HomeMy WebLinkAboutEngineer PlanACCESS COVERS MUST BE WITHIN 9' MINIMUM.
6' OF FINISH GRADE 3' MAXIMUM COVER
1/0.82 FIRST 2' TO
BE� LEVEL MIN 2' OF PEASTONE
,DIdU A/OC �F-�i
' 3/4' - I I/2' DIA.
0
04.82 104.2± 103 :f]
DOUBLE WASHED STONE
04.5± 103.7�0
o /p2 9 0 /00.9
OUTLET 2-500 GAL LEACHING CHAMBERS
1000 GAL -BOX W/4' STONE AROUND. 12.8'F x 25'1 x 2'd
SEPTIC TANK
lFXiST1NGl 6' CRUSHFn .STONF nR
LOCUS -
LOCUS MAP
INVERT ELEVATIONS:
INVERT AT BUILDING:
104.82
INVERT /N SEPTIC TANK:
104.51
INVERT OUT SEPTIC TANK:
104.2±
INVERT IN DIST. BOX:
103.67
INVERT OUT DIST. BOX:
103.5
INVERT IN LEACH CHAMBER:
102.9
BOTTOM OF LEACH CHAMBER:
100.9
ADJUSTED GROUND WA TER :
N/A
OBSERVED GROUND WATER:
N/A
BOTTOM OF TEST HOLE #1:
95.9
N
DESIGN CRITERIA:
DESIGN FLOW:
3 BEDROOMS AT 1/0 G.P.D. PER
BEDROOM EOUALS 330 G.P.D.
NO GARBAGE GRINDER
SEPTIC TANK REQUIRED:
330 G.P.D. X 200V - 660 GAL.
SEPTIC TANK PROVIDED: 1000 GAL EXISTING
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. REOUIRED
PROVIDED: 2-500 GAL LEACHING CHAMBERS
W/4' STONE AROUND. A-471 S.F.
471 S.F. x 0.74 - 348 G.P.D.
SOIL TEST PIT DA TA
INDICATES v_ INDICATES
PERCOLATION OBSERVED
TEST GROUNDWA TER
GENERAL NOTES.
I. THIS PLAN IS FOR THE DESIGN AND CONSTRUCTION
OF THE SEWAGE DISPOSAL SYSTEM ONLY.
2. VERTICAL DATUM /S ASSUMED. FOR BENCH MARKS
SET. SEE SITE PLAN.
J. ALL CONSTRUCTION METHODS AND MATERIALS AND
MAINTENANCE OF THE SEPTIC SYSTEM SHALL
CONFORM TO MASS. D.E.P. TITLE 5 AND LOCAL
BOARD OF HEALTH REGULATIONS.
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. D-BOX SHALL
BE WATER TESTED FOR LEVEL WHEN THERE IS MORE
THAN ONE OUTLET.
7. BEFORE CONSTRUCTION CALL 'DIG -SAFE-
TP fl
.
1 -888-DIG-SAFE AND THE LOCAL WATER DEPT.
HORIZON
TEXTURE
COLOR
FOR LOCATION OF UNDERGROUND UTILITIES.
0''
106.9
FILL
8. EXISTING LEACH PIT TO BE PUMPED DRY AND.
10
106.1
BACKFILLEO.
A
LOAMY
IOYR
SAND
2/2
9. EXISTING SEPTIC TANK TO BE INSPECTED FOR THE
14 '
.... •.....................................
105.7
CONDITION OF THE TEES/BAFFLES. REPLACE IF
B
LOAMY
IOYR
NECESSARY.
SAND
3/6
24 '
......................................1...
104.9
C I
MEDIUM
2.5Y
SAND
6/6
42`
112
132 ' NO WATER 95.9
DATE: OCTOBER 17. 2002
TEST BY: STEPHEN HAAS
WITNESSED BY: AMY VONHONE
PERC RA TE: C 2 MIN/INCH
%4 `z AI
SEPTIC SYSTEM LEES/G/V
36 L 0/VOFEL L OW DR / VE. MAP / S / PARCEL 7-5. /
PRE -PA RED FOR : 0 Eit 4 4 2 C 32
E S THE P S C O T 7- 1_ - _r""jh' "
P 0. BOX .2-5. YARMOCJTHPOR T. MA 02675
SCALE : / " - 20 ' OCTOBE-R 00. 2002
E A G L E SURVEY I NO , I NC
923 Route 6A
Ya rm(=>u t h p o r t MA 02675
ram/ jj;l��/lip (508) 362-8 1 32
C508-) 432-5333
0 10 20 40 JOB N0: 02- I l2 FIELD: OLS CALC: SAH CHECK: CF9' OR,N: SAH