HomeMy WebLinkAbout4984 2 Buttercup Ln Proposed Sewage Disposal System 06.30.22Existing Dwelling
to be Razed
EXISTING
FLOOR PLAN
NOT TO SCALE
BENCHMARK
Top of Foundation
EL=18.3 (NAVD Datum)ExistingGravel DriveSITE PLAN
SCALE: 1" = 20'
S
T
D
B
S
A
S
8.5'
2.5'2.5'4.83'2.5'9.83'Stone
Chambers
D-Box
SYSTEM DESIGN CALCULATIONS
SEWAGE DESIGN FLOW REQUIRED:2 BDRM DWELLING + 1 FUTURE BDRM @ 110
GPD / BDRM = 330 GPD REQUIRED
SEWAGE DESIGN FLOW PROVIDED: THREE (3) 500 GALLON LEACH CHAMBERS WITH
2.5' OF STONE ALL AROUND
Vt = [(30.5 x 9.83) + 2(30.5 + 9.83) x 2] x .74
= 341.2 GPD PROVIDED
341 GPD PROVIDED > 330 GPD REQUIRED
SEPTIC TANK CAPACITY REQUIRED:330 GPD X 200% = 660 GPD REQUIRED
SEPTIC TANK CAPACITY PROVIDED:1500 GALLON PROVIDED (MINIMUM ALLOWED)
A GARBAGE DISPOSAL IS NOT PERMITTED WITH THIS DESIGN FLOW
0 20 40
SCALE 1"=20'
60
SITE LOCUS
NOT TO SCALE
Yarmouth,
MA
Existing Septic
Components to be
Removed (See Note #22)
Test Hole #1 (EL=17.3±)
Depth
0"-8"
8"-28"
28"-120"
Layer
A
B
C1
Soil Class
Loamy Sand
Loamy Sand
Fine-Medium Sand
Soil Color
10YR 3/4
10YR 6/8
10YR 8/2
Comments
Perc @ 56"
TEST HOLE LOGS
C:\CSN\SDS-Buttercup\SDS-Buttercup-SDS Plan.dwg
Variances: 310 CMR 15.211 Min. Setback Distances:
1.) Septic Tank not 10' from Property line
3' Held 7' Variance Requested
2.) SAS not 10' from SW property line
2' Held 8' Variance Requested
3.) SAS not 10' from SE property line
4' Held 6' Variance Requested
4.) SAS not 10' from Slab Foundation
7' Held 3' Variance Requested
Variances: 310 CMR 15.248 Reserve Area:
5.) No Reserve Area
Remove and Replace Requested
Town of Yarmouth Regulation 3.7
6.) SAS not 100' from Edge of Wetland
94' Held 6' Variance Requested
VARIANCES REQUESTED Pl Bk 79 Pg 101Notes:
1.) Assessor's Map 119 Parcel 33
2.) Deed Book 34104 Page 157
3.) Plan Book 79 Page 101
4.) This property is not in a Zone II of a Public Water
Supply
5.) Flood Zone: AE(9), X
Community Panel: 25001C0583J Dated: 07/16/14
6.) Zoning: R-40
Old Kings Highway Dist., 25% Building Coverage
7.) Prior to final inspection by the engineer, system needs
to be complete including buildup for covers.
CONSERVATION NOTES:
1.) LIMIT OF WORK SHALL BE AS SHOWN. A ROW OF DOUBLE STAKED HAYBALES SHALL BE
CONSTRUCTED ALONG THE LIMIT OF WORK LINE PRIOR TO THE COMMENCEMENT OF ANY WORK.
2.) ALL DISTURBED AREAS SHALL BE LANDSCAPED. PLANTINGS SHALL INCLUDE A MIXTURE OF
INDIGENOUS SHRUBS AND GROUNDCOVER FROM THE APPROVED PLANT LIST.
3.) CONTRACTOR, BUILDER, AND OWNER SHALL REVIEW THE ORDER OF CONDITIONS PRIOR TO
AND DURING CONSTRUCTION.
