HomeMy WebLinkAbout- Plans - 693 JOHNSON STREET 10/14/2021 (3) FINISH GRADING OVER THE SYSTEM SHALL BE SUFFICIENTLY COMPACTED
27 L.F. TO PREVENT DEPRESSIONS AND SHALL BE A MINIMUM OF 2Y IN ANY
24" DIA. Cl. MANHOLE RAISED 4" DIA. SCH. 80 PVC PIPE DIRECTION AND SHALL BE AS SUCH TO DIRECT SURFACE DRAINAGE AWAY
*B.M. T.F.=100.0 F.G.=98.2t TO WITHIN 6" OF F.G. 5=0.01 (MIN.) FROM THE SOIL ABSORPTION SYSTEM
EXIST. " (MIN.) EXIST. 36" MAX. 9" MINIMUM BACK FILL OVER SYSTEM (EXCLUDING LOAM)
9" MIN. CLEAN AND FREE OF STONES GREATER THAN 6 AND FREE
/ MAX. FG=97.4 6 OUTLET CONC. DIST. BOX 10" OF 3/4"-1 1/2" OF CLAY, TAILINGS OR SIMILAR MATERIALS
MIN. FG=94.5 PROVIDE MAGNETIC MARKING TAPE STONE 4" SCH 40 PVC INSPECTION PORT
OVER COVER BEFORE BEING BURIED 9" MINIMUM BACK FILL OVER SYSTEM (EXCLUDING LOAM) FROM BOTTOM OF CHAMBER TO
25 93.9 RAISE TO WITHIN 6" OF FIN. GRADE CLEAN AND FREE OF STONES GREATER THAN 6 AND FREE 2" OF 1/8"-3/8" STONE WITHIN 3" OF F.G. W/THREADED CAP
PROP. RELOCATE AND RAISE .. L. IF REQUIRED
SEWER PIPE AS SHOWN 4" DIA. SCH. 40 PVC PIPE FIRST TWO FEET OF CLAY, TAILINGS OR SIMILAR MATERIALS
SEE LEACHING FIELD FINISH GRADE TO BE
CORE FDTN AS NECESSARY :;• S=0.02 (MIN.) ON CONTINUOUS SHALL BE SET 93.0) LOAMED & SEEDED 3"
SEAL W/ HYDRAULIC CEMENT GRADE. S=0.175 (PROP.) TEES 36" MAX. LEVEL MAX. FG=95.0 SIDE SLOPE END NDETAIL FOR TYPICAL MINIMUM
MIN. FG=93.0 / 9" (MIN.2" 92.0
12" MIN. B.O. EL.
:., �ID ON COMPACT FIRM BASE 2" OF 1/8"-3/8" STONE 3
PLUG EXIST. SEWER ° 92.00 °
INV.=97.00 PROP. s INV.=91.50 4" coo 0,
EXIST. C.F.=93.Ot 93.12 (EXIST.) �4" DIA. PERF. SCH. 40 PVC S=0.005 FT./FT. INV.=91.50 g" too0 1
I INV.=92.37 S�, I I I
a°• EL.=91.00 '8
INV.=92.62 °°°d•8po . oe8•b° EL.=91.00 40 MIL HDPE GEO-MEMBRANE
1500 GAL. CONC. INV.=91.84 UPTURN & INTERCONNECT TO 1TO XOEFTD INTO EX FROM OGND.ONE
SEPTIC TANK INV.=92.10 PIPE ENDS WITH SOILD
INV.=91.93 (4) SCH. 40 PVC PIPE 5.0' 5.0 2.5 5.0' (2 SIDES-SEE PLAN)
PROVIDE GAS BAFFLE 10" (TYP.)
EXIST. 91.St AT OUTLET OF 3/4"-
(ESTIMATED) ALL DIST. BOX OUTLETS ® 1 1/2" STONE *3' (MIN.)
