HomeMy WebLinkAboutSD-454-84" OBSERVA770M WELL W17H CAP
(PERFORATED BELOW STONE) TYP.
nL TER FABRIC 140N
TO ENCLOSE ENTIRE FACILITY -4
ow
sal
AND COVER TOP OF GRADE v
D GRADE LOAM AND SEED 12" HDPE
240.3 MIN.) !NV =237.5 INLET MANHOLE GRADE ADJUSTERS TO 3
PAVEMENT (PDMH13) SUIT FINISHED GRADE f0
USE CUL TEC ILEIE MCEPTOR 900) , ... / POR 0/L 7„ lFrRR£�
RECHARGER 330XL HDL1G COMPAClEO 12" HOPE INLET MANIFOLD LAID 6" HOPE 8"
NV =237.1 L =2, 6„
DEPTH VARIES ao r - - - - - .. - - - - - ( :1 72 "0 7» 24'4 (10" MIN.) °mo `l4 1 +® r 1 72" + OUTLET Sp• j
oeo s- IN V =237.0 0�o VARIES STORMCEPTOR
pro e-a- e-� - -� 1 INSERT RISER
o °0 0 0000 eeo oa uoaO o oa oQO °e °oeo °O °oo oo oe�o° °oo oo. i
6 in (min. r + l!
eo,o 000 00 00 00 ( WEIR
0 ao0 e0 00 a 00 00 00 oe °�
oa oao o °: °o u.0. O e e Q o a og ' ^1 » -2» 1 1 INLET HEIR OUTLE 6 "0 OIL
o °o. na ° ae e o a�V WASHED STONE 1 ( PORT
ae °a� 1 1 6" 2 -3 in. coarse
o. o
ORIFICE PLATE
o °oeoeoeeaeo ao0ooaao e° o °ea000000 °oo a °e ° °ooe o °o eoo 1 O. 1 , : Aygragate,;
0 °e° �44r° 4$ °a.B:YY:°�33Y.°3°$SO�.°�o�4�O&d 6 0 ORIFICE
58" O.C. 1 ��� g°�) 55" MIN. Geotaxtile fabric to stabilize foundation
CUL7EC (* °D o ( INLET 7E£ (especially important where wetness Is anticipated) Q {t•
PROVIDE 32 CUL7EC MO XL HD CHAMBERS RECHARGER t t 1 v DROP PIPE INLET 2
38:5' 1 :5' 330XL HD 1 a I o 8 24'4 OUTLET IDODWARY 4RAW 1 CONSy'1RUCiiC"J!!I I
8 ROWS OF 4 UNITS MIN. (TW') 1 1 '' o RISER PIPE PLAN VIEW OF INSERT AWMANWwamr P�jQ
1 of ci 8' il
... A NO (NOT TO SCALE) 3
ESHGW - 23361E-03)_ LIMIT OF STONE 1 1 4" 70 6" CONSTRUCT " 7EMPORARY CONSTRUCTION ENTRANCE" AS SHOWN ON DETAIL PLAN
AND nL7ER FABRIC ) SECTION THRU CHAMBER
TO ENCLOSE 1 6" OVERLAP PRIOR TO THE BEGINNING OF ANY CONSTRUCTION ACTIVITIES. ALL CONSTRUCTION
PROVIDE k*#WMUM 2 FEET SEPARATION BETWEEN 7HE BOrM OF WE 6 INCH ENTIRE FACILITY_, ( •) 0 1 NOTES.- VEHICLES SHALL EXIT THE S17E OVER THIS "TEMPORARY CONSTRUCTION ENTRANCE'.
