HomeMy WebLinkAboutEngineered Plans - 2018TBM-2
Cor./Bott. Step
EL, =101. 94
i
PB 220-PG 149
N 07'37'3.4" W
99.68 �, • S 7 --'+
x `w� / 100,06
LOT 21
(-9-,943-t- S. F /
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x 100.21
99.84 1 x 1100.66 BH
T'
N QI /
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04 o 1 /EXISTING/
N
00 1 HOUSE(#50)/
9b,78 T. 0. F.=102.2f
xI
x
I, 100.59 /
I
EXISTING SEPTIC TANK I
TOP OF TANK, EL.=99.53 99,97 TP
INV.(OUT)=98.20t(VERIFY)
PROPOSED S.A.S.-
-10'
EXISTING LEACH TRENCH
TO gE REMOVED (SEE NOTE 11)
99.83
+ 100.54
x 100,16 SPIKE
PAT/0
100,89
® GEN.
m AC
_4-o0� �- a
99,92 EDGE OF PAVEMENT 9 9.9 5
COLBURNE
PLAN REFERENCE: CERTIFIED PLOT PLAN' BY LOW & WELLER, INC.,
YARMOUTH, MA DATED 10/30/84
Permif valid for REPAIR ()F SEPTIC SYS'fEM
ONLti :,. duc to State and I ."cal septic variances.
Board of Ileafth review and approval is required' for
any C titre additions/ren+,satiou+/alterations to
sewage facilities and/or structu,, esidwetling.
Yarmouth Health Pepattn►ent
AIPP()�'1� DI
RC 4
n�100.04
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100,57
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99.35
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00
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w
+ 100.64 ,1
x 101,28 0 99,82
101.19
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x 100,54,
+ 100,73
100.33
00,90
05
100,19
99,96
-LP.ATH
.23 99.83
J
99,781
e AG, NAIL
99,77
TOM-1
MAG. NAIL SET
EL. = 99.77
Date
q
W
N* OF MgsS.
o PETER T.
McENTEE
� CIVIL
35109
W3cst(�-
OWNER OF RECORD
ROBILLARD, BERNICE TR
THE AGN!ES A EGAN IRREV TRUST
10 BROOKMEADE CT
STERLING, VA 20165
LEGEND
_�dq,
old
Town House
R
- - gg --
EXISTING CONTOUR
Ivanhoex
ioo:98
EXISTING SPOT GRADE
-W
EXISTING WATER SERVICE
N•
//
-G -
EXISTING GAS SERVICE
o Ave
OVERHEAD WIRES
CDo
Cn5 tonce
TEST PIT
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Cardinal Ln
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LOCUS MAP
GENERAL NOTES: NOT TO SCALE
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, EXCEPT AS REQUESTED BELOW:
-310 CMR 15.405(1)(b):
1) A 3' variance, S.A.S. to cellar wall, for a 17' setback.
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 AN ASSIGNED 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.
8, THERE ARE NO WELLS WITHIN 100' 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 SIDES OF 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 DESIGN ENGINEER PRIOR TO BACKFILL.
13. THIS PLAN IS TO BE USED FOR SEPTIC SYSTEM PURPOSES ONLY AND
NOT CONSIDERED TO BE A PROPERTY LINE SURVEY.
14. THE ENGINEER IS NOT RESPONSIBLE FOR ANY UNDOCUMENTED SEPTIC
SYSTEM COMPONENTS NOT SHOWN ON THE PLAN
MAP ID: 76-68
PROPOSED SEPTIC SYSTEM UPGRADE PLAN
50 COLBURNE PATH, WEST YARMOUTH, MA
Prepared for: D.A. Brown, Inc., P.O. Box 145, Centerville, MA 02632
Engineering by: SCALE DRAWN JOB. NO.
Engineering Works, Inc. 1 "=20' P.T.M. 279-18
12 West Crossfield Road, Foeestdole, MA 02644 DATE CHECKED SHEET NO.
(508) 477-5313 11/30/18 P.T.M. 1 Of 2
PROPOSED SEPTIC TANK
PROVIDE RISER WITH FRAME & COVER OVER
INLET & OUTLET MANHOLES AND SET OUTLET RISER
TO FINISH GRADE. OUTLET COVER SHALL BE SECURED
TO PREVENT UNAUTHORIZED ACCESS.
T.O. F=102.2 t
-F.G. EL.=101.0f F.G. EL.=100.7f
I 1
14 EXISTING 48" LIQUID
LEVEL ADD GAS
I BAFFLE
NOTES:
1) CONTRACTOR SHALL VERIFY ALL EXISTING PIPES &
INVERTS EXITING HOUSE, PRIOR TO INSTALLATION.
