HomeMy WebLinkAboutSD-177-7SLOPED T 3 1 1 - 20' - p,, MIN. PED 10 EXI`'yING GRpOE
TYPICAL SECTION FOR 50 FOOT STREET O£XISTtNGGR. ! TO 10 SLOPE I'TO lo`�LOPE s�o '
N. TS. CURB CUT- MIN.AT GUTTER =16'
CURB CUT -MAX. AT GUTTER 24
TYPICAL DRAINAGE SWALE 16'
o (` RgING BIT.CONC.CURB
0 00 ROADWAY 0-0 E rll G4PN�(E CU GRASS PLAT T 6" R =2.0.,
Ica w w SIDEWALK GRAS5PL 2� -d " — �i BIT. CONC SIDEWALK 5 -0" i
F- ROAD BASE 26 -0
fi 5'-0` — 7-6 -� I6F° SLOPE B.
J -a� 4' -d' `s 5 0 r TRANSITION 6 z6 x48" DRIVEWAY
n REFS 1 i MIN, l WITH GRANITE ON
LE 10' MIN.
a �� ` 3 PERLOT &GUYED 3fl`MIN.TONEXT DRIVEWAY AT STREET'UNE.
—SLOPE EASEM NT VARIABLE WIDTH - •+ GRANITE C.B. BLOCK I y2 BIT.CONC FIN.COURSE 4J
lye" BIT.CONC BASE COURSE Y -I �4
HANDICAP
6 GRAVEL � BIT.CONC.CURB SIDEWALK RAMP
d IVEWAY . RAMP AT ENDS OF
3!$ PER FOOT PIT o-3 /8' PER FOOT PITCH - - - -- w SIDEWALK yaP�P
2 ON I SLOPE CUT $ r: <
FILL OR GREATER IN T L FIRE 2 4 �QA' " - ° ° {
�° ° • Pe: _°`.'.." '.e }°'n.1 ..- e._.Tr .,0 °6 •,' - ?� °i. 2�d
LEDGE OR IF RIP RAPOR - = 3 r}lA® M�_� ; o' SUBGRADE = WHERE SIDEWALK 12 cu•ra
RETAINING PROVIDED WALL IS T� ELEPHO E, I T TYPE Y-i > Cfl TYPICAL STREET DETAIL
ELECTRICAL 3'MIN.COVER 11 2 "BIT. CONC FINODURSE TYPE 1-1 r IS NOT REQUIRED LOAM I-
���.
a z AREA BETWEEN CUR
12 "R:C.CONNECTOR PIPE 12 "GRAVEL BASE' w® AND PROPERTY LINE
6 'MIN: PERFORATED I2 "R.C. MIN. I-,
UNDERDRAIN PIPE 0,. 4 2-6'COURSES COMPACTED �� a TO BE LOAME'D AND WRAPPED SB 25 MIN. RAD.
SEEDED.
2' -6' SUMP 2' -6' SUMP CONC. m $
THRUST. ° CONIC �@
BLOCK �% = THRUST
PRECAST CONC.COLLECTOR BASIN WATER MAIN 8 "D.LC.LCLASS 52 BLOCK o°
FOR UNDERDRAINAGE > ;
' MIN.COVER
5 0'— 7 =0 MAX. COVER6�Oa Q
CL DRAIN I H o 5L0" j')�EES I Q MIN. BACKFILL WITH PERVIOUS :\'
dICC _ ! L MATERIAL . .
NOTE -ALL TOPSOIL, LOGS, ROOTS OR ANY OTHER ORGANIC MATERIAL MUST BE REMOVED FROM THE AREA DIRECTLY UNDER THE ROADWAY BEFORE BACKFILLING
WITH A SUITABLE BASE MATERIAL WHICH MUST BE COMPACTED.
W
NOTES; � _�..• , - _ `` .
3= . SEWER $WATER MAIN TO BE LAID IN A �
0 0
A. C PIPE' _-L� i A.C. COUPLING ISEPARATE TRENCH OED, ON AN UNDIS -URGED
VA -4 CURB EARTH SHELF WITH 18 VERTICAL AND 10*
SEPARATION, Z HORIZONTAL SEPARA - '`t''
- r- --, -� _. .-
j SEE TOWN OF LEXINGTON 'ENGINEERI G �.' _' �� o
I/4 LENGTH OF A.C. PIPE
fi'GATE VALVE, GRAVEL AT � POLICY GOVERNING THE INSTALLATIQN
M 4 LOAM � 6" AND BOX LEAST 6" OF'WATER AND SEWER.
TYPCONNECTION j = 1I R =2 ABOVE HYD. I'
FOR AC: PIPE ,i MORTAR °.• 'v _ DRAIN ALL R.C. DRAINAGE PIPE IS -CLASS III
\ \� • -.e UNLESS OTHERWISE NOTED.
