HomeMy WebLinkAboutSD-470-84' WIDE BIT, CONC. SIDEWALK
W1 8" GRAVEL BASE
MAX
X
_ �2, h1llrz.
UNDERGROUND ELEC. �,o
TEL,, & CABLE -� '
cs
e
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12" GRAVEL
8" C.L,D.i. WATER
(MAIN & SERVCES)
-1 1/2" BIT. CONCRETE, TYPE 1 -1
TOP COURSE
2 1'f2" BIT. COURSE, TYPE I -1.
BINDER COURSE
0'
f ,..._PR0 ILE GRADE
( LINE
I
— - PROPOSED
14 5' UAt7tCS } �A/ X878
iFL
`� t5
15 CAIN. 12" HDPE
DRAIN
8" PVC
SEWER
CBB= MODtEIED CAPE COD BERM (12" WIDE)
(NUT TO SCALE)
— FILTER .FABRIC M1RAFt 140AI TO
ENCLOSE ENTIRE FACILITY
FINISHED GRADE //— INLET PIPE
�e% °° a HEA
9 MIN C11
12" OF 314 .v .... ._.. C P? =,
WA,, SHED ST ONE i
I00 01i9
°0 R0 pfd n as a <P as a a —
3.14„ I-0 1 0,.
WASHED .TONE
rV
ES7IMA'TED SEASONAL G5'
HIGH GROUNDWATER TABLE EL.- 161.5'
PROVIDE MINIMUM 2 FEET SEPARATION
BETWEEN THE BOTTOM OF THE CRUSHED STONE"
AND THE SEASONAL HIGH GROUNDWATER TABLE
(NOT TO SCALE)'
G!1B Ct'�t1 An 01A,
4" LOAM
LIMIT OF TRENCH -
EXCA VA TION, PROVIDE
SHEETING AND
SHORING AS REQUIRED.
'5 t
(TO ACCEPT 12 "' HDPE)
BOT. EL= 164.25'
STONE EL -163, 5t1
4 ROWS Total
WATER PIPE -
e:.
EXISTING 6" WATER
MAIN
PROPOSED
RESILIENT SEATED
8" GA TE" VA VE
EXISTING RESILIENT
SEATED $,' GATE VALVE
12"
PA VF_D
WID TH— D + ?_
CONCRETE
THRUST
BLt1GKINGr
SEE PAVEMENT DETAILS
AND SPECS
— GRAVEL BORROW COMPACTED IN 12
MAXIMUM LIFTS USING A 75 18, VIBRATORY
PLATE COMPACTOR, 4 PASSES MINIMUM
MDPW SPEC M I, OJ. t) TYPE A
MASS. D,,P<WN M1.04.0 TYPE B
SAND BORROW SPEC
COMPACTED IN 6" MAXIMUM LIFT:
USING A HAND TAMPER
MINIMUM COVER -- 5'- —C1 ".
IT SHALL HE MUELLER SUPER
ION ;200 MODEL A -421
4L STANDARD OR APPROVED
AND SHALL OPEN RIGHT
RESILIENT SEA ED u
b"' GATE VALVE
FAIN I "0 CONCRETE THRUST 81OCKING
6" OUC7ILE
IRON PIPE
319" 1 112 " CRUSHED STONE
8" DEEP MINIMUM
MECHANICL JOINT
6" DJ, WATER PIPE SEGMENT EXTENSION
(CALDWELL COUPLING) a
HYDRANT AND GATE VALVE DETAIL APPROVED _ (l t 20
A
1 It9ECNNICAL JOINT COUPLING
{ NOT TO SCALE THIS PLAN IS SUBJECT TO A COVENANT DATED
_rs.: - CC�hICt?ETE AGAINST' THIS PLAN IS SUBJECT TO A CERTIFICATE OF ACTION DATED
.` UNDISTURBED' MATERIAL
THIS PLAN I5 SUBJECT TO A SPECIAL, PERMIT DATED
WATERMAIN' N
BEND —PLAN 1); CONCRETE FOR THRUST BLOCKS SHALL HAVE A
MINIMUM COMPREHENSIVE STRENGTH OF 2000
PSI AT' 28 DAYS
WATERMAIN
&- : 2) THRUST BLOCK BEARING AREAS TO BE IN
ACCORDANCE dTH TABLE BELDW, UNLESS
CONCRETE AGAINST '' DETERMINED OTHERWISE BY THE ENGINEER
BECAUSE OF SOIL CONDITIONS
UNDISTURBED MATERIAL
PLUG ELEVATtQ
APPROVED
LEXINGTON PLANNING BOARD
g
WATRMAIN TEE
-.CONCRETE AGAINST
UNDISTURBED MATERIAL
TEE--
N0TE. PIPE.' FIT77NGS SHALL RE AS MANUFACTURED BY
U:S. PIPE SPEC U501, U503, U505x £1507, U509,
OR APPROVED EQUAL.
