46
would murther improve the Praça without involving much if any additional cost"
Figure 2 on the
2 on the unnessed
rawing
I shows the mode of Construction proposed by the Surveyor General for the new wall and Praça toadway taking for the typical Section a Gottom of hard
gaver overlying rock. It has been already stared that the position and level of The new tall is determined by existing circumstāness and therefore it only remains to
1
Consider the bichosed mode
of construction. It will be seen from Fig. 2 that apon the cement Concrete foundations actore described it is proposed by J. Price to form a wale of granite Ashlar
backed
a
bached with Canton by draulic lime conerelî, and to protect the roadway by a coating of
coating of similar concrete. & he ashear is not intended to be bonded, or tied into the backing. and there would be
practically. Straight count-between the mis which would be a detect constructive. Speaking of the lime conerelt, the Surveyor General states tharikis "certainly not held out as of very high order, but rather Suggested
• as an ampe String and cheap jorm of backing for the Praya hai "And a very fairly good material " for covering the roadway
exposed to such seas as we are A bachine
J
likely to get here.
of lime concrete would be rundi Cheaper, gard for yard, than one Portland cement, and Woud moreover afford the fuatha
• advartage
of