HomeMy WebLinkAbout5 Faith Road Site & Sewage Disposal PlanGENERAL NOTES:
A.) NEITHER DRIVEWAYS NOR PARKING AREAS ARE ALLOWED OVER SEPTIC SYSTEM
UNLESS H-20 COMPONENTS ARE USED.
B.) THE DESIGNER WILL NOT BE RESPONSIBLE FOR THE SYSTEM AS DESIGNED UN-
LESS CONSTRUCTED AS SHOWN. ANY CHANGES SHALL BE APPROVED IN WRITING.
C.) CONTRACTOR SHALL BE RESPONSIBLE FOR VERIFYING THE LOCATION OF ALL
UNDERGROUNDAND OVERHEAD UTILITIES PRIOR TO COMMENCEMENT OF WORK.
CONSTRUCTION NOTES:
1.) ALLCONSTRUCTION SHALL CONFORM TO THE STATE ENVIRONMENTAL CODE,
TITLE 5, ANDTHE REQUIREMENTS OF THE LOCAL BOARD OF HEALTH.
2.) SEPTICTANK(S), GREASE TRAP(S), DOSING CHAMBER(S) AND DISTRIBUTION
BOX(ES) SHALL BE SET ON A LEVEL STABLE BASE WHICH HAS BEEN MECHANICALLY
COMPACTED, OR ON A 6 INCH CRUSHED STONE BASE,
3.) SEPTIC TANKS) SHALL MEET ASTM STANDARD C1127-93 AND SHALL HAVE
AT LEASTTHREE 20" DIAMETER MANHOLES. THE MINIMUM DEPTH FROM THE BOT-
TOM OF THE SEPTIC TANK TO THE FLOW LINE SHALL BE 48".
4.) SCHEDULE 40 PVC INLET AND OUTLET TEES SHALL EXTEND A MINIMUM OF 6"
ABOVE THE FLOW LINE OF THE SEPTIC TANK AND SHALL BE INSTALLED ON THE
CENTERLINE OF THE TANK DIRECTLY UNDER THE CLEANOUT MANHOLE.
5.) RAISE COVERS OF THE SEPTIC TANK AND DISTRIBUTION BOX WITH PRECAST
CONCRETE WATER TIGHT RISERS OVER INLET AND OUTLET TEES TO WITHIN 6" OF
FINISH GRADE, OR AS APPROVED BY THE LOCAL BOARD OF HEALTH AGENT.
6.) PIPING SHALL CONSIST OF 4" SCHEDULE 40 PVC OR EQUIVALENT. PIPE SHALL
BE LAID ON A MINIMUM CONTINUOUS GRADE OF NOT LESS THAN 1%.
7.) DISTRIBUTION LINES FOR SOIL ABSORPTION SYSTEM (AS REQUIRED) SHALL BE
4" DIAMETER SCHEDULE 40 PVC LAID AT 0.005 FT/FT. LINE SHALL BE CAPPED
AT END OR AS NOTED.
8.) OUTLET PIPES FROM DISTRIBUTION BOX SHALL REMAIN LEVEL FOR AT LEAST
2' BEFORE PITCHING TO SOIL ABSORPTION SYSTEM. WATER TEST DISTRIBUTION
BOXTO ASSURE EVEN DISTRIBUTION.
9.) DISTRIBUTION BOX SHALL HAVE A MINIMUM SUMP OF 6" MEASURED BELOW
THE OUTLET INVERT.
10.) BASE AGGREGATE FOR THE LEACHING FACILITY SHALL CONSIST OF 3/4" TO
1-1/2" DOUBLE WASHED NATIVE STONE FREE OF IRON, FINES AND DUST AND SHALL
BE INSTALLED BELOW THE CROWN OF THE DISTRIBUTION LINE TO THE BOTTOM OF THE
SOILABSORPTION SYSTEM, BASE AGGREGATE SHALL BE COVERED WITH FILTER FABRIC
OR APPROVED EQUIVALENT.
11.) VENT SOIL ABSORPTION SYSTEM WHEN DISTRIBUTION LINES EXCEED 50 FEET,
WHEN LOCATED EITHER IN WHOLE OR IN PART UNDER DRIVEWAYS, PARKING AREAS,
TURNING AREAS OR OTHER IMPERVIOUS MATERIAL; OR WHEN PRESSURE DOSED.
12.) SOILABSORPTiON SYSTEM SHALL BE COVERED WITH A MINIMUM OF 9" OF
CLEAN MEDIUM SAND (EXCLUDING TOPSOIL).
13.) FINISH GRADE SHALL BE A MAXIMUM OF 36" OVER THE TOP OF ALL SYSTEM
COMPONENTS, INCLUDING THE SEPTIC TANK, DISTRIBUTION BOX, DOSING CHAMBER
AND SOIL ABSORPTION SYSTEM. SEPTIC TANKS SHALL HAVE A MINIMUM COVER
OF 9".
