Donegal County Council intends to carry out drainage and ground improvement works for the proposed Joe Bonnar Link Road.
The proposed works will involve the installation of 1,614 No. vertical band drains at 1.5m c/c spacing on a triangular grid with an anticipated length of 18m. Minimum drain width of 100mm and thickness of 3mm. Excavation/importation and compaction of 4,300m3 of fill material for surcharging vertically drained area. Fill Material will be sourced on site. The ground improvement works will require the Installation of 16 No. surface movement survey points.
The drainage works will include demolition of existing manholes and construction of new manholes, installation of 85m of 1200mm Ø Precast Concrete Drainage and 80m of 900mm Ø Precast Concrete Drainage.