Terre Pruitt's Blog

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Archive for September 16th, 2010

Metal Knobs

Posted by terrepruitt on September 16, 2010

I am turning to the bloggey-sphere for answers.  The corners of our sidewalks were curbs and not ramps. I don’t even know if that is what they are called–ramps.   Not too long ago people came and jack hammered up the corners and put in ramps.  I don’t remember exactly when it was but you can see that the new ramp is still bright and new.  I actually think it has been in the last two years because I think I was teaching Nia when they put in the ramps.  I remember commenting on it because we always see the work trucks and the “don’t park here” signs but we can’t always figure out what work has been done.  With the ramps it was obvious.  The whole corner section was bright cement. 

Well, just this week the jack hammers have been back.  Again they have made cement rubble of the corners.  They did it rather quickly, I think.  They have redone all the corners and they have replaced the ramps they created not too long ago with this metal knobby stuff.


I tried to Google it, but what I came up with was how to get a permit in San Jose to work on the sidewalk.  What I want to know is what is the knobby metal for?

I would think things that need the ramp, things with wheels, like wheel chairs, skates, and strollers would not roll well over the knobs.  You might be able to tell in one of the pictures that the knobby plates don’t seem to come together but it actually looks like the plates are already rusting or something.

So . . . . do you know what the knobby metal plates in the sidewalk ramps are?  Also, do you know WHY the knobs are better than the cement? 

I am so curious.

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