O
U
ST
DB
SAS
24x5
12.3 EXISTING SPOT GRADE
PROPOSED SPOT GRADE
EXISTING CONTOUR
PROPOSED CONTOUR
WATER SERVICE LINE
OVERHEAD UTILITY LINES
UNDERGROUND UTILITY LINES
GAS SERVICE LINE
EDGE OF CLEARING
LIMIT OF WORK
TEST HOLE LOCATION
SEPTIC TANK
DISTRIBUTION BOX
SOIL ABSORPTION SYSTEM
WATER METER
LEGEND
24
24
Prepared for:
2 Buttercup
Realty Trust
DATE: JOB NO: SCALE:CHECK: DESIGN:
02/11/2022 AS SHOWN
Proposed Sewage Disposal System
2 Buttercup Ln., South Yarmouth, MA
LJC DCB 2021315
CONSTRUCTION NOTES
1.) ALL WORK SHALL CONFORM TO THE STATE ENVIRONMENTAL CODE, TITLE 5 (310 CMR 15.000): AND THE
REGULATIONS OF THE LOCAL BOARD OF HEALTH.
2.) ANY SEPTIC SYSTEM COMPONENT INSTALLED IN A LOCATION WHERE THERE IS POTENTIAL FOR VEHICLES
OR HEAVY EQUIPMENT TO PASS OVER IT SHALL BE DESIGNED TO WITHSTAND AN H-20 LOADING. IF UNDER AN
IMPERVIOUS SURFACE, SYSTEM SHALL BE VENTED TO THE ATMOSPHERE.
3.) TO MINIMIZE UNEVEN SETTLING, SEPTIC TANKS SHALL BE INSTALLED ON A STABLE
MECHANICALLY-COMPACTED BASE ON SIX INCHES OF CRUSHED STONE.
4.) COVERS OVER THE INLET AND OUTLET TEES OF THE SEPTIC TANK, THE DISTRIBUTION BOX, AND THE SOIL
ABSORPTION SYSTEM SHALL BE RAISED TO WITHIN 6" OF FINAL GRADE. LEACHING FIELDS, TRENCHES, AND
OTHER SOIL ABSORPTION SYSTEMS WITHOUT ACCESS MANHOLES SHALL HAVE AT LEAST ONE (1) INSPECTION
PORT CONSISTING OF PERFORATED 4" PVC PIPE PLACED VERTICALLY TO THE BOTTOM OF THE SOIL
ABSORPTION SYSTEM WITH A CAP, TIED WITH MAGNETIC MARKING TAPE, ACCESSIBLE TO WITHIN 3" OF FINAL
GRADE.
5.) PIPING SHALL CONSIST OF 4" SCHEDULE 40 PVC OR EQUIVALENT. PIPE SHALL BE LAID ON A MINIMUM
CONTINUOUS GRADE OF NOT LESS THAN 2% FROM THE BUILDING TO THE SEPTIC TANK, AND NOT LESS THAN
1% OTHERWISE.
6.) DISTRIBUTION LINES FOR THE SOIL ABSORPTION SYSTEM SHALL BE 4" DIAMETER SCHEDULE 40 PVC (OR
EQUIVALENT) LAID AT 0.005 FT/FT. UNLESS OTHERWISE NOTED. LINES SHALL BE CAPPED AT END OR AS NOTED.
7.) LINES FROM THE DISTRIBUTION BOX TO BE LEVEL FOR THE FIRST TWO (2) FEET BEFORE PITCHING TO THE
SOIL ABSORPTION SYSTEM. DISTRIBUTION BOX SHALL BE WATER TESTED TO ASSURE EVEN DISTRIBUTION.
8.) GROUT TO BE USED AT ALL POINTS WHERE PIPES ENTER OR LEAVE ALL CONCRETE STRUCTURES IN ORDER
TO PROVIDE A WATERTIGHT SEAL.
9.) HEAVY EQUIPMENT SHALL NOT BE ALLOWED TO OPERATE OVER THE LIMITS OF THE SEWAGE DISPOSAL
FIELD DURING THE COURSE OF CONSTRUCTION OF THE SYSTEM.
10.) IN ACCORDANCE WITH 310 CMR 15.221, ALL SYSTEM COMPONENTS SHALL BE MARKED WITH MAGNETIC
MARKING TAPE.
