HomeMy WebLinkAboutEngineered Plans - 2019WEST YARMOUTH
TBM = EL. 99.6 �
201.121 GARAGE SLAB 00
- - / JEFFERSON AVENUE
LOT 63 � I / r uj D
23,522± S.F. I /
(0.54± AC.) P , N
POOL -1
C) r p j LOCUS
' 74 WASHINGTON A\
p Ip / ---L_ __�, LOCUS MAP
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c LOCUS INFORMATION
C\1 �� I , N , �►. PLAN REF: LCP 432742-1
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Q I ' (Y)' PARCEL ID: MAP 63 PAR. 74
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c;(0 O I / I FLOOD ZONE: NOT IN FLOOD ZONE
SEPTIC SYSTEM
' °)J = REPAIR PLAN
� �z W o / LOCATED AT:
OLQ N /
� z � _ / � 74 WASHINGTON AVE.
00 WEST YARMOUTH, MA
/\ w 1 PREPARED FOR
�p
0)—ATTY REBECCA R. CAREY/
�1 — — a- �- aqui -wo-V , CONS. FOR DOROTHEA McGURK
— — Q APRIL 10, 2019
iii i-------�,�� LL"'AA, -....-
0
i 70.23'
THEODOP\957
P\005EVELT,P\D, GENERAL NOTES:
I. ALL CHANGES TO THIS PLAN MUST BE APPROVED BY THE LOCAL
BOARD OF HEALTH AND THE DESIGN ENGINEER.
2. ALL WORK AND MATERIALS SHALT_ 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 MUNICIPAL WATER.
8. ALL AREAS DISTURBED DURING CONSTRUCTION SHALL BE RESTORED
TO A CONDITION AGREED UPON BETWEEN OWNER AND CONTRACTOR.
9. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO VERIFY
THE LOCATION OF ALL UNDERGROUND UTILITIES. PRIOR TO BEGINNING
CONSTRUCTION.
10. EXISTING LEACHING TO BE CRUSHED, PUMPED AND REMOVED PER TITLE 5.
11. 48 HOUR NOTICE FOR ENGINEER CERTIFICATION
12. THIS PLAN IS TO BE USED FOR SEPTIC SYSTEM PURPOSES ONLY
AND IS NOT TO BE CONSIDERED A PROPERTY UNE SURVEY
13. NO PRIVATE WELLS WITHIN 100 FT. OF PROPOSED LEACHING
14. ALL PIPE TO BE 4- SCH 40 • 1/8 -/FT (UNLESS SPEC. OTHERWISE)
15. THE DESIGN OF THIS SYSTEM DOES NOT ALLOW
FOR THE USE OF A GARBAGE GRINDER
16. NO WETLANDS WITHIN 100 FT. OF PROPOSED LEACHING
17. REMOVE UNSUITABLE SOILS 5 FEET AROUND LEACHING TO EL 93.70
OR TOP OF C LAYER AND REPLACE WITH CLEAN MEDIUM SAND PER
TITLE 5.
18. PLACE 40m1 POLY LINER AROUND ENTIRE LEACHING AT EDGE OF
SOIL REMOVAL, FROM ELEVATION 98.40-94.40, TO PREVENT BREAKOUT.
19. PLACE GEO—GRID UNDER LEACHING AS SHOWN
Health Department
PROVED
Date
SCALE: 1"=20'
LEGEND
PROPOSED CONTOUR
® PROPOSED SPOT GRADE
--98-- EXISTING CONTOUR
+ 96.52 EXISTING SPOT GRADE
W— EXISTING WATER SERVICE
TEST PIT
OF
STEVEN
oRUMBA
N0.35797 �'
U
140
MEYER & SONS INC.
P.O. Box 981
E. SANDWICH, MA 02537
PH. (508)360-3311
fax (774)413-9468
meyerandsonstitle5@gmail.com
SHEET 1 OF 2
697
T.O.F. EL.=103.10
PROPOSED TANK
INSTALL RISERS W/IN 6" OF FINISH GRADE
EL100.0± r- EL99.O±
A11 EL. 98.20
OSa2X
(MIN.) ,
�• TEES ARE TO BE
e . 4• SCH 40 PVC
:v
Exist. Invert w
INV.= 97.15
NOTE: MAGNETIC TAPE TO BE PLACED OVER ALL COVERS
PUMP CHAMBER D -BOX
INSTALL RISERS TO w/in 6' OF FINISH GRADE INSTALL RISERS W/IN 6" OF FINISH GRADE
0 Se 1X (MIN.)
(-INV.= 96.90
INV.=96.50
EXIST. 1,000 GALLON MONOLITHIC SEPTIC TANK
NOTES: 1) CONTRACTOR SHALL VERIFY ALL EXISTING
PIPE INVERTS PRIOR TO CONSTRUCTION.
