I also agree with pool : work with your head first !
On top of that, what he mentions is part of the FCOM, and the first thing to do to apply SOP's is to respect the FCOM.
Originally Posted by pool
The only way to build in a inbetween safer margin, with EKs procedure, would be to increase the weight input into the laptop.
From the FCOM, one of the two possibilities to improve the takeoff performance is to :
Move towards the left side of the takeoff chart (tailwind) while remaining with the same configuration and looking for the same actual takeoff weight.
This produces a lower flexible temperature and, in general, lower takeoff speeds. Isn't it possible with the laptop to apply such recommendation ?