HomeMy WebLinkAboutDecision 3581 - Site and Sewage Plan4�� I ASSESSORS MAP: 70
l PARCEL: a16
LOCUS CURRENT ZONING: R-40 1952 SUBDIVISION)
TA
BUILDING SETBACKS:
F: 30' S: 20' R: 20'
FLOOD ZONE: C, BA7 (EL9)
w _
LOCATION ION MA -P
LOT .AREA
57,405 S.F.,
(0.86 ± AC.)
fi Sl
EDGE OF PAVE
0 - PROPOSED
�$ $6' 2 BEDROOM
�g 5 COTTAGE
top f nd.= 27D
26 EXISTING COTTAGE
TO BE REMOVED
24
BENCHMARK TOP OF
CONCRETE BOUND, cry 4;
ELEV= 27BT
.r
let
20
6
,14
VENT
9
20
DECK 16'
4,
14,44, 18,
PROPOSED sr -10"
s5, 5 BEDROOM
D,b'ELLING
15'-s"
44' "
22'-3"
14.5'
C'' PRCIi
1r`f.vv
36' 20'
f
6'
pp. r -T
2 B DROOM
COTTAGE
PROPOSED DFELLING AND COTTAGE
PROPOSED ADDITIONS -
(SQUARE OFF BREEZE -WAY)
Mod
PROPOSED ADDITION
- EXISTING WING TO
BE REMOVED
Nil
16 # ) 1 1 F ♦ 6
PROPOSED ADDITION f0 � - � � , 4Jf , ` G�'"� s•0
(DECK) .:
TEST TLE LOGS
ENGINEER: THOMAS McLELLAN, P.E.
WITNESS: KELDA WELSH
DATE: 9-14-99
PERCOLATION RATE: < 2 MIN IN
TH-1
,22D
O/A ITuRIZON4
.-OAl,fY SAND
1f' 10YR 3/2 21.1
B HORIZON
LOAkY SkkFD
24" f0a R 5/8 20.0
C HORIZON
HED -FINE SAND
2.5Y 7/2
132"1
NO GROUND WATER ENCOUNTERED
NOTES:
1. VERTICAL DATUM. NCT'D
2. MUNICAPAL WATER IS AVAILABLE.
3. SCHEDULE 40 - 4" PVC PIPE TO BE USED THROUGHOUT SEPTIC SYSTEM.
4. ALL PRECAST UNITS TO CONFORM YrrTH AASHTO H-10 & N..-20
LOADING SPECIFICATIONS.
S. PIPE PITCH ==
1/8" & 1 i " a'�F'R FOOT, (UNL�^ SS NOT E.O OT!T FR7�''I S E). j
6. FIRST Z OF PIPE OUT Of D-ROX TO BE SET LP7EL.
7. THE SEPTIC SYSTEM HAS NOT BEEN DESIGNED TAO AC vOMODATE THE
USE Or A. GARBAGE DTSF')S.A,L.
8. ALL CONSTP•UCTION 7F TAILS APE TO BE IN CONFORMANCE WITH THE
STATE OF MASS. EKvIRON3u'ENTAL CODE (TITLE FIVE)ALOCAL
HEALTH REGULATIONS.
0. CONTRACTOR TO VERIFY LOCATIONS OF All, UTILITIvS PRIOR
TO CONSTRUCTION.
10. GROUND COVER OVER ALL SEPTIC SYSTEy COMPONENTS NOT TO
EXCEED 3.0'.
11. AN ELECTRIC PERMIT IS REQUIRED PRIOR TO INSTALLATION OF
PUMP SYSTEM.
12. WORK LIMIT LINE TO BE DOUBLE STAKED HAY BALES OR SILT FENCE.
LINE TO BE STAKED PRIOR TO ANY SITE VrORK.
13. ROOF RUN-OFF TO BE DIRECTED TO DRYWELLS OR STONE TRENCHES
AT DRIP LINES.
N. ALL DISTURBED AREAS TO BE REVEGETATED OR MULCHED UPON
COMPLETION OF PROJECT.
15. EXISTING CESS POOLS ARE TO BE PUMPED AND FILLED WITH SAND
no REMOVED.
SEPTIC SYSTEM DESIGN 16. D -80X TO BE WATER TESTED TO ENSURE LEVELNESS AND EQUAL FLOW.
