HomeMy WebLinkAboutAdmin Review 6.1.23LEGEND
- -
LAIJIINL, UUNIUUK
X 99. 1
EXIST. SPOT ELEV.
-[991-
PROPOSED CONTOUR
[98.41
PROPOSED SPOT EL.
TH1
TEST HOLE
27.
SLOPE OF GROUND
I-Q)
UTILITY POLE
FIRE HYDRANT
NOTE: NOT ALL SYMBOLS MAY APPEAR IN DRAWING
*THE INSTALLER SHALL VERIFY THE
LOCATIONS OF ALL UTILITIES AND ALL
BUILDING SEWER OUTLETS AND
ELEVATIONS PRIOR TO INSTALLING ANY
PORTION OF SEPTIC SYSTEM
**INSTALLER SHALL CONFIRM MINIMUM
SEPTIC TANK SIZE AT 1000 GALLONS
AND ITS SUITABILITY FOR RE -USE.
REPLACE WITH 1500 GALLON SEPTIC
TANK APPROPRIATE TO SITE CONDITIONS
IF NOT SUITABLE
DCE # > 8-087
SYSTEM DESIGN:
GARBAGE DISPOSER IS NOT ALLOWED
DESIGN FLOW: 9 BEDROOMS @ 110 GPD = 990 GPD
USE A 990 GPD DESIGN FLOW
SEPTIC TANK: 990 GPD (2) = 1980
**USE EXISTING 1000 GAL SEPTIC TANK
ADD 3000 GAL DUAL COMPARTMENT
SEPTIC TANK/PUMP CHAMBER
LEACHING:
990 GPD / (.74) = 1338 SF REQUIRED
30' X 45' = 1350 SF OK
1350 SF X .74 = 999 GPD OK
USE A 30' X 45' PIPE AND STONE LEACHING FIELD
APPROVED
, MA
DATE BOARD OF HEALTH
BENCHMARK:
MAGNETIC NAIL
SET=5.1' NAVD88
PROPOSED
BARN
CONNECTION
5.0't
FOUNDATION
BARN
05
PRECAST H-10
RISERS (TYP.)
2'0
U TEE "EXISTING TEE
SEPTIC TANK
GAS BAFFLE ..
EXIST. SEPTIC TANK
*5.7'
SYSTEM PROFILE
(NOT TO SCALE)
MARK CORNERS OF
LEACHING FIELD W/
REBAR SET 4" BELOW PROVIDE INSPECTION PORTS TO
PROVIDE MIN. 20" DIAM. WATERTIGHT GRADE WITHIN 3" OF FINISH GRADE
ACCESS COVERS TO WITHIN 6" OF FIN. GRADE 2% SLOPE \
FILTER FABRIC
MINIMUM .75' OF COVER OVER PRECAST 2% SLOPE REQUIRED OVER SYSTEM 8 4' TOP 7.62' FINISHED GRADE- 4" LOAM &SEED
17.25'
NOTE: 2" MIN. WALL
PROP. TEE THICKNESS REQUIRED CLEAN FILL
4"OSCH40 PVC
PIPES LEVEL 1ST 2'4• PERFORATED PVC 5' O.C. S=0.005 TO
3000 GAL H-20 3/4"-1-1/2" DOUBLE WASHED 10" 9"STONE LEACHING FIELD TEE SEPTIC TANK/PUMP CHAMBER 0 0 0 .0 •o. 0 LEVEL BOTTOM
COMBINATION o000006"0000
�_0"0-0 0,0_
SEE DETAIL BELOW
7.52' 7.35'
°000000000000000000000060000000000000000o0ooc WATER -TEST D'BOX FOR LEVELNESS
0000000�0000000000000000000000000000000000000
6" CRUSHED STONE OR MECHANICAL
COMPACTION. (15.221 [2])
( 36 % SLOPE) (1 % SLOPE)
SEPTIC TANK/ LOW PROFILE
6' PUMP CHAMBER 29' D' BOX 12'
72'
( 2 % SLOPE) BUOYANCY CALCS:
H-20 3000 GAL. ST WEIGHS 36,000 LBS
2.96' x 17.0 x 7.0 X 62.4 = 21,979 LBS UP (OK)
PRECAST H-10
RISERS (TYP.)
2'0
3.54'
ACCESS FOR ROUTINE MAINTENANCE
MUST BE PROVIDED FOR ZABEL FILTER.