WASHED STONE LAYER AND THE SEASONAL HIGH GROUNDWATER TABLE 1 *< 1 THE CON7RACTOR SHALL USE THIS AREA 70 REMOVE SOIL FROM 7717E TIRES OFF
t. 717E USE OF 1-1-EA181-E CONNECTIONS IS RECOMMENDED AT THE
I 1 INLET AND OUTLET WHERE APPLICABLE. 6" CONSTRUCTION VEHICLES "TEMPORARY CONSTRUCTION ENTRANCE" TO CONSIST OF
1 1 6 SIX TO TWELVE INCHES OF TWO TO 7HREE INCH STONE
1.5't1 2 THE COVER SHOULD BE POSJTIONED OVER 7HE 24'4 OUTLET 1
» " 4" OBSERVATION 1 i RISER PIPE AND THE 670 OIL PORT. ENLARGED INLET SET 1 HAYBALE PERPENDICULAR
12" HOPE INLET 12 HDPE OUTLET 6 HOPE CULTEC UNIT WELL O 1 1 J. 7H£ STORMCEPTOR SYSTEM 1S PROTECTED BY ONE OR MORE TEE DROP PIPE EVERY 50' ON SLOPES STAKED HAYBAL£S
CULTEC UNIT MANIFOLD MANIFOLD OUTLETS 1®
+ - 1 OF THE FOLLOWING U.S. PATENTS, P985148 05498331 OVER 5.Z END TO END
it
!
m ,
q. aso oe0
ao a.
• w'° /b a .m
BED TOP = 2;39.14
i°
Q' 10rO •
��
_
CHAM8ER TOP - 23236'
oa ao
o e o a a
+�°eeao do8 0 04
o 0 o ao 0 0 0 0 00
O
°o e0°
CHAMBER BOTTOM = 236.1:
"
0 a
1 °o o
2j5 6 go BED BonOw -
09 a00
a
0 oa a 000 0.00
6 o<
oaa a."
(TYP')
PROPOSED
6" HOPE INLETS
INV= 2370'
b5'
ow
sal
AND COVER TOP OF GRADE v
D GRADE LOAM AND SEED 12" HDPE
240.3 MIN.) !NV =237.5 INLET MANHOLE GRADE ADJUSTERS TO 3
PAVEMENT (PDMH13) SUIT FINISHED GRADE f0
USE CUL TEC ILEIE MCEPTOR 900) , ... / POR 0/L 7„ lFrRR£�
RECHARGER 330XL HDL1G COMPAClEO 12" HOPE INLET MANIFOLD LAID 6" HOPE 8"
NV =237.1 L =2, 6„
DEPTH VARIES ao r - - - - - .. - - - - - ( :1 72 "0 7» 24'4 (10" MIN.) °mo `l4 1 +® r 1 72" + OUTLET Sp• j
oeo s- IN V =237.0 0�o VARIES STORMCEPTOR
pro e-a- e-� - -� 1 INSERT RISER
o °0 0 0000 eeo oa uoaO o oa oQO °e °oeo °O °oo oo oe�o° °oo oo. i
6 in (min. r + l!
eo,o 000 00 00 00 ( WEIR
0 ao0 e0 00 a 00 00 00 oe °�
oa oao o °: °o u.0. O e e Q o a og ' ^1 » -2» 1 1 INLET HEIR OUTLE 6 "0 OIL
o °o. na ° ae e o a�V WASHED STONE 1 ( PORT
ae °a� 1 1 6" 2 -3 in. coarse
o. o
ORIFICE PLATE
o °oeoeoeeaeo ao0ooaao e° o °ea000000 °oo a °e ° °ooe o °o eoo 1 O. 1 , : Aygragate,;
0 °e° �44r° 4$ °a.B:YY:°�33Y.°3°$SO�.°�o�4�O&d 6 0 ORIFICE
58" O.C. 1 ��� g°�) 55" MIN. Geotaxtile fabric to stabilize foundation
CUL7EC (* °D o ( INLET 7E£ (especially important where wetness Is anticipated) Q {t•
PROVIDE 32 CUL7EC MO XL HD CHAMBERS RECHARGER t t 1 v DROP PIPE INLET 2
38:5' 1 :5' 330XL HD 1 a I o 8 24'4 OUTLET IDODWARY 4RAW 1 CONSy'1RUCiiC"J!!I I
8 ROWS OF 4 UNITS MIN. (TW') 1 1 '' o RISER PIPE PLAN VIEW OF INSERT AWMANWwamr P�jQ
1 of ci 8' il
... A NO (NOT TO SCALE) 3
ESHGW - 23361E-03)_ LIMIT OF STONE 1 1 4" 70 6" CONSTRUCT " 7EMPORARY CONSTRUCTION ENTRANCE" AS SHOWN ON DETAIL PLAN
AND nL7ER FABRIC ) SECTION THRU CHAMBER
TO ENCLOSE 1 6" OVERLAP PRIOR TO THE BEGINNING OF ANY CONSTRUCTION ACTIVITIES. ALL CONSTRUCTION
PROVIDE k*#WMUM 2 FEET SEPARATION BETWEEN 7HE BOrM OF WE 6 INCH ENTIRE FACILITY_, ( •) 0 1 NOTES.- VEHICLES SHALL EXIT THE S17E OVER THIS "TEMPORARY CONSTRUCTION ENTRANCE'.
