HomeMy WebLinkAboutEngineered Plan - 2015LEGEND
99 -
EXISTING CONTOUR
X 99.1
EXIST. SPOT ELEV.
99
PROPOSED CONTOUR
198.41
PROPOSED SPOT EL.
TH1
SIDE SETBACK
15'
TEST HOLE
2%
SLOPE OF GROUND
MAX.
UTILITY POLE
35'
FIRE HYDRANT
NOTE: NOT ALL SYMBOLS MAY APPEAR IN DRAWING
*THE INSTALLER SHALL VERIFY THE
LOCATIONS OF ALL UTILITIES AND ALL
BUILDING SEWER OUTLETS AND
ELEVATIONS PRIOR TO INSTALLING ANY
PORTION OF SEPTIC SYSTEM
J T I r_- 1V1 VIC%7I%.;IIM.
GARBAGE DISPOSER IS NOT ALLOWED
I.
DESIGN FLOW: 4 BEDROOMS @ 110 GPD 440 GPD
USE A 440 GPD DESIGN FLOW l
SEPTIC TANK: 440 GPD (2) = 880
USE A 1500 GAL. H-10 SEPTIC TANK
LEACHING:
440 GPD / (.74) = 595 SF REQUIRED c
15'X40'=600 SF OK
600 SF X .74 = 444 GPD OK
USE A 15' X 40' PIPE AND STONE LEACHING FIELD
i
I
I
i MA
APPROVED DATE BOARD PPF HEALTH
BENCHMARK: I
MAG NAIL
ELEVATION I
=8.65 NAVD88
MAP 17
PARCEL 79
5' REMOVAL OF UNSUITABLE SOIL REQUIRED
AROUND PERIMETER OF LEACHING, FACILITY,
DOWN TO SUITABLE SOIL LAYER. REPLACE
WITH CLEAN MED. SAND, TO MEET
SPECIFICATIONS OF 310 CMR 15.255(3
MAP 17
PARCEL 69
REDEVELOPMENT IN RIVERFRONT
MITIGATION CALCULATIONS
EXISTING HARDSCAPE = 2,189 SF
PROPOSED HARDSCAPE = 3,755 SF
NET INCREASE IN HARDSCAPE = 1,566 SF
REQUIRED MITIGATION (1566 x 2) = 3.132 SF
3135 SF PROVIDED OK
4--329
PROPOSED WATER LINE TO BE
SLEEVED WITHIN 10' OF AND
PROPOSED SEPTIC COMPONENTS
/
PROVIDE MIN. 20" DIAM. WATERTIGHT 5 Y 5 I CM F0KUI-ILL
ACCESS COVERS TO WITHIN 6" OF FIN. GRADE (NOT TO SCALE)
FIRST FL 1
ELEV. 13.5' MINIMUM .75' OF COVER OVER PRECAST 2" PEASTONE OR GEOTEXTILE
TOP FNDN. EL 12.5' 1 1.8 FILTER FABRIC OVER STONE
ALL 5TS I tM 4UMNUNLN 15 tiNALL tit
MARKED WITH MAGNETIC TAPE OR
COMPARABLE MEANS FOR FUTURE LOCATION.
70f
2% SLOPE REQUIRED OVER SYSTEM L10.1
NOTE. 2" MIN. WALL PROVIDE INSPECTION PORT TO V
PRECAST H-10 THICKNESS REQUIRED
RISERS (TYP.) 4"�SCH401 PVC
.: 4'SCH40 PVC 2'0 "
::•. PIPES LEVEL 1ST 2' 2 DOUBLE -WASHED PEASTON
4"NSCH80 PVC OR GEOTEXTILE FABRIC
* 10.23' 9.28
r r 10" 1500 GAL H-10 TEE y r
RAWL SLAB 9.5'1 9.85 TEE SEPTIC TANK 9'6 0 0 0 0 0 0 r °°o°o°o°°o°o°°o°°o°°oo°o°o°o°o°°o°o°°o°o°o°°o°°o°°o° _o°o°o'o°Oo°o°o°
4' LIQ. LEVEL o°o°o°o°o°o° 8,79 ACME OR EQUAL GAS BAFFLE +°o�°o,°o°o°,o°
;a:: 8.99' 8.82'
1 1
00000° opo°o°o�o�o�o�a°a�o�o�o�a�o�o°o'o°opo
0000000000000000000000. WATER TEST I'BOXFORLEVELNESS
+ono 0_0_0_n_1 ')00 0 0 0 0 o_r _�_0_n_n.o 0
6" CRUSHED STONE OR MECHANICAL
COMPACTION. (15.221 [2])
I
(2-% SLOPE) (--L% % SLOPE) (-!-% SLOPE)
FOUNDATION 19' SEPTIC TANK 61' D' BOX 5'
4"OSCH80 PVC
i
F,p
RETAINING WALL
MAP 17
PARCEL 89
PROPOSED
ROOF DRYWELL
2' x 4' (TYP)
EXISTING
/HOUSE
(DEMO)
LOT 19 /
36,9901 SF PER REC..'
