Red Horse Posted June 19, 2020 Share Posted June 19, 2020 Change of pace question. My small town has a 10 yr old Public Safety Building-police/fire station. It has a 400KW standby generator (Generac) that is powered by a 14L Deere. Unfortunately when they built this building they put the genset right next to the building. So now 10 years later a "problem" has been identified as when the unit goes into its 20min weekly test cycle, the exhaust gets sucked into the various HVAC inlets creating an "unhealthy atmosphere" in the building-which worst case might be staffed by 4 or 5 people. The solution? We are being asked to approve an expenditure of $57,000 to install a DPF filter. I view this as just adding another headache and maintenance routine to the unit and at a price that probably exceeds the first cost of the unit 10 years ago. My suggestions have been; - Put a stack on the unit to elevate exhaust discharge-Answer...."That would cost $100,000" -Move unit 50' away from building-Answer.."That would cost $100,000" -Move test cycle to off hours when building is not occupied...Answer..."That would bother the neighbors with the noise" -Shut HVAC units off during 20 min test cycle...."Answer what about when we have an extended power outage?-we went 5 days about 8 years ago"....True -I've lived here 30 years and we did have an unbelieveable ice storm one year and it took five days to restore power. I guess answer to that is "TS"! Thoughts on $57G for a DPF - Quote Link to comment Share on other sites More sharing options...
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