HomeMy WebLinkAboutEngineered Plan - 1996N ASSESSORS MAP: 28
PARCEL: H49
FLOOD ZONE: C
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LOCATION MAP
LOT 49
12,260 ± S.F.
(028 ± AC.)
+s. s 40.6
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�I N 121. 569
BENCHMARK AT
WATER CATE
ELEV. 10.6
t 10' MIN 2r-(20' MIN)
r
N S.T.
1o' i 1
lg- ... 9. 5 MIN ►�
9.3
1
8 9 1 10. 4
INv - / 'y
'CP1 1
BRICK (CRAWL EXISTING W
PATIO SPACE) 3 BEDROOM
Dp/ELLING , o
o 1st FLR - 1
(FULL BASE.)o iy
N G i AS METER �f0. f
7c woww
PAVED DRIVE
10.1
-11 O
IN
GASCATE
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tts
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b
123. 65' c
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\ 9 / 10
4.9 I t9. 9
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:
m
DEMAREST-McLELLAN ENGINEERING
24 SCHOOL STREET P.O. BOX 463
HEST DENNIS, MASSACHUSETTS 02670
PHONE & FAX : (508) 398-7710
DM # 96_077 (D19F15)
TEST HOLE LOGS
ENGINEER: THOMAS McLELLAN, P.E.
WITNESS: AMY VON HONE, R.S.
DATE: 6-13-96
PERCOLATION RATE: < 2 MIN/IN
TH-1 TH-2
9.4
A/E HORIZON ` ELEV.
LOAMY SAND
f0" 10YR 2/1 8B
B HORIZON
LOAMY SAND
20" fOYR 4/6 7.7
C HORIZON
MEDIUM SAND
z.5Y 6/8
NOTES:
1. VERTICAL DATUM. ASSUMED FROM QUAD (NGVD +f-1
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" 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
72" 3.4
EXCEED 3.0'.
78" 2 11. EXISTING CESS POOLS TO BE PUMPED AND FILLED WITH SAND
OR REMOVED.
12. ALL UNSUITABLE SOIL (A & B HORIZON) WITHIN 5' OF LEACHING AREA
USCS GROUNDWATER ADJUSTMENT: TO BE REMOVED AND REPLACED WITH CLEAN MEDIUM SAND.
WELL. Mrw-zs, ZONE: A. ADJUSTMENT (8 OUT OF 10 YR HIGH): or 13. D-BOX TO BE WATER TESTED .TO ENSURE LEVELNESS AND EQUAL FLOW.
SEPTIC SYSTEM DESIGN
FLOW ESTIMATE:.
3 BEDROOMS AT 110 GAL/DAY/BEDROOM = 330 GAL/DAY
SEPTIC TANK.
330 GAL/DAY x 2 DAYS = 660 GAL
USE 1500 GALLON SEPTIC TANK
LEACHING AREA:
USE ONE LEACH FIELD (22' x 219
SIDE AREA.' NA (.74) = GAL/DAY
zr
z' BETWEEN
PIPE AND EDGE
OF. FIELD
22'
6' BETWEEN
PIPES
BOTTOM AREA: 22' x 21' = 462 SF (.74) = 342 GAL/DAY
_.,T_OT_AL-CAPAG'ITY_-= 342 GAL/DAY
SEPTIC SYSTEM SECTION 2" PEASTONE
3 f 4" - 1 1/2"
COVERS WITHIN 12" OF
FINISHED GRADE WASHED STONE
12.5 ONE INSPECTION COVER
FIRST FLOOR fro BE 1�ITHIN 6" OF GRADE) �v� 4" PERFORATED
Ir F PVC PIPE
(EXISTING
ELEV. 8.9
TO BE RAISED 0.6'),
REQUIRED TITLE FIVE VARIANCES
1. SECTION 15.212: LEACHING AREA TO BE 4.17 ABOVE
ADJUSTED GROUNDWATER.
2. SECTION. 15.240 (9): 6" OF COVER OVER LEACH FIELD.
(SYSTEM HAS BEEN DEIGNED TO MAXIMUM FEASIBLE COMPLIANCE)
�- ELEV. 9.1
91 8.1
925 1500 GAL ELEV. ID -BOX 885 21' ELEV.
ELEV. SEPTIC TANK 902 (6" OF ELEV.
(6" OF STONE UNDER OR ELEV. STONE ONE LEACH FIELD
MECHANICALLY COMPACTED) UNDER) 8.7 (22' x 21' x 6" DEEP)
GAS BAFFLE AT ELEV.
TEE SIZES: OUTLET TEE
INLET: 6" UP, 13" DOWN ADJUSTED GROUNDWATER ELEV.= 4.1 �w
OUTLET: 6" UP, 14" DOWN
AP ROVED BY: DATE:
JOHN
Z.
�CiV4L
4'
THOMAS McLELLAN, P.E. JOHN Z. IJIMAREST
SITE AND SEWAGE PLAN
LOCATION
15 NANTUCKET ROAD
SOUTH YARMOUTH
PREPARED FOR-
A.B. CANCO f W I LLI AM T ELFORD
SCALE: 1" = 20' DATE: 7-8-96
REFERENCE: PLAN BOOK 97 PAGE 57
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