HomeMy WebLinkAbout96.42 - Septic DesignEST.
SOIL TEST PIT DATA: JANUARY 29, 2003 SEPTIC TANK DETAIL: 1,500 GALLON DISTRIBUTION BOX DETAIL: NOT TO SCALE
NOT TO SCALE NO. OF OUTLETS 5
TEST PITH- TEST PIT #2 HIGH GROUNDWATER COMPUTATION NOTES: 1. SEPTIC TANK SHALL BE STEEL s. INLET AND OUTLET TEES TO BE CAST IRON, FINISHED GRADE
GRD. EL. 26.5 GRD. EL. 26.0 REINFORCED CONCRETE. SCHED. 40 PVC OR CAST -M -PLACE CONCRETE.
TEES TO BE CENTERED UNDER MANHOLE COVER. +� 2• WALLS
(BASED ON TPN 1) REM�V I NOTLlN
111 �f , 81
LOAMYB SAND
10YR 5/4
EL = 24.5 2
64"
MEDIUM SAND
2.5Y 6/4
1
EL = 16.5 1
V
W.
EST.
2. SEPTIC TANK TO WITHSTAND N -1O LAAOMO CO
UNLESS UNDER PAVEMENT. DRIVES OR
DEPTH TO WATER(OR BOT. OF HOLE) 9.0' TRAVELED WAYS, WHEREIN H-20 LOADING �:n..t�n�..�n:n....,:n.;• 2 1. DIST. BOX TO WITHSTAND H-10 LOADING
SHALL APPLY. -7- UNLESS UNDER PAVEMENT, DRIVES OR
3. ALL PIPE CONNECTIONS AND CONCRETE I T TRAVELED WAYS WHEREIN H-20 LOADING
]2" WATER LEVEL RANGE ZONE INDEX WELL A1230 2-24 DIA CONCRETE MANHOLES
CURRENT DEPTHOINDEX WELL(1/03) 24.1 CONSTRUCTION SHALL BE WATERTIGHT. W/ METAL HANDLES BROUGHT 1 ,- 15- SHALL APPLY.
WATER LEVEL ADJUSTMENT 3.6' 4. FILL ALL UNUSED KNOCKOUTS WITH T6 8' OF FINISH GRADE B' 2. PROVIDE INLET TEE OR BAFFLE WHERE
24" DEPTH TO ADJUSTED HIGH WATER 5.4' MORTAR. 5' 5,5. OUTLETS a
1EE TO BE UNDER SLOPE OF PIPE EXCEEDS 0.05 FT./FT OR
M.H. OPENING t 30 -r IN PUMPED SYSTEM.
4• BOTTOM ON IFVEL L 2 3. FIRST TWO FEET OF PIPE OUT OF DIST.
I - RAISE M.H w,� 6• MM. 3/4' TO BOX TO BE LAID LEVEL
HIGH GROUNDWATER COMPUTATION f 10'-6' BRICK , .�..: - ::� _ STABLE BASE CRU
(BASED ON TP#2) I 10'-0' MORTAR CROSS -BECTON 12 4. ALL PIPE CONNECTIONS AND CONCRETE
` 12• S E BASE CONSTRUCTION SHALL BE WATERTIGHT.
NORM wAT
:.
LEACHINGP • • SCALE
3a* MAX COVER
FINISHEDGRADE
LOAM & . .
CAP ENDS
/�• + i+bY
a/i-w i �tM'�L•il� e� �i.'l"L {TWl{:it_t ,jlJ'L� 1+1 i�:'�ai:
DEPTH TO WATER(OR BOT. OF HOLE) 8,5' .. �' 5. FILL ALL UNUSED KNOCK TS WITH MORTAR.