INSTALLER MUST FOLLOW ALL
MANUFACTURER'S SPECIFICATIONS FOR
PROPER FILTER INSTALLATION
ALARM AND CONTROL PANEL
TO BE INSTALLED INSIDE
BUILDING. ALARM TO BE ON INV. IN 3.54'
SEPARATE CIRCUIT FROM PUMP
ZABEL FILTER
FLOAT SWITCH ALARM ON (A100)
SETTINGS: OUTLET TEE W/EXTENSION
PUMP ON
5" WORKING RANGE 6'
7„
PUMP OFF 14"
LEACHING
FACILITY
2% MIN. SLOPE OVER SYSTEM
` I � 4" LOAM &SEED
30"f I CAP STONE UNITS
/
" x 5 1/ 21 4'
" COVER -111 II _ Fiberglass
9
-111 - Pins
-111=11_-_
= Ili
AS 5'MIN. 30" MAX
6„ VARIES
PEASTONE
COARSE SAND BACKFILL AGAINST
WALL
40 MIL LINER FROM TOP PEASTONE/WALL "
TO 12" BELOW GRADE
KEYSTONE OR EQUAL RETAINING WALL UNITS
18"X8" SET WITH 1" BATTER PER ROW
45.0'
FIBERGLASS PINS REQ. 6"X30" Crushed Rock or
Unreinforced Concrete
Leveling Pad req.
RETAINING WALL CROSS SECTION
24"0 CAST IRON
COVERS TO GRADE
/ \ 1000 GAL.+ RESERVE
/ i PROVIDE QUICK DISCONNECT FOR PUMP
NO LOW POINTS
j7HOLES
" PRESSURE LINE19" TEERAIN BACK
MIN. 1000 GAL.THIS SIDEM 4
OF BAFFLESUBMERSIBLE 4/10 HP PUMP
SYSTEM (OR EQUAL)
000000 0000 000�0000
3000 GAL. SEPTIC TANK/ 6" BAFFLE
PUMP CHAMBER COMBINATION
(NOT TO SCALE)
6.5'
6"DEPTH MIN
BELOW INV.
7.0'
1.5' ASSUMED GROUNDWATER ELEVATION
NOTES
.0-7.0'
1. DATUM IS NAVD 88
2. MUNICIPAL WATER IS EXISTING
3. MINIMUM PIPE PITCH TO BE 1/8" PER FOOT.
4. DESIGN LOADING FOR ALL PROPOSED PRECAST UNITS
TO BE AASHO H-10
5. PIPE JOINTS TO BE MADE WATERTIGHT.
6. CONSTRUCTION DETAILS TO BE IN ACCORDANCE WITH
310 CMR 15.000 (TITLE 5.)
7. THIS PLAN IS FOR PROPOSED WORK ONLY AND NOT TO
BE USED FOR LOT LINE STAKING OR ANY OTHER
PURPOSE.
8. PIPE FOR SEPTIC SYSTEM TO SCH. 40-4" PVC.
9. COMPONENTS NOT TO BE BACKFILLED OR CONCEALED
WITHOUT INSPECTION BY BOARD OF HEALTH AND
PERMISSION OBTAINED FROM BOARD OF HEALTH.
10. CONTRACTOR SHALL BE RESPONSIBLE FOR CALLING
DIGSAFE (1-888-344-7233) AND VERIFYING THE
LOCATION OF ALL UNDERGROUND & OVERHEAD UTILITIES
PRIOR TO COMMENCEMENT OF WORK.
11. ANY UNSUITABLE MATERIAL ENCOUNTERED SHALL BE
REMOVED BENEATH AND 5' AROUND THE PROPOSED
LEACHING FACILITY.
12. EXISTING LEACHING FACILITY SHALL BE PUMPED AND
REMOVED OR PUMPED AND FILLED WITH CLEAN SAND.
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G-W ADJ. DATA:
WELL: MIW 29
ZONE: A
ADJ: 0'
MARCH 2O18
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DATE
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P.E., P.L.S.
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Locus Nantucket
G�eot Sound
LOCUS MAP
SCALE 1 "=2000'f
ASSESSORS MAP 14 PARCEL 11
LOCUS IS WITHIN FEMA FLOOD ZONE AE (100
YEAR FLOOD HAZARD AREA - EL. 11) AS
SHOWN ON COMMUNITY PANEL #25001CO588J
DATED 7/16/2014
ZONING SUMMARY
ZONING DISTRICT: R-25 RESIDENTIAL DISTRICT
MIN. LOT SIZE 25,000 S.F.
MIN. LOT FRONTAGE 150'
MIN. FRONT SETBACK 30'
MIN. SIDE SETBACK 15'
MIN. REAR SETBACK 20'
MAX. BUILDING COVERAGE 25%
m
45"
TEST HOLE LOGS
ENGINEER: CRAIG J. FERRARI, SE # 13871
WITNESS: AMY VON HONE, RS
DATE: 4/4/2018
PERC. RATE _ < 2 MIN/INCH
CLASS I SOILS
ELEV. F-o -1 ELEV.
4 79 Off7,
FI LL
A
LS
48" 1OYR 2/1 3,
C
M/FS
1OYR 7/4
PEF
,
OF
DATE: APRIL 25, 2018
REV: JULY 6, 2018 (DESIGN FLOW, PUMP CHAMBER)
Scale:1 "= 20'
0 10 20 30 40 50 FEET
off 508-362-4541
fax 508-362-9880
downcope.com
down cope eagiaeefiag, iac.
civil engineers
land surveyors
939 Main Street ( Rte 6A)
YARMOUTHPORT MA 02675
JOH NO.=3336n . F'n301
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