14.) FROM THE DATE OF INSTALLATION OF THE SOIL ABSORPTION SYSTEM UNTIL
RECEIPT OF A CERTIFICATE OF COMPLIANCE, THE PERIMETER OF THE SOIL ABSORP-
TION SYSTEM SHALL BE STAKED AND FLAGGED TO PREVENT THE USE OF SUCH
AREA FOR ALL ACTIVITIES THAT MIGHT DAMAGE THE SYSTEM.
15.) SOIL REMOVAL: ALL LOAMY SAND SOIL LAYERS SHALL BE REMOVED FOR A
DISTANCE OF 5' FROM THE SOIL ABSORPTION SYSTEM DOWN TO THE 'C1' SAND LAYER.
AREA TO BE BACKFILLED WITH CLEAN SAND AND COMPACTED TO MINIMIZE SETTLING.
FLOW PROFILE:
NOT TO SCALE
TOP OF FOUNDATION
1 -� EL=45.0±
0
m
SAS DETAIL:
SCALE: 1" = 10'
[ TOTAL OF (4): (2) ST, (1) DB, (1) SAS ]
21" DIAMETER CONCRETE COVERS
RAISED TO WITHIN 6" OF
FINISH GRADE (OR AS NOTED)
(SEE NOTE #5)
---Proposed EL=43.0±
u-tsuA
SOIL TEST LOGS:
TEST HOLE 1: EL=38.6±
DEPTH FROM
SURFACE
(INCHES)
SOIL
HORIZON
SOIL
TEXTURE
(USDA)
SOIL
COLOR
(MUNSELL)
SOIL
MOTTLING
OTHER
0-8
A
Fine Loamy Sand
10YR3 2
NONE
8-28
B
Loamy Sand
10YR6 8
NONE
28-120
C1
Medium- Coarse Sand
10YR7 6
NONE
PERC @ 57"• <2 MIN IN
TEST HOLF 2: FL=38.6±
DEPTH FROM
SURFACE
(INCHES)
SOIL
HORIZON
SOIL
TEXTURE
(USDA)
SOIL
COLOR
(MUNSELL)
SOIL
MOTTLING
OTHER
0-8
A
Fine Loamy Sand
10YR3 2
NONE
8-26
B
Loamy Sand
10YR6 8
NONE
26-120
C1
I Medium- Coarse Sand
10YR7 6
INONE
TEST HOLE 3: EL=39.6±
DEPTH FROM
SURFACE
(INCHES)
SOIL
HORIZON
SOIL
TEXTURE
(USDA)
SOIL
COLOR
(MUNSELL)
SOIL
MOTTLING
OTHER
0-8
A
Fine Loamy Sand
10YR3 2
NONE
8-26
B
Loamy Sand
10YR6 8
NONE
26-122
Cl
Medium- Coarse Sand
10YR7 6
INONE
I PERC 63"• <2 MIN IN
TEST HOLE 4: EL=39.6±
DEPTH FROM
SURFACE
(INCHES)
SOIL
HORIZON
SOIL
TEXTURE
(USDA)
SOIL
COLOR
(MUNSELL)
SOIL
MOTTLING
OTHER
0-8
A
Fine Loamy Sand
10YR3 2
NONE
8-28
B
Loamy Sand
10YR6 8
NONE
28-122
C1
Medium- Coarse Sand
10YR7 6
I NONE
DATE OF TESTING: 10/26/2023
PERCOLATION RATE: LESS THAN-2 MIN/INCH IIJ 'Cl'LAYER.
WITNE,$SED BY: ROBERT REEDY, P.E., J.M. O'REJL Y & ASSOCIATES, INC.
BARRY LEWIS, YARMOUTH H-A TH DEPARTMENT
NO WATER ENCOUNTERED
USE A �ADING RATE OF 0.74 GPD/SF FOR SIZI OF SOIL ABSORPTION SYSTEM.
/l
STEM DESIGN CALCULATIONS:
SEWAGE DESIGN FLOWi (/� ��fUsYS
BEDROOM DWELLING @ 110 GPD = 440 GPD)
LEACHING CAPACITY REREDi _mot
BEDROOMS (MAX.)11 PD = 440 GPD REQUIRED
SEPTIC TANK CAPACITY REQUIREDi
DAILY FLO = 440 GPD = 880 GAL. REQUIRED
SEPTIC TANK CAPACITY PROVIDEDi
O0GALLON SEPTIC TANK MIN. ALLOWED)
LEACHING CAPACITY PROVIDEDi
ONE 1 3 .5 X 12. X 2.0 LEA HING CHAMEER CAN LEACH:
Vt=[(33.5 X 12.83) + (33.5 X 2.0)2 + (12.83 X 2.0)2] X 0.74 GPD/SF=455.10 GPD
-455 GPD>440LPD REQU�RED
NOTE: A qARBAGE DISPOS L I NOT ERMIT-ED WITH THIS DESIGN.
