HomeMy WebLinkAboutEngineer PlanCDDH
103 78
PA DRIVEWAY
k LOT 4
11,590±S.F. 100,25
102.96 `
102.62 `N� + 100,39
103.12� 103.26 i \`s
MHO
SPIKE /T0.F.=
103.+
PATIO
3
9M
SEWER CONNECTION-J
INV.=101,8t(VERIFY)
INSTALL CLEANOUT
+ 10330 �"
[03.08 0 '�-w3
102
S 39'06'10"--AL
m
PROPOSED SEPTIC TANK
EXISTING SEPTIC TANK —
TOP = 102.74, INV.(IN)=101
TO BE PUMPED, CRUSHED
AND FILLED
PROPOSED S.A. —J
2-500 GAL CHA BERS
SURROUNDED WITP STONE
a
100.45
'1 y� , "
PAVED ry
71 `
PK SET
100.00 dI
Yarmouth
99,01
9934
EXISTING CESSPOOL
TO BE REMOVED
(SEE NOTE 71) 10 Of
I, NAIL
IEL.C--10000 SETT)
PETER T.
McENTEE
--98--
EXISTING
CONTOUR
x 100.98
EXISTING
SPOT GRADE
—OHW--
OVERHEAD WIRES
— G —
EXISTING
GAS SERVICE
—W—
EXISTING
WATER SERVICE
0111
TEST PIT
SEP 2 7 2022
IEALTH DEPT.
1. ALL CHANGES TO THIS PLAN MUST BE APPROVED. BY THE LOCAL
BOARD OF HEALTH AND THE DESIGN ENGINEER.
2. ALL WORK AND MATERIALS SHALL CONFORM TO THE REQUIREMENTS
OF THE STATE ENVIRONMENTAL CODE, TITLE V, AND ANY APPLICABLE
LOCAL RULES AND REGULATIONS.
3. THE SEWAGE DISPOSAL SYSTEM SHALL NOT BE BACKFILLED PRIOR
TO INSPECTION AND APPROVAL BY THE BOARD OF HEALTH AND THE
DESIGN ENGINEER,
4. ANY CONDITIONS ENCOUNTERED DURING. CONSTRUCTION DIFFERING
FROM THOSE SHOWN HEREON SHALL BE REPORTED TO THE DESIGN
ENGINEER BEFORE CONSTRUCTION CONTINUES.
5. ALL ELEVATIONS BASED ON ASSUMED DATUM.
6. THE DESIGN ENGINEER IS NOT RESPONSIBLE FOR THE FAILURE OF
THE CONTRACTOR OR OWNER TO NOTIFY THE LOCAL BOARD OF
HEALTH FOR PROPER INSPECTIONS DURING CONSTRUCTION.
7. WATER SUPPLY PROVIDED BY TOWN WATER SERVICE.
S. THERE ARE NO WELLS WITHIN 150' OF THE PROPOSED S.A.S.
9. ALL AREAS CLEARED FOR CONSTRUCTION SHALL BE RESTORED AS
AGREED UPON BY OWNER AND CONTRACTOR OR AS OTHERWISE
DIRECTED BY THE APPROVING AUTHORITIES.
10. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO VERIFY
THE LOCATION OF ALL UNDERGROUND UTILITIES, PRIOR TO BEGINNING
CONSTRUCTION.
11. WHERE REQUIRED, CONTRACTOR SHALL REMOVE ALL UNSUITABLE SOILS
IN THE AREA BENEATH AND FOR 5' ON ALL SIDESOF THE S.A.S. AND
REPLACE WITH CLEAN SAND AS SPECIFIED IN 310 CMR 255(3).
12. AREAS REQUIRING STRIPOUT OF UNSUITABLE MATERIALS SHALL BE
INSPECTED BY HEALTH DEPARTMENT PRIOR TO BACKFILL
13. THIS PLAN IS TO BE_USED FOR SEPTIC SYSTEM PURPOSES ONLY AND
IS NOT TO BE CONSIDERED A PROPERTY LINE SURVEY.
o CIVIL N
MAP ID: 50-139
No. 35109
.SYSTEM
REcrS1E�\�'.Q
PROPOSED
SEPTIC UPGRADE
PLAN
60 WOOD
ROAD, SOUTH YARMOUTH,
MA
q
10'L �
Prepared for: Dorothy Seward, 110 Chestnut Street, Apt 6, Waltham, MA
OWNER OF RECORD
Engineers:
Surveyors:
SCALE
DRAWN
JOB. N0.
SEWARD, DOROTHY E
Engineering Works, Inc.
JCEngineering, Inc.
1"=20'
P.T.M.
278-22
C/O ROBERT SEWARD
110 CHESTNUT ST, APT 6
12 West Crossfield Road
Foreatdale, MA 02644
2854 Cranberry Hwy.
E.Waroham, MA 02538
DATE
CHECKED
SHEET N0.
WALTHAM, MA 02453
(508) 477-5313
(508) 273-0377
9/6/22
P.T.M.
1 Of 2
EXISTING SEPTIC TANK
PROVIDE RISERS WITH COVERS OVER INLET &
OUTLET MANHOLES SET TO 6" OG FINISH GRADE.
.O.F.=104.0t-107.3t
F.G. EL.=103.0t
L=20'
0 S=1% (MIN.)
4"SCH40PVC
INV.=
101.0E
INSTAL RISER & COVER
SETT 6" OF GRADE
F.G. EL.=103.2t
MEMO
T_/
10'
DD GAS
(MIN . )
11
00.075
• • �• 1t _ 1�7�i1C�il:Pl i
101.8t(VERIFY)
NOTES:
1) CONTRACTOR SHALL VERIFY ALL EXISTING PIPE
INVERTS, PRIOR TO INSTALLATION.
