As part of our concerns with the Chiller Plant vents being located opposite Botanica, I spoke to the City of Port Phillip.  The following text has been included in their submission.

Built Form and urban structures within St Kilda Road Boulevard

The impact of service equipment, including ventilation shafts and chiller plants, are to be appropriately sited within the medium of St Kilda Road to avoid dominating views along  the boulevard and the visual effect created by the tree avenue planting  The chiller plant should be reduced in height and treated appropriately in consultation  with residents in the immediate area

Their full submission is here (towards bottom of page)