HomeMy WebLinkAboutEngineer Plan VARIANCE REQUESTED GROUNDWATER ADJUSTMENT
310 CMR 15.21111J - SOIL ABSORPTION OBSERVED OW AT 9.15
E
SYSTEM TO CELLAR WALL. 20 ft MIN INDEX ZONENE A1W-29 POND
REQUIRED — VARIANCE TO 10 ft READING DATE OCT 18 2023
SEPARATION REQUESTED. READING 8.92
NOTES ADJUSTED AUME 11.1
GW 11.25 nn
INSTALLER MAY MOVE VENT PIPE ;OH.
uV /� ITO A DIFFERENT LOCATION. JCRUM ASS�MFL"U/� �,ALL UNSUITABLE SOILS ARE ro EVATIONO0BE REMOVED DOWN TO THE C2
HORIZON (CLEAN MEDIUM SAND). `�AND REPLACED WITH CLEAN92
MEDIUM SAND PER TITLE 5. ;
UUND O
EXISTING SEPTIC TANK IS TO BE --'
PUMPED DRY. PUNCH HOLE IN LOTS 35 & 35A Q
BOTTOM PER ABANDONMENTI
REGS AND FILL. AREA = 13480 sf-F— I01.3 . kQ
STONE DRIVEWAY AFTER INSTALL I PLAN dvG, 188 37 ft
/ ASSR MAP 59 37 1Jr OO
LEGEND LAND COURT PLAN 28410-G %`
SEPTIC COMPONENTS
ABANDON — �� MINIMALfo!.."---:
cc" GRADING
EXISTING O CA ../4 PROPOSED gA
GE
SEPTIC TANK �� ONT C, NDER
INSTALL (TY,o\�/\q�`� NOT \ CE%VED
NEW \�� ow�
SEPTIC /TANK IHN r' 202p
�
DISTRIBUTION BOX IJ I q_ggNDoN ) l
TEST PIT � I/yir
CD E.4 CEXHSTFIEL D
IN PLACE ___. , HEALTH DEP
i
UTiLIITIES w
WATER GATE o� '__ ,__
WATER LINES v c c
ISEW WATER LINE go-■ 1
co
OVERHEAD WIRE ,3 0II
POLE T UTILITY
DRAIN 1 18 L 2 � o
W
`` m ? FD rre i a o
YT TLALLER-
�, , ��ELLdG'. �O �17
OF ALL UNDERGROUND' z�i `
2�~\ \
/ DR/VEWAY T®P
®F Jtu 18
HMO �30
�L a 20.92 �� Q W
PROPOSED SOIL 40 I
ABSORPTION I I
SYSTEM _
k
t
, ,i
-SEE DETAIL I w I ON BACK I \ I 4oNtS4SOIL �� ' o `�' \W \
REMOVAL I
AREA ■ vEIVr PIPE
4' Mi vat REPAIR OF .EPTIC SYSTEM
; r dset and Lo \ septic variances. V
Jag oriRegonftesiewan1 a; , , ,�s„r.,
\ a � future add' � � ed for:
to
EDGE of.
:A'dmthHeaIthrt
� fi1 J1i /o s Uetures/dwelling.
CL DFF �� ltTHIS IS
AP P--;) . )/AL,- - fA) COLOR
- \ ,, D
PLAN
0 PLAN
USE COLOR PLAN ONLY
SCALE: I in = 2 f 1` _� FOR INSTALLATION
Nam 7)/ ABAND� EXISTING WATER FULL DETAIL IS BEST
O 2,0 4.0 VIFWFD IN
SOL LOG OG DATE: NOVEMBER 1. 2023 DESIGN C A C L A Y D O N S
SOIL EVALUATOR: DAVID D. COUGHANOWR. ASE *461 DESIGN FLOW: 2 BEDROOMS X 110 GPD = 220 GPD
WITNESSED BY: BARRY LEWIS. HEALTH DEPT.
TEST PIT GROUNDWATER at 132 Inches EL = 9.25 SEPTIC TANK; 220 GPD X 2 DAYS = 440 GALLONS
PERC AT 60 In - 2 MIN/INCH IN C SOILS ABANDON EXISTING 1000 GALLON SEPTIC TANK
ELEVATION DEPTH SOIL USDA SOIL SOIL COLOR SOIL OTHER AND INSTALL NEW 1500 GALLON SEPTIC TANK.
20.15 INCHES HORIZON TEXTURE (MUNSELL) MOTTLES
0-27 FILL DISTRIBUTION BOX: INSTALL UNIT DEPICTED BELOW.
