BOMI SMT case studies
BOMI SMT · Put your knowledge to work in context.
The SMT® - Systems Maintenance Technician designation is one of five professional designations offered through BOMA/BOMI, the education arm described in the source material as dedicated to improving the skills of professionals with property, facilities, and building engineer responsibilities. The SMT® sits alongside the FMA®, RPA®, SMA®, and BOMI-HP® designations on BOMI's designations menu, and it is grouped with the Systems Maintenance Administrator (SMA®) curriculum in the credential family that serves building engineering and maintenance staff. The BOMI SMT case studies are 5 cases and about 2,852 words.
1Chiller Plant Sequencing After a Compressor Failure
A 12-story office building has two 400-ton centrifugal chillers, Ch-1 and Ch-2, with a design load of 620 tons on a 95 F design day. Ch-2 tripped on a high-discharge-pressure fault at 2:10 PM and cannot be reset; the building is at 78 F and rising, and the outdoor air is 96 F.
628 words, about 3 min2Boiler Short-Cycling and Combustion Air in a Sealed Mechanical Room
A 1970s mid-rise has two 2,000 MBH atmospheric gas-fired boilers in a basement mechanical room with a louvered outdoor-air intake. The boilers short-cycle: the lead boiler fires for about 4 minutes, satisfies the aquastat, and shuts off, then restarts within 6 minutes.
602 words, about 3 min3PM Frequency Decision for Rooftop Units With a History of Coil Fouling
A retail portfolio has 40 rooftop units, all 15 years old, serving sales floors. Filter changes are on a quarterly PM schedule, but the maintenance log shows 11 compressor failures in three years, all on units serving the loading-dock side of the stores.
513 words, about 3 min4After-Hours Water Leak: Isolation Versus Building-Wide Shutdown
At 11:40 PM on a Saturday, a tenant calls the after-hours line reporting water running down an interior wall on the 7th floor of a 10-story building. The building engineer is 40 minutes away.
556 words, about 3 min5Deciding Whether to Repair or Replace a 20-Year-Old Cooling Tower
A 20-year-old induced-draft cooling tower serves a 500-ton chiller plant. The tower has galvanized steel construction with visible rust on the basin and fan deck, a gearbox that has been rebuilt twice in five years, and a fill media that is partially collapsed.
553 words, about 3 min