Water conduit at Maes-y-gelli Farm, Nantmel, Powys

Coordinates

Latitude: 52.2846 / 52°17'4"N

Longitude: -3.4124 / 3°24'44"W

OS Eastings: 303749

OS Northings: 266104

OS Grid: SO037661

Mapcode National: GBR 9N.Y8HC

Mapcode Global: VH696.STVZ

Plus Code: 9C4R7HMQ+R2

Entry Name: Water conduit at Maes-y-gelli Farm

Listing Date: 28 February 2005

Last Amended: 28 February 2005

Grade: II

Source: Cadw

Source ID: 84144

ID on this website: 300084144

Location: Set across a small dingle to N of Maesygelli Farmhouse and close to farmbuildings which lie beyond the conduit.

County: Powys

Community: Nantmel

Traditional County: Radnorshire

Tagged with: Architectural structure

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Llanyre

History

Part of the Birmingham Corporation scheme to supply water to the city from reservoirs in the Elan Valley. The project began in 1892 with the construction of the reservoirs and opened in 1904. Chief engineer was James Mansergh, joined and later succeeded as project engineers by his sons Ernest Lawson Mansergh and Walter Leahy Mansergh. The water was conveyed principally by means of a subterranean aqueduct, but where the ground level fell below the hydraulic gradient one of the solutions (as used here) was to build an aqueduct above ground. Maes-y-Gelli was one of only 2 places where the ground was spanned by a steel conduit of 8 feet 6 inch (2.6m) internal diameter. The other, at Carmel aqueduct, has since been encased in masonry.

Exterior

A conduit of bolted steel sections, in a single span between freestone panelled piers. Abutments are of rock-faced stone and are stepped in above a moulded freestone band. The coping is reconstituted stone. At the ends are iron railings and access gates. A later steel walkway has been built above the conduit.

Reasons for Listing

Listed for its special historic interest as an integral component of one of the foremost civil-engineering projects of the early C20 in Wales.

External Links

External links are from the relevant listing authority and, where applicable, Wikidata. Wikidata IDs may be related buildings as well as this specific building. If you want to add or update a link, you will need to do so by editing the Wikidata entry.

Recommended Books

Other nearby listed buildings

II Aqueduct SE of Church of St Cynllo
In a field SE of the churchyard, spanning a steep-sided dingle.
II Church of St Cynllo
In a round churchyard on the hillside N of the village centre.
II Lych gate at Church of St Cynllo
On the SW side of the church.
II Aqueduct SW of Church of St Cynllo
In a field SW of the church and above Ashbrook, spanning a steep-sided dingle.
II Ty Seren
On the N side of the road through the village, approximately 250m SW of the parish church.
II Caerfagu
On the W side of a minor road between the A44 and Llanyre, approximately 1.4km ESE of Nantmel village.
II Multi-purpose L-plan farm range at Bwlch Mawr Farm
On the W side of the old house.
II Great House
Approximately 0.8 km NW of Llanfihangel Heligan, reached by minor road and farm road W of a road between Llanfihangel and Caerfagu.

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History in Structure

Water conduit at Maes-y-gelli Farm

A Grade II Listed Building in Nantmel, Powys