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3.
on boulders and gravel.
the springing course.
It is built up to the level of
A foundation of the nature indicated
may be regarded as satisfactory.
12. 220. This is a culvert for which the foundations were
They were covered by the tide at the tire of
partly in.
our visit.
No.22 This is a two-span bridge, 20 ft arches, The
arches were about three-fourths completed. He ascertain
from the drawings that is founded on boulder clay, which
shouli prove a good foundation.
No. 24. This is a small calvert.
25. This is a 4-span şirler bridge, 40 ft spans.
It is situated on the forestore of Solo Harbour and is
founded on 10 wells about 15 fact in diameter and sunk
to an average depth of about 22 feet through fine sand
and boulders- The piers and abutments are in course of
a height of about
all/0
construction and have been bull:
feet above the top of the pelis.
to be satisfactorily founded.
Je consider this bridge
Nos. 2. 27. & 23. There are no bridges hearing these
nushers.
No. 23. This is a 10 ft arch bridge, single span. In
this case the foundations exton right across, taking both
abutgents. Xe have ascertained from the drawing that it if founded on gravel which shoul prove satisfactory.
No. 30. The construction of this bridge, which will apan,
278
""4"";
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