1D_; ° \ 1` i. ° ° ,. n .raAa`a ti�0°§� ♦Oe °o�a °° 4,
t• 4 LOAM a ° °:,
iCUBIC YARD °I /2 eCRUSH£D° .STONE a
' 3 3. LL STREET TRENCHES IN PUBLIC`
A A i °.e ° 3" BIT. CONC.: " s -- • . e a
= 6,�'�'.•:: %:'
Cp CONCTE MAYS"WILL BE MECHANICALLY COMPACTED ' + ° °0 ° °:.90 °A'a�;;:o: °;a�. Q °., a ° >• TBLOCK ,.ne a oa PIPE
WITH CLEAN BACKFILL AND PAVED I Ig � III ,y ° 12 3 °BIT 00NC. — THRUS DIA.
+ ( 11 a 5'O 9•Au a:.°il °• : +� i - _ A f ACCORDING TO D.P. W. SPECIFICATIONS. IMPERVIOUS / MATERIAL M.H.STEPS ti �o %e 03 12" GRAVEL 1' 6 ' PERFORATIONS UP
TYPCONNECTION `' -� GRAVEL ° , ;p STONE PERFORATED ACCMP OR APPROVED EQUAL
FORV.C. PIPE e ° 12 :"' .` `
`.. •. 'o e
;..b PLACTURBEDEEARTHNST PIT 2- fi'DIA.X3'DIA TYPICAL SUBORAIN
STD.M.H.FRAME I d I °_'p-�; UNDISTURBED EARTH
BELOW HYDRANT DRAIN. .
AND CO ER,UNL UNLESS SPECIFIED PLAN — FINISHED GRADE NOTE- IN LEDGE CUTS OMIT IMPERVIOUS MATERIAL.
GRANITE CURB DETAIL BIT: CONC. CURB DETAIL FIRE HYDRANT USE i /2' CRUSHED STONE FROM A LINE 8" BELOW THE
j. GROUT PRECAST REINFORCED
PIPE TO A LINE .4' ABOVE THE PIPE.
USE 2TO5 BRICK COURSES CONCRETE MAN HOLE CONE
AS NEEDED RICK CG MAN- PERFORATIONS TO FACE DOWN.
HOLE P.IMTO REQUIRED t ?.
ELEVATION. TWO COATS HEAVY BODIED
0 8 COAL TAR EMULSION °
v 2'O-�8 A
O RING GASKET TO SIDE ELEVATION
CONFORM TO CATCH BASIN DRAINAGE MANHOLE
' GRANITE C.B. BLOCK 6' -0 MIN. LENGTH SHALL' VARIABLE' SIDE ELEVATION
1" AL. FRONT "TYPE ASTM C443 ( PAVEMENT
IC 3' BIT CONC. y. BE INSTALLED AT ALL CATCH BASINS
M, H. STEPS AT 12 O:C. 12 "GRAVEL BASE ;te no -- - -- SET FRAME AND CASTING IN A FULL MORTAR ` J SET FRAME ANDCASTING _ _ r _
PRECAST REINFORCED 1. ALL CATCH BASIN COVERS AND FRAMES ARE. ° I r
" O BE APPROVED BY THE ENGINEERINGOEP'T. �-� BED 1. ALL DRAINAGE MANHOLE COVERS AND FRAMES -'_- -� IN FULL MORTAR BED - GRAVEVL BASE
CONCRETE M.H. MHBARREL w2 -0 -.a ARE TO BE APPROVED BY THE ENG'G DEPT. ELEV. OF BRICK TABLE 5 q' -OY 5 e 2. FRAMES AND.- ...COVERS ARE TO BE LEBARON 2. FRAMES AND COVERS ARE TO BE LEBARON °I
ABOVE INV TO BE 2/3 DtA. ( Lk 12f AND L 24SGI `OR EQUAL 3'! MIN. COVER WROUGHT IRON GRANITE C.B. BLOCK LK 110 AND L 28 2 OR EQUAL.
OF PIPE . OVER R.C. PIPE OR STEEL' WROUGHT IRON
RICK CHANNEL 3. ALL'0 i1Cp- BASIN- COVERS AND FRAMES ARE ( UNLESS QpTNER- - CURB INLET 3. ALL DRAINAGE MANHOLE COVERS AND FRAMES ' `•
TO BE INSTALLED TO CONFORM TO THE PITCH NASENOTED) STEPS 16 O.C. � � ARE TO BE INSTALLED TO CONFORM TO THE i - "' I �p ' :.' ao STEPS OR f 'OC� �
O I ..
