HomeMy WebLinkAboutEngineered Plan - Rev. 2017*9.5'
SYSTEM PROFILE
PROVIDE MIN. 20" DIAM. WATERTIGHT
ACCESS COVERS TO WITHIN 6" OF FIN. GRADE
EL. 13.1'
10.9' MINIMUM 75' OF COVER OVER PRECAST
2'0 PRECAST H-10 NOTE: 2" MIN. WALL
RISERS (TYP.) THICKNESS REQUIRED
(NOT TO SCALE)
4 0SCHI PVC
, 6" MIN. SUMP PIPES LEVEL 1ST 2'
12" MIN. INT. DIM.
10" 1500 GAL H-10 14"
8.9
6' TEE SEPTIC TANK TEE $ 71'jl'
;
OOOO0000000 WATERTEST D'BOX
GAS BAFFLE.., ?900o0? FOR LEVELNESS
4' LIQ. LEVEL (ACME OR EQUAL) 8.44'
J000000�OV0 0�000 O O O O O`O 000 O O O 0008L
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„000000002*0 00,0700000000000 POnOn0O,0„0000000.
6" CRUSHED STONE OR MECHANICAL
COMPACTION. (15.221 [2])
ALL SYSTEM COMPONENTS SHALL BE
MARKED WITH MAGNETIC TAPE OR
COMPARABLE MEANS FOR FUTURE LOCATION.
/PROVIDE INSPECTION PORTS TO
WITHIN 3" OF FINISH GRADE
2% SLOPE REQUIRED OVER SYSTEM Z 10.01
( 2.5 % SLOPE MIN.) (1 % SLOPE) (1 % SLOPE)
FOUNDATION 17' SEPTIC TANK 7' D' BOX 6' -
*THE INSTALLER SHALL VERIFY THE LOCATIONS OF ALL
UTILITIES AND ALL BUILDING SEWER OUTLETS AND ELEVATIONS
PRIOR TO INSTALLING ANY PORTION OF SEPTIC SYSTEM
LEGEND
as -
EXISTING CONTOUR
X 99 1
EXIST. SPOT ELEV.
-[99]-
PROPOSED CONTOUR
198.41
PROPOSED SPOT EL.
TH1
TEST HOLE
2Y�
SLOPE OF GROUND
CQ)
UTILITY POLE
r
FIRE HYDRANT
If NOTE: NOT ALL SYMBOLS MAY APPEAR 1N DRAWING
TEST HOLE LOGS
ENGINEER: CRAIG
J. FERRARI, SE #13871
WITNESS: PHIL RENAUD
DATE: 9/22/2016
PERC. RATE _
< 2 MIN/INCH
CLASS I
SOILS
Q ELEV.
Olt8.5'
A
LS
1OYR 4/2
20"
B
LS
39"
1OYR 5/8
5.2'
PERC
_ MS
G-W ADJ. DATA:
- WELL: MIW 29
1OYR 7/6 ZONE: A
ADJ: 2.6'
AUGUST 2016
120" I I -1.5'
GROUNDWATER ENCOUNTERED AT 96" = EL. 0.5'
DCE # 1 6-303
ZONING SUMMARY
ZONING DISTRICT: R-25 DISTRICT
QUICK4 PLUS STANDARD LOW PROFILE UNITS
OVERALL DIMENSIONS TO OUTSIDE OF UNITS: 33' X 8.5'
(NO STONE PROPOSED)
LEACHING
FACILITY
REQ.
EXIST.
PROP.
MIN. LOT SIZE
25,000
6072
6072
MIN. LOT FRONTAGE
150'
80/78
80/78
MIN. FRONT SETBACK
30
23.6'
23.9'
(or 30% depth of lot)
MIN. SIDE SETBACK
15'
13.1'
15.1'
MIN. REAR SETBACK
20'
N/A
N/A
MAX. BUILDING COVERAGE 25%
16.8%
18.6%
BUILDING HEIGHT
35'
14.55'
34.9'
(ABOVE AVG. OF NAT.
GRADES 9.9)
1�
BENCHMARK:
CEMENT BOUND
= 12.5' NAVD88
LOT 7A
6,072 SF
7
i �'// D E S I I' ,.