WASHED STONE LAYER AND THE SEASONAL HIGH GROUNDWATER TABLE 1 *< 1 THE CON7RACTOR SHALL USE THIS AREA 70 REMOVE SOIL FROM 7717E TIRES OFF
t. 717E USE OF 1-1-EA181-E CONNECTIONS IS RECOMMENDED AT THE
I 1 INLET AND OUTLET WHERE APPLICABLE. 6" CONSTRUCTION VEHICLES "TEMPORARY CONSTRUCTION ENTRANCE" TO CONSIST OF
1 1 6 SIX TO TWELVE INCHES OF TWO TO 7HREE INCH STONE
1.5't1 2 THE COVER SHOULD BE POSJTIONED OVER 7HE 24'4 OUTLET 1
» " 4" OBSERVATION 1 i RISER PIPE AND THE 670 OIL PORT. ENLARGED INLET SET 1 HAYBALE PERPENDICULAR
12" HOPE INLET 12 HDPE OUTLET 6 HOPE CULTEC UNIT WELL O 1 1 J. 7H£ STORMCEPTOR SYSTEM 1S PROTECTED BY ONE OR MORE TEE DROP PIPE EVERY 50' ON SLOPES STAKED HAYBAL£S
CULTEC UNIT MANIFOLD MANIFOLD OUTLETS 1®
+ - 1 OF THE FOLLOWING U.S. PATENTS, P985148 05498331 OVER 5.Z END TO END
it
!
Ms
7sR
�� M W
I
1
i
I
I
i
I
i
�
I
i
I
Q Q INV= -237.3 p�� 6 11 PE (PERF.)
MANHOLE L =2' A }5725760, X5753115, ,}5849181: ® /
INV =237,1 ( ° °eO (TYP_) 1 �7P7iaR 9dD SPOIL FROM
6" HOPE �A� $ WV -237.1 1 BALE TRENCH
V. =2371 �- 1 " -2" WASHED STONE- o� ) HYDRO CONDUIT
INV. =237.3 1 ` 12 HOPE PERF 'OUTLET MANIFOLD STG 900 Precast Concrete Stormc for 900 US Gallon Capacity)
ENTIRE BED OF STONE 1 2 (LAJD LEVEL) ( eP ( P Y) /
l fT �° '� QUM DE,TL � SHALL HAVE A BOTTOM 1 � 1: (NOT TO SCALE) � 3
{G�iai ELEVATION OF 235.6` AND
NOT TO SCALE NOT TO SCALE A TOP ELEVATION OF 1 m 0; BM"YAWY CALG'1X.An= - S7 ziffimma � LINE
RNG GRADE
239.14' (DEPTH OF 3.54t) 1
1 tai STORMCEPTOR, GRAND TOTAL: NOTES 18"
1 - e peps * 6,1 BOTTOM OF UNIT Et =23285 DOWNWARD FORCE 1. BALES TO BE 77ED' WITH ORGANIC FIBER TWINE ONLY NO PLAS77C OR FLARE
ROOF 1 00" 0 00 0 1 £SHGW EL= 233,61 14.985 +3.232= 78.217LB HAYBALES TO BE SECURED WITH A MINIMUM OF TWO (2) 1" x 1" WOODEN j
FINISHED GRADE DOWNSPOUT Ls ie... ........ees+.. I UPLIFT FORCE.• SAFETY FACTOR: 2 STAKES PER BALE DRIVEN 180 MIN. INTO GRADE
12" HOPE (0:75),L 04 4 SFYAZ4L8ACF) =1.890L6 18.217 .890 =9.6 3. EMBED HAYBALES 4 ".
