Early-onset bacterial infections in the newborn may occur when the mother has abnormal bacterial colonization of the urogenital tract, an ascending but silent amniotic fluid infection, or symptomatic chorioamnionitis. Thus, the physician cannot assume that maternal signs and symptoms will identify all infected infants.
Posted on: April 4th, 2013. NFPA 80 provides requirements for the installation, inspection, testing, and maintenance of fire doors and other protective structures, including fire windows, glass block assemblies, fabric fire safety curtains, and fire dampers.
Type-A Fire Damper: Used when the airflow interruption from the stack of blades in the fire damper frame is not a prime concern or consideration. Type-A dampers are the easiest and fastest type to install and are mostly used in low-pressure part of duct systems (up to 2â w.c.). Type-B Fire Damper: Used when airflow or velocity in the duct is a concern.