION RAISE
= 41.02 +- 6 in
v v i/�
COVERS TO WITHIN
OF FINAL GRADESAND
v v 1f
ALL PIPE TO BE SCH. 40 PVC
TO PITCH AT 1/8 in/ft MINE
PrVNT
EXISTING
EXISTING
1 UN G ,01 1111
D -BOX j6, I Pa USE
USE H-20 uNlrs
TEE 35.50 MAX if
RATED
_jr�31111111110 f, mmm!51
PRECAST
SEPM TANS 36.45 34.60 DRYWELL
EXISTING REFER TO DETAIL BOX 6 /n SORPMON
34.77 STONE S00� AB
BASE 34.50 SYSTEM —REFER TO
EXISTING 6 !n STONE BASE IF NEW 11 ft 5-12 ft DETAIL BOX
32.50 NO GROUNDWATER Ln BELOW
NO
OBSERVED-4-1 27.42
SEWAGE DISPOSAL SYSTEM PLAN F69 CAMP STREET YARMOUTH, MA JIFEBRUARY 12, 2017 ETE-4132 PG 2/2