1st October 1933
First published: 1st October 1933
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SIR,-Since Mr. Rodmell has been good enough to invite discussion of his admirable article dealing with the above subject published in your September issue, I would like to submit the following remarks relative to some points in his article which appear to me to be controversial.
In designing a river bridge, a careful study of currents, together with erosion and silting action of the river, is of importance. Many structures have been badly undermined as a result of this phase of design being neglected. Adequate protection to abutments and piers should form part of the construction programme to ensure that the capital expenditure on the bridge is not mortgaged by heavy maintenance obligations.
THE existence of road corrugation in this and other Colonies has been a matter of concern for some considerable time, and the problem of building roads suitable for modern traffic has been a somewhat perplexing one. In new and undeveloped countries the problem is exceptionally difficult.