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sterry_12
hi lads i've just left the mob and im doing acs gas. starting to build my portfolio up by doing unpaid work. been writing last job up all weekend, installing new boiler, jus struggling with the purging calculations. i have the Niceic on site guide and it doesn't show any workings out. its just got U6 meter under 28mm 0.01m3. has anyone got an example of the calculations i need to put into the portfolio?