HomeMy WebLinkAboutVariance Request, Application, Plans, HearingINSTALL RISERS TO BRING
COVERS TO WITHIN 6" OF GRADE
PROPOSED 1,500 GALLON
TWO -COMPARTMENT -
10" REINFORCED CONCRETE 4"
SEPTIC TANK
(H2O, WATEMOFFD)
r =3tu
MAX. COVER 3'
MIN. COVER 1'
7' OF 4' SCH 40 PVC
S=1 %-
1,4.25 4.15
0.25
LEVEL
INSTALL OUTLET TEE AND BASE OF
ZABEL FILTER (A1800) 6" CRUSHED
STONE
3' WIDE GEOFAB SILT r- 1 " x 1 " x 3' OAK STAKE
FENCE FABRIC OR
APPROVED EQUAL -
N
6"
GROUND LINE
SILT FENCE/LIMIT OF WORK
BARRIER DETAIL
DETAIL NOT TO SCALE
EDGE OF PAVEMENT
x
BENCHMARK • NOT TO SCALE 4.5 / 5.86
00-FOOTMAG NAIL SET IN PAVEMENT UP
ELEVATION=3.51 (NAVD88) \ i BUFFER ; ;'
TO BVW `
? S 82'49'15" W
I ` 00
CRESCENT COURT /
BVW A I ��� 76, WG 38�.64'
40' WIDEN' LIMIT OF 1"OVERDIG t `
361 / AND 40 MIL HDPE!BARRIER /
x BARRIER ELEV. 2.1 TO 6.7
BVW Al 50-FOOT £ x 5.61 LIMIT OF SJUN f
i BUFFER PR POSED 14.5' X 41.0' I m
�..�TO BVW / PIF� IN STONE LEACH FIELD / CB/DH
SPECTION (p ESSURE DISTRIBUTION)
S(FND)
PORT -
o
�5.2� _. - - r5 BOTTOM OF
00,
%fri
, i ' 41.0' }
S�QST 1 ; i l !!1
titi
GROUNDWATER MONITORING 'HELL �pQG
TOP OF MONITORING WKLL CASING L S
ELEV.=8.00' I c� c��yytiFO n i I
(NAVD88) i �r ( 6 IP II m
C) / I• 6.61 + EXISTING LEANING
BVW A2 I CLEANOUT I -� x 11.5't PITCH PINE TREE
3.46 SILTATION BARRIER _ (np, OF 2 6.1 fi' ! - - �" - TO BE REMOVED
(SEE DETAIL) / I 4.2' � �- - - _ - 10' MIN
I x 6.04 TO
/ - o o
i TP -1
i 6.20 ORIFICE LOCATION z
i 4- (TYP.)
PROPOSED 1,500 GAL
-TWO-COMPARTMENT
6.37 REINFORCED CONCRETE
WETLAND AREA RELOCATE WATER LIN . I % _-� PROPOSED 1,000 GAL m SEPTIC TANK (H20)
(TIDAL) 10-FEET LATERAL SEPARATION-1 REINFORCED CONCRETEz
TO TANKS AND ISAS REQUIRED. i PUMP CHAMBER (H20)
TO BE SLEEVED% IF SEPARATION i
CANNOT BE MET / .85
WILLOW STREET
N
� s
CR�OUR T
SITE
LOCUS
SCALE 1"=1000'
w
z
0
5
J
3'
TOP OF FOUNDATION
ELEVATION=11.25
I I80' OF 4' SCH 40 PVC (LONGER RUN) LL
S=2% MIN.