4" OBSERVATION WELL WITH CAP SURCHARGE PIPE INV= 237.05
CULTEC RECHARGER 150 HD ( ) OUTLET DOWNWARD FORCE.
PERFORATED BELOW STONE TYP. SPLASH L2 INV =236:3 MANHOLE WEIGHT OF UNIT =14.985LB (NOT TO SCALE) j
UNIT (33 "Wx18.5 17x7.5 L) BLOCK a p (OUT) (PDMH12) WEIGHT OF SOIL= (0.8'AVE,)(40.4 SF).(100LB /CF)= Z232LB '
oap. o o O • Cr 00 -•0' •Q: o' 0 03 FILTER FABRIC M/RAfI a m CATCH�SEE NOTES 6 dcG7 ON ADJUST TO GRADE W1T17
oao .0 0 0 • �0 .:•O .o: 0+•'10" MIN. 14ON 7D ENCLOSE PROPOSED ROOF BRICK SET IN FULL BED
38.5 SHEET 6 OF t0)
,�,q, �, >� £NTTR£ FACILITY DRAIN COLLECTION FOR FRAME AND OF MORTAR
TOP STONE £L= 265.65 ► ,�q, O° e PIPING TO U ITS GRATE SEE M07E 7 PROP. LEACHING FINISHED GRADE
1 ; go Ro °o a° pc°%6 o lNFILTRA770N SYSTEM 41.5' " ON SHEET 6 OF 10 CATCH BASIN
TOP EL= 265_15 $ oe °° 0 8 °° o s$ °o b -` 1 2 WASHED STONf
I ° 8 ° o g as ° 8 °� o PROPOSED IMPERVIOUS BARRIER ,STaWIVA ZM lA X SPA nQV FAMZX ++ PLAN 38.0' " (PC824) 2� REINFORCEMENT PER
4' HOPE !NV- 64.s O O O O O o �,� o
0%, UHF RUFCO FA 40 4U'M ",) RF- MRRANF RY RAVEN W r '.. VERT FOOT ,t
R
q ` I (NOT TO SCALE) a 2
BOAT. £L =2636 �QOO ° a N�US7RlES 0/ SJOUX SOUTH At <07A, DlS7RtbUTE9 r �go°o °�W �UN
o'A� as aao p o 0 0 oao. 00 0 •� .� F Ski
,
.., o �° 90 oo 8a 0000.0° ° °81a8a oo 5Y JFA`NIAN rNTFRP ISrS 0 M_LROSE, 1 - k 1 ,.I
BOTTOM STONE EL -263.1 p¢ 8yagy" °p �p °� ° -°, j�o�° °°O O MA SSIW HI I I:T T 7S, OR f OHAI , THE BOTTOM OF THE ( \ 0,0% "
112» -iL•- BARRIER SHALL BE AT ELEVATION 261.0 FINISHED GRADE ( ( \) ( �W SET OUTLET PIPE
" 12 5 (TYP.) FLUSH WITH INSIDE MORTAR ALL JOINTS I
PROVIDE MINIMUM 2 FEET 1.0' WASHED STONE 6 1.0' I` 1 v Q OUTLET PIPE
SEPARA710N BETiWEN 117E 15:75 ( / p?a0 1 WALL OF
BOrMM OF THE 6 INCH
000 0 0 9°o o0a`o�o CA'TCHBASIN I
WASHED STONE LAYER AND 1& 0 N 8" HOPE INLET M1RAF7 FIL HER 1 00 ° b aao as 0 % 1 4 DIA. WEEPHOLES
1.0' (TYP.)
