HomeMy WebLinkAboutEngineer PlanGENERAL NOTES:
1. CONTRACTOR SHALL NOTIFY 'DIG -SAFE" AS REQUIRED PRIOR TO THE START OF ANY
EXCAVATION WORK. CONTRACTOR IS RESPONSIBLE FOR PROTECTING UTILITIES WITHIN THE
WORK AREA DURING CONSTRUCTION.
2. THIS PLAN IS FOR SEWAGE DISPOSAL SYSTEM DESIGN PURPOSES ONLY. THIS PLAN IS NOT
FOR USE TO DETERMINE PROPERTY LINES. PROPERTY UNES PER CERTIFIED PLOT PLAN BY R.J.
O'HEARN DATED 11/28/82 ON FILE AT THE YARMOUTH TOWN HALL
3. CONTRACTOR SHALL DETERMINE THE LOCATION OF EXISTING UNDERGROUND UTILITIES PRIOR TO
EXCAVATION
4. ALL CONSTRUCTION SHALL CONFORM TO THE STATE SANITARY REGULATIONS (310 CMR 15.00)
AND ALL OTHER APPUCABLE LOCAL, STATE, AND FEDERAL CODES AND REGULATIONS.
5. CONTRACTOR TO VERIFY EXISTING CONDITIONS, INCLUDING ELEVATIONS OF EXISTING BUILDING
SEWER, AND REPORT AND DISCREPANCIES TO THE DESIGN ENGINEER PRIOR TO THE SETIING
OF ANY SEWAGE DISPOSAL SYSTEM COMPONENTS.
SEWAGE DISPOSAL SYSTEM NOTES:
1. H-20 RATED COMPONENTS SHALL BE REQUIRED IN ANY AREAS SUBJECT TO VEHICULAR
LOADING AND AS REQUIRED ON THE PLAN.
2. THE DESIGNER WILL NOT BE RESPONSIBLE FOR THE SYSTEM AS DESIGNED UNLESS
CONSTRUCTED AS SHOWN. ANY CHANGES OR DEVIATIONS FROM THIS PLAN MUST BE
APPROVED IN WRITING.
3. ALL GRAVITY SEWER PIPE SHALL BE 4" CIA. SCH 40 PVC UNLESS OTHERWISE NOTED. THE
MINIMUM SLOPE OF 4' DIA. SCH 40 PVC SHALL BE 0.01 FT/FT.
4. SOIL ABSORPTION SYSTEMS MUST BE VENTED WHEN DISTRIBUTION LINES EXCEED 50 FEET IN
LENGTH, WHEN LOCATED IN AREAS SUBJECT TO VEHICULAR LOADING, AND WHEN PRESSURE
DOSED.
5. FINISHED GRADE SHALL BE A MAXIMUM OF 36" AND A MINIMUM OF 9' OVER THE TOP OF ALL
SYSTEM COMPONENTS
6. EXISTING LEACH PIT TO BE PUMPED DRY, FILLED WITH CLEAN SAND AND ABANDONED IN
PLACE.
7. ALL SEPTIC COMPONENTS SHALL BE INSTALLED WATERTIGHT.
8. COMPONENTS TO BE PROVIDE WITH WATERTIGHT ACCESS COVERS RAISED TO WITHIN 6" OF
GRADE WHERE REQUIRED.
9. PRIOR TO FINAL INSPECTION BY THE ENGINEER AND THE BOARD OF HEALTH ALL SYSTEM
COMPONENTS MUST BE INSTALLED INCLUDING ALL ACCESS COVERS WITH RISERS.
10. CONTRACTOR TO VERIFY ELEVATIONS OF EXISTING SEPTIC TANK OUTLET AND REPORT AND
DISCREPANCIES TO THE DESIGN ENGINEER PRIOR TO THE SETTING OF ANY SEWAGE DISPOSAL
SYSTEM COMPONENTS.
SCHEMATIC FLOW PROFILE:
NOT TO SCALE
RAISE COVERS
TO WITHIN 6" OF
FINISH GRADE
:2" min.
3" max.
TEES AN
. _ PVC
EXISTING 1,000 GALLON
SEPTIC TANK
(H-10)
DEEP OBSERVATION HOLE LOGS
NO SCALE
DEEP OBSERVATION HOLE 1 EL = 56.3t
DEPTH FROM
SURFACE
SOIL
HORIZON
SOIL
TEXTURE
SOIL COLOR
MUNSELL
0' - 10'
A
LOAMY SAND
10 YR 3/4
10" _ 34"
B
LOAMY SAND
10 YR 5/8
34" - 144'
C1
M/C SAND
10 YR 8/6
DATE OF TESTING: 9/22/21
PERCOLATION RATE: LESS THAN 2 MIN/INCH IN C2 LAYER (PERC 0 72")
WITNESSED BY: KEITH E. FERNANDES, PE, DIG -IT CONSTRUCTION LLC
PHILIP RENAUD, HEALTH AGENT, YARMOUTH HEALTH DEPARTMENT
NO GROUNDWATER ENCOUNTERED
USE A LOADING RATE OF 0.74 GPD/SF FOR SIZING OF SOIL ABSORPTION SYSTEM.
