Presa, gutxi gora behera, gaur eguneko Mendiola industrialdeako zubia baino metro batzuk gorago zegoen. Zentrala, berriz, Enbalajes Ansola enpresaren esparruan, zubiaren parean.
Zentralera heltzeko zubitxoa zegoen, 30 metro luze eta 1,10 metro zabal, oinezkoentzat; bertako etxeak Dominganekua zuen izena.
Zentralak bertako langilea zen Manuel Egiazu Lezetak erosi zuen, 1969.ko maiatzak 29an. Eta urtebete geroago, 1970.ko apirilak 25ean Jose Maria Orbegozo Altunari saldu zion.
Embalajes Ansola lantegia zabaldu zuten bertan. Horretarako, zentrala era zubia bota zituzten, ibaia eta trenbidearen arteko esparrua industu eta zubi berria egin zuten.
Mapa kargatzen...
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Presak 30 metro zabal zen, eta segunduko 1.500 litro ur hartzen ziren. Ubidea edo erretena, ibaiaren eskumako aldetik zetorrena, 985 metro luze zen; Iribeko erretena esaten zitzaion.