SAME ELEVATION *LOCAL UPGRADE APPROVAL REQUESTED 20 FT. 10 FT
6", 3/4 - 1/2" CRUSHED STONE 67 FT. FOR OFFSET TO ESHWT FROM 4' TO 3'
88.0
ESW
88.04 ON NATURAL LEVEL BASE OR
ESWT MECHANICALLY COMPACTED SOIL LEACH FIELD
SEASONAL
6", 3/4 - 1/2" CRUSHED STONE - END SECTION
HIGH WATER 88•0 rl.40 F INTO EX. GND.
ON NATURAL LEVEL BASE OR NOT TO SCALE
MECHANICALLY COMPACTED SOIL
GRAPHIC PROFILE
NOT TO SCALE
�3" (TYP.)
3-20" DIA. CLEANOUTS
TYP.
5'-8„ 000
a;
13"
(MIN.)
17" 13
T.F. HSE #693 Y•,e (MIN.)< 6
EL.=100.0 ° OI ITI FT
'� CONC. D-BOX
100 10'-10"
TOP VIEW
TOP VIEW
4" (1) 4" DIA. INLET
\ EZE)
RISERS & COVERS SCH. 40 PVC TEES LOCATED 3" CON. COVER
PROP. RELOCATE AND RAISE ON CENTERLINE OF TANK
SEWER PIPE AS SHOWN \\ TO. WITHIN 6 OF BENEATH COVERS
CORE FDTN AS NECESSARY FIN. GR. + SCH. 40 PVC TEES LOCATED
SEAL W/ HYDRAULIC CEMENT \ T3-
•'' °;;� ° ON CENTERLINE OF TANK
IST MIN. 3 MIN. BENEATH COVERS6-4" �YPOUTLETS
VED FLU MIN. 6" MIN.
RIV
PROP. VENT FLOW
EX 13" MIN. 14" MIN. 20"
f� "% 1500 GALLON PRECAST
CONC. SEPTIC TANK Q
PROP. H-20 DIST. BOX
O O 4'-7" + (H-10 LOADING) +
RAISE TO WITHIN 6" 4'-4" 2" WALLS
OF FIN. GR. PROVIDE GAS BAFFLE :a• ^'• (TYP.)
C� AT OUTLET g „:
PROP. GR.
EXIST. Ot
17"
40 MIL HDPE :a• ' :• •.' ••.' ., •••11
°
27'-4" SC \ GEO-MEMBRANE 000000000000000000000000000000000000000000000 000000000000o SECTION VIEW
80 P o°o°o°o°o°o°o°o°o o°o°o°o°o°o°o°o°o°o°o°o°o-o°o°o°o°o°o°o°o
S=o.o10
- ` y' • o-. SECTION NOTE: ALL INLETS & OUTLETS SHALL BE SEALED
- _ 3 WITH HYDRAULIC CEMENT. DISTRIBUTION
NOTE: ALL INLETS, OUTLETS, JOINTS, AND COVERS BOX SHALL BE WATERTIGHT.
EXIST. 91.51 SHALL BE SEALED AND MADE WATERTIGHT.
(ESTIMATED) TEES ,� c
- _ - 1.0 FT INTO MONOLITHIC D-BOX NOT TO SCALE LJ ITEM #B-6DBH
SEPTIC TANK DETAILS (H-1 o)
PROP. SHEA CONCRETE PRODUCTS, INC. ITEM TK-M1500 DISTRIBUTION BOXES SHALL BE CONSTRUCTED
3' # AND INSTALLED IN CONFORMANCE WITH
APPROX. LIMIT OF LEACH FIELD NOT TO SCALE 310 CMR 15.232. DISTRIBUTION BOX SHALL
SOIL REMOVAL BE WATERTIGHT.
