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SURVEY WITH EXISTING TOPOGRAPHY, UTILITIES AND
PROPERTY BOUNDARIES PROVIDED BY DEMAREST
LAND SURVEYING, PLS DATED 20 DECEMBER 2022.
ZONEi UNpPFz'fi'
L
a
3 WATER GATE
MAP 59
PCL 160
LOT 30 /
11,621± S.F.
X
SOF��'3 00
G 10'
10.5' 28.
LEGEND - O a (0
SOIL TEST PIT C
+ EXISTING CONTOUR
�oln PROPOSED CONTOUR MAP
�59
$_� OVERHEAD ELECTRICAL PCL 162
W~ BURIED ELECTRICAL
MUNICIPAL WATER
G \ NATURAL GAS LINE
38 DAMS RD
ASSESSORS MAP 59 PARCEL 161
SITE PLAN -
SCALE: 1"=20' I
0 20 40
9" MIN.
e*
_ 3" MIN.
.:A 6" MIN.
10" MIN.
12" MAX.
3" MIN.
6" MIN.
ZABLE
FILTER
2 12" MAX.
-v
PROPOSED 1,500 GALLON
1- COMP. SEPTIC TANK (H-10)
98.5 ±
111110A,"�r�JJrt
8 =�M
• r
MAP 59
PCL 153
N
p
4
j �
N''
tiO�j -- BENCHTVIARK TOP OF
CONCRETE BOUND
EL=100..0' (ASSUMED)
/
EXISTING CESSPOOLS.
SEE NOTES.
PROPOSED H-10
1-COMPARTMENT 1,500
GALLON SEPTIC TANK
PROPOSED H-10
DISTRIBUTION BOX
MAP 59
11.6 PCL. 152
\ SAS: 5 INFILTRATOR 3050 CHAMBERS
1 3.5' STONE ON SIDES, VON ENDS
\ 11.25'W x 37.58'L x 2.5' H
1 4" PVC INSPECTION
\ PORT
f
H10 RISER AND
COVER TO WITHIN 6"
OF FINISHED GRADE FILTER FABRIC
PLACED ON TOP AND
SIDES OF SAS
�- BOTTOM ON LEVEL, STABLE BASE
MECHANICALLY COMPACTED WITH 6"
CRUSHED STONE
LEGEND
WATER SURFACE ELEVATION
C GAS BAFFLE
MAP 59
PCL. 151
VARIANCES ! SITE NOTES
1. PROPOSED SYSTEM COMPONENTS ARE NOT LOCATED IN A
FLOOD ZONE.
2. THE PROPERTY IS LOCATED WITHIN A ZONE 11.
3. NO DRINKING WATER WELLS WITHIN 100 FEET OF PROPOSED
SYSTEM.
- r l
VICINITY MAP LOCUS
NOT TO SCALE 38 DaviS Rd
GENERAL NOTES
1. THIS PLAN IS INTENDED FOR THE DESIGN OF THE SEWAGE DISPOSAL SYSTEM ONLY
AND IS NOT TO BE USED TO ESTABLISH NEW OR EXISTING PROPERTY LINES OR
DWELLINGS.
2. LOCATION OF WATER, GAS AND ELECTRIC UTILITY LINES IS APPROXIMATE. THE
CONTRACTOR IS RESPONSIBLE FOR CONTACTING DIGSAFE AT 1-888-344-7233 AND THE
YARMOUTH WATER DEPARTMENT PRIOR TO CONSTRUCTION.
3. INSTALLATION SHALL BE IN ACCORDANCE WITH THE STATE ENVIRONMENTAL CODE,
TITLE 5 (310 CMR 15.000), THE LOCAL BOARD OF HEALTH REGULATIONS, THE
MICROFAST 0.5 UNIT MA DESIGN AND INSTALLATION MANUAL, AND THE CULTEC SEPTIC
MA DESIGN AND INSTALLATION MANUAL
4. THE CONTRACTOR MUST HOLD A VALID INSTALLER LICENSE IN THE TOWN OF
YARMOUTH.
5. THE CONTRACTOR SHALL NOTIFY THE ENGINEER AND THE LOCAL BOARD OF HEALTH
OF ANY CHANGES TO THESE PLANS.
6. CONTRACTOR SHALL CALL FOR INSPECTIONS AND APPROVALS FROM THE BOARD OF
HEALTH AND THE ENGINEER AFTER:
6.1. EXCAVATION OF SAS AREA EXPOSING THE BOTTOM OF SYSTEM.
6.2. INSTALLATION OF SYSTEM COMPONENTS PRIOR TO BACKFILL.
7. ALL PIPING AND FITTINGS SHALL BE SCHEDULE 40 PVC UNLESS OTHERWISE SPECIFIED.
8. FINISHED GRADE OVER THE SAS SHALL HAVE A MINIMUM 2% SLOPE.
9. EXISTING SYSTEM TO BE PUMPED DRY, CRUSHED AND FILLED WITH SAND. IF ANY
COMPONENT LIES WITHIN S OF THE PROPOSED SYSTEM, THE COMPONENTS SHALL BE
CRUSHED, REMOVED AND REPLACED WITH TITLE 5 FILL.
