HomeMy WebLinkAbout22 Legend Drive - Site & Septic Plan6 ASSESSORS MAP: 90 1 \
ROUTR PARCEL E_7�
LOCOS N
CURRENT ZONING: R=20 (1966 SUBDIVIS70�
BUILDING SETBACKS:
SACA vft F: 30' S: 20' R' 20'
FLOOD ZONE: C I 1
`Pd
i
I I
LOCATION MAP \/
LOT 74
15,001 ± S.F.
(0.34 ± AC.)
UTILITY
52
sO
52
/
/
50. 7 \51,
icr Ito
°� 52 51
�x A 2x — 50
Dg OS U� -
50. 65.0 / _ 5
M.
49
c 5`,
48
d 49.2� i.. •..
49
C� .. •• �..• � E. LINE
06
' sd ,
47.0
KEY.
EXISTING CONTOUR: — — — —
PROPOSED CONTOUR: ...................••••••.•.••
EXISTING SPOT ELEVATION. 25.5
PROPOSED SPOT ELEVATION: 25
TEST HOLE: -$
UTILITY POLE: -0-
FENCE LINE: —
HYDRANT: -6
RETAINING WALL:
TREE:
DM # 28-208_(D31F14)
BENCHMARK AT
IRON PIPE
ELEVP 472
MR
TEST HOLE LOGS
ENGINEER: DAVID BENNETT, R.S.
WITNESS: AMY VON HONE, R.S.
DATE: 7-8-97
PERCOLATION RATE:
< 2 MIN/IN
TH-1
TH-2
51A
ALE HORIZON ELEV.
A/E HORIZON
SAND
SAND
10YR 5/1 50.7
5" fOYR 5/1
B HORIZON
B HORIZON
LOAMY SAND'
LOAMY SAND
10YR 6/6
49.4
24"
fOYR 6/6
C HORIZON
C HORIZON
MEDIUM SAND
MEDIUM SAND
10YR 7/6
10YR 7/6
NO GROUNDWATER ENCOUNTERED
494
ELEV.
486
474
394
SEPTIC SYSTEM DESIGN
NOTES:
1. VERTICAL DATUM. ASSUMED FROM QUAD (NGVD +/-)
2. MUNICAPAL WATER IS AVAILABLE.
S. SCHEDULE 40 - 4" PVC PIPE TO BE USED THROUGHOUT SEPTIC SYSTEM.
4. ALL PRECAST UNITS TO CONFORM WITH AASHTO H-10 &• H-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
USEOFA 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.
FLOW ESTIMATE:
3 BEDROOMS AT 110 GAL/DAY/BEDROOM = 330 CAL/DAY
SEPTIC TANK.
330 GAL/DAY x 2 DAYS = 660 GAL
USE 1500 GALLON SEPTIC TANK
LEACHING AREA:
USE 3 CULTEC CHAMBERS (RECHARGER 330)
WITH 4' OF STONE ALL AROUND (28' x 12' x 2' DEEP)
SIDE AREA- (28 + 12.3)2 x 2 = 161 (.74) = 119 GAL/DAY
BOTTOM AREA: 28' x 12.3' = 344 SF (74) = 255 CAL/DAY
CAPACITY = 374 GAL/DAY
SEPTIC SYSTEM SECTION
53.0
HTOP OF FOUNDATION
49 5
COVERS WITHIN 12" OF
FINISHED GRADE
ONE INSPECTION COVER
OB WITHIN 6' OF GRADE)
4925 17 j
i
ELEV.
1500 GAL D -BOX 49.0
ELEV. SEPTIC TANK 49.17 (6" OF
ELEV.
50.0 (6" OF STONE UNDER OR ELEV. STONE
ELEV. MECHANICALLY COMPACTED) UNDER)
TEE SIZES: GAS BAFFLE 48'92
INLET. • 6" UP 13" DOWN AT OUTLET TEE ELEV.
68'
PROPOSED
3 BEDROOM
24, DUELLING 26,
GARAGE
24• 4' 2-
6. 10' 1s
PROPOSED DWELLING
DEMAREST-McLELLAN ENGINEERING
24 SCHOOL STREET P.O. BOX 463
WEST DENNIS, MASSACHUSETTS 02670
PHONE d.• FAX : (508) 398-7710
OUTLET: 6" UP, 14" DOWN
zanx�i% - -/ 9—�F,,�F
APP
�RIOVED BY: DATE:
ST'YG`JQNV
f t Z.
�;3 Dn'?AREST JR
THOMAS McLELLAN, P.E. 11 JOHN Z. DEMAREST JR., P.L.S.
2" PEASTONE
3/4" -1 V2 -
WASHED STONE
ELEV,- 49.4
I1 — F:I ZI 46.92
E4' ELEV.
< 28' �m
3 CULTEC CHAMBERS (RECHARGER 330)
WITH 4' OF STONE ALL AROUND
(28'x 12.3'x2' DEEP)
SITE AND SEWAGE PLAN
LOCATION.•
22 LEGEND DRIVE
SOUTH YARMOUTH, MA
PREPARED FOR-
REEF
ORREEF REALTY
SCALE: 1"= 20' DATE: 01112199
REFERENCE: LAND COURT PLAN #32679B SHEET 2