HomeMy WebLinkAboutEngineered Plan - 2015ACCESS COVERS MUST BE WITHIN INSPECTION 9 " MINIMUM,
6" OF FINISH GRADE PORT 3' MAXIMUM COVER
FIRST 2' TO
�BE LEVEL
CLEAN SAND BACKFILL
99.5 98.5 II- H-20 AROUND AND 2" OVER CHAMBERS
BAFFLE 98.67 5,X 1, 98.42 97.5
6 OUTLET 16 HIGH CAPACITY INFILTRATOR
EXISTING D -BOX CHAMBERS IN BED FORMATION
1500 GAL H-20
SFPTIr TANK ,..,.,.r
INVERT EL E VA T I DNS :
INVERT OUT SEPTIC TANK: 99.5
INVERT IN DIST. BOX:
98.67
INVERT OUT DIST. BOX:
98.5
INVERT IN LEACH CHAMBER:
98.42
BOTTOM OF LEACH CHAMBER:
97.5
ADJUSTED GROUND WATER :
N/A
OBSERVED GROUND WATER:
N/A
BOTTOM OF TEST HOLE */:
90.t
------- - ---
LOCUS MAP 0 r 20 40
40 PROPOSED CONTOUR
DESIGN CRITERIA
DESIGN FLOW:
3 BEDROOMS AT 1/0 G.P.D. PER
BEDROOM EQUALS 330 G.P.D.
NO GARBAGE GRINDER
SEPTIC TANK REQUIRED:
330 G.P.O. X 200% - 660 GAL.
SEPTIC TANK PROVIDED: 1500 GAL. EXISTING
SOIL ABSORPTION SYSTEM REQUIRED:
DESIGN PERC RATE ( 5 M I N/ I NCH
SOIL TEXTURAL CLASS - I
EFFL UENT L OA I NG RA TE - 0.74 GPD/SF
330 GPD / 0.74 GPD/SF - 446 S.F. REQUIRED
PROVIDED: 16 HIGH CAPACITY INFILTRATOR
CHAMBERS. 100'x 4. 73SF/FT - 473 S.F.
473 S.F. x 0.74 - 350 GPD
SOIL TEST PIT DA TA
bm I NO I CA TES INDICATES
PERCOLATION = OBSERVED
TEST = GROUNDWATER
TP 0/
0. HORIZON TEXTURE COLOR /01.8
A LOAMY IOYR
SAND 3/2
9'
--------------------
l0/.0
B LOAMY IOYR
SAND 4/6
24"
--------------------
99.8
C / MED I UM IOYR
SAND 6/6
44 -
140. NO WATER 90.1
GENERA L NOTES :
I. THIS PLAN IS FOR THE DESIGN AND CONSTRUCTION
OF THE SEWAGE DISPOSAL SYSTEM ONLY.
2. VERTICAL DATUM IS ASSUMED. FOR BENCH MARKS
SET. SEES/ TE 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 REGULATIONS.
4. ALL SEPTIC SYSTEM COMPONENTS LOCATED UNDER
AREAS SUBJECT TO VEHICULAR TRAFFIC OR GREATER
THAN J' IN DEPTH SHALL BE CAPABLE OF WI TH-
STANDING H-20 WHEEL LOADS.
5. ALL SEWER PIPE SHALL BE SCHEDULE 40 PVC OR
APPROVED EQUAL.
6. SEPTIC TANK AND D -BOX SHALL BE REINFORCED
PRECAST CONCRETE OR APPROVED POLYETHYLENE.
BOTH SHALL BE WATERTIGHT. D -BOX SHALL BE WATER
TESTED FOR LEVEL WHEN THERE IS MORE THAN ONE
OUTLET.
7. BEFORE CONSTRUCTION CALL "DIG -SAFE'.
1 -888 -DIG -SAFE AND THE LOCAL WATER DEPT.
FOR LOCATION OF UNDERGROUND UTILITIES.
8. EXISTING LEACH PIT TO BE PUMPED DRY AND
BACKFILLED.
9. EXISTING SEPTIC TANK TO BE PUMPED AND CLEANED.
INSPECT AND REPLACE INLET TEE IF REQUIRED.
VERIFY INVERT ELEVATION PRIOR TO CONSTRUCTION.
DATE: DECEMBER 9. 2015
TEST BY: STEPHEN HAAS
WITNESSED BY: PHIL RENAUD
PERC RATE: C 2 MIN/INCH
10F
MASv.s
TERRY a yGs�
Yarmouth Health Department � " WAR ERNo. 38721
P? VED
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Name Date
SEP T I C S YS TEM CIES l ON
40 SW I I= T BROOK ROAD. MAP 07. PARCEL 230
SOUTH YARMOUTH . MA.
PREPARED P'OR
ANGEL A RAM/ RE -,Z
3172 NW 32 n d S TREET T. M l AM 1. EL 33142
SCALE: la 20' DECEMBER 23. 2015
STEPHEN A. HAAS
_ ENGINEERING, INC
R. O. B o x 16
South Dennis, MA 02660
(SOB) 362-8132
JOB NO: 15-065 '