CONCRETE` SHALL HE 3000 PSI PORTLAND TYPE' II
CEMENT CONCRETE MEETING MDPW SPEC M4.02200
et soq, AND SHALL ICE PLACED SO AS TO NOT
INTERFERE WITH 7HE JOINTS OF THE FITTING,
PIPE
SIZE
MINIMUM SURFACE AREA {S.F`,) OF
CONCRETE AGAINST UNDISTURBED EARTH
11 d
22 d
45 d
90 d
TEE'
6"
0.7
IX
2.0
30
2.5
8„
1.0
7.5
3.0
a5
3,0
10"
2.0
2.5
5:0
Zo
6.0
WATER TRENCH
(NOT" TO SCALE) �_
"�j�, t' ......... .::. TO'Wl+l CLERK OF THE TOWN Q;�'
LEXINGTON, MASSACHUSETTS HEREBY CER77FY THAT THE N077CE OF
APPROVAL OF THIS PLAN BY 7'HE LEXINGTON PLANNING BOARD
HAS BEEN RECEIVED AND RECORDED AT THIS OFFICE' AND NO NOTICE
OF APPEAL WAS RECEIVED DURING THE TWENTY DAYS NEXT AFTER
SUCH RECEIPT AND, RECORDING OF SAID NOTICE.
1l III
TOWN' C�X DA iE
4 ROWS OF 14 C.ILTEC 90OHD RECHARGERS
99.501
(NOT TO SCALE)
P TOR)
RE VISIaIVs
THRUST BLOCK DETAILS
(NOT TO SCALE -) � ao
2 -;3 in. coarse
Aggregate
Geotextile fabric to stabilize foundation
(especially important where wetness is ant cipoted) <� - i .
i T
TEMPORARY GRAVEL VEL Cc1�1. TRUC TION
EN TRANCE E�CI T PAD
NOTE. (NOT TO SCALE)
CONSTRUCT "TEMPORARY CONSTRUCTION ENTRANCE" AS SHOWN ON DETAIL PLAN
PRIOR TO THE BEGINNING OF ANY CONSTRUCTION ACTIVITIES' ALL CONSTRUCTION
VEHICLES SHALL EXIT` THE SITE OVER THIS "TEMPORARY CONSTRUCTION ENTRANCE ".
THE CONTRACTOR SHALL USE THIS AREA TO REMOVE SOIL FROM THE TIRES OF
CONSTRUCTION VEHICLES. "TEMPORARY CONSTRUCTION ENTRANCE" TO CONSIST OF
SIX TO TWELVE INCHES OF TWO TO THREE INCH .STONE
ROBINSON
SITE DETAILS
pT. /p LOCATED IN
(MII�� ES�'�s' COUNTY)
3
9.2/9113
PER TOWN COMMENTS
_
Ly
JDS
A
CHK' D
SITE DETAILS
pT. /p LOCATED IN
(MII�� ES�'�s' COUNTY)