Construction
The aqueduct was designed by civil engineer John Rennie and constructed by architect Alexander Stevens (died 1796, aged 66). The cost of the construction was close to £50,000.
The aqueduct is a traditional structure of that time, consisting of five stone arches supporting the stone trough. Within the piers, special volcanic pozzolana powder was imported to be mixed with cement, which allowed the concrete to set under water. Because of the rush to finish the initial stages, before the winter floods, the construction was carried out around the clock and the final bill for the project was over £30,000 over budget (2.6 times the original estimate). This vast overspend was the reason that the Lancaster canal was never joined to the main canal network – there wasn’t enough money for the planned aqueduct over the River Ribble at the southern end of the canal.
Read more about this topic: Lune Aqueduct
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