HomeMy WebLinkAboutApproved Septic Plan - 535 SALEM STREET 10/31/2017 (2) ELEV. (FT) DTH - 1 DEPTH (IN) ELEV. (F1 DTH-2 DEPTI-d (IN)
0019
TOP OF P,IT 99.76' 00 TOP OF PIT 1010.0'
HOR.A/FIILL HOR.A/FILL
[---101-6#........
FSL FSL
10 YR 3/3 101 YR 3/3
98.5p 15" 9 9.2' 9"
106 ........ ... 20' DIA
J, ,, , , -(I I 1 11 I'll, I � '' I
CLEANDUT COVER
HORIZON Bw HORIZON BW
3 PLACES
LS LS 10'-4'?1 SCH� 40 PVC
S=0,0
10 YR 6/8 10 YR 6/8 S-
97.0' 33pp 97.0 36" 104
------ PROP. C� 'COVERS TO 3RADE
EX GRAD "i
C-LAYER C-LAYER 5 4" SCH� 140 PVC I
S=O�01'
LS L.S
2.5 Y 6/4 2�5 Y 6/4 102
PROP. F�NISHED� GRADE
F"inished Grade jOver
_P��Ox
(CLASS 1) (CLASS 1) Z 100,56' Min.
Q VISPECwtv vuffl�
130""T. OF' PIT = 91-7' 96" BOT. OF PIT 921 - ---- 949 TO GRADE
In
�EFLFSAL. 0 NONE REFUSAL. 0 NONE V,
WATER WEEPING, 0 NONE WATER WEEPING 0 NONE 100
PLAN: VIEW
MOTTLES 0 60" (ELEV:=94.76') MOTTLES 0 60�""" (ELEV=95.00') 1" '"TAPER
6' 'T 0 P (1-1 20>
7� CH
lnv,=99.4 Pv( 4-
rZ 1 4 Rf I I i
-ESTS (PT---1 ) 0 4v 4.
_A11ON '1 4
ung, 4
DT'H-.2) AND PERCOI, QL PLASTIC
NOTE: SOIL, EXAM�NATIONS, (D"rH :7 --------
1 DOU&E 0,940 S �PIPE SEAL PLASTIC
E
WERE PERFORMED BY JOHN D, SULLIVAN III OF SULLIVAN ENGINEERING GROUP, LLC 0 J
"n "' , , , ... . ... 4" DIA
tLtv=�6 Wi 3 1RIPE SEAL
98 Inw-99 7�1 (3 INLET
ON JUILY 26, 2017 AND WITNESSED BY ISSAC ROWE OF M11 L RIVER CONSULTING 1EV� �6,5'
Approxim te a 11" DIA OUTLET
R
E
(CONSULTANT FOR THE TOWN OF NORTI' I ANDOVER BOH) ALL SOIL DOWN TO i�HE CLAYE
0 3' MK
c) AND KITHIN 5 FEET bF 'THE SYS7E'm1
CRUSHED IS 76 BE RFUOVED ND REPLACED J
L< c, LIQUID L.EVEL-
I CERTIFY THAT IN OCTOBER 1995 1 PASSED THE SOIL EVALUATOR EXAMINATION APPROVE-0 j Lr) STONE COMP�CTED KITHi CLEAN TITLE 5 SAND,
BASE ru
BY THE DEPARTMENT OF ENVIRONMENTAL PROTECTION AND THAT THE ABOVE ANALYSIS WAS 96
PERFORMED BY ME CONSISTNT WTH THE REQUIRED TRAINING, EXPERTISE, AND EXPERIENCE
DESCRIBED IN 310 CMR 15. 1
Q_
S�EE NOTE 5
PRO U �OWA VE�W-�5.0' 41-7#
f 41-4#
6" CRUSHED
DA TE:
'TONE COMPACTED
94 ....................
SOIL DATA
SYSTEM PROFILE
NOT TO SCALE SCALE. 1"=2'0' (HOR)� SHEA
1"'=2' (VERTICAL) I -
4
A 4
4 �4
4
DATE TEST NO, DEPTH BOT. ELEV. RATE .......