6.25 IXISTING
4.50
SYSTEM PROFILE
NOT TO SCALE
CLEANOUT TO
z GRADE
THREADED
1 1/2" SCH 40 PVC WITH 1/4" "' END CAP
PERFORATIONS IN THE TOP OF o
THE PIPE (SPACING SHOWN)
J
5' 5' 3'
2" SCH 40 PVC 45' BEND
MANIFOLD
1/4" ORIFICE WITH ORENCO MAXIMUM
2" SCH 40 PVC ORIFICE SHIELD
FORCEMAIN FROM
PUMP CHAMBER 1-1/2" PIPE TO BE RUN
LEVEL
PRESSURE DISTRIBUTION
INSTALL RISERS TO BRING
COVERS TO WITHIN 6" OF GRADE
PROPOSED 1,000 GALLON
REINFORCED CONCRETE
10" PUMP CHAMBER
(H2O. WATERPROOFED)
EL.=3.90
U w
(773 GALLONS) Z CD
tY 0
w
w
ALARM ON EL.=0.73
4"
PUMP ON EL.=0.40 If
6"
Q z
uj ¢
w
PUMP OFF EL.=-0.10
0
w
6"
m
Ln
i MIN. COVER 9" (TYP.) 'S
-------------------------------
SLOPEJ= 40' OF 1-1/2" PERF. SCH 40 PVC S=0.000
(SEE PRESSURE DISTRIBUTION DETAIL)
3/4"-1 1/2" DOUBLE WASHED STONE
41.0' LONG BY 14.5' WIDE LEACHING BED
INSTALL RISERS TO BRING
COVERS TO WITHIN 6" OF GRADE
2" THREADED UNION
---2" BALL VALVE
`-STAINLESS STEEL LIFTING
CHAIN OR CABLE
" WEEP HOLE
2" CHECK VALVE
r- 2" SCH 40 PVC RISER PIPE
MYERS SRM4 4/10 HP
PUMP OR APPROVED EQUAL
PUMP CHAMBER DETAIL
'•OT TO SCALE
OBSERVATION
WELL
READINGS
TP- 1
DATE MME ELEVATION
0==
10/23/22 10:OOAM
1.70' (2 HRS BEFORE HIGH)
HTM
10/27/22 2:50PM
2.13' (NEW MOON)
m
FILL
10/29/22 8:30AM
1.95' (1.5 HRS BEFORE LOW)
;�
1 1 /5/22 1 1 :20AM
1.70' (HIGH TIDE)
z
11/12/22 8:OOAM
1,90' (1 HR BEFORE LOW)
Z)
FRONT DOOR
X' /�, / . 5.63 LIVING ROOM BEDROOM BEDROOM
BVW A3// %` Z
2.67
Q UPPER LEVEL DINING F�
KITCHEN BATH BEDROOM
FXI S TING D WELLING ` I o _j_
1 ;EM
` ! TOP OF FOUNDATION EL = 11.25 (NAVD88)
GM1 FOUR -BEDROOM SPLIT LEVEL STYLE HOME i I
� r
1 ; 5.72
m
1
BVW A4 1� I z 1 'i I EX DECK I I LOWER LEVE
1
COrri
mil
1 t O I I
WETLAND AREA �'' EXISTING TANK
y 1 i � / o �
(TIDAL) / ! 0 t -(TO BE BACKFILLED I
1 ; r -I AND ABANDONED �, EXISTING AC
L.J OR REMOVED) CONDENSER AND
/ I( - _ _ _ - _ I APPROXIMATE LOCATION ` r + - x O I OF AC CONDENSER
BVW A5 EXISTING DECK ; 6.42 � LINE TO DWELLING
00
BVW A5A \ I EXISTING LEACHFIELD ` ` c
3.13 \ \ / i (TO BE ABANDONED) I 1 n m�
\ I ' rLn
-
6.00 I I �
I x4.65
CB/DH(FND)
x I ELEV.=5.22' Fi
m x 4.17 \ L - - - - _ _ 5.22_ _ _ J (NAVD88)
Q
N/F N 82' 14' 10" E 298.00'
DAWN D STECIUK
145 SOUTH STREET
1 MAP 34, PARCEL 266 x 3.98 x 4.41
LIVING ROOM
LIVING ROOM
FRONT DOOR
UTIL I BEDROOM
CLOS UTIL I BATH
EXISTING FLOOR
PLAN
NOT TO SCALE
58"
C
MEDIUM SAND
1OYR 5/2
60" -
112"
8 oz. NDN WOVEN GEOTEXTILE FABRIC
00 MINIMUM ELEV.=7.63
------ --- ELEV.=6.63
v v v v v v
v
a v v v v vvv ELEV.=6.13
4' SEPARATION
ELEV.=2.13'
OBSERVED HIGH GROUNDWATER
SITE INFORMATION
ADDRESS: 7 CRESCENT COURT, SOUTH YARMOUTH
MAP/PARCEL: 34/268
DEED REFERENCE: CERT. 999179
GENERAL NOTES:
1. THE SUBJECT PROPERTY IS WITHIN A FEMA ZONE AE12 AS SHOWN ON PANEL NO.
25001 CO589J, EFFECTIVE DATE JULY 16, 2014.
2. THE SITE NOT IS LOCATED WITHIN A ZONE II AREA.
3. VERTICAL DATUM IS NAVD88
4. ALL CONSTRUCTION MEANS AND METHODS SHALL CONFORM TO 310 CMR 15.00 STATE
REGULATIONS AND LOCAL BOARD OF HEALTH AND BUILDING DEPARTMENT REGULATIONS.
