HomeMy WebLinkAbout42.16 - Septic System Upgrade DesignCr1
13.33'
EXISTING
BUILDING
TOF- 16.00'
23.0' +/- Lf.
10 i
T 4.
COVER TO BE WITHIN
MIN. COVER TYPE' OF FINISHED GRADE
COVER TO BE WITHIN
6' OF FINISHED GRADE
4" SCHE .
PV�jPE
2 FT/FT
14• 7.0+/- I.1.
WATER TESTED FOR LEVEL
/ 2' LEVEL. 3' MAX._ COVER
T 1' MIN. COVERT PEAMOW _
AFifR 2 FT
;4-�-OR
PLACE SEPTIC TANK ANDDIST. BOX ON 6" OF STONE
arsOR MECHANICALLY COMPACTED
UNDISTURBED SOIL
1500 GALLON DISTRIBUTION
SEPTIC TANK BOX
H-10 H-10
SEPTIC SYSTEM PROFILE
NOT TO SCALE
DAM- 4/23/2=
Tw HOLE 1 Iso-. 13.30
e
SAS -4 FLOW DIFFUSERS 4'X8'
38' X 8'
REMOVE do DISPOSE.ot
EXISTING CESSPOOLS 4.0' 80.63-k x
(APPROXIMATE) 0 38 Q r
o
10.8' °.� B. O
0 '25 fi x A
0 0t0. e D -BOX , 1 C
21.4' 4.5 ,n U)
x
cn
x
14 757
1500 GALLON . t 47.2'
SEPTIC TANK
1_ _ •° �k BENCHMARK
pEOX �; TOP OF TAG
x OWELLIHG G O BOLT
x EL=17.35'
'1 SOH p ' APPROX. MSL
x 160 Z78 a
IN
U4 a w ` A WATER
UNE
J
x SµED 1 15 a '+
t98 N 11p$La,
e°
x
1 96 SO g7 °�
4) - LQ
X
SITE PLAN -
1" = 20'
4 FLOWDIFFUSORS H-20
ADJUSTED
DMH FROM
SURFKE
c�6T
SSL H%=N
SMTDCRR E
nLs,1
SOS t°Lort
OANSFLLJ
SOL MOTTLm
oHfR
soNq � .
A
LOW S*m
10 YR 3/3
,
e - 21r
t1.
LON" SAM
10 YR 3/b
2r - 133'
0
FINE Sk4D
10 YR 8/5.
CRMM MATER D"KHIERE71 AT -201- Elft SJO PVC AT a'
-1.2JM/N PEM 27 GY.4.
USING INDEX WELL MIW-29
AND USGS GROUNDWATER ELEVATIONS
FCR 5/03
WATER LEVEL RANGE - A
WELL READING - 6.7
ADJUSTMENT - 0.7'
ADJUSTED GROUND WATER ELEVATION
15.30-10.0+0.7 = 6.00'
DESIGN CALCULATIONS:
NUMBER OF BEDROOMS: _ 2 -OUSE MINIMUM 3)
GARBAGE DISPOSAL UNIT: NONE
TOTAL ESTIMATED FLOW:
.-'( 110 GAL/BEDROOM/DAY X 3 BEDROOMS = 330 GPD)
REQUIRED SEPTIC TANK CAPACITY= (2007.) = 660 GAL
ACTUAL TANK SIZE: -L590-- GAL.
LEACHING AREA REQUIRED:
SOIL CLASS
PERC RATE MIN/IN. ,
LTAR - 0.74- GPD/FT
330 _ GPD / 0.74_ GPD/S.F. _ _ 445_95 -SF USE 446____ SF
LEACHING CAPACITY:
USE 4 FLOW DIFFUSERS WITH 3 FEET OF STONE ON ENDS
2 FEET OF STONE ON SIDES AND 1 FOOT UNDERNEATH
BOTTOM= [8 _' x -38_'] _--30AL_ SP
SIDES= [8 _' + 38 -'x 2' J X2 = -_164- SF
TOTAL AREA _A86- SF
TOTAL CAPACITY = 488 SF • .74 GPD/SF = 361 GPD
FAMILY
BATH . z r
BED BED
FLOOR PLAN
10.15'
rl 3/4' TO 1 1/2'
DOUBLE WASHED STONE
_4 'MIN
NOTES:
il�
LOCUS
X
�7
LOCUS MAP
NOT TO SCALE
IN1
1. VERTICAL DATUM: T.O.F ELEVATION = 16.00'
2. SEPTIC SYSTEM SHALL BE INSTALLED ACCORDING TO 310
CMR 15.00 (TITLE 5) AND THE TOWN OF YARMOUTH BOARD
OF HEALTH REGULATIONS.
3. ALL PIPES SHALL BE 4" SCHEDULE 40 PVC
4. THE DISTRIBUTION BOX SHALL BE WATER TESTED TO
INSURE LEVELNESS AND EQUAL FLOW.
5. THE INSTALLER IS TO VERIFY THE LOCATION OF UTILITIES
AND SEWER UNE ELEVATIONS PRIOR TO INSTALLATION.
6. SOIL ABOVE C LAYER (SHOWN ON SOIL LOGS) SHALL BE
REMOVED AND REPLACED WITH CLEAN SAND ACCORDING TO
MASS. LOCAL SPECIFICATIONS IN THE SAS. AREA.
7. EXCAVATION FOR AREA WHERE FILL IS REQUIRED SHALL
EXTEND 5' LATERALLY BEYOND S.A.S.
8. SYSTEM IS NOT DESIGNED FOR GARBAGE GRINDER.
9. ALL PRE CAST UNITS ARE TO BE PLACED ON 6" MIN.
CRUSHED STONE, MECHANICALLY COMPACTED.
10. MIN. PIPE SLOPE 1/8 IN/FT, 1/4 IN/FT PREFERRED.
11. MANHOLE COVERS ARE TO BE WITHIN 12" OF FINISHED
GRADE.
12. SEPTIC TANK TEES SHALL CONFORM TO MASS & LOCAL_
REGULATIONS.
13. ALL STONE IS TO BE DOUBLE WASHED ACCORDING TO
MASS. & LOCAL REGULATIONS.
14. GROUND COVER OVER SYSTEM COMPONENTS SHALL NOT
EXCEED 3'.
15. CONTRACTOR SHALL INSTALL ZABEL A1800 (OR EQUAL)
EFFLUENT FILTER.
16. LOCAL UPGRADE VARIANCE REQUESTED FOR SAS
SETBACK FROM SLAB FOUNDATION FROM 10' TO 4.5'
17. LOCAL UPGRADE VARIANCE REQUESTED FOR SAS
SETBACK FROM PROPERTY LINE FROM 10' TO 4.0'
18. LOCAL UPGRADE VARIANCE REQUESTED FOR
TER SEP M 5' TO 4'.
$
tNSWLEt9 6
^lvtl 1
µ
El�r,� • - APPROVED
Date DESCRIPTION Drawn Checked
R E V I S 1 0 N S
SEPTIC SYSTEM UPGRADE DESIGN
AT
31 LOCUST STREET
IN
YARMOUTH
SCALE: 1" = 20' DATE: JUNE 10, 2003
LA BARGE
ENGINEERING & CONTRACTING, INC.
22 MOSS HILL RD.
HARWICH, MA 02645
(508) 432-6360
DRAWN BY:
CHECKED BY: _TAL SHEET 1 OF 1