HomeMy WebLinkAbout43 Vernon Street - Design for Sewage Disposal System UpgradeSOIL TEST PIT DATA: JULY 17, 2007 SEPTIC- TANK DETAIL: 1,500 GALLON DISTRIBU ION BOX DETAIL: NOT TO SCALE LEACHING DETAIL: NOT TO SCALE
TEST PIT #1- NOT TO SCALE
N0. OF OUTLETS 1Ji 22.5'
GRD. EL. 12.6 NOTES: 1. SEPTIC TANK SHALL BE STEEL 5. INLET
EDA D OUTLET PVC ORTEES TO BE CCAST IRON, TE. FINISH GRADE 0 0 0 0 00 0 0 0 0 o 0 0 0 0000 0 0 0 0 0 0 0 0 0
REINFORCED CONCRETE. 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 T
EST. HIGH GW. 6.0 2. SEPTIC TANK TO WITHSTAND H-10 LOADING TEES TO BE CENTERED UNDER MANHOLE COVER. - (- NOTES:
HIGH GROUNDWATER COMPUTATION COVVERABLE 2" WALLS a o0
DATE: UNLESS UNDER PAVEMENT, DRIVES OR � 3 UNITS 0
BASED ON TP 1 TRAVELED WAYS, WHEREIN H-20 LOADING OBS 00 A 7/19/07 . 2• 1. DIST. BOX TO WITHSTAND H-10 LOADING 0 HIGH DENSITY PORT 50" 11'
SHALL APPLY. a:a...a:;...o:�....,:9.:,.. "
10YR 4/3 UNLESS UNDER PAVEMENT, DRIVES OR 4 PVC o POLYETHYLENE INFILTRATOR 3050 ° l
LOAMY SSAND TEST BY: DEPTH To WATER 8.3 3. ALL PIPE CONNECTIONS AND CONCRETE I ° 0 1
. THE BSC GROUP, INC. INDEX WELL CONSTRUCTION SHALL BE WATERTIGHT. 2-24" DW CONCRETE MANHOLES TRAVELED WAYS WHEREIN H-20 LOADING PIPE 00 0 0 0 0 0 0 0 0 0 0 0 0 0°
10 MIW-29 W/ METAL HANDLES BROUGHT 1 F 15• SHALL APPLY. 0 00 0 0 00 0 0 0 0 0 0 0 0 0 0
`r' 0 00 00o r o0 0 0 00 00 0 00 0
WITNESSED BY: WATER LEVEL RANGE ZONE A 4. FILL ALL UNUSED KNOCKOUTS WITH TO 6" OF FINISH GRADE T
B AMY VON HONE CURRENT DEPTH®INDEX WELL 7/07 8.2 MORTAR. TEE TO BE UNDERF 12' MIN 6` 5,5" i 8" l 2. PROVIDE INLET TEE OR BAFFLE WHERE 28.0'
1OYR 6/8 WATER LEVEL ADJUSTMENT 1.7 M.H. OPENING R SLOPE OF PIPE EXCEEDS 0.08 FT./FT OR PLAN VIEW -,- LEACHING CHAMBERS
MEDIUM SSAND PERC. RATE: DEPTH TO ADJUSTED HIGH WATER 6.6 may- ` ! ,a eJ ' eea T IN PUMPED SYSTEM.
2 MIN./INCH r 3" g'� -�' a°A 2" 3. FIRST TWO FEET OF PIPE OUT OF DIST.
RAISE M.H W,L.. 4' BOTi;;M ON LEVEL �� LOAM &SEED DISTURBED AREAS
28" SOIL EVALUATOR 10-g SEWER BRICK STAB BASE 6' MIN. 3 4' TO BOX TO BE LAID LEVEL.