FLOW ESTIMATE:
I. BEDROOMS AT 110 CAL/DAY/BEDROOM = 770 CAL/DAY
SEPTIC TANKS:
-Us% GAL/DAY x 2 DAYS = 1100 GAL
USE 1500 CALLON SEPTIC TANK
= GAL/DAY x 2 DAYS = JMO GAL
USE 1500- CALLON SEPTIC TANK
LEACHING AREA:
USE 6- 500 GALLON CHAMBERS WITH 4' OF STONE
ALL AROUV'D (58' x 12.6' x 2' Dr': EP)
SIDE APEi- a 50 + 12.8!2 x 2 = 487(.74) = ,? GAL/DXY
BOTTOM AREA: 50' x 12.8' = 755 SF (74) = 559 CAL/DAY
CAPACITY - 771 GAL/DAY
SEPTIC SST ST jj SECT ION
COf€R9 !NEIN f2" OF - - - -- - - - - - -
_ ,. t'INIS9?D CI.AOE - _ COVER illq'lily
wTlqv COVED
8" OF GR.- DE)
TOP OF FND. 2" PRESSURE LINE
(WATCH '
CS EXIST.) P •pA�ss 2" FEAST ONE
ti °�`
�v GAS 9.45UGAL
95 �P ts,,
I�AFFLh' ELEV. ELEV. Lr�,�, 314--1 1/2"
9.7 1500 CAL 9.z DRAIN HOLEWASHED STONE
ELEV. SEPTIC TANlf
ELEV. PUMP CHAMBER TEL'S AT
10.0 (6" OF STONE UNDER OR WITH MYERS SRM -4 � BOTH INLETS ELEV.= 17.8
ELEV. mrF cHAirICALLY COMPACTED) PUj(P. PUMP ALARM
TEE SIZES. PAC.KACE TO BE INSTALLED
INLET: ., UP, 13 DO IN IN Dri ELLING POFERED
BY A CIRCUIT SEPARATE
OUTLET: ,P" UP, 14" DOFF N FROM THE full'
POrER, (DISTANCE BE77EEN D -BOX 17 76 E°LE'd.
COVERS frJTFrN 92" OF ON/OF. SWITCH TO BE 5"). 1726 (6" OF ELEV. <-- ,
27 0 FINISHED GRADE (DISTANCE BET�r EEN ON 5 ITC
(arrE tNSPECTION COVER AND ALARM TO BE 12") ELEV. ST OINIE 6- 500 GALLON CHAMBERS rITH 4' OF
TOP OF 1'ND. (c BE rITllA E"' 0'- GR&DE) UNDER) f7.O STONE ALL AROUND (H-20)
ELEV. (53' x 12.8' x 2' DEEP)
w I0 BE VENTED) Z
C� ELEV.�1 � f
�GRA`' �
2.-- 1500 GAL G RAX r
ELEV. �v
SEPT'I'C TANK
23.0 (6" OF STONE UNDER OR
8- ELEV. IIECHAPfICALLY COMPACTED}
WORK LlYlT LINE
(SEE NOTE 12) 6 - TEE SIZES GAS BAFFLE
S....
INLET: 6" UP, 13" DOr,rN AT OUTLET TEE
EDGE, OF EORDEI.1110 ,' � � OUTLET: Co" UP, 14" DOWN
VEGETATED WETLAND 4- �.7#
3.7° z.4 ZBENCHMAPKEAT SITE AND SEffTAGE PLAN
-
ELEVATION LNVA
N / .•'' ELEVATION = s.sc ,
KEY: I
EXISTING CONTOUR: --
PROPOSED CONTOUR: ...........................
EXISTING SPOT ELEVATION: 25.5
PROPOSED SPOT ELEVATION: 25
TEST HOLE: --
UTILITY POLE: -0-
FENCE LINE: ---
HYDRANT: -6-
RETAINING TJALL: rs
TR ET : .,
DIS . 99-0�6_
i
EDGE OF SALT MARSH �L
RAK LINE
EXISTING DOCK
DEMARES7'-1�3McLELLAN ENGINEE?�I�4'G'�
2g SCHOOL STREET P.O. BOX 463
w r vT Dz '+1 NI S' 1WASSACHUSETTS 02670
APPROVED BY: DATE:
7-
�
�OrhT Z DEIrAREST dR P L S
THOS! AS ISI cLELLAN,
PHONE FAX' : (508) °98-7710 �... � �
L 0 C TION.
38 CHARLES STREET
SOUTH YARAICUTII,A
PREPARED FOR:
DENNIS DUL"'HARYE
SCALE: a" = 40' DATE: 1u_•--22--99
REFERENCE: PLAN BOOK 104 PAGE 127