INDEX WELL Al 230 PRECAST SEPTIC TANK INLET
14'
WATER LEVEL RANG= ZONE �_ r MIST lEE S'-1- 30 1/2- at v
CURRENT DEPTHIMNDEX WELL(1/03) 24.1 - - r5' -
C' 4' -5 -MIN.• 5'-80
MEDIUM SAND WATER LEVEL ADJUSTMENT 3.60 _ _ _ LIQUIDD TH 15 1/2-
2.5Y 6/3 DEPTH TO ADJUSTED HIGH WATER 4.9' - S'-8- I PRECAST DIST.
102" it 1 BOX
INDICATES y .:: ': :: a:: %x•::: = �+.•:
120" Z ESTIMATED �
EL = 16.0 - SEASONAL HIGH BOTTOM ON LEVEL STABLE BASE 3- '7 7 •.•)
DATE: DATE: GROUND WATER PLAN VIEW 8. MM 3/4' TO �, /�
1/29/03 1f29/03 INDICATES 1 1/2- STONE CROSS-SECTTONVIL-W PLAN VIEW
TEST BY: TEST BYy OBSERVED /
- 2
34' -
PROFILE
,2% MIN. nqisH GRADE
r n-
Ale
J -.•J :•J �•J �1
36- MAX. - 12- MIN. COVER
/-- 4- MIN. LOAM A: SEED
2- MIN. OF 1/8• TO
1/2- WASHED STONE
TO 1-1/2- DOUBLE
ED STONE (NO FINES)
THE BSC GROUP, INC. THE BSC GROUP, INC. - GROUND WATER /'3 OPEN SPACE CB/DH
CB/DH
WITNESSED BY: WITNESSED BY: INDICATES SET (UNBUILDABLE) SET DESIGN CRITERIA'
AMY VON HONE AMY VON HONE IO°34'S3" E �' •SO' '
PERC.
PERC. RATE: PERC. RATE: TEST I / DESIGN FLOW?
<2 MINANCH a MINANCH - i / '-- / / LEGEND 4. BEDROOMS AT 110 G.P.B./D 440 G.P.D.
SOIL EVALUATOR SOIL EVALUATOR ❑ INDICATES -
CRAIG FIELD CRAIG FIELD UNSUITABLE UNDISTURBED -"Jti
MATERIAL
SOIL CLASS: SOIL CLASS:-"'-VEG ATED / 29.8 PRO OSED SPOT ELEV.
REQUIRED SEPTIC TANK:
t t BUFFER / / 440 X 200% = 880 GAL.
L.T.A.R. L.T.A.R. _ T.O i TOP OF FOUNDATION SEPTIC TANK PROVIDED: = 1500 GAL.
0.74 G.P.D./SQ.FT. 0.74 G.P.D./SQ.FI•. -29-�
BUILDING/ _/ F F. FIRST FLOOR SUBFLOOR
--. ' - ' - ' - ' - ' SIZE OF LEACHING FACILITY REQUIRED:
DATUM : _ _ ENVELDPR-(`fYP) / DESIGN PERC. RATE: <2 MIN./ INCH
VERTICAL DATUM: NGVD N/F 31 / IP LONG TERM APPL. RATE 0,74 G.P.D/S.F.
BENCH MARK USED: TOWN OF YARMOUTH MONUMENT #15 ELEV.=74.22 YARMOUTH HOUSING AUTHORITY OF
BENCH MARK SET: P.C. BOUND ELEV 33.13' (42.7' FROM LOT CORNER) ASSESSORS MAP 96 If IG,A ` 4A{0 GPD + 0,74 GPD/SF = 596 S.F.
PARCEL 34 RAMI' FIELD H
PROFILE: NOT TO SCALE 33.2 No.38039 SIZE OF LEACHING FACILITY PROVIDED:
I SCREENED 31.3 / 4'�°
TOP FOUNDATION FIRST EL-APIPE LENGTH GES PLAN ISAL FOR DESIGN AND t / PORCH 25• 3-2' WIDE. 2' DEEP, '
CONCRETE covERs TO WITHIN TO BE SET LEVEL CONSTRUCTION of THE SEWAGE I 3l 3^^�^%'�fA�,.•� 34 LONG TRENCH
EL -31.1 6. OF FINISHED GRADE. FOR MIN. 2' 7
DISPOSAL FACILITY ONLY W'' i2�
FISH aeADE2 ALL CONSTRUCTION METHODS AND +� LOT 8 / /Dy 3<(2/+2'+21)x34' = 612 S.F.