2) SEPTIC TANK & D—BOX SHALL BE SET LEVEL AND
TRUE TO .GRADE ON A MECHANICALLY COMPACTED
STABLE BASE OR 6" AGGREGATE BASE, AS SPECIFIED
IN 310 CMR 15.221(2).
3) INSTALL INLET & OUTLET TEES AS REQUIRED.
4) A GAS BAFFLE SHALL BE INSTALLED ON OUTLET TEE
AS MANUFACTURED BY TUF—TITE, ZABEL OR EQUAL.
DESIGN CRITERIA
F.G. EL.=101.5t
L = 16'
® S=17 (MIN.)
4'SCH40 PVC
NOTE: TO PREVENT BREAKOUT, THE PROPOSED
FINISH GRADE SHALL NOT BE < EL. 97.90
FOR A DISTANCE OF 15' AROUND THE
PERIMETER OF THE S.A.S.
PROPOSED S.A.S.
INSTALL RISER & COVER OVER ONE CHAMBER AND
SET TO 3" OF F.G. TO SERVE AS INSPECTION PORT
� F.G. EL.=101.0t
-INV.=100.00
EFFECTIVE WIDTH = 11.8'
INV.=97.40 2-500 GALLON LEACHING CHAMBERS
SURROUNDED WITH STONE AS SHOWN
H-20 RATED
TOP CONC.
ELEV.= 98.5t —
BREA
OUT
ELEV.= 97.90 —
INV.
ELEV.= 97.40 —
B0
OM
ELEV.= 96.40-
4' OF NATURALLY
OCCURRING
PERVIOUS
MATERIAL
5' A
OVE
GROUNDWATER
NO GROUNDWATER, EL.=88.9 -
SEPTIC SYSTEM PROFILE
NUMBER OF BEDROOMS: 3
SOIL TEXTURAL CLASS: CLASS I (LOADING RATE=0.74 GPD/S.F.)
DESIGN PERCOLATION RATE: <2 MIN/IN
DAILY FLOW: 330 GPD
DESIGN FLOW: 330 GPD
GARBAGE GRINDER: NO —not allowed with design
LEACHING AREA REQUIRED: (330 GPD) = 445.9 S.F.
.74 GPD/S.F.
PROPOSED SEPTIC TANK: 1500GALLON CAPACITY
PROPOSED D—BOX: 1 INLET, 3 OUTLET (MINIMUM), H-20 RATE[
USE 2-500 GALLON LEACHING CHAMBERS IN SERIES
SURROUNDED BY DOUBLE WASHED STONE ON ALL SIDES
SIDEWALL AREA: 2(11.8' + 27.0') x 2 = 155.2 S.F.
BOTTOM AREA: 11,8' x 27.0' = 318.6 S.F.
TOTALAREA: ................... ......... .............................. 11473.8 S.F.
DESIGN FLOW PROVIDED: 0.74 GPD/S.F.(473.8 S.F.) = 350.6
—2" LAYER OF 1/8' TO 1/2"
DOUBLE WASHED STONE
(OR APPROVED FILTER FABRIC)
—3/4" TO 1-1/2" DOUBLE
WASHED STONE
EFFECTIVE LENGTH = 27.0'
LEACHING SYSTEM SECTION
3/4- TO 1-1/2" DOUBLE
WASHED STONE
3" LAYER OF 1/8" TO 1/2"
DOUBLE WASHED STONE
(OR .APPROVED FILTER FABRIC)
SOIL LOG
DATE: AUGUST 18, 2022
SOIL EVALUATOR: PETER McENTEE PE, SE-1542
WITNESS: JAY GARDINER HEALTH AGENT
ELEV. T P DEPTH
100.4 o"
FILL I t
98.6. 22"
Ab LOOAMRY 4A2 SAND r1
98.1 B 28" SEI� 2:7
10YRY5/6 LOAM HEALTH D
97.4 C 36"
PERC
MED, SAND
2.5YR 6/6
88.9 1 1 138"
PERC RATE <2 MIN/IN. ("C" HORIZON)
NO GROUNDWATER ENCOUNTERED
HOUSE(#60)
104.0E-1G
co.r
I j
PROPOSED S.A.S.
2-500 GAL CHAMBERS
SURROUNDED WITH STONE
SEPTIC LAYOUT
�11.999m,11111,
t�1 1�f t�l 1 1 1 f 11 1t�lt�1 �11� 1=11�11�1
1
4" KNOCKOUT
20" DIA. COVER
4" KNOCKOUT O� 4" KNOCKOUT
4" KNOCKOUT
500 GALLON CAPACITY, H-20 LOADING
CHAMBERS
58"
PROPOSED SEPTIC SYSTEM UPGRADE PLAN
60 WOOD ROAD. SOUTH YARMOUTH. MA
Prepared for: Dorothy
Seward, 110 Chestnut Street,
Apt 6,
Waltham, MA
Engineere:
Surveyors:
SCALE
DRAWN
JOB. NO.
Engineering Works, Inc.
JCEngineering, Inc.
N.T.S.
P.T.M.
278-22
12 West Crossffeld Rood
Forestdole, MA 02644
2854 Cranberry Hwy.
E.Worehom, MA 02538
[DATE
CHECKED
SHEET N0.
(508) 477-5313
(508) 273-0377
/6/22
P.T.M.
2 of 2