6" CRUSHED STONE COMPACTED BASE
��F 8 to 6 MPI
F_L2 � 1���l SECTION VIEW
WEIGHT
PERCOLATION TEST RESULTS Eq:NO TK- 500 H--,F 135# S
NOTES: M
1 CONCRETE 4,000 PSI MINIMUM AFTER 28 DAYS.
-\t414, 1
DESIGN ANALYSIS 2. DESIGN CONFORMS WITH 310 CMR 15,010, DEP
TITLE 5 REGS, FOR SEPTIC TANKS.
1 11 1...........
FI N I SH ED SEPTIC TANK i(M'O N 10 L I THI C) _4
GRADE ......
EST�MATED DNLY FLOW: (2% MIN) 1 ALL., R0NFORCEMENT PER AS�TM C1227-93.
9" MIN. EXCLUDING TOP SOIL -0 1 /2" 9 9.1 3 = 1500 GALLON
3 BEDROOM HOUSE (PER 1958 BOH SEPTIC INSTALLKFION RECORDS) 2" OF 1 /8" '1
BREAKOUT ELEV.
3 BEDROOMS X 110 GPD/BEDROOM 330 GPD (STATE REG) 36" MAX. INCL.t0NG TOP SOIL. WASH�ED STONE 4' (HIGH SIDE)
TANK VOLUME: -------
9 9.0 0,
ilk
DES�GN FLOW ......... BREAKOUT ELEV.
330 GPD 4
0 % 4 (LOW SIDIE)
330 GPD X 200% = 660 GPD 0 At
4" PERF. P,V,C, so C so 0 so 0 a 0 3
660 GAL < 1 ,500 GAL (TITLE 5 MffMUM) cc 4 06 4 4 0 00 4 to a 69P
�3 I P
',,A// 3/8"-5/8" 0, 04* �P% 4 % 1, 0 �Po 4 --w- V-5' .......
opi, !�01" 4 0 _0
0 4 . 0 �k4 4 . 0 0`4
LEACIJING AREA REQUIRED: 0,P k
ORIFICES
PERCOLATION RATE = 6 MPL (CLASS 1) 3,/4" DOUBLE WASHED STONE -1-11=pr- T (6) 4" DIA OUTLET
L.T,A,R. = 0.70 GPD/SF (1) 41/ INLEF
U
LEACHING AREA REQ1WRED: PLASTIC PIPE SEOL
330 GPID / 0.70 GPD/SF = 471 .42 SF 3w 6' 6 t 31
1/-5//
LEACHING AREA PROVIDED: --a-] 101,
8
At.
LEACHING BED : 18:' WIDE X 27' LONG 486 S�F, N
18'
486 SF >:= 471 .42 SIF REQUIRED
"TO PREVENT BREAKOUT:
3 LEACHING LINES TO BE PROVIDED 7" O�C� 2
DAILY FLOW CAPACITY: THE FINISHED SIDE SLOPES OF THE PROPOSED SOIL ABSORPTION SYSTEM WITHIN LEACHING BEL) AS SHOWN 2 1/2
(486 SF X 0.70 GPD/SF) = 340.2 GPD SHALL NO"I" BE STEEPER THAN 3: 1 . A MIMMUN 15 FO�OT HOR�ZONTAL SEPARATION ON SHEET I OF 2
340�2 GPD > 330 GPD REQ'D DISTANCE SHALL BE PECIVIDED BETWEEN THE SOIL ABSORPT�ON AREA AND PLAN VIEW SECMN V1 EW
THE ADJACENT SIDE SLOPE, LE-ACHING BED DETAIL NOTES: 6 OUTLET H - 20 L11EM 110� 8--6DBH W/COVE,R WEIGHT
L4321]
N01""' TO SCALE 1 . CONCRETE: 4,000 PSI MINIMUIM AFTER 28 DAYS.,
2, DESIGN CONFORMS WITH 310 CMR 15,,0:00, DEP 1) PROVIDE 6" CRUSHED STONE' BASE
TOP OF FND 103.32,' TITL.E 5 REGS, FOR DISTRIBUTION BOXES, 2 ALL D-BOX OU77-ETS TO BE :AT THE SAME ELEVATION
SYSTEM PROFILE
NOTE- A MINIMUM OF 9" OF COVER 3) D-BOX TO BE WATERTIGHT
_D OVER SEPTIC TANK
TO BE PROVIDE. NOT TO SCALE MECHANICAL i COMPACT Lid 00
& DISTRIBUTION BOX.