27-38 B LOAMY SAND 10 YR 4/4 NONE FRIABLE SOIL ABSORBTION SYSTEM:
16.98_
38-102 Cl MEDIUM SAND 10 YR 6/3 NONE LOOSE THE LONG TERM ACCEPTANCE RATE FOR A CLASS ONE
9.15 T 102-135 C2 FINE SAND 10 YR 5/3 NONE FRIABLE SOIL WITH A PERCOLATION RATE BELOW 5 MINUTES
8.90 PER INCH = 0.74 GALLONS PER DAY PER SQUARE FOOT.
p p ��I Cc� /�a • THE LEACHING GALLERY DEPICTED CAN LEACH:
1500 GALLON SEPTIIC TANK BOTTOM AREA = 16.5 x 21.33
DIMENSIONS & DETAIL -1/2 (14.83 x 6.3) = 305.23 sq. ft.
SIDEWALL AREA = (16.5+6.5+16.12+
USE IM-1530 PLASTIC TANK 10.20+21.33)x2 = 141.30 sq. ft.
BY INFILTRATOR SYSTEMS INC. TOTAL AREA = 446.53 sq. ft. ,
FLOW LAPACITY = 0.74 x 44o.5 = 330.4 gal/day
CONTACT INFILTRATOR SYSTEMS TECHNICAL INSTALL THE LEACHING GALLERY AS CONFIGURED BELOW.
SERVICES DEPARTMENT FOR ASSISTANCE AT: FLOW CAPACITY = 330.4 gol/doy WHICH EXCEEDS THE
1-800-221-4436 220 gal/clog REQUIRED FOR A TWO BEDROOM DESIGN
OR GO ONLINE: INFIL TRA TORSYSTEMS.COM
SWOilL A o SORPTOOoNl
II , SYSTEM CONSTRUCTION DETAIL
"' USE SHOREY PRECAST 500 GALLON LEACHING DRYWELL
INSTALL TWO DRYWELL 6.50 ft 14.83 f t
LiUNITS AS SHOWN .,
WITH UP TO 4 FEET OF /6 w"
STONE ALL AROUND. /2 ft c°
NOT 175 6 in - 14 63 ft „
TO MARK INSPECTION o
-0
U RISER WITHbt .'" '
F PLAN VIEW MAGNETIC TAPE. 4 ; oN
0
DRYWELL
UNIT 21.33 ft
CENTER
Co E COVER IOUT R I 500 GALLON DRYWELL
El IN / v INSTALL ONE INSPECTION RISER
c 10 in LI LINENE DIMENSIONS
14 & DETAIL TO WITHIN THREE INCHES OF
o In = FINAL GRADE & INDICATE
`0 'I c 3-w a FIBER I.
LOCATION ON AS-BUILT
e> GLASS
Q' vQ_J"-' SUPPORT f
J tE
i (TYP) 0 36
■il■rr■��TTn�■ fr■rcr�t4 :: ��ii° in
SEPARATION BETWEEN INLET & OUTLET "ft..... OOpa� �USE�
TEES NO LESS THAN LIQUID DEPTH .'.... v� ��V\ UN.)my
CROSS SECTION VIEW l02 ;n �
CROSS SECTION VIEW
irINSTALL AN APPROVED GEOTEXTILE
FABRIC OVER STONE
�n p n �p M I
����1(1�II�l�lT�O11V BOX USE
3HH20Y ■ 24 in ■
3/4 !n TO ■ EFFECTIVE■ 3/4 In TO
DIMENSIONS PIPES EXITING D-BOX TO RUN LEVEL n8 1-1/2 In GRAVEL ■ DEPTH ■ 1-I/2 In GRAVEL
AND DETAIL FOR 2 FEET BEFORE PITCHING DOWN
■ ■
! :„. ,� 48 in MAX 58 in 4 48 in MAX
4 12 !n
MIN
FROM A A E = --III.
-INSTALLER TO OBTAIN DISPOSAL WORKS PERMIT BEFORE
VWTANK Lo in TO tltl�lll STARTING WORK.
y 0: "v SAS -ALL COMPONENTS INSTALLED SHALL MEET THE MINIMUM
Q REQUIREMENTS OF MASSACHUSETTS TITLE 5 SEPTIC
(co�yp CODE (310 CMR 15).
6 In STONE BASE V -ECO-TECH RAPID RESPONSE RECOMMENDS THE INSTALLATION
OF LOW FLOW FIXTURES 8 APPLIANCES. AND PERIODIC
CROSS SECTION VIEW E PUMPING OF THE SEPTIC TANK.
-SEPTIC TANK NOT DESIGNED TO WITHSTAND VEHICULAR LOADING.
DO NOT PARK OR DRIVE VEHICLES OVER SEPTIC TANK.