THE SEASONAL H!G'H MANIFOLD (LAID LEVEL) -� FABRIC L e .. e... e . s.. -� ..j PRECAST IN �
GPOUNDW,47ER' TABLE f.SH.GW. =261. ft (U -06) cry 2 LIMIT OF STONE AND F7L7£R/ BASE SECTION ° J
- - CULTEC UNIT PROP. LEACHING FABRIC MIRAFT 140N TO
qtr s ACIE > 7AAlflf]N Sv�cne�u es�S1- ' �- sroNE cArC� ce2s) W
ST)N WASHED ENCLOSE RAFT 1 FACILITY
(NOT TO SCALE) 4" HDPE
INV. =264.6 " m W � o � PRECAST CONCRETE
L =2` NDTE REMOVE ENTIRE > I TO CONFORM TO ASTM
A A, B SAMWWNS'PRIOR ° C _4 C
� .If, L.OA ;0 1
- 5,04 -0 1
DATE•
FOR REGISTRY OF DEEDS USE ONLY
8 HDPE
MANIFOLD
ROOF
LEADER -�
4" HOPE INLEIS
6
23.5'
-- - - - - --
�
I
1
i
I
I
i
I
i
�
I
i
I
I
I
ONC. OF E
TO 9ACKf7LLiNG WIN STONE (NOT L SCALE) 5" MIN: 4000 PSI AT 28 DAYS
36'
•
=IaE WL .4' -D" •D/AM. .•: 5 •� 6" SCREENED
�11tE (P Sfi J
NOT TO SCALE (NOT TO SCALE) " 64" DIA FLAT TOP 4'-10* GRAVEL
24 DIA OPENING
o PROPOSED GRASS \ 7�iAS� i %� CA= BA N
,� GRADE h (NOT TO SCALE) ;
6- TOPSOIL (MIN.)
�1 _T
- - - 04 PLAN VIEW
LIMIT OF STONE AND 4'" PVC 08SERVATION PROPOSED IMPERVIOUS BARRIER - 3 t " -2" WASHED STONE SEE SHEET 6 OF t0 FOR NOTE: TOWN OF LEXINGTON STANDARD l
Fl17ER FABRIC PROPOSED RIM ELEVATIONS
WELL (TYPICAL) (BOTTOM ®ELEV= 2st.o) CONSTRUCTION DETAILS ARE INHERENTLY
PROVIDE 15 CULTECC RECHARGER 150 HD INFXTRA710N UN 17S 24" (MIN.)
SxA9SuVACE nunaw SY EW (pggL- PLAN w = ,lo ge 4• -O' a� INCLUDED AS PART OF THIS PLAN SET
(NOT TO SCALE)
(NOT TO SCALE) I aao m o ° � . 0 2 ° DRAIN HOLES '
LOCATED TO THE NORTH AND EAST OF PROPOSED UNITS 1 & 2 2 I 4" T ° ALL AROUND • k
1 °
N07M.
o D CONDOMINIUMS
j T E
1. LONGITUDINAL SLOPE OF SWALE SHALL BE NO GREATER THAN 5T '� ° ° MARRETT ROAD l� tJNL OlY11Nl t1S
2 SWALE EDGES AND BOTTOM SHALL BE PROTECTED WITH MATTING, MULCHING, _ ( 00 8" a °° °
SIMILAR TYPE BLANKE7S UNTIL THE GRASS HAS PERMANENTLY BEEN ESTABLISHED. O I o
•* SUMP VARJES
J. GRASS SHALL BE DROUt.HT TOLERANT AND SHALL BE MOWED AT A REGULAR BASIS 1 2.5 DEFINITIVE SUBDIVISION
TO MAINTAIN A BLADE PEIGHT OF 6 INCHES OR LESS. (TYP.)
