Maen Offeren Quarry, Blaenau Ffestiniog, Gwynedd, LL41 3EX
Gwaith atgyweirio dros dro yn cynnwys codi pileri o dan y cyplau a cymysg o waith i'r to yn cynnwys ail-doi a llechi a gosod shitiau rhychiog dros dro / Temporary repair works to include installing piers under the trusses and a mixture of works to the roof to include re-slating and installing temporary corrugated metal sheets.