HomeMy WebLinkAboutSite Plan 1-13-22LEGEND
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LXIJIINU UUNIUUM
X 99• 1
EXIST. SPOT ELEV.
-[991-
PROPOSED CONTOUR
198.4]
PROPOSED SPOT EL.
TH1
TEST HOLE
2%
SLOPE OF GROUND
CQ)
UTILITY POLE
FIRE HYDRANT
NOTE: NOT ALL SYMBOLS MAY APPEAR IN DRAWING
RIVERFRONT
MITIGATION CALCULATIONS:
HARDSCAPE 0-100'
100-200'
EXISTING:
3490 SF
3305
SF
PROPOSED:
3270 SF
7290
SF
CHANGE:
-220 SF
3985
SF
REQUIRED
MITIGATION
3765*2 =
7530 SF (7600
SFf PROVIDED),
MEADOW MIX
New England Wildflower Mix
NEW ENGLAND WETLAND PLANTS, INC. OR EQUAL
SPECIES:
Little Bluestem, (Schizachyrium scoparium), Creeping Red
Fescue, (Festuca rubra), Indian Grass, (Sorghostrum
nutans), Partridge Pea, (Chamaecrista fasciculato),
Canada Wild Rye, (Elymus canadensis), Virginia Wild Rye,
(Elymus virginicus), Wild Blue Lupine, (Lupinus
perennis), Golden Alexanders, (Zizia aurea), Ox Eye
Sun"ower, (Heliopsis helionthoides), Black Eyed Susan,
(Rudbeckia hirta); New England Aster, (Aster
novae-angliae), Wild Bergamot, (Monarda stulosa),
Smooth Blue Aster, (Aster laevis), Evening Primrose,
(Oenothera biennis), New York Ironweed, (Vernonia
noveboracensis), Grass Leaved Goldenrod, (Euthamia
grominifolia), Early Goldenrod, (Solidago juncea).
LICE #21-158
*THE INSTALLER SHALL VERIFY THE \
LOCATIONS OF ALL UTILITIES AND ALL
BUILDING SEWER OUTLETS AND
ELEVATIONS PRIOR TO INSTALLING ANY
PORTION OF SEPTIC SYSTEM
TEST HOLE LOGS
ENGINEER: CRAIG J. FERRARI, SE #13871
wlTnll cc• CAROL EASTMAN
DATE: 1 1 /29/21
PERC. RATE _ < 2 MIN/INCH
CLASS I SOILS
ELEV.
4 , 4 0„ 5 0„
A
LS
14" 1OYR 4/1
B
LS
30" 1 OYR 4/6 2.5'
PERC
W
2.5Y 7/6
ELEV.
6'
A
LS
IOYR 4/1
18"
B
LS
30" 1OYR 4/6 3.5'
96" I I -3' 96"
G-W ADJ. DATA: GROUNDWATER AT 48"
WELL: MIW 29 ELEVATION 1.0'
ZONE: A
ADJ: 1.5'
DECEMBER 2021
"
MS
2.5Y 7/6
PROVIDE MIN. 20" DIAM. WATERTIGHT
PROVIDE MIN.
20" DIAM. WATERTIGHT
ACCESS COVERS TO GRADE
ACCESS COVERS TO GRADE
D. EL. 12.2'
9 5' MINIMUM .75' OF COVER OVER
PRECAST 1 O
MINIMUM 3 OF COVE
PRECAST H-10
RISERS (TYP.)
PRECAST H-10
RISERS (TYP.)
z'0
H-20 H-20 I.I
10" 2000 GAL 10" 2000 GAL
7.25' TEE SEPTIC TANK 7 00' g 96 TEE PUMP CHAMBER
ZABEL A100
FILTER PRIOR SEE DETAIL BELOW
TO P/C
4' LIQ. LEVEL (ACME OR EQUAL)
J00O O O O O •O; O O O O O 0; O^ O O O O O o O�'l. Jpo0000000000p000 a00000000000000000000000a(
• 0080 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 0 0 0 0 0 0 0 0 0 o 0 0 0 0 0 0 o a o o 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0<
„0000o0ono0o„o,,0,,00000000o0o�onono„o„o„00000. o o 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
� � _ _ '�`O ,,O„O..n_n„7,.'1_'1 O o O o O n_n_n_n_n„7.0
6" CRUSHED STONE OR MECHANICAL
COMPACTION. (15.221 [2])
( 2.5 % SLOPE) ( 2 % SLOPE)
FOUNDATION- 15' SEPTIC TANK 21
ALARM AND CONTROL PANEL
TO BE INSTALLED INSIDE
BUILDING. ALARM TO BE ON
SEPARATE CIRCUIT FROM PUMP
INV. IN 6.96'
ALARM ON
FLOAT SWITCH
SETTINGS: PUMP ON
4" WORKING RANGE
PUMP OFF
2000 GAL. H-20 S
1245 GAL.
RESERVE
8„
4"
12"
SYSTEM PROFILE
(NOT TO SCALE) MARK CORNERS OF
LEACHING FIELD W/ PROVIDE INSPEC1ON PORTS TO
REBAR SET 4" BELOW WITHIN 3" OF FINISH GRADE
GRADE 2% SLOPE \
FILTER FABRIC
fER PRECAST TOP 8.68' \\\
9.5 FINISHED GRADE- 4" LOAM & SEED OR PAVE AS REQ.
IX 0
r
fill MIN. SUMP
4" OSCH40 PVC CLEAN FILL
PIPES LEVEL 1ST 2'
12" MIN. INT. DIM. a PERFORATED PVC 5' O.C. S=O.005 O
' EE'. o
3/4"-1-1/2" DOUBLE WASHED
WATERTEHT D'BOX loll STONE LEACHING FIELD 0 6"DEPTH MIN BELOW INV.