0�~ DI��'I _IFL
5'
1
GROUNDWATER ADJUSTED EL. 3.10'
S
NOTES
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 (1-888-344-7233) AND
VERIFYING IGSAFE THE LOCATION OF ALL UNDERGROUND & LOCUS . MAP
OVERHEAD UTILITIES PRIOR TO COMMENCEMENT OF ,
WORK. SCALE 1 =2000 t
11. ANY UNSUITABLE MATERIAL ENCOUNTERED ASSESSORS MAP 22 PARCEL 17
SHALL BE REMOVED 5' BENEATH AND AROUND THE
PROPOSED LEACHING FACILITY. LOCUS IS WITHIN FEMA FLOOD ZONE X (0.2
12. EXISTING LEACHING FACILITY SHALL BE PUMPED PCT ANNUAL CHANCE FLOOD HAZARD) AS
AND REMOVED OR PUMPED AND FILLED WITH CLEAN SHOWN ON COMMUNITY PANEL #25001CO569J
SAND. DATED 7/16/2014
SYSTEM DESIGN:
GARBAGE DISPOSER IS NOT ALLOWED
2% MIN. SLOPE OVER SYSTEM
4" LOAM & SEED
0.0
PROPOSED 3 BEDROOM DWELLING
-\ I /
21 „t
' CAP ON
CAP STONE UNITS
=111
x 5 1/4"
DESIGN FLOW: 3 BEDROOMS @ 110 GPD =
330 GPD iLlir_ _
_Ij1-III
Fiberglass
Fiberglass
USE A 330 GPD DESIGN FLOW
9" COVER 1=11IIjl_11 __
=11llil_il--
Pins
AS
5'MIN.
MAX
SEPTIC TANK: 330 GPD (2) = 660
6"
vARIEs
\� J
J
USE A 1500 GAL. SEPTIC TANK
PEASTONE
COARSE SAND BACKFILL. AGAINSTT
_\NALI_
LEACHING:
40 MIL LINER FROM TOP PEASTONE/WALL
4 73 SF A F x 4' LEN18 92 SF PER
GTH =
TO 12" BELOW GRADE
KEYSTONE OR EQUAL RETAINING WALL UNITS
\ QUICK4 PLUS STANDARD LP UNIT 18"X8" SET WITH 1" BATTER PER ROW
FIBERGLASS PINS REQ. 6"X30" Crushed Rock or
330 GPD/0.74 GPD/SF = 446 SF LEACHING Unreinforced Concrete
REQ'D Leveling Pad req..
�^ 446 SF/18.92 SF/UNIT = 23.6 UNITS RETAINING WALL CROSS SECTION
NOT TO SCALE
THEREFORE, USE GRAVELLESS SYSTEM OF (24)
QUICK4 PLUS STANDARD LP UNITS IN FIELD
CONFIGURATION OF 3 ROWS OF 8 UNITS
24 UNITS x 18.92 SF/UNIT = 454 SF> 446 SF
454 SF (0.74) = 336 GPD (OK)
7 SH L
/ D VE
E-LOCATE WATERLINE
AS SHOWN MIN. 10'
FROM SEPTIC
COMPONENTS _
p PROVIDE 115' OF 40`MIL LINER AT 5'
i OFF SAS IN AREA SHOWN. TOP AT
ELEV. 8.8 BOTTOM AT EL. 4.8'f
(Z).
5' REMOVAL OF UNSUITABLE SOIL REQUIRED
AROUND PERIMETER OF LEACHING FACILITY, j
DOWN TO SUITABLE SOIL LAYER. REPLACE
WITH CLEAN MED. SAND, TO MEET
SPECIFICATIONS OF A10 AMR 15 255(3)
Scale: 1 "= 20'
0 10 20 30 40 50 FEET
Yr-ri-moeth Health Departr unt
A TITR 1, � y
i acne Date
APPROVED DATE BOARD OF HEALTH ' MA SITE PLAN
OF
#3 BAY ROAD
WEST YARMOUTH, MA
PREPARED FOR
DATE
PAUL THOMPSON
DATE: 7-26-2017
REV.: 8-28-2017
off 508-362-4541
I fax 508-362-9880
downcope.com
down c41p4 en 1869LO inb', iac.
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Ion d surveyors
939 Main Street ( Rte 6A)
YARMOUTHPORT MA 02675
16-303
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