PRECAST REINFORCED OF THE ROADWAY. 8" PITCH OFTHE ROADWAY
GROUP
CONCRETE MONOLITHIC o 4. PRECAST CONCRETE MANHOLES MAY BE USED a
1 4. PRECAST CONCRETE CATCH BASINS MAYBE USED __ _ �— 4 d ao °onc °au 1 _ 1_1 p' ( W
M.H. BASE $SLAB IN LIEU OF CONCRETE RADIAL BLOCK CQNST- A ! I ( �'n$ �Oa° 1 IBIT.CONC.CURB (_-, w
d VARI BLE -- , onuuoo IN LIEU OFCONCRETE RADIAL BLOCK CONST- 8' -O
6 MIN. FOR T RUCTION WITH APPROVAL OF THE ENGG DEPT. \ -1- •CATCH BASIN ,
.} / RUCTION WITH APPROVAL OF THE ENG.G DEPT w
0- 9- 0` DEEP, 8 "MIN. �i — ` i \� - _ _LEVEL m
O'
FOR M.H.9 - 2d' DEEP 3
l 6" GRAVEL OR WASHED 5. THE FOUNDATION FOR THE GRANITE C. B: BLOCK 5. SPECIAL MANHOLES FOR R.C. DRAINAGE PIPE _ a
STONE AS APPROVED SHALL CONSIST OF A FULL BED OF MORTAR \ DRAINAGE PIPE LARGER THAN 42" DIAMETER SHALL BE FIELD
BY THE ENGINEER CEMENT ON THE SUPPORTING BACK WALL OF THE 2' -6" SUMP ! - j _ VARIABLE
UNDISTURBED EARTH S ECTION A-A CATCH BASIN AND SUFFICIENT GRAVEL ON EACH CONSTRUCTED WITH REINFORCED CONCRETE {
SIDE TO SUPPORT THE OVERHANG. AND SHALL BE PROVIDED WITH WROUGHT IRON o UP TO 42'
6. CATCH BASIN RIMS ARE TO BE RECESSED r' 5 MIN. TOP VIEW OR STEEL STEPS 16' O.C.
_ BELOW FINISH PAVEMENT CONC. BASE _ .... 6. ALL JOINTS FOR RADIAL BLOCK CONSTRUCTION 5. -8" —+I
LI ':_ •;,_; :: ;:: '' WATER STOPS MAYBE
OF CATCH BASINS AND MANHOLES SHALL BE OMITTED IFBASE SLAB
;P .° CAST C1jjkC?ETE MANHOLE V ---� -fl' ~' MORTARED ANDrwAoE WATERTIGHT. TOP VIEW
IS POURED MONOLITHICALLY 5 MIN, CONC.BASE
t S A P I -0 TOP OF CHECK DAN TO HAVE A L AYER 1
22 t OFF AT P EL PTO,* 4.' dIV
r : - EXISTING GROJNu 6 ! --
- - -IS" DIA. =5 =0" 24 "ow. =9' -0„ ,t I) _ _." SHEET 7OF7
> 18" DIA. =7 =fl" 36" DIA. = 12' -0" —� �1;= _ ..+
'. SIDE ELEVATION �a'� ! - 1, c:i1i u�
� � I r)EFINlTIV E StJpDl111SIrN PLAN
I -IkIOs i ,i _
n. i ll z° +I. �f r %Of 2 DETAIL 'HE"po
18'Mi
IN 12":MIN ELEVATION �,D,G' ®Y6ni4 -,D LEXINGTON, MASS:
+ DEVELOPER— ENGINEER- ROBERTE.ANDERSONINC
--10' O "MINIMUM a 3 6" DIA UTACA( vVAL RASE ' OSCAR CORMIER' 78 PARR STREET
i�fi2 4'•UTA,rnP TIE , a %PARKWOODESTATES REALTY INC. PO, BOX 177 ��r' s
DIA i e''eERT POETuRIvE,, 28 CRAIG LANE NORTH REAPIN
„ STREAroiBEG
12 STONE MIN. GROUT 6 � _ WALTHAM MASS. 02154
— - — - I R EG. PE. 81 L.9
< ?' , - •�y I SCALE - AS SHOWN '
edr,q °.
12 BANK GRAVEL - w 2000 CONC a I f
• d- DATE —APRIL 5,1982 ZONE -RO ERICH W.NITZ� ,' 1
RIP RAP IS TO BE USED ONLY
2 ••
.,
WHERE DIRECTED OR SHOWN } °O MIN BALED HAV CIR ^rRAw ! L ETON PLANNING BOARD PETITION aPLAN FlLED
'�T '3 � P#t.FG 1�k 7li+b..PO ANC Bft]�C
°5'*N HIGH AND4 IN °
DIA BE USED IN ALL CASES hnWIU A
RARF Tn RF rARRI R HEARING DATE
Ffl .. - - aa: _. _.