HomeMy WebLinkAbout10385RESCA-SP01B - Plans - 877 JOHNSON STREET 9/12/2024 FILTER FABRIC MIRAEI 14ON TO
F/NI SHED GRADE ENCLOSE 70P&SIDEWALL AREAS &; i FILTER FARNA To BE
INLET PIPE DOWNSPOUT OPENING FILTER FABRIC To BE I op e , I INSTALLEK ALONG
INSTALLED ALA_ Ibe O 24" EXCAVATED SYDEWALL
a � INFILTRATOR QUlCK4 ExcA VA TIED SIDEWALL
STANDARD UNIT I O
CM r
I2"MIN �' (3Y'W 48"L=12'U 3�4" WASHED o W °
IN m Ao, SPLASH PnD W I BOTTOM OF TRENCH
AR
z"PEAsroNE '° .' '--- -- - ---------T TOP UNIT EL STONE 2'
Ii Q 0 INV EL Exlsr GND EXIST ARTS2' MIN
eoT. UNIT EL SEASONAL HIGH GROUNDWATER
SHED creosnED STONE BASF oo� TO oRvwELL�
J14'TO 11/2" NATIVE A-LAYER z NATIIE -LARB GOT STONE EL INFIL TRA TION TRENCH DETAIL:
WASHED STONE g
DOWNSPOUT DETAIL (NOT TO SCALE)
ESTIMATED SEASONAL (NOT i0 SCALE)
HIGH GROUNDWATER TABLE :-ti
PRO WIFE MINIMUM 2 FEET SEPARA RON
BETWEEN THE BOTTOM OF THE INFILTRATOR UNIT GRASS
AND THE SEASONAL RICH GROUNDWATER TABLE.
3H:1V SIDE SLOPES. ERM AS NEEDED
SUBSURFACE INFILTRATION SYSTEM — CROSS SECTION WEW s COMPACTED PILL
(Nor TO SCALE) p0_ -
DONV (STING GRADE
M7 ,C�� III III ---�-- _ _EXCAVATE AT
4"HOPE MANIFOLD INFILTRATOR QUICK4 STANDARD UNIT o- �' //III III—III— =III fI TABLE SLOPE ANGLE
FOR NATIVE SOIL
F�ow B,�G"T ��T,T�'�T�����I 1 1I—I I 1 1I I—I I 1 1I 1 1I 1 1I 1 1I_I—I 1=1I—I I1=1I //,
11 I� 11 11 11 11 11 11 1 1
4"yDPE i III 1 �I �I ll1 I "LOAM
4 HOPEFILL z-S IA_coarse RI CV
p Aggregate L'� �5 ya<T / \ \ \\' \�`X' AS�B"AMENDED PLANTING SOIL
AFAD
Oeotextlle fabric fa stobilize fountlolion �R` \\\ i�%'�
TIE
JNV.=I/ARIES (espeuolty iinpo�tant here wetness rs onticFpated) 1, s( FILTER FASRIO �U �n UNDISTURBED(NOT COMPACTED)
L6 .IMPERMEABLE LINER TO 2'MIN NATIVE SUSGRADE
BE INSTALLED IN LIED OF
SYSTEM — INLET DETAIL TEMPORARY GRAVEL CONSTRUCTION FILTER FEET OF O IE LEFF THAN
z f sE aaRAnON_ Mnx sEnsoNnL cRaunlowATER TABLE
(NOT r0 SCALE) ENTRANCE/EXIT PAD
(NOT TO SCALE) GRASSED BIORETENTION AREA
(NOT TO SCALE)
NOTE'
CONSTRUCT'TEMPORARY CONSTRUCTION ENTRANCE'15 SHOWN ON DETAIL PLAN NOTE ALL UNSUITABLE ALL TO BE REMOVED TO NATIVE SOIL 1 1/2 CRUSHED STONE TO
SCHEDULE OF ELEVATIONS PRIOR TO THE BEGINNING OF ANY CONSTRUCTION ACTNITIES ALL CON57RUCION BE PLACED TO FILL VOID AS NEEDED PRIOR TO AMENDED PLANTING SOIL BEING PLACED
WERE LES SHALL EXIT THE SITE OVER THIS 9TEMPORA11 CONSTRUCTION ENTRANCE`.
MAX. GROUNDWATER BOTTOM OF STONE BOTTOM OF UNIT INVERT TOP OF UNIT THE CAN RACTOR SHALL USE THIS AREA TO REMOVE SOIL FROM THE TIRES OF
CONSTRUCTION VEHICLES "TEMPORARY CONSTRUCTION ENTRANCE TO L12N111 OF
LOT 1A 2224' 224.4' 22C9 225.4' 225.9' SIX TO TWELVE INCHES OF TWO TO THREE INCH STONE.
LOT 1B 219.4' 221.4' 221.9' 2224' 2=9'
LOT 2A 205.4' POCH' AREA' 208.4' 208.9'
LOT 2B 215A' 217.1' 21TC 218A' 218.8' 3
1 1/2"TOP
COURSE
� 2"BINDER
COURSE
w
c�
4"SCH. 40 PVC INSPECTION PORT 0 - 6' 12"GRAVEL
TOTAL OF 40 UNITS
4"HDPE DRAIN - ,..,. BASE COURSE
MANIFOLD SET LEVEL
INFILTRA ioR 41 ICKs STANDARD UNIT (TYP) TO GRADE 4..
40'
EI `<8" INTERCONNECT ENDS OF — — NOTE:
INFILTRATOR UNITS WITH = _ — REFER TO THE TOWN OF NORTH
4`HDPE PIPE II I —
hIIIII N ANMER DEBARrMENr of
D ,III RAVE PUBLIC WORKS FOR ALL
BASE COURSE DETAILS AND SPECIFICATIONS
IF EXISTING SUBGRADE REGARDING CONSTRUCTION AND
o N
34 DRIVEWAY DETAIL MATERIALS-
SITE PLAN OF LAND
Iz WIDE x 2'KEEP NORTH ANDOVER, MASS.
4"HOPE DRAIN � R BUBUTE STONE 1.ANO IN JOH 1 STREET
a"HDPE DRAIN 1—AG(T1'P) ITN ENCH
5=0%(TIP)j CAZ1 45 CA
SUBSURFACE INFIL TRA TION SYSTEM gDIM SCALES 111 OA IE:11Y 1.—1 FfVI5E0:SfPIEMBER 12,1024
(Nor rO SCALE) DRIVEWAY CROSS—PITCH
a
(Nor ro SCALE) R E e I MERRIMACK ENGINEERING SERVICES
N 66 PARK STREET
ANDOVER, MASSACHUSETTS 01810