11.) THERE ARE NO OTHER KNOWN WELLS WITHIN 100' OF THE PROPOSED SOIL ABSORPTION SYSTEM.
12.) FROM THE DATE OF THE INSTALLATION OF THE SOIL ABSORPTION SYSTEM UNTIL RECEIPT OF THE
CERTIFICATE OF COMPLIANCE, THE PERIMETER SHALL BE STAKED AND FLAGGED TO PREVENT USE OF THE AREA
THAT MAY CAUSE DAMAGE TO THE SYSTEM.
13.) THE DESIGNER WILL NOT BE RESPONSIBLE FOR THE SYSTEM AS DESIGNED UNLESS CONSTRUCTED AS
SHOWN ON PLAN. ANY CHANGES SHALL BE APPROVED IN WRITING BY THE DESIGNER.
14.) THE BOARD OF HEALTH REQUIRES INSPECTION OF ALL CONSTRUCTION BY AN AGENT OF THE BOARD OF
HEALTH AND THE DESIGNER. THE DESIGNER SHALL CERTIFY IN WRITING THAT THE SEWAGE DISPOSAL SYSTEM
WAS INSTALLED IN ACCORDANCE WITH THE TERMS OF THE PERMIT AND THE APPROVED PLANS. 48 HOURS
ADVANCE NOTICE IS REQUESTED.
15.) LOCATION OF UTILITIES IS APPROXIMATE AND CONTRACTOR SHALL BE RESPONSIBLE FOR DETERMINING
THE LOCATION OF ALL UNDERGROUND AND OVERHEAD UTILITIES PRIOR TO COMMENCEMENT OF ANY WORK.
THIS INCLUDES, BUT IS NOT LIMITED TO, REQUESTS TO DIGSAFE, ANY PRIVATE UTILITY COMPANIES, AND THE
LOCAL WATER DEPARTMENT.
16.) CONTRACTOR SHALL VERIFY THAT ALL WASTELINES ARE CONNECTED BY WATER TESTING WITHIN THE
DWELLING PRIOR TO INSTALLATION OF ANY SEPTIC COMPONENTS.
17.) CONTRACTOR SHALL VERIFY EXISTING INVERT ELEVATIONS PRIOR TO INSTALLATION OF ANY SEPTIC
SYSTEM COMPONENTS.
18.) INSTRUMENT SURVEY CONDUCTED FOR PROPOSED WORK ONLY. SITE PLAN SHALL NOT BE USED FOR
STAKING, OR ANY OTHER PURPOSES. NOR SHALL IT BE USED AS A MORTGAGE PLOT PLAN OR TITLE SURVEY.
CONFORMANCE TO LOCAL BYLAWS SHALL BE DETERMINED BY THE OWNER PRIOR TO CONSTRUCTION.
19.) THIS PLAN DOES NOT CERTIFY, GUARANTEE OR WARRANTY COMPLIANCE WITH DEEDED OR ZONING
BYLAWS, SPECIFICALLY, BUT NOT LIMITED TO, SIDELINE SETBACKS AND BUILDING HEIGHT RESTRICTIONS.
OWNER IS RESPONSIBLE FOR OBTAINING SUCH A DETERMINATION FROM THE APPROPRIATE AUTHORITY.
20.) TEST HOLES COMPLETED PER STATE ENVIRONMENTAL CODE, TITLE 5. SOILS CAN BE VARIABLE AND TEST
HOLE DATA IS NO GUARANTEE OF SOIL CONDITIONS IN OTHER AREAS. IF SOILS DIFFER FROM THOSE SHOWN
IN THE SOILS LOGS, DESIGN ENGINEER IS TO INSPECT THE SOILS PRIOR TO PROCEEDING WITH INSTALLATION
OF ANY SEPTIC COMPONENTS.
21.) EXISTING SEPTIC COMPONENTS TO BE LOCATED, PUMPED DRY, FILLED WITH CLEAN SAND AND
ABANDONED IN PLACE. AREA TO BE COMPACTED TO MINIMIZE SETTLING.
