There is a full range of 09L SIDs in the AIP, quite surprised that you have no details of them.
The vast majority of 09L departures will have been when the southerly runway was closed (from 2230 when it was being resurfaced, or when being de-iced etc). Other times we may use it might be when it has a significantly better RVR or when the 09L ILS is u/s and the weather precludes visuals/SRAs.