1 & MORTAR `" 1 i/2" CRUSHED
EL = 10.3 MARK DIBB 10'-0" t2 ` CR75s -SECTION STONE BASE 4. ALL PIPE CONNECTIONS AND CONCRETE 3' MAX. COMPACTED FILL 3t," MAXIMUM, 12"MINIMUM
NORMAL WATER LEVEL CONSTRUCTION SHALL BE WATERTIGHT. 0 0 0 0 0 0 000 0 0 0
3" 5. FILL ALL UNUSED KNOCKOUTS WITH MORTAR. 0 0 0 0 000 0 0 000 0
SOIL CLASS: INDICATES a. HIGH 000 O0 3" LAYER
56" 1 INDICATES �_ ESTIMATED '- \ 1 10" 1a -, L
0 � PEASTONE
C
PERC. SEASONAL HIGH PRECAST SEPTIC TANK 1_
T" po DENSITY REMOVE
10YR 7f3 TEST GROUND WATER _ MLEi TEE - 5'-T' 30' 1/2' 30 0 p Op POLYETHYLENE 00 Op 0 UNSUITABLE
MEDIUM SAND L.T.A.R. - - _ , EFFEp INFILT@.ATOR 3050 O O 0 MATERIAL FOR
0.74 G.P.D./SQ.FT. INDICATES - _ _ 5-2 4 Z 4'-0` MIN. Wa �°u 5--8• 15 1/2" I DEPTH Q00 LEACHING 0 O 5' ALL AROUND
LIQUID DEPTH- e. 1 O 0 00 IF APPLICABLE
80" ® INDICATES �_ OBSERVED 5'-e" °� 1 O CHAMBER
UNSUITABLE GROUND WATER- PRECAT ISI.
100" MATERIAL a BTX " " 3/4" - 1 1/2"
120" d B..ICO: -: Com:.: C . - a a!_.! 41 50" 41 WASHED STONE
EL = 2.6 _ �e BOTTOM ON LEVEL STABLE BASE �a 3• 11'
PLAN VIEW h 1/,' 21
6" MIN. 3 4" TO �C��
1 1/2 /STONE CROSS-SECTION VIEW P VIEW CROSS-SE.TION OF CHAMBER
DATUM:
VERTICAL DATUM: N.G.V.D. 1929 DESIGN CRITERIA'
BENCH MARK USED: RM22 ! KITCHEN I BATH I BEDROOM DESIGN FLOW: "
N/F LEGEND
BENCH MARK SET: TOP OF FOUNDATION ELEV. =19.0 \ TOWN DF YARMOUTH _ - _ 3 BEDROOMS ATilOG.P.B./D 330 G.P.D.
15 ASSESSORS MAP 28
PARCEL 137 SMH SEWER MANHOLE
WG WATER GATE
PROFILE: NOT TO SCALE ��� TOF TOP OF FOUNDATION
PROPOSED LIMITS OF ti r} GyF NV SEPTIC PIPE INVERTOR
PROPOSED 11.0 x 2e,o' REQUIRED SEPTIC TANK:
EL. A EXCAVATION. SEE NOTES S LEACHING SYSTEM WF WETFLAG NUMBER
TOP FOUNDATION FIRST PIPE LENGTH 5 AND 6. N/F NOW OR FORMERLY LIVING ROOM I BEDROOM 3'0 X 200% = 660 GAL.
CONCRETE COVERS TO WITHIN TO BE SET LEVEL 1500 GAL.
EL -18.0 6" OF FINISHED GRADE. FOR MIN. 2'� `'� TP TEST PIT I SEPTIC TANK PROVIDED: _
FINISH GRADE
EL=15.3-16.8 NOTD
4' PVC SCH 40� '
4" PV(J� 24' OAK
EXISTING DWELLING AND DECK TO BE SIZE OF LEACHING FACILITY REQUIRED:
SCH 40 4" PVC SCH `� LEACHING CHAMBER PROPOSED T HIGH 40MIL t_,-_ 4 REMOVED. NEW DWELLING TO BE SET
POLY LINER. `r� PROPOSED 'D' BO ON NEW FOUNDATION TO E COMPASS THE INTERIOR SKETCH DESIGN PERC. RATE: <2
NOT TO SCALE MIN. INCH
o OLD DWELLING, ADDITIONUA WILL BE /
I=� 1=D - - S31'58'00"W o O ` SET ON SOND TUBES AND EXTEND TOWA S LONG TERM APPL. RATE 0,74
1=G 55.25' 24' OAK` THE REAR OF THE PROPERTY, ADDITION G.P.D/S.F.
