HomeMy WebLinkAboutEngineered Plan - 2020Q'
LOCUS
AP
G N
/) 4
I
LOT 2 (102 452 SF)
ASSESSORS MAP: 30 PARCEL: 28
PLAN BOOK: 333, PAGE: 81
M19-71
KEY:
EXISTING CONTOUR: - - - -
PROPOSED CONTOUR: .............
EXISTING SPOT ELEVATION: 25.5
PROPOSED SPOT ELEVATION: 25.5
TEST HOLE: *
UTILITY POLE: -O-
FENCE LINE:
HYDRANT:
RETAINING WALL:
/ f ,r99
Permit valid for REPAIR OF SEPTIC SYSTE71
ONLY, due to State and Local septic variances.
Board of Ilealth review and approval is required for.
any future additions/renovations/alterations to
sewage facilities and/or structures/dwelling.
Yarm ith Health Department
APPROVED
31.0' _
................."
LEACH AREA DETAIL
SEPTIC SYSTEM DESIGN
FLOW ESTIMATE:
3 BEDROOMS AT 330 GAL / DAY / BEDROOM = 330 GAL / DAY
SEPTIC TANK:
330 GAL / DAY x 2 DAYS = 660 GAL
USE 1500 GALLON SEPTIC TANK
LEACHING AREA:
USE 2 -LEACH TRENCHES (31'x Tx 2' EFF. DEPTH)
SIDE AREA: (31'+ 3') x 2 x 2 = 136 SF (0.74) = 101 GAL/DAY
BOTTOM AREA: 31'x 3'= 93 SF (0.74) =&9 GAL/DAY
CAPACITY = 170 GAL/DAY
x 2 TRENCHES = 340 GAL/DAY
SEPTIC SYSTEM SECTION
102.7 OF f
° FOUNDATIONF 17 '
100.7 & 100.0 100.57
ELEV.
(2 PIPES) °
99.4
ELEV.
94.9 1500 GAL
ELEV. SEPTIC TANK
PLUMBING CHANGE TO BE 6" OF STONE UNDER OR
CONFIRMED PRIOR TO ECHANICALLY COMPACTED)
CONSTRUCTION. TEE SIZES:
INLET: 6" UP, 13" DOWN
OUTLET: 6" UP, 14" DOWN
REQUIRED VARIANCES FROM TITLE FIVE:
1. SECTION 15,211 (1): LEACH AREA TO BE LESS THAN 20' FROM CELLAR WALL (VARIANCE OF 4').
2. SECTION 15.211 (1): LEACH AREA TO BE LESS THAN 10' FROM LOT LINE (VARIANCE OF 2'),
99
1
BENCHMARK AT
LEFT CORNER OF
BOTTOM BRICK STEP
ELEVATION = 102.14
LIVING
ROOM
EXISTING FLOOR PLAN
T MAX.
1/8" per ft COVER
(1' MIN)
l.15 X.1. Tr 1/8" per ft 211
D -BOX F -L -'v.
�6" OF STONE UNDER OR
M CHANICALLY COMPACTED)
(H-20) ,
-GAS BAFFLE
AT OUTLET TEE
2" PEASTONE OR FILTER FABRIC
- 3/4" - 1 1/2" DOUBLE
WASHED STONE
INSPECTION PORT
r- ELEV.= 99.0
/LA6- 2j 96,5
ELEV.
E-'
31'x 3'
2 - LEACH TRENCHES 5'
PERF(31'x Tx 2' EFFECTIVE DEPTH
ORATED PIPE SET AT 1/16" PER FT,
ADJUSTED GROUND WATER ELEVATION = 91.5 %.A. v
a
NOTES:
1. VERTICAL DATUM: ASSUMED
2. MUNICAPAL WATER IS AVAILABLE.
3. SCHEDULE 40 - 4 PVC PIPE TO BE USED THROUGHOU1p;SEPTIC SYSTEM,
4. ALL PRECAST UNITS SUBJECT TO TRAFFIC LOADS TO C ONFORM WITH AASHTO H-20 SPECIFICATIONS.
I
5. PIPE PITCH = 1/4" PER FOOT (UNLESS NOTED OTHERV ISE).
6. FIRST 2' OF PIPE OUT OF D -BOX TO BE SET LEVEL.
7. THE SEPTIC SYSTEM HAS NOT BEEN DESIGNED TO AC( OMODATE THE USE OF A GARBAGE DISPOSAL.
11
B. ALL CONSTRUCTION DETAILS ARE TO BE IN CONFORM) NCE WITH THE STATE OF MASS. ENVIRONMENTAL
CODE (TITLE FIVE) AND LOCAL HEALTH REGULATIONS.,
9. CONTRACTOR TO VERIFY LOCATIONS OF ALL UTILITIES PRIOR TO CONSTRUCTION.
10. GROUND COVER OVER ALL SEPTIC SYSTEM COMPON `:NTS NOT TO EXCEED T WITHOUT VARIANCE.
11. FIELD SURVEY PROVIDED BY TERRY A. WARNER, P.L.;k., HARWICH, MA.
P
12. THIS PLAN REQUIRES THE REVIEW AND APPROVAL OF ONE OR MORE TOWN DEPARTMENTS AND
IS SUBJECT TO CHANGE UNTIL SUCH TIME. THIS PLAP HAS BEEN PREPARED FOR THE SOLE
PURPOSE OF CONSTRUCTION OF A NEW SEPTIC SYSI EM AND DOES NOT NECESSARILY
REPRESENT A FULL DETAILED PROPERTY SURVEY.