SEPTIC TANK CONSTRUCTION AND INSTALLATION SHALL
PROP. 1500 GAL 88 0 CONFORM IN EVERY WAY TO 310 CMR 15.223, 15.228,
MONOLITHIC SEPTIC AND 15.231 UNLESS OTHERWISE NOTED. CONSTRUCTION
TANK ESHWT AND PLACEMENT OF TEES SHALL CONFORM TO 310 CMR
15.227.
cz M DEEP TEST RESULTS PERC TEST RESULTS
m rn rn rn rn
•
T-4 T-1 T-2 T-3 P-1 P-2
PROFILE *SEE PARTICLE SIZE ANALYSIS
EL.=91.3 EL.=92.7 EL.=92.7 EL.= - 46"+16"=62„ DATED OCTOBER 13, 2021
HORIZ. 1"=20' DEPTH BY TERRA FILTER
SCALE: VERT. 1"=2' FILL 25" FILL 22" FILL 27" SOAK TIME 15
87.3 F.S.L. 10YR 3/2 32" A DEPTH OF SOIL 90.0 F.S.L. lOYR 2/2 32" A DEPTH OF SOIL 90.3 F.S.L. 10YR 2/2 28" A F.S.L. 10YR 3/2 6" A 12"-9" DROP 63
TT S.L. IOYR 4/6 44" B REMOVAL/7\� S.L. 10YR 4/6 44" B REMOVAL S` S.L. IOYR 4/6 39" B S.L. IOYR 4/4 7" B 9"-6" DROP 85
PERC RATE 29 M.P.I.
S.L. S.L. S.L. S.L.
(UNCOMPACTED) C 2.5Y 5/4 C 2.5Y 5/4 C 2.5Y 5/4 C TEST DATE: 7-13-21 UPGRADE PLAN OF
ABANDONED ENGINEER: BILL DUFRESNE
82.4 106" 83.7 107" 84.3 100" - 52" INSPECTOR: DAN OTTENHEIMER SUBSURFACE SEWAGE DISPOSAL SYSTEM
48" 58" 59" 2'4" IN
D.W.T. ® DWT• ® DWT• ® DWT• ® NORTH AND 0 VER MASS.
E.S.W.T. ® 48" E.S.W.T. ® 56" E.S.W.T. ® 56" E.S.W.T. ® 18" �
EL.= 87.3 EL.= 88.0 EL.= 88.0 -
AS PREPARED FOR OWNERS.
EL.=
TEST DATE: 9-3-21 TEST DATE: 7-13-21 S TE VE MO UZA KI S
EVALUATOR: BILL DUFRESNE S.E. #640 DEEP TESTS AND RESULTS ARE PROVIDED TO EVALUATOR: BILL DUFRESNE S.E. #640 �N 693 JOHNSON STREET
INSPECTOR: DAN OTTENHEIMER DEMONSTRATE SOIL SUITABILITY FOR THE PURPOSE INSPECTOR: DAN OTTENHEIMER c � SSA
SCALE: AS SHOWN DATE: 7-18-21
o OF COMPLIANCE WITH TITLE 5 AND WERE NOT VLADIMIR
ASSESSORS MAP # 38 LOT 75 SUBDIVISION LOT # 8
INTENDED TO BE USED FOR CONSTRUCTION
o NEMCHENOK
ESTIMATING. THE DEPTH OF EXCAVATION MAY NOT ✓�
vII,,Q Ul
En
W BE REFLECTED IN THESE RESULTS AND SHOULD BE o No.
�� RFGI STERN MERRIMACI� ENGINEERING SERVICES
7-30-21 WRD WETLAND BUFFER ZONE FLAGS �a
o DETERMINED IN THE FIELD BY THE CONTRACTOR.
ANY USE OF THESE RESULTS FOR ESTIMATING 2 10-14-2 WRD PER B.O.H. LETTER DATED 8-16-21SIONAL E '\� 66 PARK STREET
PURPOSES SHALL BE DONE SO AT THE CONTRACTORS
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RISK. ANDO VER, MASSACHUSETTS 01810 SHT 2 OF 2