31
retaining the sea slope at 1/2 to), on the section.
shown
as un additional precaution, send to prevent disturbance by wave action,
I would recommend that the upper layer
rubble on the bem ex fixed imposition by depositing Portland cement concrete, eu masse, say of 6 to 1 proportions, lowered in steps through the water, the contents being discharged unmongst the rubble on the top of the beru
Thus the face of Pre
hawk beyond the toe of the wall would
4
De considerably trang treved with rout materially diminishing the depth for the
berthage of barges.
The Surveyor keural has made
ane provision for the proper disposal f The different sizes of poble in the bank It is, of course, natt important that the
langer
Larger material should be depaited
where Exfred
on the seaward
face
to wave-action and this I gather,
is intended.
Another point to which I desire to araw attention is the
adoption of auch measures during the excention 5. The work as will
minimise the realment of the mound aster the wall has been
تاسته تلعفر بن اسی
may
placca thereon. To attain this
become desirable is
proozdi a machine, or machines, Comewhat of the Unaracter & a Trenn road roller, but of course modied in its construction to
this meet the special conditions of
Cure.
ม
I have seen in communication
with Mess?? Aveling & Porter, the well known mahers of plant of this
Jaso
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