HomeMy WebLinkAbout14 Wisteria Road Site and Sewage PlanASSESSORS MAP: 22 PARCEL: 190
CURRENT ZONING: R-25
MINIMUM BUILDING SETBACKS:
FRONT: 30' SIDE; 15' REAR: 20'
ALLOWABLE BUILDING COVERAGE: 25
2197 SF 18,800 SF=24.9%
FLOOD 'ZONE: B
LOCATION MAP
LOT 4 (8,800 SF)
BFNCHMARK AT
HYDRANT T'AG BOLT
11 #2004 ELE V = 12.42'
�1
l j
L
12
1
.r.
`C
s.
1100
40 MIL POLY LINER
60' x 2' DEEP
TOP OF LINER = 10.8
KEY:
EXISTING CONTOUR: - - -
PROPOSED CONTOUR: •.....................
EXISTING SPOT ELEVATION: 25.5
PROPOSED SPOT ELEVATION: 25.5
TEST HOLE: -1�-
UTILITY POLE: -`i-
FENCE LINE: - - -
HYDRANT:
RETAINING WALL:
DM# 04-20
110. EXISTING
Jj DWELLING
-11
EDGE OF DRIVE
10.2
TE ST HOEE EGGS
ENGINEER: THOMAS McLELLAN, P.E.
RTTNESS: DAVID FLAHERTY, R.S.
DATE: 4-28-04 - -
PERCOLAT•ION RATE: < 2 MIN / INCH
TIM 12.0 TH-2.
ELEV.
O/A HODUON
LOAMY SAND
9" IOYR 3/2
B HORIZON
LOAMYSkND
33" IOYR 5!8
C HORIZON
MEDIUM SAND
111" 2.5Y 7r4
11.2 10'j
O/A HORIZON
LOzMMY SAND
IOYR 3/2
B HORIZON
LOAMY SAND
10YR 5/8
9.2 34"
C HORIZON
MEDIUM SAND
2.7 104"
I 2.5Y 7A
OBSERVED
11.5
ELEV.
7
7
2.8
IL'ND liVATER i2.0 120" GROUNDWATER 1.5
USGS GROUND WATER ADJUSTMENT:
«.YELL MIW-29, ZONE B. ADJUSTMENT 2.1'
ZON".:, A ADJUSTMENT: 1.4'
ADJUSTED GROUND WATER ELEVATION = 4.2
SEPTIC SYSTEM DESIGN
FLOW _ESTIMATF:
3 _ BEDROOMS AT 110 GAL / DAY = 330 GAL / DAY
SERFiC' TANK:
33Q--. GAL / DAY x 2 DAYS = 660 GAL
EXISTING SHED USE 1500 GALLON SEPTIC TANK
TO BE REMOVED
LEACRING AREA:
USE 3 FLOWDIFFUSORS WITH 4' OF STONE AROUND
SiD::e AND " = ?T F'>;DS (31 x 12x 1',_.DEEP)
PO♦,0l'%lArFA: 3ni C _ -i (074)=275GAI,,.4 i•
\ CAPACITY = 339 GAL/DAY"
(RESERVE AREA: 4 FLOWDIFFUSORS WITH 3' OF STONE AROUND
� 2 '.IDES AND TAT ENDS, CAPACITY = 334 GAL/DAY)
SElUtTIC SYSTEM SECTION
14."s
j -j TOP OF FOUN'DATIO`
I
7777
77
ELEV.
11.02 1501 GAL
ELEV. SEPTIC TANK
(6" OF STONE UNDER OR
MECHANICALLY COMPACTED)
TEE SIZES:
INLET: 6" UP, 13" DOWN
OUTLET: 6" UP, 14" DOWN
DEMAREST - McLELLAN ENGINEERING
24 SCHOOL STREET, P.O. BOX 463
WEST DENNIS, NIA 02670
PHONE & FAX: (508) 398-7710
BY:
i'.
I 3 i
ii
z-
0
/ Jr
THOMAS McLELLAN, P.E.
NOTES:
L 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 SUBJECT TO TRAFFIC LOADS TO CONFORM WITH
AASHTO 11-20 LOADING SPECIFICATIONS.
5. PIPE PITCH = 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 Or 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 COMPONENT'S NOT TO
EXCEED 3'.
11. D -BOX TO BE WATER TESTED TO ENSURE LEVELNESS AND EQUAL FLOW.
12. ALL L'NSUSTABI.E SOIL B HORIXON, APPROX. 34" DEEP) RTPHiN 5' OF
PROPOSED LEACH AREA IS TO BE REMOVED AND REPLACED WITH
CLEAN MEDIUM SAND.
COVERS WITHIN 12" OF
FINISED GRADE
(ONE INSPECTION COVER
TO BE WITHIN 6" OF GRADE)
c1�
1 PORCH
t--
27 PROPOSED 20
3BEDROOM
DWELLING
1 7'
12' 2,
i
V2'
i GARAGE I
24
PROPOSED DWELLING
1^ nV A VmnMr
TONE
= 10.78
10_77
ELEV. 10.71 t- 10.54 ! o
ELEV. ,
ELEV. o I I ,� _9.28
E� ELEV. x
(6" OF STONE
UNDER" _10.2$ 3 3-- 4
ELEV. E 31' 5.08'
USE 3 FLOWDIFFUSORS WITH 4' OF STONE
GAS BAFFLE AROUND SIDES AND 3.5' AT ENDS
AT OUTLET TEE (31'x 12'x 1' DEEP)
ZONE A ADJUSTED GROUND WATER ELEVATION = 4.2
DATE: