Butterwick Bridge - Brick repairs, waterproofing and general maintenance

* Welfare provision, traffic & pedestrian management and general cleaning & removal of vegetation from structure. * Replace missing and damaged bricks on piers, arch barrels and voussoirs - repairs to be undertaken using underbridge unit, without using scaffolding. * Rebuild previously poorly repaired section of damaged parapet. * Concrete repairs to damaged nib. * Limited repointing, root removal and mortaring up cracks. * Strip back deck, apply waterproofing and resurface. * Repair damaged kerbs & parapets. * Supply and install anti-ram bollards. * Replace birdsmouth fencing and mesh on approach ramp.