HomeMy WebLinkAbout12 Eider Street - Site & Sewage PlanLOCUS --\,
FOLLINS
POND
LOCATION MAP
LOT 40
9,899 ± S.F.
(0.23 ± AC.)
ep
N ASSESSORS MAP. 123
PARCEL, • N-40
CURRENT ZONING: R-40 (1960 SUBDIVISION)
BUILDING SETBACKS:
F: 30' S: 6' R: 20'
FLOOD ZONE: C
BENCHMARK AT
CONCRETE BOUND
ELEVATION - 15D
14.
28 80s2 34
KEY: r
EXISTING CONTOUR: - - - -
PROPOSED CONTOUR. ......••.......••••••........•
EXISTING SPOT ELEVATION: 25.5
PROPOSED SPOT ELEVATION: 25
TEST HOLE.
UTILITY POLE: -0-
FENCE LINE: -••-••-••-
HYDRANT: -}
RETAINING WALL.
TREE:
DM
DEMAREST-McLELLAN ENGINEERING
24 SCHOOL STREET PA. BOX 463
WEST DENNIS, MASSACHUSETTS 02670
PHONE k FAX : (508) 398-7710
DM # SB---fD28F29B)
TEST HOLE LOGS
ENGINEER: THOMAS McLELLAN, P.E.
WITNESS: AMY VON HONE, R.S.
DATE: 5-7-98
PERCOLATION RATE: < 2 MIN/IN
TH-1 TH-2
6"
/AAMPOSAND
�
10YR 2/1
ELEV.
23.5
B HORIZON
LOAMY SAND
SO•
10YR 6/8
ZfS.
C HORIZON
MEDIUM SAND
2SY 7/4
f4D
120'
RETAINING WALL
4 H
T 22.0
T • III=III=III LE --BEV
I� 4 MIL POLY
65 4.0' �- ASPHALTIC
SEALING
18.0
ELEV VIII=III •. � REINFORCING STEEL-
(D:
:4*a#4
#4 O 18" o/c
ELEV /4 O 12' o/c
s
PROPOSED CONCRETE RETAINING WALL
(AROUND SEPTIC SYSTEM)
B HORIZON
LOAMY SAND
30• 10YR 6/8 19s
C HORIZON
MEDIUM SAND
25Y 7/4
los' 1 1 MO
USCS GROUNDWATER ADJUSTMENT:
YELL: AfW-247, ZONE: B, ADJUSTMENT. Of
12.0
NOTES:
I. 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
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 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. ALL UNSUITABLE SOIL (A & B HORIZONS ) WITHIN 5' OF PROPOSED
LEACH AREA IS TO BE REMOVED AND REPLACED WITH CLEAN MEDIUM SAND.
12. D -BOX TO BE WATER TESTED TO ENSURE LEVELNESS AND EQUAL FLOW.
13. ALL SLOPES ARE TO BE STABILIZED WITH VEGETATION UPON COMPLETION
OF CONSTRUCTION.
14. DESIGN ENGINEER TO PERFORM THE FOLLOWING INSPECTIONS: 1. STAKE
LOCATION OF CONCRETE RETAINING WALL. 2. INSPECT FOOTING LOCATIONS
SEPTIC SYSTEM DESIGNAND REBAR PRIOR TO POURING WALL. S. INSPECT WALL HEIGHT AND
LOCATION. ENGINEER TO PROVIDE CERTIFICATION OFF ABOVE TO HEALTH
DEPARTMENT.
FLOW ESTIMATE:
3 BEDROOMS AT 110 GAL/DAY/BEDROOM = 330 GAL/DAY
SEPTIC TANK.
330 GAL/DAY x 2 DAYS = 660 CAL
USE 1500 GALLON SEPTIC TANK
LEACHING AREA:
USE 2 LEACH TRENCHES (33' x 2.5'x 2' DEEP)
SIDE AREA: (33 + 2.5)2 x 2 = 142 SF (.74) = 105 GAL/DAY
;OTTOM AREA: 33' x 2.5' = 82.5 SF (74) = 6Y CAL/DAY
TRENCH CAPACITY = 166 GAL/DAY
x 2 TRENCHES = 332 GAL/DAY
SEPTIC SYSTEM SECTION
COVERS WITHIN 12" OF
32.5 FINISHED GRADE
VNE COVER WITHIN 6"
TOP OF FOUNDATION FINISHED GRADE)
22.08 PUN�DEROR
ELEV.
(6" OF STONE
22'3 MECHANICALLY COMPACTED)
ELEV.
(UNDER BASEMENT) TEE SIZES:
INLET. 6" UP, 13" DOWN
OUTLET: 6" UP, 14" DOWN
APPRVED BY:
14'
,'1Yry
THOMAS McLELLAN, P.E.
PROPOSED
q 3 BEDROOM
DWELLING 25-70
25 Y
GARAGE (UNDER)
DECK 4'
ZWALK-OUT (ENTIRE FRONT OF HOUSE)
PROPOSED DWELLING
2" PEASTONE
3/4" - 1 1/2"
WASHED STONE
4" PERFORATED
PVC PIPE
i- ELEV: 21.8
21.83 ---------------
ELEV. -BOX 2' 19.1
21.46 ELEV.
21.63 (6" OF ELEV. f SIT
ELEV. STONE TWO LEACH TRENCHES 5'
UNDER) 21"26 (33' x 2.5'x 2' DEEP)
GAS BAFFLE ELEV. (MIN SPACING BE77IEEN TRENCHES = 79)
AT OUTLET TEE
ADJUSTED GROUNDWATER ELEVATION = 141 w
��
DATE:
Z. DEMAREST JR.,
SITE AND SEWAGE PLAN
LOCATION.
•
LOT 40 EIDER STREET
YARMOUTHPORT, MA.
PREPARED FOR --
CHARLES MITCHELL
SCALE: 1"= 20' DATE. 6-9-98
REFERENCE: PLAN BOOK 153 PAGE 39
REVISED: 6-29-98