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H
Limit of Excavation
,
double Y- branch
with V.C. s/oppers
A Concrete
F - -- —
- -Cu t top f7 ± i of .pipe fo , ; __—
�/_
/B
A !ICiY,.
/ C1crSS B Con
I /
Crete
j 1
,
Stub,
v✓rth stopper_i
i
I. Steps
wrt /r stc er Class A
B Concref 7 v
0. C, � � -,,`- �.. �. ._ _: '_. pp \\\ s /�y'
! Limits of M.H. base c, u �� " i" �\ B��kC, and A ";� -��.. II A
p - - 'Shee `in or undistur L�CJ
{ _ Frtfrngs
/?Ja J /' /IXJ
'.�•, J n p
.,- crEr red gravel or
- -� + - • ( concrete cradle?
-- 1 1 I i i '
- - - T/mber Platform
( _Screene,,` grave , l envelope _ , _ >_� ;� PLAN BELOW DOME �/
ELEVATION
or concrpfe cradle as requlrec;
Normal
PLAN BELOW DOME PLAN BELOW DOME Tl -ench t_irrri
C 1. Morlhole Fcane ano Cover
Mor�`ar <
?
ICJ Man/7o/e Frcr;re and Ccver
QCOU17;? St)Pe''fnq - i i i
C. /: ldarl o /e Frame and Cover
'
If used, rS /J be removed
Ground Surtcrce
i =. �_ _ — -�' uc.riser
1zZ t k 1 - -
l -__ - - - - - -, Finrsheo surface i ✓lort
77 -
\, � _ � _ ;, -,` _. ; � I i _ , i _ ,�• ✓, : i _ -i C ass B concre, c
A3prnximnta ground surfocP
r
ck Masonr
45rick -
Selected refrll Orou✓zd manhole B
i'✓laSOnrC r s �
T �`^ Tee v✓ ' h 6
', if used ; y
t �; {
i c , ; ; ; j steo �. „I tp be /eft m place h
15 "S ac SECTION A -A
p ' j t:-
I
�Pxact etev✓tion o be I ICAL CHIMNEY DETAIL
TY
C/Q.S$ / 1 I i. ri
Y- t3rarrch f3ano of /Z wide
4' d icr /f'r, g, ; conCrC�te r
_ - Ij, / asphat, sa/ urafed
A oncrete it' I 8 >z' ootin
;i j ; - �. ; { r feit s�cre,y
;
r q
[ t 'wired around pipes
con
C /assfl cre
r ;
,, � � i ! Iii I r � , • :. � +a
` '., ; ; ,��.� -� � -J.', r; b N, •{ ;` �/, 4 of M.11, base
Mon,role ,5feps
• f r Se /ected ref > /1 ; � r, n .. •.., , \,�� ,,.�, n, ._ �;> _
15 ac, 179
p ,, A ; ":. v n 'o• "r. a ',•,d P /onkinq spiked o topper
a ll
-0 dl'ujill
R - �hPet,ri to be /eft i — 8, x 8 x 5 6 Caps
oo q r. —,
ace n soft rourn -' -- = 3? P. °
lki
J` p r }+ �, 0 bq D qa /v. steel piri �; 30 short curve
tr } ) 8
t
; 81�ttom of normal ex cc? Vd7 iOn
� I ,
\ o f
5 6
'Uhderdrorn ✓Fused - � �
Class A concr�fe '" , } i . ; _ � ; �:; -cr' - � C iass .8 Concrete pOVred.
:,• I ➢ �.7 ag ainst undistured
„ -- :rte. ' eorth or cheeflrr
Timber !?i /es 10 butts �
Limit of fncat catio/r ELEVATION
p
90° long elbow -
I <'. ,.j — Ste/ eel7cd qr avel refr,. CvANHOLE ON PILE FOUNDATIO� U.. -
,/ � ���--= '',::; y ;'•. i four , datio) - r f�'x8'mrn. _-� e
Class A Concrete
Ur1Q'e, "O'rQIt1 If USP,T./ �; 9'- O "✓� %r /7 ry �, �.'.:�.. tp ` �'_�' T' P .� "_
,ry Pirnz moterraJ ELEVATION A - A
El.
varies DROP MANHOL A 1 i + LEXINGTON, MASS.
a; E T I 46
VINE BROOK SEWER
HALF SECTION HALF SECTION
IN FIRM GROUND IN SOFT GROUND
i
{- MANHOLE DETAILS
MANHOLE ON 21 "SEWER
R '
-
•
` APPROVED SCALE - 2` =I O JANUARY 1948
GB.H MANHOLE BA SE ONr 8" ,SEWER
DRAWN 8Y-
FOR METCALF ,& EDDY, ENGINEERS METCALF & EDDY 20332
4, r° TRACED -- --
ENGINEERS H
CHECKED BY- ti 8h - - ----- dt MAR.B 1948, BOSTON MASS. R70¢
REG. PROF. ENGR. MASS. NO. 70 'DATE
FW4!' P :JtCT, Ig -P. -198
CONTRACT A SHEET 3 OF 4 .