4' PVC (PERF) MATERIALS SHALL CONFORM TO MASS. l� 16.0 B`
❑F LEACHING AREA
. _ D.E.P TITLE 5 AND LOCAL ROAM ( - N/F ?' ' 6,E x 0.74 CTPD / SF = 452 GPD
r 4' f L
4= pOF HEALTH REGULATIONS.
2•-1 9'-3 8' DOUBLE WASHED STONE J. LL PIPES LOCATED UNDER PAVEMENT \ I YARMOUTH HOUSING AUP OIR= LOT % PROVIDED
/4•-1 1/2 DOUBLE WASHED STONE OR TRAVELED WAY SHALL BE SCHEDULE
=s I o 40 OR EouAL ASSESSORS 96 TEST N/F
I -E I -G 1-H 4. THERE ARE NO KNOWN PRIVATE WELLS Z PARCEL
I -C 5 OUTLET I -F c LOCATED 1WTHN 150 FT. OF THE PTT 2 YARMOUTHRH03yUSING
DIST. BOX I PROPOSED LEACFffNC FACILITY NOR 1 16,04 S.F. 13.
SEPTIC TANK in BOTTOM EL- J ANY KNOWN WELLS PROPOSED WITHIN /
150' OF ANY KNOWN LEACHING FACILITY. \
HIGH WATER EL -K S. WHIN LT OF EXCAVATION REMOVE 33.2
MASSESSORS MAP 96 I
ALL TOPSOIL, SUBSOIL AND OTHER / PROPOSED 3 ,3 PARCEL 41 �
IMPUMOUS
6. REPLACES WITHATERIALCLEAN WASHED SAND I O 4 BEDROOMS LOCUS INFORMATION
uo� T.O.F. 32.0 RAMP
OR OTHER CLEAN GRANULAR SOILS
INVERT ELEVATIONS. CONFORMING TO THE FOLLOWING I .'� F.F. 33.2
SEW ANALYSIS: CURRENT OWNER: YARMOUTH HOUSING AUTHORITY
10% (MAX) BY WT. SHALL N TITLE REFERENCE: BOOK 6969, PAGE 63
TOP OF FOUNDATION 32.00 A PASS No. 50 SIEVE I N N 31.5
d0 a OF No. 4 SIEVE STALL
29.10 B Ot
4" INVERT AT BUILDING P "O 100 `�-� PLAN REFERENCE: BOOK 469, PAGE 97
4" INVERT AT SEPTIC TANK (IN) 28.77 C 6 x OF No 4 SIEVE SHALL •U„ 31.3 A�
PASS No. 200 y I, . ` ASSESSORS MAP: 96
„ UNIFORMITY COEFFICIENT O No. 4 I ✓ r� N
4 INVERT AT SEPTIC TANK (OUT) 28.64 D SIEVE -60 \ 0 27-V o PARCEL: a2
4" INVERT AT DIST. BOX (IN) 28.52 E 7. EXISTING UTILITIES WHERE SHOWN \ 31.8
„ F IN THE DRAWINGS ARE APPROXIMATE. \ 31.9 •, ST PTT 1 °F � ZONING DISTRICT: R�0 CLUSTER SUBDIVISION
T BOX OUT 28.35 - I 1 _D -BOX _ _ 11 �t "''SS sETBAcxs: FRONT iZ
4 INVERT AT DIS (OUT) THE CONTRACTOR SHALL BE RESPON 2 / s
SMILE FOR PROPERLY LOCATING AND c S- . _ W DAVIPIN
INVERTS AT LEACHING FACILITY:
COORDINATING THE PROPOSED CON- 1 J 8 cCPAL y ` REAR zo'
STRUCTION ACTIVITY WITH DIG -SAFE / r 1 / No. 32112 ► MINIMUM LOT SIZE: 10.000 S.F.