000000000000 O 8.0'
0g000o00 FOR LEVELNESS 8.33' LEVEL BOTTOM o
8.62' 8.45'
54.0'
7.5'
(1 v. SLOPE)
PUMP CHAMBER 90' D' BOX 12'
PROP. WATERTIGHT COVER TO GRADE SYSTEM DESIGN:
,PROVIDE QUICK DISCONNECT FOR PUMP GARBAGE DISPOSER IS - NOT ALLOWED
..//</
NO LOW POINTS
2" PRESSURE LINE - --
SLOPE TO DRAIN BACK TO PC
-0.25" WEEP HOLES
CHECK VALVE
MYERS SRM 4
PUMP CHAMBER
(NOT TO SCALE)
WATERPROOF/WATERTIGHT
MAP 34 PARCEL 292.1
JOSEPH GILMORE
rnrnr nncnnn
SUBMERSIBLE 4/10 HP PUMP
SYSTEM (OR EQUAL)
#181 EXISITNG 6 BEDROOMS
#183 EXISTING 3 BEDROOMS
DESIGN FLOW: 9 BEDROOMS @ 110 GPD = 990 GPD
USE A 990 GPD DESIGN FLOW
SEPTIC TANK: 990 GPD (2) = 1980
USE A 2000 GAL. SEPTIC TANK
AND A 2000 GAL. PUMP CHAMBER
LEACHING:
990 GPD / (.74) = 1338 SF REQUIRED
25' X 54' = 1350 SF OK
1350 SF X .74 = 999 GPD OK
USE A 25' X 54' PIPE AND STONE LEACHING FIELD
5. 0'
ADJUSTED GROUNDWATER
2.5'
LEACHING
BUOYANCY CALCS:
FACILITY
H-20 2000 GAL.
PC WEIGHS 26,000 LBS
1.64' x 6 x 11 x
62.4 = 6,755
LBS UP (OK)
H-20 2000 GAL.
ST WEIGHS 26,000 LBS
1.33' x 6 x 11 x
62.4 = 5,478
LBS UP (OK)
ZONING SUMMARY
ZONING DISTRICT: RS-40
RESIDENTIAL DISTRICT
REQUIRED:
EXISTING:
PROPOSED:
MIN.
LOT SIZE
40,000 S.F.
85,850 S.F.
85,850 S.F.
MIN.
LOT FRONTAGE
150'
149.94'
149.94'
MIN.
FRONT SETBACK
30'
289'
318'
MIN.
SIDE SETBACK
20'
14.6'
23.6'
MIN.
REAR SETBACK
20'
-
-
MAX.
BUILDING COVERAGE
25%
6.0%
6.9%
eye
or/,in �
ow t
Cb
o
N =
S �
J P oa
a
r.
Uth Shore D
Nantucket
Sound
LOCUS MAP
SCALE 1 "=2000'f
ASSESSORS MAP 34 PARCEL 292.2
LOCUS IS WITHIN FEMA FLOOD ZONE AE (EL 11)
& VE (EL 13) AS SHOWN ON COMMUNITY PANEL
#25001 CO589J DATED 7/16/2014
PROPOSED DWELLING IS WITHIN AE (EL 11)
DESIGN FLOOD ELEVATION 12.0
NOTES
1. DATUM IS NAVD 88
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-20
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 BENEATH AND 5' 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.
WATER RESISTANT CONSTRUCTION UP TO ELEVATION 12.0.
15. GUTTERS AND DOWNSPOUTS TO BE DIRECTED TO
DRYWELLS OR ROOF DRIP LINES TO STONE TRENCHES.
16. ACCESS FOR ROUTINE MAINTENANCE MUST BE
PROVIDED FOR ZABEL FILTER. INSTALLER MUST FOLLOW
MANUFACTURER'S SEPCIFICATIONS FOR PROPER FILTER
INSTALLATION.
17. INSTALLER TO VERIFY THE ELECTRICAL SYSTEM IS
SUITABLE FOR PUMP CONNECTION. ELECTRICAL PERMIT
REQUIRED.
OF
# 181 R I V E Fl"" T R E E T
SOUTH
PREPARED FOR
JOSEP"
DATE: JANUARY 13, 2022
�9
Scale:1 "= 20'
0 10 20 30 40 50 FEET
DATE DANIEL A. OJALA, P.E., P.L.S.
off 508-362-4541
fax 508-362-9880
downcope.com
O WO cape, engii leriog, Mc.
civil engineers
land surveyors
939 Main Street ( Rte 5A)
YARMOU THPOR T MA 02575
DCE #21-158