As an esa observation, it is planned to install new hooters to have a separate audio-visual alarm for dyke drain valve, hcds etc.to configure these hooters with the existing human machine interface (hmi) we must perform modification in existing tas to integrate 5 nos. hooters activation on esd, hhh, dyke drain valve and hcd. scope also includes necessary changes in safety plc logic and scada to accommodate the hooter status.view above it is planned to do the integration of hooter to scada at bpcl mci. since the tas is maintained by m/s honeywell automation india limited, india, who is the oem of scada system, it is proposed that this work be carried out by honeywell. therefore, it is recommended to proceed with a single tender and award this job to honeywell.