13. EXISTING CESS POOLS ARE TO BE PUMPED AND FILLE D WITH SAND OR REMOVED,
14. D -BOX TO BE WATER TESTED TO ENSURE LEVELNESSANDEQUAL FLOW.
or
THOMAS
McLELIAN
v CIV(,". ti
\� No. 30471
/STE4���.�
THOMAS J. McLELL N, P.E.
SITE PLAN
LOCATION:
10 STAN DISH WAY, W. YARMOUTH, MA
PREPARED FOR:
WI LLIAM HENDRICKSON
TE: 1-10-20 SCALE: P'= 20'�)
Y
BAS: > RIVER ENGINEERING
P.O. BitX 1163, EAST DENNIS, MA 02641
1; 508-364-9048
TH-1
101.0
TEST HOLE LOGS
ELEV.
0/A HORIZON
ENGINEER: THOMAS McLELLAN, P.E.LOAMY
SAND
1 g.
10YR 4/1
99,5
WITNESS: BRUCE MURPHY, R.S.
B HORIZON
DATE: 1-2-20
LOAMY SAND
PES ---RC AT 38'
45"
10YR 518
PERCOLATION RATE: < 2 MIN/IN
C HORIZON
FINE -MED SAND
2.5Y 7/4
USGS GROUND WATER ADJUSTMENT:
1 22"
OBSERVED
90.8
WELL: MIW-29, ZONE: A, ADJ.: 0.7'
ADJUSTED GROUND WATER ELEV.= 91.5
',26,,
GROUNDWATER
90.5
NOTES:
1. VERTICAL DATUM: ASSUMED
2. MUNICAPAL WATER IS AVAILABLE.
3. SCHEDULE 40 - 4 PVC PIPE TO BE USED THROUGHOU1p;SEPTIC SYSTEM,
4. ALL PRECAST UNITS SUBJECT TO TRAFFIC LOADS TO C ONFORM WITH AASHTO H-20 SPECIFICATIONS.
I
5. PIPE PITCH = 1/4" PER FOOT (UNLESS NOTED OTHERV ISE).
6. FIRST 2' OF PIPE OUT OF D -BOX TO BE SET LEVEL.
7. THE SEPTIC SYSTEM HAS NOT BEEN DESIGNED TO AC( OMODATE THE USE OF A GARBAGE DISPOSAL.
11
B. ALL CONSTRUCTION DETAILS ARE TO BE IN CONFORM) NCE WITH THE STATE OF MASS. ENVIRONMENTAL
CODE (TITLE FIVE) AND LOCAL HEALTH REGULATIONS.,
9. CONTRACTOR TO VERIFY LOCATIONS OF ALL UTILITIES PRIOR TO CONSTRUCTION.
10. GROUND COVER OVER ALL SEPTIC SYSTEM COMPON `:NTS NOT TO EXCEED T WITHOUT VARIANCE.
11. FIELD SURVEY PROVIDED BY TERRY A. WARNER, P.L.;k., HARWICH, MA.
P
12. THIS PLAN REQUIRES THE REVIEW AND APPROVAL OF ONE OR MORE TOWN DEPARTMENTS AND
IS SUBJECT TO CHANGE UNTIL SUCH TIME. THIS PLAP HAS BEEN PREPARED FOR THE SOLE
PURPOSE OF CONSTRUCTION OF A NEW SEPTIC SYSI EM AND DOES NOT NECESSARILY
REPRESENT A FULL DETAILED PROPERTY SURVEY.
13. EXISTING CESS POOLS ARE TO BE PUMPED AND FILLE D WITH SAND OR REMOVED,
14. D -BOX TO BE WATER TESTED TO ENSURE LEVELNESSANDEQUAL FLOW.
or
THOMAS
McLELIAN
v CIV(,". ti
\� No. 30471
/STE4���.�
THOMAS J. McLELL N, P.E.
SITE PLAN
LOCATION:
10 STAN DISH WAY, W. YARMOUTH, MA
PREPARED FOR:
WI LLIAM HENDRICKSON
TE: 1-10-20 SCALE: P'= 20'�)
Y
BAS: > RIVER ENGINEERING
P.O. BitX 1163, EAST DENNIS, MA 02641
1; 508-364-9048