2) D-BOX SHALL BE SET LEVEL AND TRUE TO GRADE
ON A MECHANICALLY COMPACTED SIX INCH CRUSHED
STONE BASE, AS SPECIFIED 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
NOTE: TO PREVENT BREAKOUT, THE PROPOSED
FINISH GRADE SHALL NOT BE < EL.98.0
FOR A DISTANCE OF 15' AROUND THE
PROPOSED D-BOX PERIMETER OF THE S.A.S.
INSTALL RISER & COVER PROPOSED S.A.S.
SET TO 6" OF GRADE INSTALL RISER & COVER OVER ONE CHAMBER AND
SET TO 3" OF F.G. TO SERVE AS INSPECTION PORT
F.G. EL.=100.5f F.G. EL.=100.5t
MAINTAIN 2% SLOPE OVER S.A.S.
L= 7'
® S=1% (MIN.)
4"SCH40 PVC
INV.=97.83 J PROPOSED
INV.=98.20 D BOX
(VERIFY) 3 OUTLETS
H-10
L = 16'(MAX.)
S=1% (MIN.)
4"SCH40 PVC
-2- LAYER OF 1 /8" TO 1 /2"
DOUBLE WASHED STONE
(OR APPROVED FILTER FABRIC)
—3/4" TO 1-1/2" DOUBLE
2.6 4.8' 2.6' WASHED STONE
INV.=97.66
EFFECTIVE WIDTH = 1,0'
INV.=97.50
2-500 GALLON LEACHING CHAMBERS WITH STONE
AROUND AND BETWEEN CHAMBERS AS SHOWN r
H-10 RATED
2' EFF.
DEPTH
TOP CONC. ELEV.= 98.3t
BREAKOUT ELEV.= 98.00
INV. ELEV.= 97.50
BOTTOM ELEV.= 95.50-
4' OF NATURALLY OCCURRING
PERVIOUS MATERIAL
5' ABOVE GROUNDWATER
NO GROUNDWATER, EL.=88.8 -
4
SEPTIC SYSTEM PROFILE
NUMBER OF BEDROOMS: 3 BEDROOMS
SOIL TEXTURAL CLASS: CLASS I (LOADING RATE=0.74 GPD/SF)
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 SF
.i1+ �-,ru/3r
EXISTING SEPTIC TANK: 1000 GALLON CAPACITY
PROPOSED D-BOX: 1 INLET, 3 OUTLET (MIN.), H-10 RATED
USE 2-500 GALLON LEACHING CHAMBERS IN SERIES WITH
STONE AROUND AND BETWEEN CHAMBERS (10' x 29.0')
SIDEWALL AREA: 2(10.0' + 29.0') X 2 = 156.0 SF
BOTTOM AREA: 10.0' x 29.0' = 290.0 SF
TOTAL AREA: ....................................... ...................... 446.0 SF
DESIGN FLOW PROVIDED: 0.74 GPD/SF(446.0 SF) = 330.0 GPD
8.5' 4'
EFFECTIVE LENGTH = 29.0'
LEACHING SYSTEM SECTION
I 3/4" TO 1-1/2" DOUBLE
WASHED STONE
3" LAYER OF 1/8" TO 1/2"
DOUBLE WASHED STONE
(OR APPROVED FILTER FABRIC)
i
SOIL LOG
DATE: NOVEMBER 29, 2018
SOIL EVALUATOR: PETER McENTEE PE(SE#1542)
WITNESS: AMY VON HONE IRS HEALTH AGENT
ELEV. TP DEPTH
100.5 0
FILL
100.0 A1 6"
LOAMY SAND
99 5 10YR 4/2
B 12"
LOAMY SAND
10YR 5/8
98.0 3P
C ERC
30"/48"
COARSE SAND
10YR 6/4
88.8 1 128"
PERC RATE <2 MIN/IN. "C" HORIZON
NO GROUNDWATER ENCOUNTERED
SEPTIC LAYOUT
BEDROOM ffDROOM
HALL
BEDROOM BATH
PATIO
H ENTRY
DN
KIT./DIN.
ENTRY
j GARAGE
LIVING
ROOM
ENTRY
FLOOR PLAN
PROPOSED SEPTIC SYSTEM UPGRADE PLAN
50 COLBURNE PATH, WEST YARMOUTH, MA
Prepared for: D.A. Brown, Inc., P.O. Box 145, Centerville, MA 02632
Engineering by: SCALE DRAWN JOB. NO.
Engineering Works, Inc. N.T.S. P.T.M. 279-18
12 West Crossfield Road, Forestdale, MA 02644 DATE CHECKED SHEET NO.
(508) 477-5313 11/30/18 P.T.M. 2 Of 2