getting City tree trimmed?

[jd-science.livejournal.com]

Looking for advice... I put in a request to 311 over two months ago to have a City tree in front of my house trimmed. I've followed up 3 times to 311 and once to an individual DPW employee. The only responses I've gotten are that my request has been sent to DPW.

Has anyone ever had a situation like this and dealt with it successfully? It's apparently not allowed to have a private company come trim the tree, so I'm a bit stuck. 311 has generally been helpful, but in this case I'm getting pretty frustrated.

Thanks!