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4""OVED BY: DRAWN BYjpj^:�7
DATE: / REVISED
ROUTE 6A v ASSISSORS MAP: 95 TEST HOLE LOGS NOTES..
LL 4pP PARCEL- C22
�S 1. VERTICAL DATUM. ASSUMED FROM QUAD (NGVD +f-)
CURRENT ZONING: R-40 ENGINEER: THOMAS McLELLAN, P.E. 2. MUNICAPAL WATER IS AVAILABLE.
BUILDING SETBACKS: WITNESS: PETER BRYANTON 3. SCHEDULE 40 - 4" PVC PIPE TO BE USED THROUGHOUT SEPTIC SYSTEM.
4o
F. 30' St20, R: 20' DATE: 11-20-95 4. ALL PRECAST UNITS TO CONFORM WITH AASHTO H-10 & H-20
PERCOLATION RATE: < 2 & 10 MINfIN LOADING SPECIFICATIONS.
cy FLOOD ZONE: C 5. PIPE PITCH = 1/4" PER FOOT, (UNLESS NOTED OTHERWISE).
°yam A�A44.0 46.0 TH-1 TH-2 6. FIRST 2' OF PIPE OUT OF D -BOX TO BE SET LEVEL.
�� 4o o A HolUzoN ELEV o A! A HORIZON
Ev 7• THE SEPTIC SYSTEM HAS NOT BEEN DESIGNED TO ACCOMODATE THE
LOCUS SANDY LOAM SANDY LOAM USE OF A GARBAGE DISPOSAL.
8' 2SY 3 1 432 25Y 4 4 45S -
HELMSMAN DR S. ALL CONSTRUCTION DETAILS ARE TO BE IN CONFORMANCE WITH THE
B HORIZON B HORIZON
SANDY LO" SANDY LOAM STATE OF MASS. ENVIRONMENTAL CODE (TITLE FIVE) AND LOCAL
LOCATION MAP4Cl HORIZON Cl HORIZON 4. 4 24' 2.5Y 6\8 42.0 24 25Y 6\8 44D HEALTH REGULATIONS.
LOT 22 (15,733 SF) SILT LO" SILT LOAM 9. CONTRACTOR TO VERIFY LOCATIONS OF ALL UTILITIES PRIOR
Ii ,4`546 48' 2.5Y 6\4 40.0 60' ZSY 5\4 4fA
i UTILITY CLUSTER C2 HORIZON TO CONSTRUCTION.
SANDY LOAM C2 HORIZON
W 10. GROUND COVER OVER ALL SEPTIC SYSTEM COMPONENTS NOT TO
3. 4� 2SY 6\s LOAMY SAND PERC EXCEED 3.0.
AV 4791 (BANDS OF SILT LOIY) 36.4 2SY 6\4 E—
C3 HORIZON FERC 10 MIN/IN 11• ALL UNSUITABLE SOIL (TO A DEPTH OF LOAMY SAND HORIZON) TO BE
48
LOAMY SAND E- REMOVED WITHIN 5' OF LEACHING AREA AND REPLACED WITH CLEAN
144' 25Y 6\4 32D f20' 36.0 MEDIUM SAND.
N 49 NO GROUNDWATER ENCOUNTERED
SEPTIC SYSTEM DESIGN f
v 420 / r r \
\\o ! / 1' FLOW ESTIMATE:
!
T. \': \ -3- BEDROOMS AT 110 GAL/DAY/BEDROOM = 330 GAL/D`A`Y�o; DECK
ssF
1 \: pn \\ \' • .49 SEPTI�T TANK.
\ V l AL/
' • 330 x 2 DAYS = 660 GAL
41.2 I' • \• � \ �•� ,. '•• USE PROPOSED
1500 GALLON SEPTIC TANK
BENCHMARK AT { \ \ \ \ �y� z4' 3 BEDROOM 26.
WOODEN STAKE
ELEVr 40.0 #1 \ 1 ' O .�'.. }s LEACHING AREA: DWELLING
< ` A GARAGE
4 I I \ \ 1
48 USE 4 FLOWDIFFUSORS WITH 3' OF STONE AROUND r4'
61 \ SIDES. 4' AT ENDS AND 1 UNDER (40'x 10'x 2' DEEP) 16, !gs 1¢
7\ \ :' A \ SIDE AREA: (40 + f0)2 x 2 = 200 __(S6) = f1z GAL/DAY
�'' . - 47 PROPOSED DWELLING
\ 1 T \ 1 UOTTOM AREA: 40' x f0' = 400 SF (S6) = 224 GAL/DAY
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OLD TH
/ 1 1 TOTAL CAPACITY = 336 CAL/DAY
32 .;
-SEPTIC SYSTEM SECTION 2" PEASTONE
47
COVERS WITHIN 12' OF 3/4" — 1 1/2"
46D (o(NaSI
FINISHEDGRADECOVER WASHED STONE
'PO BE WITHIN 6' OF GRADE) -
' J { -'•. v TOP OF FOUNDATION
1
A �� l ELEV.= 42.5
{
42.55 o e
4x4 Ettc P 1 { l / 42.8 ELEV. D- OX
1 '2 6" OF STONE UNDER OR 2,53 STONE 4236 4 3996
\ 0 / ELEV. SEPTIC TANK 4253 (6" OF ELEV. f-�'
ELEV.
r (--- 40' -- ---
\ \ mom. ,o 43.0 MECHANICALLY COMPACTED) UNDER):,., 4196
{ 1 1 r ELEV.4 FLOWDI'FI'U50RS'1 I 3' OF SiONL
TEE SIZES: ELEV, AROUND,SIDES, 4' AT BY DS AND.1' UNDER
\ I (40 x 10 x 2' DEEP) (H-20)
\ 1 1 r INLET: 6- UP, 13" DOWN
41 \ \ r ! X48 OUTLET: 6- UP, 14' DOWN
42 \ 1 r r
43 / SITE AND SEWAGE PLAN
KEY: l l I r
EXISTING CONTOUR: 44 / / / / APPROVED BY: DATE:
PROPOSED CONTOUR: •... ""' / / LOCATION.'
EXISTING SPOT ELEVATION 25,5 / / �'" .: ; r` N 36 HELMSMAN DRIVE
PROPOSED SPOT ELEVATION:• 25 / �' .,ks�, '" ,
TEST HOLE: /4s H,
UTILITY POLE: -0-. 4 x" Gln Al l rk,.z,9 s�
MA
FENCE LINE: — — — / PREPARED FOR
HYDRANT: -�
DM M�'\� REEF REALTY
RETAINING WALL:=�j.� o(�
TREE: ; • } DEMAREST—McLELLAN ENGINEERING SCALE: >• = 20' DATE: 11/21/95
v 24 SCHOOL STREET P.O. BOX 463 �V'! �XF RE71 CE: LAND COURT CASE #136472
DM 95-136 (D15F30) WEST PHONE hDENNIS. •MASS sss SETTS 02670 THOMAS MCLELLAN, P.E. JOHN yl. DEMAREST JR., b LS { ' ��
REVISED: 1-10-97
tr l £ t 03J M.