HomeMy WebLinkAboutEngineered Plan - 20014
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LOCATION MAP
LOT 4
10,000 S.F.
(0.23 ± AC.)
ASSESSORS MAP: 67
PARCEL: 32
FLOOD ZONE: C
REQUIRED VARIANCES FROM TITLE FIVE:
1. SECTION 15211 (1): LEACH AREA TO BE LESS THAN 10' FROM PROPERTY LINES.
2. SECTION 15211 (1): LEACH AREA TO BE LESS THAN 20' FROM CELLAR WALL.
REQUIRED VARIANCE FROM THE TOWN OF YARMOUTH HEALTH REGULATIONS:
1. REGULATION 3.7. LEACH AREA TO BE LESS THAN 10' FROM PROPERY LINES.
2. REGULATION 3.7: LEACH AREA TO BE LESS THAN 20' FROM CELLAR WALL.
(SEPTIC SYSTEM HAS BEEN DESIGNED TO MAXIMUM FEASIBLE COMPLIANCE.)
WAY
S I E R R A EOG__ P --'"' s s
19. 71 �.-� UTILITY
_ ! 00. 00' CONCRETE BOUND
ELEV= 20.0'
20
1
i DRIVE 1
1 _ 1
G
I I GARAGE
15'
5
EX,STING l ::
\ 4 BEDROOM
,,,ELLI e = 22B l
1st f
X20
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: 0
DM#_01_71_
/
7MBING l
1: DECK
CP.= T
TEST HOLE LOGS
ENGINEER: THOMAS McLELLAN, P.E.
WITNESS: AMY VON HONE, R.S.
DATE 11-1-01
PERCOLATION RATE: < 2 MIN IN
TH-1 TH-2
FILL
9" 18.
0/A HORIZON
LOAMY SAND
18" 10YR 2/2 17.5
B HORIZON"
LOAMY SAND
36" IOYR 6/8 16.0
C HORIZON
FINE SAND
2.5Y 7/4
140" GROUND WATER 7.3
USCS GROUND WATER ADJUSTMENT:
WELL: MIW-29, ZONE: A, ADJUSTMENT: 2.5'
SEPTIC SYSTEM DESIGN
NOTES:
1. VERTICAL DATUM: ASSUMED FROM QUAD (NCVD +/-)
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= 114" 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 NOT TO
EXCEED 3.0'.
11. EXISTING CESS POOLS ARE TO BE PUMPED AND FILLED WITH SAND
OR REMOVED.
12. ALL UNSUITABLE SOIL (B HORIZON, APPROX. 36" DEEP) WITHIN 5' OF
PROPOSED LEACH AREA (AT SOUTH END) IS TO BE REMOVED AND
REPLACED WITH CLEAN MEDIUM SAND.
FLOW ESTIMATE:
4 BEDROOMS AT 110 GAL/DAY/BEDROOM = 440 GAL/DAY
SEPTIC TANK:
440 GAL/DAY x 2 DAYS = 880 GAL
USE 1500 GALLON SEPTIC TANK
LEACHING AREA:
USE 6 INFILTRATOR CHAMBERS (MODEL 3050) WITH
2' OF STONE AROUND SIDES AND 1' AT ENDS
(47'x 8.2'x 2' DEEP)
SIDE AREA: (47 + 8.2)2 i'2 221 (.74) _ 164 GAL/ DAY
BOTTOM AREA: 47'x 8.2'= 385 SF (74)_ 285 GAL/DAY
CAPACITY 449 GAL/DAY
SEPTIC SYSTEM SECTION
COVERS WITHIN 12" OF
22 9 ((FINISHED GRADE
COVER
r ZZ
FIRST FLOOR ELEV.
TONBEINSPECTION WITHIN 6" OF GRADE)
�- BENCHMARK AT
CONCRETE BOUND
ELEV= 19.P
18.25 1500 GAL
ELEV. SEPTIC TANK
19.6 & 19.5 (6" OF STONE UNDER OR
ELEV. MECHANICALLY COMPACTED)
(EXIST) TEE SIZES:
INLET: 6" UP, 13" DOWN
OUTLET: 6" UP, 14" DOWN
DEMAREST-McLELLAN ENGINEERING
24 SCHOOL STREET P.O. BOX 463
REST DENNIS, MASSACHUSETTS 02670
PHONE & FAX : (508) 398-7710
APP,ROVED BY:
18.0
ELEV.
3' MAX
COVER
D -BOX 16.83
17.0 (6" OF ELEV.
ELEV. STONE
UNDER)
GAS BAFFLE 16.8
AT OUTLET TEE ELEV.
/C
DATE:
2" PEASTONE
3/4" - 1 1/2"
�- WASHED STONE
/- ELEV= 17.3
�I'o1 14.8
< > < > ELEV.
1-2' 1-2'
47„
6 INFILTRATOR CHAMBERS (MODEL 3050)
WITH 2' OF STONE AROUND SIDES AND
1'. AT ENDS (47' x 8.2' x 2' DEEP)
SITE AND SEWAGE PLAN
L OCA TION
21 SIERRA WAY
'WEST YARMOUTH, MA
PREPARED FOR.
CHARLES BERGST ROM
SCALE: 1" = 20' DATE: 11112101
REFERENCE: PLAN BOOK 221 PAGE 5
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NOV 1 4 2001
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OtKkREST, JR
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THOMAS McL -`CLAN, P E.
JOHN Z. DEMAREST JR., P.L.S.
2" PEASTONE
3/4" - 1 1/2"
�- WASHED STONE
/- ELEV= 17.3
�I'o1 14.8
< > < > ELEV.
1-2' 1-2'
47„
6 INFILTRATOR CHAMBERS (MODEL 3050)
WITH 2' OF STONE AROUND SIDES AND
1'. AT ENDS (47' x 8.2' x 2' DEEP)
SITE AND SEWAGE PLAN
L OCA TION
21 SIERRA WAY
'WEST YARMOUTH, MA
PREPARED FOR.
CHARLES BERGST ROM
SCALE: 1" = 20' DATE: 11112101
REFERENCE: PLAN BOOK 221 PAGE 5
u a la Lc L� a
NOV 1 4 2001