2) PUMP CHAMBER AND D -BOX SHALL
BE SET TRUE TO GRADE ON A MECHANICALLY
COMPACTED SIX INCH CRUSHED STONE BASE AS
SPECIFIED IN 310 CMR 15.221(2).
3) INSTALL PVC INLET/OUTLET TEES IN SEPTIC TANK AS REQUIRED.
4) GAS BAFFLE W/ FILTER TO BE INSTALLED ON OUTLET TEE
AS MANUFACTURED BY TUF-TITS, ZABEL OR EQUAL
INSTALL 1' PVC CONDUIT TO HOUSE FOR WIRING
WITH WATERTIGHT JOINTS. WIRE HIGH WATER ALARM
FLOAT TO GP 2000 HIGH WATER ALARM PANAL ON
CIRCUIT SEPARATE FROM CIRCUIT TO THE PUMP.
HOISTING CABLE 7x19 STAINLESS STEEL
1/8" DIAMETER. / 1,760 LB. STRENGTH.
PC INV.(OUT)=96.25
ALARM ON EL: 94.08
PUMP ON EU 93.58
PUMP OFF EU 93.25
BOTTOM OF INT. P.C. EL 92.25
FEL98.80± F EL98.80± F.G. EL- 99.8±
INSTALL
SANITARY TEE
"EL.97.55±40pVC
to• .. - i f oRCE MpdN �La-
.27
s
FINISH GRADE=99.25
MAINTAIN 2% MIN SLOPE OVER LEACHING AREA
L=12'(MAX)
4" SCH 40 PVC
0 S= 1% (MIN.) 3.3" TO
INVERT -
4V.=98.20
22' INV.= 98.40j D -BOX -
16" TEE SHALL NOT EXTEND
BELOW FLOW LINE
12" (USE DB -5 W/BAFFLE)
.M M M jft L INV.=96.25
PROPOSED 1,000 GALLON PUMP CHAMBER
SEPTIC SYSTEM PROFILE
N.T.S.
- PROVIDE WATERTIGHT CONCRETE RISER
WITH SECURED COVER TO GRADE
NEMA 4 JUNCTION BOX CORROSION RESISTANT
& LIQUID -TIGHT CABLE CONNECTORS SUPPORTED
BY 1-1/4" PVC CONDUIT. JOINTS TO BE MADE
WATERTIGHT
-2"BALL VALVE w/ UNIONS SCH. 80 PVC
GEORGE FISHER CO. MODEL NO. 560 OR EQUAL
2'SCH. 40 DISCHARGE TO D -BOX
•2"SCH. 40 TEE w/ CLEAN-OUT CAP
PROVIDE 1/4" WEEP HOLE IN DISCHARGE
PIPE FOR SELF -DRAINING FORCE MAIN
2" BALL CHECK VALVE SCH. 80 PVC
100 P.S.I. FLOWMATIC MODEL No. 208S
PROVIDE 2- WIDE ANGLE FLOATS: 1\ 2" SCH. 40 PVC DISCHARGE PIPE
FLOAT NOA: PUMP ON/OFF (BARNES 073618 OR EQUAL)
FLOAT NO.2: ALARM ACTIVATION (BARNES 073612 OR EQUAL) BARNES SEV412 PUMP .5 H.P. 115 V
2" DISCHARGE PASSING 2" SOLIDS VOR EQUAL
NOTE: SEPTIC TANK AND PUMP CHAMBER TO BE FACTORY WATERPROOFED AND SEALED WITH THOROSEAL OR EQUAL
PUMP & ACCESSORIES AVAILABLE AS A UNIT
THROUGH WIGGEN PRECAST CORP., BOURNE MA. (800) 564-6774
PUMP & ACCESSORIES AVAILABLE THROUGH WILLIAMSON ELECTRIC (781) 444-6800
PUMP DETAIL
N.T.S.
BUOYANCY CALCULATIONS
1.000 PUMP CHAMBER
ILPI t: 8.5' x 5' x 4 x 62.4 = 10608 lbs
ground cover: 8.5' x 5' x .75 x 120 = 3,825 lbs
empty tank: 8,000 lbs
groundcover + empV tank > uplift:
3,825 + 8,000 = 11,825 lbs > 10,608 lbs
TANK BUOYANCY CHECK O.K.