I=C
1=E H / = ' WILL EXTEND TOWARD THE SOUTHERLY
5 OUTLET I=F :... o PROPERTY LINE AND WILL FALL ENTIRELY /� �^ -
......... , - - of iv r WITHIN THE EXISTING DECK AREA. FLOOR PLANS 330 GPD 0,74 GPD/SF - 446 S.F.
s'- DIST. BOX 5.3' SEPARATION PROVIDED
SEPTIC TANK j•"' �� �� THE EXISTING GRADING IS TO BE MAINTAINED ---
I (5' SEPARATION REQ.) I o
�: ; :: , b 1j•2 . AT THE FRONT AND THE WALL ON THE SOUTH SEE ARCHICTURAL PLANS
EST. HIGH GROUNDWATER ` I SIDE OF THE DRIVEWAY WILL EITHER BE SI7.E OF LEACHING FACILITY PROVIDED:
EXISTING:::: ? I PROPOSED 1 00 GALLON STRUCTURALLY ENHANCED OR REPLACED
J HOUSE #39 0 r, SEPTIC 7AN
FULL FND, I IF NEEDED. USE HIGH DENSITY POLYETHYLENE
' G.o
I I LEACHING CHAMBERS(3 UNITS) 11'X2'X28'
INVERT ELEVATIONS: '04' o TP#1
X . ::...............It
....:.. r' caPE cDD HDSPIraL SIDEWALL = 2(i1'+28') X 2' = 156
• ...... • ...... BUIL'OING SL LINE • ASSESSORS 8 B OM = 11' X 28' _
TOP OF ,FOUNDATION 19.0 A r PARCEL 58.12 308
• . t >N I 21.0 1 P@1*MA11K
�HOF{fy 464S,F,
4" INVERT AT BUILDING 14.50 B �Gasin
oc 464 S,F x 0.74 GPD/SF - 343GPD
4" INVERT AT SEPTIC TANK (IN) 14.00 C �f- 12.3' METER4" INVERT AT SEPTIC TANK (OUT) 13.75 D Z'o� WILLIAM34.3 „& SUSAN• m ti° 054 INVERT AT DIST. BOX (IN) 13.67 E >Wt1 0 • ITOWNER v PROPOSED w. r 1r
„ qty iq g ASSESSORS % z t �' "a AL
4 INVERT AT DIST. BOX (OUT) 13.50 F o o MAP 28 A➢AI&ILBNS z �� yAG
t w PARCEL 146 I v I
z 4,420±S.F, z o
1.5 STORY o v �• o BOO /
INVERTS AT LEACHING FACILITY: ss' I s D WOOD FRAME mI wF#s g Lt/Lo°''
° HOUSE #43 `� -�
TOF=19.0 /�I o / LOCUS INFORMATION
4" INVERT AT BEGINNING B EX. INV=17.0 zI f 81 0 -
OF LEACHING CHAMBER 13.30 G BREAKOUT 13.8 24' OAK 13.1' 6.0' o PROP. INV=15.0 9I GARAGE ! 0.i Z I
ELEVATION AT BOTTOM
DECK TO B 283' to E`LABS d i "r CURRENT OWNER: WILLIAM N. TOWNER
OF LEACHING CHAMBER 11.30 H REMO D - .. 7.9'
30' OAK / i TITLE REFERENCE: BOOK 11662, PAGE 164
ADJUSTED 6.0 J I I t rf R PLAN REFERENCE: BOOK 26, PAGE 105
GROUNDWATER '
-.- _ �.:'' 3 STOOP l' O � � X �.