AND THE APPUCABLE UTILITY t"1 1 1� 1
COMPANY AND MAINTAINING THE 1 BTT. CONC. ` - ` EXI:iT. TOTAL LOT AREA: 16,043 S.F
4" INVERT AT BEGINNING EXISTING UTIUTY SYSTEM IN SERVICE
OF LEACHING TRENCH 28.29 G BREAKOUT 28.9 DIG -SAFE SHALL BE NOTIFIED PER 1500 I I I 1 1� 1 Y .� D DRIVE j o �O� OVERLAY DISTRICT: ZONE IUAQUIFERPROT.DIST.
THE STATE OF MASSACHUSETTSI GALLON I 1 ' 1 1 1 1 1 I% slope E. T M FEMA FLOOD ZONE -c-
STATUTE CHAPTER 52 SECTION 409 I1 1, i
4" INVERT AT END
000
OF LEACHING TRENCH 28.1 H AT TEL 1-585-344-7233. THE SEPTIC I I1 : jj g min .., 31.3°' 0 C1 ZONE DISTRICT: PANEL N25o0153C
ENGINEER DOES NOT GUARANTEE I TANK 111x11 1701 Z
r� I
ELEVATION AT BOTTOM THOR ACCURACY OR THAT ALL 11
UTILITIES AND SUBSURFACE STRUCTURES / 1 1 I 11 1; LIMITS OF XCAVATION
OF LEACHING TRENCH 26.1 J ARE SHOWN. LOCATIONS AND 111 I I
ELEVATIO14S OF UNDERGROUND U71UTES -: SEE NOTE 5& 6
ESTIMATED GROUNDWATER TAKEN FROM RECORD PLANS. THEN❑ SCALE
ELEVATION 21.1 K CONTRACTOR SHALL VERIFY SIZE• I l!1` 31`2`' I LOCUS PLAN.
LOCATION AND INVERTS OF UTILITIES 1 I
AND STRUCTURES AS REQUIRED PRIOR I .,� 1 t : 1 1 I 1 r� -�Y
TO THE START OF CONSTRUCTION. ,1 � , 6A / '"`{/
] THIS SYSTEM IS NOT DESIGNED FOR 1 I I I Ya. mouth F-!�'_th r,'prrtF^"_'^S
VARIANCES REQUESTED. THE USE OFA GARBAGE GRINDER. 11 I I
A GARBAGE GRINDER Is NOT
RECOMMENDED DUE 1n RECOGNIZED�f l : f : � L -1 32
ADVERSE IMPACTS TO THE LEACHING ' L 1 • O `
TOWN OF YARMOUTH VARIANCE REQUEST: FA°I'TM' '� �• N [ t"
/ \... - .. PSI
-_ _ _ - CENTRAL
1.) SECTION 3.7: TOP OF FOUNDATION TO BE 1.4' BELOW PROPOSED 0 _ RR. "C
FINISHED GRADE AT HIGH POINT IN ROAD. H.P. 33.36 �� 30 16.2' I ��
tp.
24.0'
OPEN SPACE / ti / (10'MTN} 33 LOCUS
ZONE II NOTE: PLAN VIEW (UNBUTLDABLE �: _
O / 7 5.00 6
A 1' = 10 FEET / / / I �HH EXIT 7 EXI 8
AS THE LOT IS LOCATED IN A Zi0NE II, THE OVERALL AREA OF THE OPEN SPACE SCALE: EE
IL
BENCHMARK
B
L +
55
y �i
SUBDIVISION WAS TAKEN INTO ACCOUNT TO ALLOW 4 BEDROOMS. 0 5 10 20 CONC. BIND./ / G'
L=42, 1' (40' WlDt PUBLIC)
33.13 i
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