HomeMy WebLinkAbout42 Weir Road Site and Sewage PlanASSESSORS MAP: 124
' 6,q LOCUS PARCEL: 102
CURRENT ZONING: R-40 (1956 SUBDIVISION)
�o BUILDING SETBACKS:
F: 30' S: 6' R: 20'
'ot FLOOD ZONE: C
N
4
LOCATION MAP
LOT 37 (9,566 SF)
BENCHMARK TOP OF
CONCRETE BOUND
ELEV- 20.3
20
1
19. s
0
\ cP
20.
O
d
21.
Op 20. 5
1$ O
pSE�t�
3R$ oL tsy 6�
9'�E'w Z
icy I 2 I S- \
25\
KEY:
EXISTING CONTOUR: - - -
PROPOSED CONTOUR: - - -
EXISTING SPOT ELEVATION: 25.5
PROPOSED SPOT ELEVATION: 25
TEST HOLE:
UTILITY POLE: -a-
FENCE LINE:
HYDRANT: -6-
RETAINING WALL:
TREE:
DUTE��Ef�:
AREST-McLELLAN ENGINEERING
24 SCHOOL STREET P.O. BOX 463
WEST DENNIS, MASSACHUSETTS 02670
PHONE & FAX : (508) 398-7710
DM # -00-18 -
100 Co.
TE ST HOLE LOGS
N ENGINEER: THOMAS McLELLAN, P.E.
WITNESS: AMY VON HONE, R.S.
DATE: 4-13-00
PERCOLATION RATE: < 2 MIN/IN
TH-1 TH-2
21.0
20.5
ELEV.
ELEV.
0/A HOF.IZCN
0/A HORIZON
LOAMY SAND
120S
LOAMY SAND
6"
fOYR 2/2
6-
fOYR 2/2
20.0
B HORIZON
B HORIZON
LOAMY SAND
LOAM}' SAND
14"
fOYP. 5/8
19.8 24'
IOYR 5/8
f85
C HORIZON
C HORIZON
FINE SAND
FINE SAND
2.5Y 7/4
2.5Y 7/4
114•
17S fob•
11.5
OBSERVND
OBSERVED
132•
GROUND FA7EP.
10.0 132•
GROUND WATER
9.5
I
USCS GROUND WATER ADJUSTMENT:
FELL: AfF-247, ZONE: B, ADJUSTMENT: 4.7'
(OBSERVED GR07ND WATER ON ABUTTING LOT AT ELEV.-
12.0)
PROPOSED LINER
(SEE DETAIL)
ELEV. OF FINISHED PROPOSED GRADE = 242
GRADE OVER LINER = 23.7
(TOP OF LINER = 232)
EXISTING ® EXISTING
GRADE GRADE
40 MIL POLY LINER PROPOSED LEACHING AREA
PERMA-GAURD (OR EQUAL) TOP OF PEASTONE ELEV.= 232
(105' x 2') TOP OF LINER ELEV.- 232
SEPTIC SYSTEM LINER AND FILL DETAIL
SEPTIC SYSTEM DESIGN
NOTES:
1. VERTICAL DATUM: ASSUMED FROM QUAD (NGVD +/-)
2. MUNICAPAL WATER IS AVAILABLE.
3. SCHEDULE 40 - 4" PVC PIPE TO BE USED THROUGHOUT SEPTIC SYSTEM.
4. ALL PRECAST UNITS TO CONFORM WITH AASHTO H-10
LOADING SPECIFICATIONS.
5. PIPE PITCH = 1/8" & 1/4" 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 3.0'.
11. D -BOX TO BE WATER TESTED TO ENSURE LEVELNESS AND EQUAL FLOW.
12. ALL UNSUITABLE SOIL (A & B HORIZO, APPROX. 24" DEEP) WITHIN SOF
PROPOSED LEACH AREA IS TO BE REMOVED AND REPLACED WITH
CLEAN MEDIUM SAND.
FLOP ESTIMATE:
-I_ BEDROOMS AT _110 GAL/DAY/BEDROOM = 330 CAL/DAY
SEPTIC TANK:
3°0 GAL/DAY x 2 DAYS = 660 CAL
V3E 1500 GALLON SEPTIC TANK
LEACHING AREA:
USE 3 FLOF'DIFFUSORS WITH 4' OF STONE ALL AROUND
(32' x 12' x 11" DEEP)
SIDE AREA: _(32 + 12)2 x 11/12 = 81 (.74) = 60 GAL/DAY
BOTTOM AREA 32' x 12' = 384 SF (74) = 284 GAL/DAY
CAPACITY =344 GAL/DAY
SEPTIC SYSTEM SECTION
26.0
TOP OF FOUNDATION
V4' p=�'
Z(6"23.3 1500 CAL
ELEV. SEPTIC TANK
23.56
OF STONE UNDER OR
ELEV. MECHANICALLY COMPACTED)
TEE SIZES:
INLET: 6" UP, 13" DOWN
OUTLET: 6" UP, 14" DOWN
COVERS WITHIN 12" OF
FINISHED GRADE
PNE INSPECTION COVER
BE WITHIN 6" OF GRADE)
1/8• PER ,� '
��T 1:;� 1/8_PER
ELEV.
/(6L"
-BOX 22.77
22.94 OF ELEV.
\ ELEV. STONE
UNDER)
GAS BAFFLE
AT OUTLET TEE
ELEV
DECK
28' PROPOSED FUTURE
GARAGE
3 BEDROOM
DWELLING
28'
PROPOSED DWELLING
2" PEASTONE
314--1 1/2"
WASHED STONE
ELEV: 23.2
SII �h:l 21.7
4 > <4 ELEV.
32'
3 FLOWDIFFUSORS WITH 4' OF
STONE ALL AROUND
(32' x 12' x 11" DEEP)
ADJUSTED GROUND WATER ELEV: 16.7
5'
�/ -e o' SITE AND SEWAGE PLAN
APPR VED BY: DATE:
LOCA TION.•
42 WEIR ROAD
Jo44,N °� YARMOUTHPORT, MA
y
Z.
PREPARED FOR:
!- s �ho3E5
< , �,
REEF REALTY
SCALE: 1" = 20' DATE: 5-18-00
REFERENCE: PLAN BOOK 129, PAGE 147
THOMAS McLELLAN, P.E. JOHN Z. DEMAREST JR., P.L.S. I REVISED: 6-27-00