HomeMy WebLinkAbout230 Great Western Road Site and Sewage PlanLOCUS
7
cps„
dpN
'Qd
g IL
$1G48�
LOCATION MAP
LOT 14
30,000 ± S.F.
(0.69 -47-AC)
N ASSESSORS MAP. 81
PARCEL: C 14
CURRENT ZONING: R-20 (1977 SUBDIVISION)
BUILDING SETBACKS:
F: 30' S: 20' R: 20'
FLOOD ZONE: -C
3 PRECAST 500 GALLON CHAMBERS8S x 4B' s 2' DEEPJ
WITH X OF STONE ALL AROUND. 31S x 10.8'x 2 DEN)
(4' PVC PIPE TO BE USED BETWEEN CHAMBERS)
AS
` co
g
gp ' 32 .
_ ........
36- - - .• ' 98 9 Z gE9�
0
m
.o
BENCHMARK AT t O. i /
CONCRETE BOUND
ELEVATION = 432
�i 3g 2
o S�PAVE g� A�
'1a
GUY POLE
k'1 3 1
0
KEY.
EXISTING CONTOUR: - - - -
PROPOSED CONTOUR: ..............................
EXISTING SPOT ELEVATION: 25.5
PROPOSED SPOT ELEVATION: 25
TEST HOLE:4
UTILITY POLE: -O
FENCE LINE: -
HYDRANT: -6
RETAINING WALL:
DM # 98-156 D30F�
- - ' gb
- - 0
sg p
gg.
/ / go AD
MI
TEST HOLE LOGS
NOTES:
1. VERTICAL DATUM. FROM QUAD (NGVD +/-)
ENGINEER: THOMAS McLELLAN, P.E.
_ASSUMED
2. MUNICAPAL WATER IS AVAILABLE.
WITNESS: AMY VON HONE, R.S.
3. SCHEDULE 40 - 4" PVC PIPE TO BE USED THROUGHOUT SEPTIC SYSTEM.
DATE: 10-8-98
4. ALL PRECAST UNITS TO CONFORM WITH AASHTO H-10
PERCOLATION RATE:
< 2 MIN/IN
LOADING SPECIFICATIONS.
5. PIPE PITCH= 1/4" PER FOOT, (UNLESS NOTED OTHERWISE).
TH-1
34.0
TH-2
as.0
6. FIRST 2' OF PIPE OUT OF D -BOX TO BE SET LEVEL.
0/A/E HORIZON
LO SAND
ELEV.
o/A/E HORIZON
ELEV.
7. THE SEPTIC SYSTEM HAS NOT BEEN DESIGNED TO ACCOMODATE THE
Y
tOYR 3/2
83,4
ff
LO SAND
1OYR 3/2
USE OF A GARBAGE DISPOSAL.
351
8. ALL CONSTRUCTION DETAILS ARE TO BE IN CONFORMANCE WITH THE
B HORIZON
LOAMY SAND
B HORIZON
LOAMY SAND
STATE OF MASS. ENVIRONMENTAL CODE TITLE FIVE AND LOCAL
( )
36'
fOYR 5/8
silo
s0"
IOYR 5/8
38B
HEALTH REGULATIONS.
C HORIZON
C HORIZON
9. CONTRACTOR TO VERIFY LOCATIONS OF ALL UTILITIES PRIOR
AfE2.5Y 14 SAND
MEDIUM.4 SAND
TO CONSTRUCTION.
10. GROUND COYER OVER ALL SEPTIC SYSTEM COMPONENTS NOT TO
EXCEED 3.0.
120•
NO GROUNDWATER ENCOUNTERED
(NO GROUNDWATER ENCOUNTERED
ON LOT 11 AT ELEVATION - 12.0)
SEPTIC SYSTEM DESIGN
FLOW ESTIMATE:
� BEDROOMS AT 110 CAL/DAY/BEDROOM = 330 GAL/DAY
SEPTIC TANK:
330 GAL/DAY x 2 DAYS = 660 GAL
USE 1500 GALLON SEPTIC TANK
LEACHING AREA:
USE 3 PRECAST 500 GALLON CHAMBERS (8.5' x 4.8' x 2' DEEP)
WITH 3' OF STONE ALL AROUND. (31.5' x 10.8' x 2' DEEP)
SIDE AREA 142.3') 2 x 2 = 169 SF (.74) = 125 GAL/DAY
BOTTOM AREA: 31.5'x 10.8'= 340 SF (.74) = 252 GAL/DAY
CAPACITY = 377 CAL/DAY
SEPTIC SYSTEM SECTION
COVERS WITHIN 12' OF
40.0 FINISHED GRADE
TOP OF FOUNDATION (ONE COVER WITHIN C
OF FINISHED GRADE
77 77 77
30.75 1500 GAL
ELEV. SEPTIC TANK
31.0 (6" OF STONE UNDER OR
ELEV. MECHANICALLY COMPACTED)
(UNDER SLAB)
TEE SIZES:
INLET: 6" UP, 13" DOWN
OUTLET: 6" UP, 14" DOWN
DEMAREST-McLELLAN ENGINEERING
24 SCHOOL STREET PO. BOX 463
WEST DENNIS, MASSACHUSETTS 02670
PHONE # FAX : (508) 398-7710
90M�joxim
WALK -OUT
DECK60,
PROPOSED
24' 3 BEDROOM
DWELLING 26'
GAR.
14' 16' 19.51 10.51
PROPOSED DWELLING
2" PEASTONE
3/4" -1 V2 -
WASHED STONE
ELEV. 29.0
30.5 L
ELEV.ZL30.17
D -BOX ELEV. 2g 2 E-� e e. 262
E-> ELEV.
30.34 (6" OF V. 3' 3'
ELEV. STONE E 31.5'
UNDER) USE 3 PRECAST 500 GALLON CHAMBERS (8.5' x 4.8' x 2' DEEP)
GAS BAFFLE WITH X OF STONE ALL AROUND. (31.5'x 10.8' x Z DEEP)
AT OUTLET TEE (4" PVC PIPE TO BE USED BETWEEN CHAMBERS)
DATE:
a3
THOMAS MCLELLAN, P.E. �j JOHN Z. DEMAREST JR.,
SITE AND SEWAGE PLAN
LOCATION.'
230 GREAT WESTERN ROAD
SOUTH YARMOUTH, MA
PREPARED FOR -
REEF REALTY
SCALE: 1" = 30' DATE: 10/29/98
REFERENCE: PLAN BOOK 395 PACE 50