NFPA standards 1710 and 1720 provide some guidelines that can be factored into your need for the proper number of personnel.
Qoraalada ay soo saarto Hay'ada (IRS) ee 17 iyo 501 waxa ay leeyihiin warqado kaa caawin kara inaad ogaato inaad ka soo baxayso shuruudaha gargaarida.