„ 4. SWALE SHALL BE RE- SEEDED IN AREAS WHERE 'GRASS HAS NOT BEEN ESTABLISHED. 0 6» AO. IN ACCORDANCE N7TX SECTION 175 -1IF
THIS PLAN IS SUBJECT TO A COVENANT DATED ____ 1 °
1 M= 4 I oao° a
"THIS PLAN IS SUBJECT TO A CERTIFICATE OF ACTION DATED __" eED BorroM = 2336 16" °V a ° °� o ° °� ° °o PERMIT SITE DETAILS
- - - - - - - - - - - - - •AAA,
XD7E5 RE^ as l�i7MQ d11�'IIL7Ri1nr H sr .•►'�taOOM,q LOCATED IN
�1 L ALLOW 2' SEPARATION � T TYTVr7 7 n � r RV, /+ MTfgR/�
THIS PLAN IS SUBJECT TO A SPECIAL PERMIT DATED Es HG. w. = 23r .s v T SEASONAL HIGH GROUNDWATER )•/i,�,j (,:•j IY (A(j
1, J16W_VJVr1 ' ��tivvrU`! CLERK OF THE TOWN
OF LEXINGTON. MASSACHUSETTS HEREBY CERTIFY THAT
THE NOTICE OF APPROVAL OF THIS PLAN BY THE
LEXINGTON PLANNING BOARD HAS BEEN RECEIVED AND
RECORDED AT THE OFFICE AND NO NOTICE OF APPEAL
WAS RECEIVED DURING TWENTY DAYS NEXT AFTER SUCH
RECEIPT AND RECORDING OF SAID NOTICE
TOWN CL K DATE
1. CONSTRUCTION ACTIVITY AfID STORAGE OF CONSTRUCTION MATERIALS O RICHARD e.
WAITT, JR.
SHALL BE MINIMIZED N Ric' TWO AREAS WHERE THE PROPOSED NO TES: 3 CNiL (MIDDLESEX COUNTY)
SUBSURFACE INFILTRATION SYSTEMS WILL BE INSTALLED. I. CONCRETE.- 4, 000 PSI MINIMUM AFTER 28 DAYS. N0.34776
I 2. 2. DESIGNED FOR H -20 LOADINGt PREPARED �'(iR
ALL ST0RAHW47ER RUNOFF' SHALL BE DIREC'rD AWAY FROM THESE �
3. E.F. SHEA ITEM NO. CB -2LCS OR: APPROVED EQUAL.
7W0 AREAS DURING EXCAVATION OF THE SUBSURFACE INF717RAT70N�;I.
I DECLARE TO THE BEST OF MY PROFESSIONAL )F� J 1: NORTH SHORE CONS7IHCTI(1N & DEVELOPMENT, IX
3. SYSTEMS UNTIL THE SYSTEMS ARE COMPLETELY INSTALLED AND i L &QW c_ C _7t�1 B�II
KNOWLEDGE, iNFORMATIOry AND BELIEF, THAT BACKFILLE . ) • SCAL,E. f = AS NOTED DATE: DECEMBER 3, ,2008
1 (NOT TO SCALE
THIS PLAN WAS PREPARED IN ACCORDANCE F
Wf7H THE RULES AND REGULATIONS OF THE 4. DIRECTINGIWATER FROM CONSIRUC77ON DEWA7ERING ACTTNTIES SHALL
REGISTERS OF DEEDS. BE M/NI OFb FROM ENTERING THE m SUBSURFACE INFILTRA770N c ('� i J� MERIDIAN
1 3
SYSTEMS RENS�OiS L T A3 S l� 1 !-1 i E S I
3-17-00) STORMWA MR RUNOFF SHALL NOT BE DIRECTED INTO 7HESE 3 3/17/09 PLANNING BOARD COMMENTS RA BWT
SUBSURFACE 1NFIL7RA77ON FACILITIES UN77L THE CONTRIBUTING 2 216109 MASS HIGHWAY REVIEW RA BWT 152 CONANT STREET BEVERLY, 69 MILK STREET, SUITE 302
1 j` DIA O lA lE5 /LAG DA 1Lc DRAINAGE AREAS ARE STABILIZED: MASSACHUSE'T'TS 01915 WESTBOROUGH, MASSACHUSETTS 01581
1 1129109 CEI REWEW/MASS HIGHWAY RA BWT TELEPHONE: {978) 299 OA47 TELEPHONE: (508) 871 -7030
REVIEW W W W.MERIDIANASSOC.COM
SHEET No
DWG. No. 4938DEFDET NO.- DATE DESCRIPT70N BY CHK'D
8 OF 10 PROJECT No. 4938