Addition and/or alteration - installation of new fire alarm system per approved drawings-2017 nec , 2016 nfpa-72.
Addition and/or alteration - installing a/v devices and sk-relay to an existing fire alarm system as per 2016 nfpa 72. sk-relay to shut off a/v devices incase of fire. sk-5820xl pa…
Addition and/or alteration - installation of fire alarm system. monitor module to monitor the kitchen suppression system. all work is to be done according to approved drawings-2017…