4.3-� ASSESSORS MAP: 28
OBSERVED GROUNDWATER - j PARCEL: 146
I3 ' ZONING DISTRICT: R-25
o wa
SETBACKS: FRONT 30'
SIDE 15'
REAR 20'
PROPOSED a /
RESERVE AREA 3� OVERLAY DISTRICT: NOT IN A ZONE II
VARIANCES REQUESTED: _ I --15- ;
w FEMA FLOOD "C & A9", DATED 7/2/92
------ -r -� a DRIVEWAY / ' WF#4
P0 ?(,P7 ZONE DISTRICT: PANEL #250015 0005 D
__ /
TITLE V: SECTION 15.211: (1) TO ALLOW LEACHING SYSTEM TO BE 5' OFF REAR - ''� j i v`' -
--'"-' Permit valid for REPAIR OF SEPTIC SYSTEIII
PROPERTY LINE IN LIEU OF 10'. N31'58'00'E -4; 77_1 _ O ^/ f� ONLY, due to state and Local septic variances. MINIMUM LOT SIZE: 25,000 S.F.
W- --- 16' MAPLE 55.25 • Eaard of Health review and approval pproval is required EXISTING LOT SIZE: 4,420±S.F.
TO ALLOW THE LEACHING SYSTEM TO BE 10' OFF ty - �- w---� •ly�� >/ CB o L _ _ _ , for any future additionsRenovations/alterations to
- -,�_- + _ / Sewage facilities and/orstructures/dwelling. EXISTING LOT COVERAGE: 918/4,420=20.8%
EDGE OF PAVEMENT lj
EXISTING & PROPOSED FOUNDATION WALL. o� 1` _ Yarm^nthHe-Ith Department
! l A" PRO VES
TO ALLOW THE SEPTIC TANK TO BE 5.0 OFF '`�, ;; 1 0=4, i oo� � r �', I Sej�'� S L`DCUS PLAN.
REAR PROPERTY LINE. I ti w°.o ; /; \ wF#3 (/ e NO SCALE
VERNON S T R ELT (PUBLIC 4D' WIDE) ; oo° �v ` ,y - D�
TO ALLOW THE RESERVE AREA TO BE 11 OFF
PROPOSED FOUNDATION WALL IN LIEU OF 20'.
I f' CB
TO ALLOW THE RESERVE AREA TO BE 5' FROM - s PLAN VIEW 2
/= I N
FRONT AND SIDE PROPERTY LINES IN LIEU OF 10' - - - - - - - - - - - - - - - - i 2
TO ALLOW THE WATER LINE TO REMAIN WHERE /y M / �� 1
t,2 �• SCALE: 1' = 10 FEET E. I
IT IS UNTIL SUCH TIME AS THE RESERVE IS NEEDED T wF#2
R 3 a
5 10 20 FT. LOCUS
f CB/DISK
TOWN OF YARMOUTH B.O.H. TO ALLOW THE LEACHING SYSTEM TO BE 86' FROM _ rNu ul r
WETLANDS IN LIEU OF 100'
TO ALLOW THE RESERVE AREA TO BE 77' FROM
WETLANDS IN LIEU OF 100' r
NOTE: UPON INSTALLATION OF PUBLIC SEWER SERVICE THIS PROPERTY WOULD
IMMEDIATELY "TIE IN" AND ABANDON PRIVATE SEPTIC WF#1
LEWIS BAY
REVISIONS
NO. DATE DESCRIPTION
GENERAL NOTES:
1. THIS PLAN IS FOR DESIGN AND
CONSTRUCTION OF THE SEWAGE
DISPOSAL FACILITY ONLY.
2. ALL CONSTRUCTION METHODS AND
MATERIALS SHALL CONFORM TO MASS.
D.E.P TITLE 5 AND LOCAL BOARD
OF HEALTH REGULATIONS.
3. ALL PIPES LOCATED UNDER PAVEMENT
OR TRAVELED WAY SHALL BE SCHEDULE
40 OR EQUAL.
4. THERE ARE NO KNOWN PRIVATE WELLS
LOCATED WITHIN 150 Fr. OF THE
PROPOSED LEACHING FACILITY NOR
ANY KNOWN WELLS PROPOSED WITHIN
150' OF ANY KNOWN LEACHING FACILITY.
5, WITHIN LIMIT OF EXCAVATION REMOVE
ALL TOPSOIL, SUBSOIL AND OTHER
IMPERVIOUS MATERIAL.
6. REPLACE ALL EXCAVATED MATERIAL WITH
CLEAN GRANULAR SAND, FREE FROM ORGANIC
MATERIAL AND DELETERIOUS SUBSTANCES.