INSTALLi
ONE 1 - 1500 GALLON SEPTIC TANK
ONE (1)- 3 OUTLET DISTRIBUTION BOX (H-20 RATEb)
THREE (3)- 500 GALLON LEACH CHAMBERS UIjlJ 4' OF NATIVE STONE ALL AROUND
COVER TO BE BUILT UP TO
WITHIN 6" OF FINISH GRADE
INSPECTION NOTE:
PRIOR TO FINAL INSPECTION BY THE ENGINEER, SYSTEM NEEDS TO
BE COMPLETE INCLUDING BUILDUP FOR COVERS.
� 'i I
9
42.00 40 25 10" 14"17= Ml
0.
3' T 9.
4'0"
GAS BAFFLE
27 1500 GALLON 12
SEPTIC TANK
2"
ROOF RUNOFF DOWNSPOUT SECTION:
PROPOSED 6" ADS HDPE 'T' CONNECTION
PROPOSED 6" ADS HDPE
NOT TO SCALE
PROPOSED DOWNSPOUT
(SEE ARCHITECTURAL PLANS
FOR DETAILS AND LOCATIONS)
ADS DOWNSPOUT ADAPTER
FINISH GRADE
MINIMUM 0% PITCH
6" ADS HOPE TO LEACHING
DRIVEWAY PAVEMENT SECTION:
NOT TO SCALE
_REQUIREDACCE55 PRUN/NGZONE
(12' TALL X 14' WIDE)
I I
I I
i 10' (ACCESS)
2, 20' (PARKING) 21
SRO
1/4" PER FOOT PITCH
1" FINISH COVER (ROLLED)
1.5" BINDER COURSE (ROLLED)
4" DENSE GRADE CRUSHED STONE BASE (14' WIDE)
(MIN) 4" CLEAN SAND (SUB -BASE)
ALL DRIVEWAY FILL SHALL BE CLEAN SAND PLACED IN
(MAX) 6" LIFTS AND COMPACTED TO 95% DENSITY AS
DETERMINED BY THE MODIFIED PROCTOR TEST
PERMEABLE SOIL
(50% SAND, 50% LOAM)
FILTER FABRIC
3/4" TO 1-1/2" STONE
NATIVE SOIL SUB -BASE -
FREE FROM LOAM / ORGANIC MATERIAL
oposed EL=43.0± _,-Proposed EL=43.0±
36" Proposed
40.0± (9" Min- 36" Max)
El- FILTER FABRIC
39.25 V ^ 3/4"- 1-1/2" NATIVE STONE
.58 N N
P
37.25
USE THREE (3) SHOREY PRECAST
500GALLON LEACH CHAMBERS 16.8'1
Longest Run WITH 4' OF NATIVE STONE AROUND
15' (END VIEW)
LEACHING CHAMBER EL=20.4±PERCHED GROUNDWATER,
TEST HOLES 3 AND 4, LOT 14 (8 FAITH ROAD)
33.5'x 12.83'x 2.0'
SWALE DETAIL:
NOT TO SCALE
I
I
I
- - 1
ROOF RUNOFF LEACHING SECTION:
NOT TO SCALE
1-112" WASHED STONE
SURROUNDING CHAMBERS
FINISH GRADE
CULTEC NO.410 NON-'NOVEN GEOTEXTILE
(OR APPROVED EQUAL, AROUND TOP AND
SIDES OF STONE.
r 6" MINIMUM
/ NATURALLY COMPACTED FILL
ROOF RUN-OFF NOTES:
1.) ALL ROOF GUTTERS SHOULD BE DIRECTLY CONNECTED TO
LEACHING FACILITIES USING 6" ADS PIPE.
2.) DWELLING SHALL UTILIZE A TOTAL OF (2) CULTEC
RECHARGER 330XLHD STORMWATER LEACHING UNITS, SPLIT
INTO (2) 10.5'x 6.33' LEACHING FACILITIES.
3.) LEACHING FACILITIES SHALL BE SET WITHIN A CLEAN SAND
BASE WITH ANY UNSUITABLE SOILS AND/OR ORGANIC
MATERIAL REMOVED. CHAMBERS SHALL BE SURROUNDED BY
6" STONE ON -OP AND BOTTOM, 12' STONE ON SIDES.
- 30.5"
6" ADS HOPE FROM ROOF
PIPE SHALL EXTEND Ln
12" INSIDE CHAMBERS - Q
12" 8.5' 2" rn
rn
u7
\-10,5'x 6.33' LEACHING FACILITY- �c
ONE (1) CULTEC RECHARGER 330XLHD
0
HEAVY DUTY CHAMBER WITH 1' STONE
AROUNDAND 6" STONE ABOVE AND BELOW.. ra
ca
a
CULTEC NO.4800 WOVEN GEOTEXTILE TO BE PLACED
OPEN SPAC
STORMWATER SWALE
(SEE DETAIL)
12"(min)
in)
min)
BENEATH ALL INLET PIPES (FOR SCOUR PROTECTION)
PLAN
SCALE 1"=20'
0 20 40 60
SCALE 170'
G:\AAJobs\THE DAVENPORT COMPANY -ROUTE 6A-YARMOUTHPORT\DWG\8807.SDS Plans.dwg