Hi Partners,
I am trying to work with a hardscapes company that is bidding on an outside patio project where they would pour a large,concrete slab and imbed sea shells into it.  Their plan is to make the surface as smooth as possible.  They would hire me to grind the surface to make it even smoother and expose more of the shells for a really neat look.  they want it smooth but not too smooth because there is a swimming pool involved (slipping danger). 
My goal is to try and get a pricing guesstimate for their bid.  If anyone has any ideas or thoughts on this project, please respond.  I worked on a prepoured 4' x 4' tabby slab that was very rough with my trusty old floor machine with 50 and 100 metals and  it worked well, but I was not able to get the timing down because the area I did was too small.

Thanks in advance,
Barry

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Thank You,
Barry V Raduta
Diamond Stone & Tile Care-South
Stone & Tile Pros
843-540-1445