728 [=89] (V.2)

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728

flank of the proposed new build
=ing, the space to work upon was
equal to 247 ' 6" + 24 ' 4 1/2 or a clear
271 ' 10 1/2. The disposition of the
required Channels to meet the
above width was arranged as
follows: commencing from the
left of the avove diagram.
-------------------------------------------------------------------


Abutment of mille Channel --------------- 4 2 1/2
Mill Channel 10 "
8 Waterways of main Channel 200 "

TOTAL WIDTH 271 10 1/2
It will be observed that the
first three items of the above Table
occupy a space of 18 ' 2 1/2 only,
whereas the Escape platform was
24 ' 4 1/2. it became necessary there
=fore, to cut away 6 ft 2 inches of
the front for the purpose of the
Lock Chamber ; with the exception
of this, aand the removal of the
wings and a portion of the Reser=
=vair of the Inlet, the whole of the
buildings which were formerly
constructed were brought into use
as abutments for the new work,
into which they were build without
any further modification : this
will be understood by referring
to Plate XIX of the atlas, which
exhibits the plan of this work
in all its details.

I have in the Chapter on
navigation cuts explained the
method by which the navigable
Canal and mill Chanel
reach the passages respectively
appropriated to their uses ; and
shewn how by means of revet=
ment.

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