For MCI, replacing gear on the surface means unhooking customers whose traffic went on that route, rerouting their traffic, and then doing it all in reverse when the new equipment is in.
Norovirus spreads easily via contaminated food or drinking water, but a more insidious route is from a person touching a surface contaminated with the residue of stool or vomit from an infected person and then touching his or her mouth before hand-washing.
In another scheme to resurface the main route for vehicles in the square, sub-contractors are having to relay the road surface after problems were identified.