Land Off A4086, Cwm Y Glo, LL55 4EE
Adeiladu mynedfa gerbydol "gloch" dros dro (am hyd at 12 mis) gyda leiniau gwyn a seilwaith cysylltiedig, i gefnogi cynllun ehangach amnewid Cebl Pentir Dinorwig The construction of a temporary bellmouth (for up to 12 months) with white lining and associated infrastructure, in support of the wider Dinorwig Pentir cable replacement scheme.