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DR. VON EMPERGER, in his introductory remarks, said: It is an honour and a pleasure to have been invited by the President and Council of the Institution of Structural Engineers to address you. I have for many years followed the activities of the Institution, and remember with genuine delight my association with your former President, the late Lieut. Colonel Moncrieff. The reputation which your Institution enjoys abroad is great indeed, and I assure you that I have the keenest interest in all your work, especially the papers which appear in The Structural Engineer, a technical journal which is going from strength to strength. I shall thank you if you will express my appreciation to your President and to your Council for the invitation to speak here this evening.
Oberbaurat Dr. Fritz Von Emperger
The site of the aqueduct is at Cole End, Coleshill. The main sewer from Meriden and
Solihull connects with the aqueduct at the point D (Figure 1). Sewerage is carried from
D through the overflow chamber (19 C) over the valley and the old course of the River. Cole to the Control Tower (19). From this tower the sewerage is taken under the existing course of the River Cole, and also under the main Lichfield Road by means of a cast iron pipe syphon. Rising at a gradient of 1 in 14, the syphon again joins the main sewer which carries the flow to the new disposal works of the Tame and Rea Drainage Board, near Hams Hall. It will be noticed that inference is made to the old and existing courses of the River Cole. The course marked AB represents the original lie of the river some hundred years ago, but in order to supply the mill shown near the road a diversion was made. This work may have proved satisfactory during the time when the mill was in use, but, unfortunately, during the past years, severe storms very
quickly flood the main road. In view of this inconvenience, it was decided to divert the river into its original course, which was then little more than a ditch course, during the dry weather.
In Part I of this paper,I the necessity for minimising obstruction to the waterway was emphasised, and the shape of piers and their location and relation to currents was discussed.