MIXTURES AND LAYERS OF DIFFERENT CLASSES
OF SOIL SHALL NOT BE USED. THE FILL SHALL
NOT CONTAIN ANY MATERIAL LARGER THAN
TWO INCHES. A SIEVE ANALYSIS, USING A #4
SIEVE, SHALL BE PERFORMED ON A
REPRESENTATIVE SAMPLE OF FILL. UP TO 45 %
BY WEIGHT OF THE FILL SAMPLE MAY BE
RETAINED ON THE #4 SIEVE. SIEVE ANALYSES
ALSO SHALL BE PERFORMED ON THE FRACTION
OF FILL SAMPLE PASSING THE #4 SIEVE, SUCH
ANALYSES MUST DEMONSTRATE THAT THE
MATERIAL MEETS EACH OF THE FOLLOWING
SPECIFICATIONS:
100➢' MUST PASS #4 SIEVE
(4.75 mm EFFECTIVE PARTICLE SIZE)
1m'-100.' MUST PASS #50 SIEVE
(0.30 mm EFFECTIVE PARTICLE SIZE)
0%-2C% MUST PASS #100 SIEVE
(0.15 mm EFFECTIVE PARTICLE SIZE)
07-57 MUST PASS 1200 SIEVE
(0.075 mm EFFECTIVE PARTICLE SIZE)
7. EXISTING UTILITIES WHERE SHOWN
IN THE DRAWINGS ARE APPROXIMATE.
THE CONTRACTOR SHALL BE RESPON-
SIBLE FOR PROPERLY LOCATING AND
COORDINATING THE PROPOSED CON-
STRUCTION ACTIVITY WITH DIG -SAFE
AND THE APPLICABLE UTILITY
COMPANY AND MAINTAINING THE
EXISTING UTILITY SYSTEM IN SERVICE.
DIG -SAFE SHALL BE NOTIFIED PER
THE STATE OF MASSACHUSETTS
STATUTE CHAPTER 82, SECTION 409
AT TEL 1-888-344-7233. THE
ENGINEER DOES NOT GUARANTFF
THEIR ACCURACY OR THAT ALL
UTILITIES AND SUBSURFACE STRUCTURES
ARE SHOWN. LOCATIONS AND
ELEVATIONS OF UNDERGROUND UTILITIES
TAKEN FROM RECORD PLANS. THE
CONTRACTOR SHALL VERIFY SIZE,
LOCATION AND INVERTS OF UTILITIES
AND STRUCTURES AS REQUIRED PRIOR
TO THE START OF CONSTRUCTION.
S. THIS SYSTEM IS NOT DESIGNED FOR
THE USE OF A GARBAGE GRINDER.
A GARBAGE GRINDER IS NCT
RECOMMENDED DUE TO RECOGNIZED
ADVERSE IMPACTS TO THE LEACHING
FACILITY.
9. EXITING INVERTS ARE TO BE CHECKED BY
THE CONTRACTOR PRIOR TO CONSTRUCTION.
CONFIRM LOCATION & NUMBER OF INVERTS.
10. THE ENGINEER IS TO BE NOTIFIED OF
ANY FIELD CHANGES THAT MAY BE
REQUIRED.
17-71 R,Ir 0
.
349 Main Street, (RT, 28) Unit D
W. Yarmouth Massachusetts
02673
508 778 8919
PROJECT TITLE:
DESIGN FOR
SEWAGE DISPOSAL
SYSTEM UPGRADE
#43
VERNON STREET
WEST YARMOUTH
MASSACHUSETTS
PREPARED FOR:
WILLIAM N. TOWNER
74 BOSTON POST ROAD
AMHERST, NH 03031
(603) 860 4273
DATE: AUGUST 22, 2007
COMP. DESIGN: K. HEALY
CHECK: M. DIBB
DRAWN: P. HAGIST
FIELD: D. GAZZOLO / J. McCARTIN
FILE NO. 9252-EXC.DWG
DWG N0. 5822-02
SHEET 1 OF 1
JOB NO. 4-9252.00