very high BER & TER in sports pavilion

[jerry]

I have modelled a sports pavilion, and the changing rooms are resulting in a very high BER and TER (eg 367), I think this is because of the very high hot water demand assumed by the NCM template (106l/h/p). Assuming I have not made an almighty cock-up somewhere, then this is not an issue for compliance as BER<TER, but it gives a very big problem as the local authority wants a 35% carbon reduction - that's an awful lot of PV!

[Wasted Energy]

'367' is very high.

Is this a 'pavilion' that essentially consists of changing rooms only? For outdoor sports maybe?

This would mean there would be no low/zero demand areas to spread the load across, as would be the case of a multi-use sports centre, which is probably the scenario that the NCM template is modelled on.

The problem here is that although the carbon emissions will be no greater than a if it were a sports centre, and the carbon reduction no different in absolute terms, the cost of that reduction as a percentage of the building costs will be much higher.

The other problem here (and I'm speculating) is that if this 'pavilion' is for occasional or seasonal use only, then CHP will have a very poor pay-back.

W

[jerry]

Hi "W", yes it is an outdoor sports pavilion - the changing rooms make up 35% of the total floor area, so applying the NCM changing room template to such a large area is resulting in the very high BER. Certainly, DHW is far and away the dominant energy demand and source of CO2.

Jerry