HomeMy WebLinkAboutDecision 3481GENERAL -NOTES:
I. THIS PLAN IS FOR THE DESIGN AND CONSTRUCTION
OF THE SEWAGE DISPOSAL SYSTEM AND PERMITTING
ONL Y.
2• VERTICAL DATUM IS NGVD. FOR BENCH MARKS
SET. SEE. SITE PLAN.
J. ALL CONSTRUCTION METHODS AND MA TER I AL S AND
MAINTENANCE OF THE SEPTIC SYSTEM SHALL
CONFORM TO MASS. D.E.P. TITLE 5 AND LOCAL
BOARD OF HEALTH REGULA T I ONS .
4. ALL SEPTIC SYSTEM COMPONENTS LOCATED UNDER
AREAS SUBJECT TO VEHICULAR TRAFFIC OR GREATER
THAN 3' IN DEPTH SHALL BE CAPABLE OF WITH-
STANDING H-20 WHEEL LOADS,
5. ALL SEWER PIPE SHALL BE SCHEDULE 40 OR
APPROVED EQUAL.
6. SEPTIC TANK AND D -BOX SHALL BE REINFORCED
PRECAST CONCRETE AND WATERTIGHT.
7. BEFORE CONSTRUCTION CALL 'DIG -SAFE'.
1 -888 -DIG -SAFE AND THE LOCAL WATER DEPT.
FOR LOCATION OF UNDERGROUND UTILITIES.
8. EXISTING CESSPOOLS TO BE PUMPED DRY AND
REMOVED.
9. ALL UNSUITABLE MATERIAL (0.E c4.8 HORIZONS)
ENCOUNTERED BELOW THE INVERT OF THE LEACHING
FACILITY TO BE REMOVED FOR A DISTANCE OF 5'
AROUND AND REPLACED WITH SAND IN ACCORDANCE
WITH TITLE 5. '
l0. NO DETERMINATION HAS BEEN MADE AS TO
COMPLIANCE WITH DEED, RESTRICTIONS OR ZONING
REGULATIONS. IT SHALL REMAIN THE CLIENTS
RESPONSIBILITY TO -OBTAIN ALL PERMITS. SPECIAL - PERMITS. VARIANCES ETC. FOR THIS PROJECT.
Il. LOT IS WITHIN FLOOD HAZARD ZONE B AS PER
MAP 250015 0005 D. DATED JULY 2. 1992.
ACCESS COVERS MUST BE WITHIN 9' MINIMUM.
6' OF FINISH GRADE 3' MAXIMUM COVER
14.2 FIRST 2' TO
13.3 MIN BE LEVEL 7 MIN 2' OF PEASTONE
4' DIAM PIPE
3/4' - 1 //2' DIA.
S� 0 8 WASHED STONE
� BAFFLE 0 53
3 OUTLET 5 HIGH CAPACITY INFILTRATOR
D -BOX CHAMBERS W13.5' STONE AROUND
1500 GAL /0'r X 38'1 X l0'd
SEPTIC TANK 6CRUSHED STONE BASE
PROF/ L E : NOT TO SCALE
1 V
5 HIGH CAPACITY
INFILTRATORS W1J.5't
STONE AROUND
INVERT ELEVATIONS:
INVERT AT BUILDING:
11.65
INVERT IN SEPTIC TANK:
11.35
INVERT OUT SEPTIC TANK:
11.1
INVERT /N DIST. BOX:
10.97
INVERT OUT DIST, BOX:
10.8
INVERT IN LEACH CHAMBER:
10.53
BOTTOM OF LEACH CHAMBER:
9.7
ADJUSTED GROUND WATER:
4.7
OBSERVED GROUND WA TER :
4.3
BOTTOM OF TEST HOLE +l: 3.8
INDEX WELL M / W 29. ZONE A
4/98 - 6.3. 0.4' ADJUSTMENT
DESIGN CRITERIA
DESIGN FLOW:
3 BEDROOMS AT 110 G.P.D. PER
BEDROOM EQUALS 330 G.P.D.
NO GARBAGE GRINDER
SEPTIC TANK REQUIRED:
330 G.P.D. X 200x - 660 GAL.
SEPTIC TANK PROVIDED: 1500 GAL. MIN.
SOIL ABSORPTION SYSTEM REQUIRED:
DESIGN PERC RATE C 5 MIN/INCH
SOIL TEXTURAL CLASS - I
EFFLUENT LOADING RATE - 0.74 GPD/SF
330 GPD / 0.74 GPD/SF - 446 S.F. REQUIRED
PROVIDED: 5 HIGH CAPACITY INFILTRATOR
CHAMBERS W/3.5's STONE AROUND. A-460 S.F.
460 S.F.x 0.74 GPD/SF - 340 GPD
SOIL TEST PIT DA TA
I ND I CA TES�_ I ND I CA TES
PERCOLATION _ OBSERVED
TEST GROUNDWATER
TP • l '
O.
HORIZON
TEXTURE
COLOR
0
11 3
2*
........................................
E
LOAMY
IOYR
SAND
4/3
7*
........................................
10.7
B
LOAMY
IOYR
SAND
5/8
24 '
.................................r......
9.3
C/
MED I UM
IOYR
SAND
6/6
48'-
64--
4.3
90'
3.8
vn
W �i o� o N` 1 ,,l DATE: APRIL 30. 1998
:w TEST BY: STEPHEN HAAS
WITNESSED BY: AMY VONHONE
t m PERC RATE: C 2 MIN/INCH
10.56 r to SOIL REMOVAL x
D -BOX
Z V 1500 GAL K 3 r
70 w ko � � _r_-- SEPTIC TANK
el
i G CESSPOOL
I //
7/ 1 U
LOT -9' 3
o 120' 50*W '
11723 + S.F. S 66 '---
S/ TE_ F L A /V O L A /V D
10.4
45 ACRE'S A VE-, MAP / 9 PARCEL W9
• HYD TAG BOLT #673 ® v f / A R/ y/ O u T/ / • "A •
ELEV - 13.22 NGVD
ROUTE 26PREPARED FOR
1o.s�"
10.43
}
45 LAKE'S / OE A VE. #5 . MARL BORO . MA 01,7-52
i.
SCAL E . / " - 20 MA Y -5 . / 998
EAG L E SUF:RVEY I NG I NC
LOCUS
923 R o u t e 6A
/ 1 Yarmouthport MA. 02675'
LEWIS �i it '. ( 508) 362-8132
POND ( 508) 432-5333
L D CUS
o . I0 20 40
MA P
JOB."NO. 98 044 FIELD, CFW/EEK J_CALC: SAHICFiy CHECK.. CFW DRNr ;5AH
t_
..-.0 ..: .......'.s .. ..� ... ..... ,. r,.. ..:.,. :` �.. ..::.: ....... ._,... .. .. ,.a. ..., ..n. rv.r.;.. .. .... e....w.� t.... ... ... r .. - .. v. s.. ... _ : v. .. .. .... ��. P`• ..... y.. � ,.. ... .. .-� ., ... sa ... ..... .. . -. .. .. .. .r ... _.. v... �.r ..s r .. �....�., .. ... .. ...v_ .. _.._.., ... .. f.,w., a.a.<.',.3.....v..a.,.......r.+�.............. ..a:..0 ..,.i....tcv_-.+..