HomeMy WebLinkAboutEngineered Plan - Rev. 20170
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Note
*Erosion control protection measures are to be installed and o 0
o maintained until landscape vegetation's established.
**Roof Stormwater Run—off Is To Be Directed a
o *** to Gutters, Downspouts, and Drywells.
S't
i e Grading And Landscaping Is To Gdntain Stormwater Run—off
& Prevent Against Stormwater Flowing; Onto Adjacent Properties.
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�- 10' -1
PROP. T.O.F.
30' --1 1~ 15' —►I
ACCESS MANHOLES TO WITHIN
6" OF FINISHED GRADE
V110"
7— 14" iddGAS
BA
1500 GAL.
11.7 SEPTIC TANK
JIT. , a
Provide (3) Charcoal
4" Perf. Insp Ports w/ Vent
pull cop and lawn cover
® Surface (See Detail)
ELEV. 11.6 Min.
3' Max.l 1' Min.
cover cover
filter fabric
or
1/8" to 1/2"
double washed
3/4" to 1112 "
)uble. washed
L ----------I-------- tLtv_Iv.uiELEV. 9.0
1 J7 ELEV. 1 60' olt
D—BOX (3) — 60'x3'X1'deep 5.0'
H-20 STONE TRENCHES
SYSTEM PROFILE Aad ELEV.
cW
Not to Scale
SEPTIC SYSTEM NOTES
xr
- CONTACT OFFICE (508)-432-2878 A. MINIMUM OF 48 HOURS PRIOR TO START OF PROJECT
- EXISTING CESSPOOLS ARE TO BE PUMPED AND FILLED OR REMOVED ALONG WITH ALL CONTAMINg, D $PILS WITHIN 5'
OF PROPOSED SAS.
- UNSUITABLE SOILS ARE TO BE REMOVED, IF ENCOUNTERED BELOW EL. 10.3, FOR 5'` AROUND THE LEACHWO ``ARIA
AND REPLACED WITH TITLE -5 FILL SOIL. r
- ALL COMPONENTS ARE TO MEET TITLE 5 MATERIAL & CONSTRUCTION REQUIREMENTS.
- SYSTEM COMPONENTS ARE TO BE SET ON A STABLE, COMPACTED BASE.
- DISTRIBUTION BOX EXIT LINES ARE TO BE SET LEVEL FOR THE FIRST 2'.
- DESIGN ENGINEER IS TO VERIFY SOILS OF ALL SAS EXCAVATIONS BEFORE SYSTEM INSTALLATION -REQUIRED.
- DESIGN ENGINEER IS TO VERIFY SYSTEM INSTALLATION (LOCATIONS & ELEVATIONS) PRIOR TO BACKFILLING.
- COMPONENTS ARE TO BE WITHIN 3' OF FINISH GRADE & ARE TO HAVE A MINIMUM OF 1' OF SOIL COVER. ACCESS
MANHOLES ARE TO BE WITHIN (3"-6") OF FINISHED GRADE ON SEPTIC TANK INLET AND OUTLET COVERS AND
DISTRIBUTION BOX COVER. LEACHING AREA INSPECTION PORTS (3) ARE TO BE SET AT GRADE WITH IRRIGATION
CONTROL BOX COVERS REQUIRED.
- ALL POST CONSTRUCTION LANDSCAPING DETAILS ARE TO BE BETWEEN INSTALLER AND PROPERTY OWNER OR AGENT.
GROUNDWATER ADJ.
Groundwater Found:
Index Well: MIW-29
Zone A (1/16, 8.3')=
Adj. High GW Depth
E t. 2.3
ELEV.
12.3
> + 1.7' 12.0
E t. 4.0 11.0
8.5
0.3
ELEV.
12.3
12.0
11.3
9.3
0.8
Lawn Box 4" Pull
Cap
Leaching Perforated Pipe
Trench Inside Trench
Use min.: 2— 3/8" Holes
® 2" vert.spacing
INSP. PORT DETAIL
r----------�
I Q I
TRENCH SECTION
DEEP HOLE LOGS
DATE. 1/13/16
DEEP OBSERVATION HOLE # I TEST BY: DANIEL CROTEAU TIME. 1:00
01 F"M g HOR.
TEXTURE COLOR
(MUNELL)
SOIL STRUCTU RE
MOTTLING CONSISTENCY, OTHER
3" 0
Organic N/A
NO
15" A!E
Loamy and 10YR 4/2
NO larger grains, white
46" B
Loamy - Medium Sand 7.5YR 5/6
NO very friable
144" C
Medium to Fine Sand 2.5YR 713
1 GWE @ 120"
BOL OF PERC:
34'
RATE., < 2 MIN/INCH (24 -GALLONS OF WATER WITH <9' REMAINING AT 9 MIN.
13 SEC.). LOADING RATE 0.74 GPD/SF (CLASS 1)
WITNESS: AMY VON HONE, YARMOUTH HEALTH DEPARTMENT.
DATE: 1/13/16
DEEP OBSERVATION HOLE # 2 TEST BY: DANIEL CROTEAU TIME: 1:00
E HOR.
SURFACE
COLOR
TEXTURE (MUMS ELL)
SOIL
MOTTLING CONS STTENCY,OOTHER
3" 0
Organic NIA
NO
12" A
Loamy Sand IOYR 4/2
NO
36" B
Loamy Medium Sand 7.5YR 5/6
NO very liable
138" C
Medium to Fine Sand 2.5YR 7/3
GWE @ 120"
BOL OF PERC:
36'
RATE: < 2 MIN/INCH (24 -GALLONS OF WATER WITH (9' REMAINING AT 15 MINUTES). LOADING RATE 0.74 GPD/SF (CLASS 1)
WITNESS: AMY VON HONE, YARMOUTH HEALTH DEPARTMENT.
SYSTEM DESIGN
Design Flow: 6 bedrooms @ 110 gal/day = 660 gal.
Septic Tank: 660 gal. x 200% = 1320 gal.
Use:
Leaching Facility:
Bottom
Sides:
*Garbage disposal
1500 Gal. Septic Tank (H-10)
(3) — 60' x 3' x 1'deep Stone Trenches
3x 60'x 3' _ x 0.74aal/sf = 399 Gal
3x2(60'+3')x1'xO.74gal/sf= 279 Gal
Total Capacity= 678 Gal
is not permitted with this design.
Revision: 4118117