upgraded its the property owners responsibility to upgrade the sidewalk and potentially the curb rachlt. that's on the developer's niccol not the city's niccol. >> that's this thing down here you figure interesting piece of hardware. >> a valve you unscrew and there is something inside there. >> we don't know what that is. >> over here we have -- there is a valve for the firefighter to open ask close the supply to this. >> the break offs where if someone hits the fire hydrant it snaps here they put a hand crank and turn off the water. unscrew this put a new one of these in. put the fire hydrant down the fire hydrant does not get broken just this. this is a break ah way collar so it doesn't damage the fire hydrant. this says 1995. this is a recent fire hydrant but we will see an older one down the street. >> watch out, pat, don't fall in that hole. what can we say about holes in the sidewalks, who's responsible for maintaining it. >> the fronting property owner. >> what are they supposed to do. >> infill it right now it's a tremendous tripping hazard. it looks like there was supposed to