5. ALL JOINTS IN THE TANK/PUMP CHAMBER AND DISTRIBUTION BOX SHALL BE MADE
WATERTIGHT THROUGH THE USE OF ASPHALT OR SYNTHETIC POLYMER SEALERS OR
HYDRAULIC CEMENT.
6. DIGSAFE AND LOCAL UTILITY COMPANIES SHALL BE CONTACTED PRIOR TO ANY EXCAVATION
OCCURRING.
7. LOCATION OF UTILITIES ON THIS PLAN ARE APPROXIMATE AND SHALL BE VERIFIED IN THE
FIELD. THE ELEVATIONS OF ALL EXISTING SEWER INVERTS SHALL BE VERIFIED PRIOR TO
THE INSTALL OF ANY SYSTEM COMPONENTS. ANY DISCREPANCIES SHALL BE REPORTED TO
THE DESIGN ENGINEER IMMEDIATELY
8. THE SEPTIC SYSTEM INSTALLER SHALL NOTIFY THE DESIGN ENGINEER 2 DAYS PRIOR TO
BEGINNING INSTALLATION OF THE SYSTEM TO ALLOW FOR SCHEDULING OF INSPECTIONS
9. WHERE APPLICABLE, UNSUITABLE MATERIAL (A & B HORIZONS) ENCOUNTERED BELOW THE
INVERT OF THE INLET TO THE SOIL ABSORPTION SYSTEM, SHALL BE REMOVED TO A
DISTANCE 5' AROUND THE SYSTEM AND BROUGHT BACK TO THE APPROPRIATE ELEVATION
WITH CLEAN SAND PER MASSACHUSETTS 310 CMR 15.00 REGULATIONS.
10. THIS DESIGN DOES NOT ALLOW FOR THE USE OF A GARBAGE GRINDER
11. EXISTING CONDITIONS SURVEY PERFORMED BY PAUL E. SWEETSER, PLS, OCTOBER 2022
DESIGN CALCULATIONS
DESIGN FLOW
110 GALLONS/DAY/BEDROOM X 4 BEDROOMS = 44-0 GALLONS/DAY
TANK CAPACITY
440 GPD X 200% = 880 GALLONS, USE 1,500 GALLON TANK
REQUIRED LEACHING CAPACITY
DESIGN PERC RATE = < 2 MIN/INCH
440 GPD / 0.74 GALLONS PER DAY PER SQ. FT. = 594.59 SQ. FT.
6.20 PROVIDED LEACHING CAPACITY
BOTTOM AREA = 14.5' X 41.0' = 594.50 SQ. FT. (440 GPD)
PUMP NOTES
1. USE MYERS MODEL SRM4 4/10 HP PUMP OR APPROVED EQUAL
1.36 2• BOTH VISUAL AND AUDIO (AUDIBLE AND LIGHT) ALARMS ARE TO BE LOCATED WITHIN THE
DWELLING AND BE POWERED BY A SEPARATE CIRCUIT FROM THE PUMPS
3. ELECTRIC JUNCTION BOX SHALL BE EXPLOSION PROOF NEMA 4X AND SHALL BE LOCATED
OUTSIDE THE PUMP CHAMBER IN A SEPARATE STRUCTURE. ALL ELECTRICAL CONNECTIONS
- OBS.=1.20 SHALL BE LOCATED OUTSIDE THE PUMP CHAMBER
4. PUMP SHALL BE INSTALLED IN CONFORMANCE WITH MANUFACTURERS SPECIFICATIONS AND
TITLE 5 REGULATIONS.
5. THE PUMP SHALL BE ABLE TO BE REMOVED FROM THE PUMP CHAMBER WITHOUT
ENTERING THE STRUCTURE
6. THRUST BLOCKS SHALL BE INSTALLED AT ALL BENDS IN THE FORCEMAIN
0.4 7, AN ELECTRICAL PERMIT IS REQUIRED FOR THE INSTALLATION OF THIS SYSTEM
SOIL PROFILE
DATE: OCTOBER 25, 2022
PERFORMED BY: RICK JUDD
WITNESSED BY: JAY GARDINER
PERC RATE:<2 MIN./IN.