10. NO GARBAGE GRINDER SHALL BE INSTALLED AT THE EXISTING DWELLING.
GARAGE 113R\NEAEY E I KITCHEN I BATH I BED
LIVING
ROOM
BED
FLOOR PLAN
(UNFINISHED BASEMENT)
Design Tie -out Table (in feet)
LOCATION
X
Y
A (SAS corner
27.5
42.7
B SAS corner
55.9
29.6
C (SAS corner)
61.7
40.6
D (SAS corner)
37.9
5i.0
9" MIN. TO 36" PERFORATED
- MAX. COVER - SAS PIPING - -
- - - - - - - - - - - - - - - - - - -
51NFILTRATOR 3050 UNITS
37.58' --
SOIL ABSORPTION SYSTEM (SAS):
5 INFILTRATOR 3050 CHAMBERS
3.5' STONE ON SIDES, 1 FT ON ENDS
11.26 W x 37.58'L x 1.83'H
41NCH INSPECTION
PORT TO GRADE.
TOS
BOS
SYSTEM PROFILE
NOT TO SCALE
Yarmouth Health Department
APPROVED
a e-5 Date
SOIL EVALLLATION TEST PIT LOGS
Address: 38 Davis Rd Yarmouth, MA
Test Date: 12/29/2022
Soil Evaulator: Speakman
Test Hole 1
DEPTH (inches)
HORIZON /
LAYER
TEXTURE(USDA)
COLOR
(Munsell)
0-5
A
Loamy Sand
10YR3/1
S-26
B
Loamy Sand
10YR6/8
26.126
C
Medium Sand
10YR7/4
Notes: No gioundwaterobserved.
Percolation Test
Location: Depth Results Rate
THl
I QI,
could notsaturate
e2 min/inch.
DESIGN CALCULATIONS
4 Bedrooms x 110GPD/Bedroom
440
GPD
SEPTIC TANK (Per 310CMR15.233)
Single Compartment: 2 Days Flow
880
gallons
Mi numum Total Volume:
1500
gallons
SOLI ABSORPTION SYSTEM:
loading Rate (310CMR.15):
0.74
GPD/sq It
Area =440GPD/0.74GPD/sgft
594.6
sgft
Select S Infiltrator 3050 Chambers:
3.5 ft stone on sides and 1 ft stone on ends
Bottom Area = 11.25 ft x 37.58 ft
422.8
sq ft
Side Wall Area = 2 x (11.25ft +37.58ft) x 1.83 ft
178.7
sgft
Total Leaching Area = Bottom + Side Wall Area
603-5
sgft
Allowable Flow =Area x 0.74 GPD/sq ft
445.1
GPD
Schedule of Invert Elevations
Location
Design
As -built
4" @ sewer invert @ foundation
96.70
4" @ septic tank in
4" @ septic tank out
96.30
96.05
3" @ D-boxin
95.77
3" @ D-box out
95.60
3" @ SAS Chamber in
95.34
Top of Units (TOS)
96.01
Bottom of System (BOS)
93.51.
JAN `I 'I 'JU'Z3
HEALTH DEPT.
RQbIAL WATER LTD
ENGINEERING SERVICES
85 Courtland Street
Providence, RI 02909
P: +1 (508) 954 0677
E: jay@robialwater.com
CONSULTANTS:
SPEAKMAN EXCAVATING LLC
235 Great Western Rd
Dennis, MA 02660
P: +1 (508) 432 5565
E: info®speakmanexcavating.com
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I-------------J
No. REVISION/SUBMISSION DATE
COPYRIGHT 2022 - Robial Water Ltd. This document, and the ideas
and design concepts incorperated herein, as an instrument of
professional service, can not be used, in whole or in part for this or any
other project, without the written authorization of Robial Water Ltd.
PROJECT No. t5s.2022.051
SHEET TITLE:
SITE LAYOUT
SYSTEM DESIGN
SHEET SIZE: 18 IN. X 24 IN. (ARCH C)
DATE: 9 January 2023 _
SHEET NUMBER:
SHEET 1 of 1
PROJECT:
RESIDENTIAL ONSITE WASTEWATER
TREATMENT SYSTEM
NEW CONSTRUCTION
38 Davis Rd
Yarmouth, MA