Bwriad gwreiddiol Thomas Telford a William Jessop oedd i’r draphont ddŵr fod yn un gymharol fach ac iddi groesi darn bach o’r dyffryn dros Afon Ceiriog. Y bwriad hefyd oedd defnyddio cerrig a chlai pwdlo i’w chodi hi yn y ffordd draddodiadol a chodi arglawdd enfawr o bridd i gario’r gamlas ar draws gweddill y rhannau o’r dyffryn. Rhoes Richard Myddleton o Gastell y Waun ergyd farwol i’r cynnig hwnnw drwy ddadlau y byddai’n difetha golwg Dyffryn Ceiriog. Yr ymateb cychwynnol i hynny oedd symud y draphont i fyny’r afon i fan lle y gwnâi hi lai o ddrwg i olwg y dirwedd. Ond pan gafwyd gwybod bod problemau wedi codi wrth ddefnyddio cyfuniad o bridd a chlai pwdlo i godi traphontydd yn Swydd Derby, gorchmynnodd William Jessop fod rhaid ailystyried y cynllun o’r bôn i’r brig.
The Chirk Aqueduct
Thomas Telford and William Jessop originally planned for the aqueduct to be a relatively small affair spanning a short section of the valley over the River Ceiriog, and traditionally built with stone and puddle-clay. The canal would then have been carried across the remaining sections of the valley along a huge earthwork embankment. This proposal was vetoed by Richard Myddleton of Chirk Castle, on the grounds that the Ceiriog Valley would be aesthetically ruined. The initial response was to move the aqueduct upstream where it would be less intrusive on the landscape, but when structural problems started occurring on other aqueducts in Derbyshire which had been built using this combination of earthworks and puddle-clay based aqueducts, William Jessop ordered a complete reassessment of the project.
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Traphont Ddŵr y Waun
The Chirk Aqueduct
Related Pontcysyllte Blog Links:
- Pontcysyllte Aqueduct & Canal - Historical Background
- Pontcysyllte Aqueduct & Canal: Nomination as a World Heritage Site
- International Transport & the Significance of the Pontcysyllte Aqueduct and Llangollen Canal (Industrial Patrimony 18)
- Pontcysyllte Aqueduct World Heritage Site
Coflein - the online database for the National Monuments Record of Wales (NMRW)
Chirk Aqueduct Site Details
Chirk Aqueduct Online Images
Chirk Aqueduct Associated Collection Records
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