PLAN/
i
W �
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
4" PVC SET AT .005'/' SLOPE
ON 6" DOUBLE WASHED 3/4"- 1 1/2" STONE
LEACHING
FACILITY
3" OF FINAL GRADE
5'
USE OBS. G -W ELEV. AT 3.1'
(NOTE: TIDALLY INFLUENCED)
ZONING SUMMARY
ZONING DISTRICT: R25 DISTRICT
NOTES j
1. DATUM IS NAVD88
2. MUNICIPAL WATER IS EXISTING
3. MINIMUM PIPE PITCH TO BE 1/8- PER FOOT.
4. DESIGN LOADING FOR ALL PROPOSED PRECAST UNITS
TO BE AASHO H-19
5. PIPE JOINTS TO BE MADE WATERTIGHT.
6. CONSTRUCTION DETAILS TO BE IN ACCORDANCE WITH
310 CMR 15.000 (TITLE 5.)
7. THIS PLAN IS FOR PROPOSED WORK ONLY AND NOT TO
BE USED FOR LOT LINE STAKING OR ANY OTHER
PURPOSE.
8. PIPE FOR SEPTIC SYSTEM TO SCH. 40-4" PVC.
9. COMPONENTS NOT TO BE BACKFILLED OR CONCEALED
WITHOUT INSPECTION BY BOARD OF HEALTH AND
PERMISSION OBTAINED FROM BOARD OF HEALTH.
10. CONTRACTOR SHALL BE RESPONSIBLE FOR CALLING
DIGSAFE (1-888-344-7233) AND VERIFYING THE
LOCATION OF ALL UNDERGROUND & OVERHEAD UTILITIES
PRIOR TO COMMENCEMENT OF WORK.
11. ANY UNSUITABLE MATERIAL ENCOUNTERED SHALL BE
REMOVED 5' BENEATH AND AROUND THE PROPOSED
LEACHING FACILITY.
12. EXISTING LEACHING FACILITY SHALL BE PUMPED AND
REMOVED OR PUMPED AND FILLED WITH CLEAN SAND.
13. POOL FENCE SHALL HAVE SELF-CLOSING
SELF -LATCHING GATES, SIZE AND MATERIALS TO MEET
LOCAL AND STATE BUILDING CODE, ALL DWELLING DOORS
OPENING TO POOL SHALL BE ALARMED TO CODE.
14. FLOOD RESISTANT FOUNDATION DESIGN BY OTHERS.
15. PATIO & ROOF RUNOFF TO BE DIRECTED TO DRYWELLS
AS SHOWN.
MIN.
LOT SIZE
25,000 S.F.
MIN.
FRONTAGE
150'
MIN.
FRONT SETBACK
30'
MIN.
SIDE SETBACK
15'
MIN.
REAR SETBACK
20'
MAX.
BUILDING HEIGHT
35'
MAX.
BUILDING COVERAGE
25%
SITE
IS NOT LOCATED WITHIN APD
OWNER OF RECORD
LOCUS MAP
NOT TO SCALE
ASSESSORS MAP 17 PARCEL 68
LOCUS IS WITHIN FEMA FLOOD ZONE
AE EL. 12, AE EL. 11 (HOUSE AREA) & VE EL. 13
AS SHOWN ON PANEL 25001 C0588J
EFF, 7/16/14
TEST HOLE LOGS
ENGINEER: DANIEL E. GONSALVES, SE #13587
WITNESS: AMY VON HONE, RS
DATE: 12/17/14
PERC. RATE _ < 2 MIN/INCH
CLASS I SOILS
4 ELEV.
0" 9.4' Orr
A A
LS LS
10YR 2/2 10YR 2/2
B_ B
LS LS
10YR 5/6 10YR 5/6
C C
M/CS M/CS 3.0' 75"
OBS. WATER OBS. WATER
10YR 6/8 10YR 6/8
FRANCIS POLI
16"
404 PINE CREEK AVENUE
FAIRFIELD, CT 06824
33'
REFERENCES
PERC
40 DEED BOOK 26479 PAGE 52
PLAN BOOK 56 PAGE 9
MONITORING WELL READING TABLE
/G�
77�
r=E-12)
i
DATE
GROUNDWATER
TIDE
DATE
GROUNDWATER
TIDE
�'>w�r:ta I�LEa ��prr9t>��nt 108"
PPTII�GVEEV
18"
6.8' 39"
0.5' 120"
ELEV.
9.3'
6.4'
3.1'
-0.5'
y, R„"lio.nrill it+l ��:.,I
I
OF
57 LEWIS BAY ROAD
WEST YARMOUTH, M A
PREPARED FOR
JUL 2 d 2015
HEALTH DEPT.
6'/0
�r
DATE DANIEL A. OJALA, P.E., P.L.S.
FRANCIS POLI
DATE: MARCH 18, 2015
Scale:1 "= 20'
0 10 20 30 40 50 FEET
off 508-362-4541
I fax 508-362-9880
downcape.com
down capeengineering, inc.
civil engineers
land surveyors
939 Main Street ( Rte 6A)
YARIWOUTHPORT MA 02675
14-329 POLI.DWG