22.) EXISTING SEPTIC COMPONENTS TO BE REMOVED. ANY CONTAMINATED SOIL SHALL BE REMOVED FOR A
DISTANCE OF FIVE (5) FEET LATERALLY FROM THE SOIL ABSORPTION SYSTEM AND REPLACED WITH CLEAN
SAND. AREA TO BE COMPACTED TO MINIMIZE SETTLING.
23.) INSTALL A 40 mil HDPE LINER FROM EL=15.0± TO EL=11.0± AS SHOWN ON PLAN (SEE PLAN VIEW).
SURVEY BY:
DATE OF TESTING: 11/29/2021
SOIL EVALUATOR: D. BENNETT, R.S., S.E.
BOARD OF HEALTH AGENT:CAROL EASTMAN, BARN. CNTY HEALTH DEPT
PERCOLATION RATE: LESS THAN 2 MIN/INCH IN "C" LAYER
NO GROUNDWATER ENCOUNTERED
PLAN VIEW
SCALE: 1" = 10'
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P.O. Box 201
Brewster, MA 02631
Phone: (508) 896-1783
CSN
ENGINEERING
Bdrm
Bdrm Bth Kitchen
Living
Test Hole #2 (EL=17.5±)
Depth
0"-8"
8"-26"
26"-108"
Layer
A
B
C1
Soil Class
Loamy Sand
Loamy Sand
Fine-Medium Sand
Soil Color
10YR 3/4
10YR 6/8
10YR 8/2
Comments
Perc @ 52"
Test Hole #3 (EL=17.2±)
Depth
0"-10"
10"-28"
28"-120"
Layer
A
B
C1
Soil Class
Loamy Sand
Loamy Sand
Fine-Medium Sand
Soil Color
10YR 3/4
10YR 6/8
10YR 8/2
Comments
Test Hole #4 (EL=16.3±)
Depth
0"-10"
10"-24"
24"-120"
Layer
A
B
C1
Soil Class
Loamy Sand
Loamy Sand
Fine-Medium Sand
Soil Color
10YR 3/4
10YR 6/8
10YR 8/2
Comments
3
4
.
2
'
19
.
1
'
18
.
0
'14.3'27.6'
TOP OF FOUNDATION
48"14.7515.00
15.8±
16.2±
14.30 14.00
15.0±
12.00
16.00
2'1500 GALLON
(H-20 Rated)
SEPTIC TANK
DB-3
(H-20 Rated)
D-BOX
THREE (3) SHOREY PRECAST 500
GALLON LEACH CHAMBERS WITH
4' OF STONE ALL AROUND
(H-20 Rated)
LEACH
CHAMBERS10"14"14.47
GEOTEXTILE FABRIC
3/4" - 1-1/2" STONE
5.7'±
EL=6.3± (Bottom of Test Hole) 3'FLOW PROFILE
NOT TO SCALE
15'19'
Longest Run
12'
EL=18.3±
EL=17.1±EL=17.2±EL=17.2±
24" DIAMETER CONCRETE COVERS
RAISED TO WITHIN 6" OF FINISH
GRADE (OR AS NOTED)
GAS BAFFLE 9"min - 36" max(IN PLACE OF 1/4"-1/2" PEASTONE)2"3"12.
1
'
10'
m
i
n
20'min3.2'2'SAS
8.5'8.5'
2.5'
Relocate Water
Service Line
30.5'
4" PVC VENT
36"MIN
& CAP BY "SWEETAIR"
Vent
Vent
E
D
G
E
O
F
S
A
L
T
M
A
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S
H
W12.6'10'min10'min
1
0
"
M
a
i
n
REVISION 03/02/2022: Added Riverfront Designation, abutting SAS & Water, Relocated
SAS, Revised Slab Foundation area, variance requests.
Existing
SAS
(
R
I
V
E
R
F
R
O
N
T
A
R
E
A
)
100' from
Riverfront
100' from
Coastal Bank
5
0
.
8
'
4'
21.3'94.0'11.0'
10
'
m
i
n
W
12
.
8
'
W
REVISION 06/30/2022: Revised Dwelling
11
.
0
'
Masonry Steps
2
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±10.4'10'min7.6'2
2
.
7
'18.4'18.3'19.5'>2
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