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9645 For manhole walls more thon 10 feet below
BORING K B. ; (No, 7937) the top of the manhole cover, the )Ihiclrness of
N PL.182,4 < a guoran fee i's given ha7 the maierrals encountered wall is to be increased to !2 inches.
u m cons uct r on will be he some as thoserndvcated
AEG 5L Far manholes located 9y' change of size in
Muddy on 4l eb; ddgforthetusea .14i5understoodandagreed i e, the wotecwa within the manho/e limits
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Mater Sar d, that the bidder will not any of the rnfarrnatron so rs be shaped to orovide a transition between
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indicated in an manner, as the ass or round of claim
Y basis 9 the pipes of respective sizes.
ardemand arrsrn from orbyreasonoferny / y�
Sgnd
Coars variance which may exist bel such information and
II d' the materials encountered during the construc of /( f
the work. C1 Manhole Steps
L;JJIe I
i
Born s mad r t
e n Ocober, 1938 exce tas otherwise Holed.
6ravet: �- Q ®'-i g � P C.1. Manhole � Required.
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0 alt (Z) Figures to the Jeff of borings
Yer° L;41e W represent blowsper fool Frame e Cover"
Sharp 5crd 6' O (� on spoon. ee Specifications 24
9
Gravel. ecfron 8.7 B Brick O) \
} Zt t Dome Class C
C Lli M c} C 8 „ / 4=10', \ g^ ConcreJ
Q ? U BORING X 13
It.
183 BORING * 9 EL.1 &4.0 a O / �7
185 -
BORING? \\ FL. 193.0 A PPtoximofe G 1
, EL. 102.6 \ BORING *8, "� Q >\ t >-
EZ. 181.6 Y �i Loarn .See note above 1
\ ` l L 'am Surface e Sand C.7. M. S ps Pl11 % J
4 i) E Stubs as
Wafer �— 5o n y
Class
4� Black �.I Xrdfer q� P C
Water - g� 8 4 0 8 vI Concrete i
180
8 a Pet__ _ _.: f 150 Stubs As
Bloch Pea
JAI oe /on 7917ormal fo Brook; Channel A A Required
DrrlY Coarse
- Sand 10 Sand E' \ Loose
Lille Gravel Fine p Jn Brick Or
® 7 San Fine Gloss R
s <' Loose Fine n
N 5 Sand EL 174.71 24 G l Alpe Slope ��ZZ Sand ' , 1k��4 Concrete SeC� tOt1' A
175 ° 4 . a �( �e< „4 (See note below
k
E1. 174.9 175 ,o
er rc?rYI Z 6•'lf'Jfllf?IUm
24'r 1, l Pipe i'rt Co rse Sond
51ope 0022 O D
O o
6'Gravel C �� Q"
. o
10 Fine Clos� e C l6' El. 172.45 8 Un�'2ra Sfa t/t28 to Sfa. I4t6O
te 6'To Po
Sand Conc yLine Opp fl0
Firm 1n Rock
i 10 6 „Minimum Q�
170 _ Sand 7
6 "Of Class C Conc. a a�
aNe1! p if
on s t Sf
sem a Ot23 to fa lIf3O a
y S 0y' Brick On Poor
7 Coarse �' F Foundation. Q Q
Sand 6 ,
to L;H[e Holy' Section In Earth Half Section In Ledge OC t
Grave I 9E Class A concrete
required for marrhales SeC'I I3'13 For Brick
$ �o on cast iron pipe sewer.
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DETAILS OF TYPICAL MANHOLE
Coarse t
9 Sandd' Scale 2 in. f I ft.
little
`d 9 6 Grovel 10 1( IZ 13 1
3 M -'F.,
2M 4�t13n" M
P. 4 m. � i r Invert Of Proposed
4 M
r f;. ! r Vine Brook Channel � 24” C.1. Pipe Sewer
\ \ 81 (� �� ® BORING V,B,(Nov 1937
9 Firm a A j r i o c
v Sand Undist
Material
° `Ylinimum 8"
y
�°' e z rvr ` \ � ` I l Gloss C Goncrefe JVlinimum 6
\\ / x cp edo' 3 In .� 10 x� M ne l i ,'
/c
E = Elm /2'M k \ p oQ / o- i I
S2C�'I ®11 C
M = Maple LL 2t 'Q/ Scale 4 in. fo'I ff.
�
�E � P =Pine -� \ Provide fence during cons7`ruc ion, Sta. 11f50 to 181-80.
\ M ' See Spe6)cicofions, Sect am 1Z're _90rdi17 /Cpl
�F O special for use andoceuponcy r
80PING #G �2a \ \ ` of phis area. i f
0
€� o �y - 7 --7 / ,
3 o> 1. '� \ L R NGr 9y'• .`"J r
,M 13. t 1 IFS m n tl
0 IN 7 ( .r
63. Y i, rr /
I - I 3 "� 6
t /
j f.
l N l f C /2
LEXINGTON, M ASS.
L_ -, :` r _ ! r
J �/ NORTH LEXINGTON SEWERAGE SYSTEM
CONTRACT l
LAN AND PROFILE
Bridge O 1� ) (1' 1 it d✓ 1 ' 1
Bridge
Indicates area available Con
e - , tractor S T A . o 8 +0 O TO TA • 1 4+ 5 0
��
for construction purposes r� r '
/ SCALE HOR. 40 FTTO i IN. OCT. 1938
Note; No guarantee i's qq en os to the completeness r ' rr UER. 4 FT. 70' I IN.
or accuracyofrnformahian given on this drow'n9 13734
Drown b 544 C . N, re ardin round surface, pipes, conduits or N
Y 9 9 9 METCALF 6 EDDY
Checked by __+_K. w- _- -_ other underground structures or regardingq 2 Jan.24,t990 S,A:W F r4- aFV1sFn toz necaRD,Ptax ENGINEERS
any other existing structures,> frees or other Aoorrrq AG eoRrN6 5496
r M(NO1Z CHANGES AND ADOrrJONS BOSTON S TO f l M A S J e "
RPProved by- _ _ -- -- -- ;-- --_ -- -- �� conditions. ! No
v.2r938 i�c.r. K . w - �
Revision 19ode by I Checked by Description
Sheer 2 o f 10 Sheet s