DOSING & STORAGE REQUIREMENTS
DAILY FLOW: 330 GPD
DOSING REQUIRED: 8 CYCLES/DAY (SAND)
330 - 4 = 82.5 GALLONS/CYCLE
DISTANCE REQUIRED BETWEEN PUMP
ON AND PUMP OFF FLOATS:
82.5 GAL/CYCLE - 250 GAL/FT = 0.33 FT/CYCLE (4")
STORAGE REQUIRED ABOVE WORKING LEVEL: 330 GALLONS
STORAGE PROVIDED:
INV. EL: 96.25 - ALARM ON EL: 94.08 =2.17'
STORAGE PROVIDED = 2.17' X 250 GAL/FT = 542.0 GALLONS
INV.ELEV.=97.99
MIN. COVER OVER S.A.S. = 9"
TWO INSPECTION PORTS(MIN.)
OF FINISH GRADE
4 ROWS OF 6 UNITS AT 4.0'/UNIT = 24.0'/ROW
SOIL ABSORPTION SYSTEM (PROFILE)
�,IVILrtrt BREAKOUT=TOP ELEV.=-98.38
No. 1140 "' INV. ELEV.= 97.99
.iPEnirrc BOTTOM ELEV.= 97.70
NI R
RESTORE VEGETATIVE COVER
poly liner
(see note 18)
PAGE
PERC SAND
EXISTING SUITABLE
MATERIAL
5' MIN. ABOVE BOTTOM OF 11
1D 1� T.P. 5X08' PROVIDED G'W' EFFECTIVE WIDTH = 4 x 2.83' = 11.32'
( ) USE 4 ROWS OF 4 INFILTRATOR QUICK 4 PLUS
ADJ. GROUNDWATER EL.=92.62 - STD LP (3.3" INVERT) UNITS -NO STONE
SOIL LOG
DATE: MARCH 14, 2019
SOIL EVALUATOR: DARREN M. MEYER, R.S.,
WITNESS: A. VONHONE, YARMOUTH
Elev.
TP -1
Depth
97.20
0"
FILL
95.70
18"
A
LOAMY SAND
1OYR 4/1
94.37
B
34"
LOAMY SAND
7.5YR 3/4
93.70
42"
C
MEDIUM -
COARSE
SAND
5.OYR 3/4
89.04
98"
PERC RATE <2 MIN/IN. ("C" HORIZON)
GROUNDWATER OBSERVED AT 55' EL 92.62
WELL;- AIW-230, ZONE D. LEVEL 19.8, ADJ 0.0'
USE OBSERVED GROUNDWATER ELEVATION
PLACE GEOGRID UNDER LEACHING, EXTENDING 1 FOOT PAST PERIMETER
TYPICAL SECTION
KTA
DESIGN CRITERIA
NUMBER OF BEDROOMS: 3 BEDROOM DESIGN
SOIL TEXTURAL CLASS: CLASS I DESIGN PERCOLATION RATE: <2 MIN/IN
DAILY FLOW: 330 G.P.D. DESIGN FLOW: 330 G.P.D.
GARBAGE GRINDER: NO (NOT DESIGNED FOR GARBAGE GRINDER)
SEPTIC TANK/PUMP CHAMBER: 330 gpd x 200% = 660 gpd
USE EXIST. 1,000G W/NEW 1,000G PUMP CHAMBER
LEACHING AREA REQUIRED: (330)/0.74 = 445.94 S.F.
DISTRIBUTION BOX: (4 OUTLETS (MINIMUM))
PRIMARY S.A.S.
USE 4 ROWS OF 6 - INFILTRATOR QUICK _4 STD LP (3.3"_ INVERT)
UNITS WITH NO STONE
BOTTOM AREA: (GENERAL USE APPROVAL FOR 4.73 SF/LF OF CHAMBER)
(CHAMBER UNITS) 24 UNITS x 4.00 LF x 4.73 SF/LF = 454.08 SF
TOTAL AREA = 454.08 SF
DESIGN FLOW PROVIDED: 0.74GPD/SF(454.08SF) = 336 GPD > 330 GPD req'd
PROPOSED SEPTIC SYSTEM UPGRADE PLAN
74 WASHINGTON AVENUE
Prepared for: Atty Rebecca Carey,
Design and Site Plan by:
MEYER & SONS, INC.
PO BOX 981
EAST SANDWICH, MA 02537
508-362-2922
W. YARMOUTH, MA
Cons for Dorothea McGurk
SCALE DRAWN DATE
N.T.S. DMM 04/10/19
REV. DATE SHEET NO.
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