SEIVE SAMPLE TAKEN FROM C-LAYER
FTHREADED
END CAP
TO GRADE
----------------
SOLID PE
8 I OZ. NON H
DETAIL
NOT TO SCALE
PUMP CHAMBER VOLUMES
1. PUMP CHAMBER VOLUME = 244 GALLONS
PER FOOT OF HEIGHT
2. VOLUME DOSED PER PUMPING CYCLE = 116 GALLONS
OR 0.50' (6') (INCLUDING DRAIN BACK)
3. EMERGENCY STORAGE = 773 GALLONS
OR 3.17' (38")
4. DOSES PER DAY = 4
BUOYANCY CALCULATIONS
1,500 GALLON SEPTIC TANK (H-20)
VOLUME OF TANK IN WATER = 11.0' X 6. 0' X 6.1' =
402.6 C.F.
402.6 C.F. X 62.4 LBS/C.F. =
25,122 LBS UPLIFT
WEIGHT OF SOIL = 6.0' X 11.0' X 62 LB/FT2X 0.75' =
3,069 LBS DOWNFORCE
WEIGHT OF EMPTY SEPTIC TANK =
23,000 LBS DOWNFORCE
TOTAL DOWN FORCE =
26,069 LBS DOWNFORCE
1,000 GALLON PUMP CHAMBER (H-20)
VOLUME OF TANK IN WATER = 9' X 5,25' X 6' =
283.5 C.F.
283.50 G.F. X 62.4 LBS/C.F. =
17,690 LBS UPLIFT
WEIGHT OF SOIL = 5.25' X 9.0' X 62 LB/FT2X 0.75' =
2,929 LBS DOWNFORCE
WEIGHT OF EMPTY SEPTIC TANK =
17,250 LBS DOWNFORCE
TOTAL DOWN FORCE =
20,179 LBS DOWNFORCE
LEGEND
PROPERTY LINE
EXISTING CONTOUR
104
PROPOSED CONTOUR
-
EXISTING FENCE
EXISTING OVERHEAD UTILITIES
W -
EXISTING WATER LINE
G
EXISTING NATURAL GAS LINE
TP-1
LOCATION OF TEST
PIT/PERC TEST
99.76 X
EXISTING SPOT ELEVATION
QFH
EXISTING FIRE HYDRANT
-0-
EXISTING UTILITY POLE
® WG
EXISTING WATER GATE BOX
BH
BULKHEAD
CH
CHIMNEY
-0 GM
EXISTING GAS METER
0 IP
PROPOSED INSPECTION PORT
8 oz. NON WOVEN GEOTEXTILE FABRIC
1-1/2" PERFORATED SCH 40 PVC PIPE
9" MIN. EARTH
( EARTH BAC�KFI4,) / BACKFILL
8" DEPTH OF 3/4" TO
1-1/2" DOUBLE WASHED
CRUSHED STONE
4'-8" 5'-2" 4'-8"
14'-5"
LEACH FIELD CROSS SECTION
NOT TO SCALE
REQUESTED HEALTH VARIANCES:
MAXIMUM FEASIBLE COMPLIANCE
• 310 CMR 15,212 (1) - DEPTH TO GROUNDWATER - MINIMUM VERTICAL SEPARATION
FROM BOTTOM OF SAS TO HIGH GROUNDWATER SHALL BE 5 FEET. BOTTOM OF SAS IS
LOCATED 4 FEET ABOVE HIGH GROUNDWATER. A VARIANCE OF 1 FOOT IS REQUESTED.
• YARMOUTH REGULATIONS SECTION (3.7) - THE LOCATION OF A LEACHING FIELD SHALL
NOT BE LESS THAN 100 FEET FROM A WATERCOURSE... SAS IS LOCATED 54.2 FEET
FROM THE EDGE OF THE WETLAND. A VARIANCE OF 45.8 FEET IS REQUESTED.
A
4 CRESTVIEW DRIVE
EAST SANDWICH, MA 02537
PHONE: (508) 400-2365
SITE DESIGN, LLC
r1 Residential Site Design and Permitting
LOCATION.•
7 CRESCENT COURT
SOUTH YARMOUTH, MA 02640 - -- -
CL/ENT ROY GARDINER FEB 161023
64 HIGH ROAD HEALTH DEPT.
BUCKHURST HILL IG9 5RW, UK
DRAWING TITLE
SUBSURFACE SEWAGE DISPOSAL SYSTEM
SITE PLAN AND PROFILE
SCALE.• DATE DRAWING NO.
11/2/2022 1 of 1
ONI \, 19nd Local peptic variaro,es.
Bu:r�,t =r review and approval
NO.
DATE
and tulurc art,lrUrrns/r� tiil .aly Cations to
scwakc tarilitica :uul/or strut�'uri
I t
i
�7 L2�s Date