SAS DETAIL
SCALE: 1" = 10'
PROPOSED
INSPECTION
PROPO'.
BUILD -
COVER
23'
3' 8.5' 8.5' 3-
�r
2
SYSTEM DESIGN CALCULATIONS;
EXISTING 2 BEDROOM DWELLING AT 110 GAL. PER DAY PER BEDROOM = 220 GPD
DESIGN FOR 2 BEDROOMS (YARMOUTH BOARD OF HEALTH REQUIREMENTS) = 220 GPD
220 GPD X 200% = 440 GALLONS - RE -USE EXISTING 1000 GALLON TANK
23' L. X 10.83' W. X 2' D. LEACHING CHAMBER (H-20) CAN LEACH:
Vt = ((23 X 10,83) + (23 X 2)2 + (10.83 X 2)21 X 0.74 GPD/SF = 284 GPD
NOTE: A GARBAGE DISPOSAL IS NOT PERMITTED WITH THIS DESIGN.
INSTALL
TWO (2) - 500 GALLON LEACH CHAMBERS (H-20) WITH 3' OF STONE AROUND
ONE (1) - 3 OUTLET DISTRIBUTION BOX (H-20)
LL
PLAN VIEW
SCALE. 1" = 20'
110.00'
Existing Leach pit
'
M
co
(See Note #6)
d
i
z
I
"
�
17
it
1
ST
I
N
-
1 � '
W
U
"
J
Existing 2 Bedroom
Top of
i
m
'o
a
Dwelling
Foundation EL=56.St
a
i
_
m
`• LOT
#34
AREA = 12,975
SQ. FT.
p
ry
^>c5
v
1�
85.00'
Edge oI pavement
CARDINAL
LAN L
taov 1 7 2021
I
HEALTH DEPT.
BASIN RIM
RAISE COVER
TO WITHIN 6"
RAISE (1) COVER
TO WITHIN 6' OF
EL=53A±
(NAVD88)
OF FINISH
FINISH GRADE
GRADE
FINISH GRADE=56.0t
FINISH GRADE=56 (MAX)
UNE(S) EXITING D'BOX SHALL HAVE
35" Proposed
4"4 SCH 40
SPEED LEVELERS AND SHALL REMAIN
(9" Min - 36" Max)
PVC PIPE
LEVEL FOR BEFORE PITCHING LEA
DOWN TO LEACHING FACILITY
n�
�4" CIA SCH 40 PVC PIPE -S 53.1:
•52.71
*EXISTING 52 42
(SEE NOTE 110)
17't
1 52.25 1
r KEITH E. 1
FERNANDES
CIVIL
No. 48725
KITCHEN BED
m
LIVING BED
FLOOR PLAN
NOT TO SCALE
Yarmouth Health Departmem
APPROVED
Sri 1tv"S '1111-11alew
Name Date
REVISED 11-16-2021: LEACHING CAPACITY REVISED
DIG -IT
CONSTRUCTION, LLC
PO BOX 268 SOUTH DENNIS, MA 02660
PHONE: 508-432-1635
www.digitconstructionllc.com
CUENT:
MJ NARDONE BUILDING &REMODELING
299 WHITES PATH
S. YARMOUTH, MA 02664
2" LAYER OF 1/8" - 1/2" STONE (OR FILTER FABRIC)
3/4" - 1-1/2" STONE DOUBLE WASHED STONE
(1) 4' SCH. 40 PVC
INSPECTION PORT
W/ 18" PIECE OF #4
REBAR RAISE TO WITHIN
�-- 4' OF GRADE
PIPE SHALL BE
PERFORATED WITHIN
FIELD
52.10 ' DEPTH
ALL
COMPACTED BASE
DB-3 W/ 6' LAYER OF 50.1± USE (2) SHOREY PRECAST (OR EQUAL
(H-20)
CRUSHED STONE ALL 500 GALLON LEACH CHAMBERS (H-20) 5.8
BOX NTH STONE AROUND (SEE SAS DETAIL)
15'3 LONGEST RUN (END VIEW)
�- LEACHING CHAMBER
23' x 10.83' x 2.0'
0 20 40 60
SCALE 1"=20'
EL=44.3t BOTTOM OF TEST PIT #1
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Yormouth\CAD\Plan s\7001-SAS(REVISEDI1-16-2021).dwg