Jacking of 22 pipelines of between 10.40 m and 66 m in length to cross roads, railway lines, the San Lázaro Aqueduct and the Albarregas River channel. This was achieved by means of a metal pipe jacking system which used a rotating system with ø800 and ø1000 metal pipes.
The north and south crossings over the Guadiana River were achieved using directional drilling with polyethylene pipes. This involved the following characteristics:
- South crossing: 354 m, ø713 PE/PN-16.
- North crossing: 426 m, ø713 PE/PN-16.
Four areas of Mérida's water supply network with low pressure were identified in order to be supplied directly from this ring. For this purpose, 15 switching, by-pass and regulation chambers were built.