ALL PIPING 'TO BE A MIN. OF SCHEDULE 40 PVC FILL BASE M�TERIAL OF' 00
D-BOX TO INSURE LEVELI -t 00
41 RRM BASE. 0 Ir-
MIN. FlINISHED GRADE' LJJ 0 CD
�> 00
k
COVER TO GRADE OVER D-BOX 100,56' rIRST TWO FEET FINISHED GRADE
20" DIA. CAST IRON COVER TO BE SET LEVEL 2% SLOPE (MIN,) D-BOX OUTLET) BY SHEA CONCRETE PRODU CITS <
--- ---------------- ................ ...... ---------- .......... X :,�i
OUT OF' D-BOX
C) L0
------ _2" OF 1/8" TO 1/2" N�T,Sl . 0
Q m 00
WASHEDSTONE
DISTRIBUTION BOX
_.��10')_ 4" SOL N_
WATERTIGHT
4� -+--20 LOADING 00
'-S' Space, got 3 513p a e (5) 4 btz VAR, S 9" MIN, EXCLUDING TOP SOIL
4 ' 36"' MAX. INCLL0NIG TOP SOIL. 'OP SrONE 0 r
w Line SOLID PVC SCH. 40
(S 0. 4" PERF. SCH, 410 PIPE 7
,OPP OLID P\/C SCVI� Q)
02 M fN) Flo
------------- TOP STONE W/ 3/8"-5/8" ORIFICES EL.=99.00'
d. 14 S=:01.01 _zzo 01 P S=0.005
EL.=99.47' 3"1 EL.=99. 13
r"T77 CAP
PROPOSED
EL.=99.2'7' ZABEL FIL7ER 6" CRUSHED
A 100-8X18VC STONE BASE EL.=98.6J 60' OF 3/4** EL.=98.50,
LjjJ
(WATERTIGPIT MONOUTHIC) (H-20 RATE[)) DOUBLE WASHED 'STONE SEPTIC TANK' QUOYANCE CALCULLIAT101\j:
EL.=98.80 C)
WA TE R TI G H T MECHANICAL COMPACT EL.=98,00' BOTTOM OF SEPTIC TANK = 95.24'
'Cl ii._:_____:o`_ i 0 - MAX SEASONAL GROUNDWATER TABLE = 96.0'± (AT TANK LOCA770N,,)
A EL�=99.02' EL.=96.97 FILL BASE MATERIAL OF
6" CRUSHED STONE BASE ------ D-BOX TO INSURE LEVEL/ 3' MIN
FIRM BASE. GROUNDWATER UPLIFT FORCE: 10.5' X 5,67' X O�7'6' X 6�2.4 LBS = 2,823 LBS
ELEV. = 95.01 _,i i
10' IVIIN� TO BLDG, 1500 GALLON CONCRETE NOTE: FLOW EQUALIZERS (BASED ON DTH#2) WEIGHT OF' TANK (EMPTY): 12,930 LBS NOT TO SCALE
SEPTIC TANK (MONOLITHIC) TO BE PROVIOED A 7" ALL WEIGHT OF SOIL, OVER TANK (9" MIN): 5,051 LBS OA rEi SEPT. lo 2017
20' MIN� TO BLD& OUTLETS FROM D--BOX LEACHING BED: 18' WIDE X 27' LONG
------ TOTAL WEIGHT (TANK + SOIL): 17,981 &E > UPLIFT FORCE (2,823 LBS)..0K ,7HEE r,
LOCAL UPGRADE APPROVAL REQUESTED (4' REQUIRED, 3" REQUESTED) 2 of 2