Here's and indicator that will plot a rolling n second volume on any chart.
It will allow to show 5 sec or 1 min volume spikes on a 5 or 15 min chart.
It uses the GomRecorder framework you will have to install, but with NinjaTickFiles, so you don't have to record anything.
Download the framework here:
Here's a chart with 5 sec and 60 sec volume on a 5 min chart.
You can see the 2k vol spikes on the 60 sec volume indicator chart.