Recommendations on grinding a large number of concrete footers?

I work for my city's parks department, specifically on the construction and building maintenance crew.

Our current big project is rebuilding and refinishing a large tennis court. All of the 10' chain-link is getting cut to 6', and the heaved footers (which run from 1-4" above flush) must be made flush with the surrounding asphalt for the contractor doing the surfacing.

Our current approach on the footers is to make kerf cuts on anything over 1" down to 1", knock them down with a hammer drill, then grind the final inch with a diamond wheel. This method is effective, but there are a number of issues: there are a lot of posts (100+), it's slow (20-30 minutes of grinding per post), and it fucking SUCKS. I'm low man on the totem pole, so as you can imagine I'm doing all the grinding.

However, my supervisors are extremely cool and understanding people, and are more than willing to make accommodations so long as they aren't cost prohibitive. As such, does anyone have recommendations on alternate methods? Strict orders from the top for no gouges and no filler (rock tite etc), which limits options quite a bit.

I'm willing to suck it up and get it done, but options are always nice. Thanks for any input!

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