HomeMy WebLinkAboutEngineered Plan - 2000LOCATION MAP
LOT 19
8,500 ± S.F.
(0.20 ± AC.)
ASSESSORS MAP: 50
PARCEL. 78
FLOOD ZONE: C
REQUIRED VARIANCES FROM TITLE FIVE:
1. SECTION 15.211 (1): LEACH AREA TO BE LESS THAN 10' FROM PROPERTY LINE.
2. SECTION 15.211 (1): LEACH AREA TO BE LESS THAN 20' FROM CELLAR WALL.
3. SECTION 15.212: LEACH AREA TO BE 4' ABOVE ADJUSTED GROUND WATER ELEV.
(SEPTIC SYSTEM HAS BEEN DESIGNED TO MAXIMUM FEASIBLE COMPLIANCE.)
TEST HOLE LOGS
ENGINEER: THOMAS McLELLAN, P.E.
T.'ITNES'S: CHARLOTTE STEIFEF
DATE: 7-6-00
PERCOLATION RATE: < 2 MIN/IN
T H--1 T H-2
26.0
0/A HORIZON ELEV.
LOAMY SAJVD
N 18" 10YR 3/1 24.5
B HORIZON
LOAMY SAND
36" 10YR 6/8 i 23.0
C HORIZON
MEDIUM SAND
2.5Y6 &
2.5Y 5%8
86" OBSERVED 18.8
GROUND WATER
91" 18.4
i
USGS GROUND WATER ADJUSTMENT:
WELL: MIW-89, ZONE: A, ADJUSTMENT: 1.5'
BENCHMARK TOP OF
EXISTING CATCH BASIN STAKE ELEV= 25.5'
AND DRAINAGE MANHOLES (3)
FEi
95-73
25.2 0
G 1 ,�s / E%IspR OM BH
0 3u1,1,1NG8.6 1
to 1 D� fLr 1
o CP : w
•o T'' `k
25
1 J" 257 DECK 26.3
I N
PRQP02K.56`a - CP
26. ST
�+ \ AVE y DRQ' E 6.4 � `. �,
25.4 GR2
17.5' .......'
-26
..u5.. 7.53
�-•� ✓F N C E .
1
25. 2 zs
KEY:
I EXISTING CONTOUR: -
PROPOSED CONTOUR: ............................
j EXISTING SPOT ELEVATION: 25.5
PROPOSED SPOT ELEVATION: 25
TEST HOLE: --
UTILITY POLE: -0-
I FENCE LINE:
HYDRANT: -�
RETAINING WALL:
TREE:
D ".I # 00-448_
19-0m
SEPTIC SYSTEM DESIGN
FLOW ESTIMATE: (3 BEDROOM DESIGN, MINIMUM)
-3- BEDROOMS AT 110 GAL/DAY/BEDROOM = 330 GAL/DAY
SEPTIC TANK:
330 GAL/DAY x 2 DAYS = GM GAL
USE 1500 GALLON SEPTIC TANK
LEACHING AREA:
USE 5 INFILTRATORS (STANDARD CHAMBERS
WITH 4' OF STONE AROU111D SIDES AND 3' AT ENDS
NOTE'S:
1. 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 TO CONFORM WITH AASHTO H-10 & H-20
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.
B. 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 lJ'OT TO
EXCEED 3.0'.
it. CONTRACTOR TO CONFIRM PLUMBING CHANGES PRIOR TO CONSTRUCTION.
12. ALL UNSUITABLE SOIL (B HORIZON, APPROX. 36" DEEP) FITHIN 5' OF
PROPOSED LEACH AREA IS TO BE REMOVED AND REPLACED WITH
CLEAN MEDIUM SAND.
13. EXISTING CESS POOLS ARE TO BE PUMPED AND FILLED WITH SAND
OR REMOVED.
(37.2,` x It' x 7" DEEP) -
SIDE AREA (48.25)2 x 7/412 = 56 (.74) = 41 GAL/ DAY
BOTTOM AREA: 37.25 - 11 = 410 SF (74) = 303 GAL/DAY
CAPACITY = 344 GAL/DAY
SEPTIC SYSTEM SECTION
25.56 �-
ELEV.
(EXISTING INVERTS
= 25.2 & 25.7
(SEE NOTE 11
28.6 COVERS WITHIN 12" OF
FIRST FLOOR FINISHED GRADE
(ONE COVER WITHIN
6" OF GRADE)
L 77
25.43,
ELEV. 25.18 �
1500 GAL ELEV. 24.93
SEPTIC TANK ID -BOX ELEV.
(6" OF STONE UNDER OR 25.1 (6" OF
MECHANICALLY COMPACTED) ELEV. STONE
TEE SIZES:
INLET: 6" UP, 13" DOW N
OUTLET: 6" UP, 14" DOWN
,(CAS BAFFLE AT OUTLET TEE)
DEMAP.EST-McLELLAN ENGINEERING
24 SCHOOL STREET P.D. BOX 463
Fz EST DENNIS, MASSACHUSETTS 02670
PHONE & FAX : (508) 398-7710
APPA%"DYED BY:
DATE:
UNDER)
F
0 2000
DEPT' r
THOMAS'
1n cL L I JOHN' Z. DEMAREST JR., P.L.S.
2" PEASTONE
3/4" - 1 1/2"
WASHED STONE
ELEV.= 25.3
.1-11 m 11 24.3
IE > -r----> ELEV.
3'-4'
� .37-25'
4'
24.88 5 INFILTRATORS (STANDARD CHA�S�IDERS)
ELEV. WITH 4' OF STONE AROUND SIDES AND
3' AT ENDS (37.25' z 11' x 7" DEEP) (H-20)
ADJUSTED GROUNDWATER ELEV: 20.3
SITE AND SEWAGE PIAN
L 0 C TION:
18 MARS LANE
SOUTH YARMOUTH, MA
PREPARED FOR:
A & B CANCOI ORDELL
SCALE: 1" = 20' DATE: 8/7/00
REFERENCE: PLAN BOOK 142 PAGE 43
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OF
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JOLiN
ILI :E kEST, ,}R.
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11 No 35859„
_q f
su
zo-
THOMAS'
1n cL L I JOHN' Z. DEMAREST JR., P.L.S.
2" PEASTONE
3/4" - 1 1/2"
WASHED STONE
ELEV.= 25.3
.1-11 m 11 24.3
IE > -r----> ELEV.
3'-4'
� .37-25'
4'
24.88 5 INFILTRATORS (STANDARD CHA�S�IDERS)
ELEV. WITH 4' OF STONE AROUND SIDES AND
3' AT ENDS (37.25' z 11' x 7" DEEP) (H-20)
ADJUSTED GROUNDWATER ELEV: 20.3
SITE AND SEWAGE PIAN
L 0 C TION:
18 MARS LANE
SOUTH YARMOUTH, MA
PREPARED FOR:
A & B CANCOI ORDELL
SCALE: 1" = 20' DATE: 8/7/00
REFERENCE: PLAN BOOK 142 PAGE 43