Has anyone calculated or have access to the R 404A maximum refrigerant charge as provided for some other refrigerants in Table 2 on Page 310 of the BD+C Reference Guide?

Do the requirements apply to portable fire extinguishers or only permanently installed building-wide fire suppression systems?

It seems to me that an unintended consequence of selecting a high efficiency water cooled centrifugal chiller ( both R-123 and R-134a) is the greater difficulty keeping impact per ton below 100 nee

Does the SF6 (Sulphur Hexafluoride) insulating gas used to quench the arc in electrical power equipment (MV switchgears) need to be taken into consideration under the EAc4?