HomeMy WebLinkAboutEngineered Plan - 2018 (2)N
KEY:
EXISTING CONTOUR: - — — -
4
PROPOSED CONTOUR: -------------
LOCUS
EXISTING SPOT ELEVATION: 25.5
PROPOSED SPOT ELEVATION: 25.5
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TEST HOLE: +
UTILITY POLE: -O-
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FENCE LINE: -
HYDRANT:-b-
BUCK
RETAINING WALL:
ISLAND
ROAD
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OCTION MP
LOTS 178, 180,180 A, 81 (21,621 SF)
ASSESSORS MAP: 49 PARCEL: 93.1
DEED BOOK: 16071, PAGE: 37
a:
M18-31
26.64' _
N
LEACH AREA DETAIL
SEPTIC SYSTEM DESIGN
FLOW ESTIMATE:
3 BEDROOMS AT 110 GAL / DAY = 330 GAL / DAY
SEPTIC TANK:
330 GAL / DAY x 2 DAYS = 660 GAL
USE 1500 GALLON SEPTIC TANK (EXISTING)
LEACHING AREA:
USE 3 INFILTRATOR 3050 CHAMBERS WITH 4' OF STONE AROUND
SIDES AND 2' AT ENDS (26.64' x 12.25' x 2' EFFECTIVE DEPTH)
SIDE AREA: (26.64' + 12.25') x 2 x 2 = 156 SF (0.74) = 115 GAL/DAY
BOTTOM AREA: 26.64' x 12.25' = 326 SF (0.74) = 241 GAUDAY
CAPACITY = 356 GAL/DAY
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A=26.79,
BUCK "SLANn �-
SEPTIC SYSTEM SECTION
106.96
a TOP OF
FOUNDATION
103.7
ELEV. Q
(EXISTING) a
102.45
a ELEV.
COVERS WITHIN
OF FINISHED GR
1 /8" per ft
(EXISTING)
1500 GAL
SEPTIC TANK
TEE SIZES: (TO BE CONFIRMED)
INLET: 6" UP, 13 DOWN
OUTLET: 6" UP, 14" DOWN
bath room4
bed
room
open
to
below
2nd floor
bh
bath] kitchen
bed living
room Uroom
1stfloor
I EXISTING FLOOR PLAN I
1/8" per ft . I (1' M
ELEV. 101.93 101.76
ELEV. D-BOX ELEV.
6" STONE UNDER OR
MEC ANICALLY COMPACTED)
- GAS BAFFLE 101.7,
AT OUTLET TEE ELEV
TEST HOLE LOGS
ENGINEER: THOMAS McLELLAN, P.E.
WITNESS: AMY VON HONE, R.S.
DATE: 6-6-18
PERCOLATION RATE: < 2 MIN/IN
USGS GROUND WATER ADJUSTMENT:
WELL: MIW-29, ZONE: A, ADJ. (MAY): 0.4'
ADJUSTED GROUND WATER ELEV.= 93.9
NOTES:
2" PEASTONE OR FILTER FABRIC
3/4" - 1 1/2" DOUBLE
WASHED STONE
-INSPECTION PORT
, ELEV.= 102.22
LC 111°I1°I1°I1°I1°I1°I1°I1°I1°II°II°II°I1°I1°II°I1ICI 99.72
2-4 4 ELEV.
�e 26.64' x 12.25' 5.82'
3 INFILTRATOR 3050 CHAMBERS WITH
4' OF STONE AROUND SIDES AND 2' AT ENDS
(26.64' x 12.25' x 2' EFFECTIVE DEPTH)
ADJUSTED GROUND WATER ELEVATION = 93.9
TH-1 105.0
ELEV
17" FILL
O/A HORIZON
LOAMY SAND
P4,, 10YR 3/1 103.0
B HORIZON
LOAMY AND a PERC AT 36"
36" 10YR 6/8 1 102.0
C HORIZON
MEDIUM SAND
2.5Y 714
OBSERVED
...... A.. ,93.5
GROUND WATER
1. VERTICAL DATUM: ASSUMED
2. MUNICAPAL WATER IS AVAILABLE.
--3,-SCHEDULE 40 - 4" PVC PIPE TO BE USED THROUGHOUT SEPTIC SYSTEM.
4. ALL PRECAST UNITS SUBJECT TO TRAFFIC LOADS TO CONFORM WITH AASHTO H-20 SPECIFICATIONS.
5. PIPE PITCH = 1/8" PER FOOT (UNLESS NOTED OTHERWISE).
6. FIRST 2' OF PIPE OUT OF D-BOX TO BE SET LEVEL.
7. THE SEPTIC SYSTEM HAS NOT BEEN DESIGNED TO ACCOMODATE THE USE OF A GARBAGE DISPOSAL.
8. ALL CONSTRUCTION DETAILS ARE TO BE IN CONFORMANCE 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 COMPONENTS NOT TO EXCEED 3' WITHOUT VARIANCE.
11. FIELD SURVEY PROVIDED BY TERRY A. WARNER, P.L.S., HARWICH, MA.
12. THIS PLAN REQUIRES THE REVIEW AND APPROVAL OF ONE OR MORE TOWN DEPARTMENTS AND
IS SUBJECT TO CHANGE UNTIL SUCH TIME. THIS PLAN HAS BEEN PREPARED FOR THE SOLE
PURPOSE OF CONSTRUCTION OF A NEW SEPTIC SYSTEM AND DOES NOT NECESSARILY
REPRESENT A FULL DETAILED PROPERTY SURVEY.
13. EXISTING LEACH AREA (4 INFILTRATORS WITH STONE 36' x 11') IS TO BE ABANDONED.
TH'OMAS J
SITE PLAN
LOCATION:
6 LAKE RD EAST, W. YARMOUTH, MA
PREPARED FOR:
KIM GOMEZ
DATE: 6-6-18 SCALE: i" = 30'
BASS RIVER ENGINEERING
P.E. P.O. BOX 1163, EAST DENNIS, NIA 02641
508-364-9048