OBC Building Services case studies
OBC Building Services · Put your knowledge to work in context.
The Ontario Building Code – Building Services qualification is one of the Building Code identification credentials administered under Ontario's building code system, aimed at practitioners who design, review, or inspect the services components of buildings. Candidates are typically working professionals - engineers, technologists, designers, and municipal or provincial reviewers - who need to demonstrate code knowledge in the building services area. The OBC Building Services case studies are 5 cases and about 2,769 words.
1Condensate Trap on a Rooftop Unit
A 12-year-old rooftop packaged unit serves a small office. During a humid week the ceiling tiles below the return-air plenum show damp staining that spreads along a seam.
602 words, about 3 min2Boiler Short-Cycling After a Load Change
A low-pressure hot-water boiler with a rated output of 300 kW serves a building whose heating load has fallen after a wing was vacated. The boiler now fires for about 4 minutes and rests for about 6 minutes, repeating through the day.
565 words, about 3 min3Sprinkler Protection in a Racked Warehouse
A single-storey warehouse 9 m to the underside of the roof is being converted to racked storage. The existing sprinkler system is a wet-pipe installation with upright sprinklers at roof level on a 4 m grid, designed for a light-hazard occupancy.
542 words, about 3 min4Ventilation Complaint in a Sealed Meeting Room
A 40 m2 meeting room with a 2.7 m ceiling has a variable-air-volume terminal serving four occupants normally. It has no operable windows and relies on a central air-handling unit for outdoor air.
550 words, about 3 min5Emergency Lighting Duration After a Battery Swap
A three-storey office has a central battery emergency lighting system serving escape routes and a plant room. During a routine monthly test, several luminaires on the second floor failed to light, and the rest ran for only 45 minutes before dimming.
510 words, about 3 min