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I started with the basis that each new product would follow one of four trajectories of sales.The first would be that it hit a base demand.

, the second 1.5 x base demand, the third 0.5 x base demand and the fourth did not get launched or sold at all or 0.The demand curves were normalised curves.. To simply represent a portfolio of products I allocated a probability to each of the four trajectories.. Then I looked at scale.I used a few API (chemical synthesis) projects to normalise a base scale.

I then looked at relative scales around this.The smallest being.

, the largest being.

I used standard factors to adjust the capital cost in a no.So the more data centre capacity you can fit onto your site, the more IT yield per square metre you will get, and the lower your cost per kW will be.. As data centre designers, we must aim to maximise the site yield.

Here’s how we can do this:.It is not uncommon for permitted development on data centre sites to be limited to around 20 metres .

A typical hyperscale data centre design, with the racks, then space for cabling and power, then a ceiling void and structure, will have a storey-to-storey height of often of seven or eight metres, and sometimes more.In other words, you can have two floors for data halls in a 20 metre planning envelope.. A fundamental reassessment of the integration of cooling systems and structure, and optimised M&E services zones through close coupling of electrical and mechanical systems will yield geometric reductions that can reduce floor to floor height.