TSSA EDM-A Exam case studies
TSSA EDM-A Exam · Put your knowledge to work in context.
The EDM-A credential sits within the Elevating Devices Mechanic pathway that the Technical Standards and Safety Authority (TSSA) lists under its Training and Professional Certification menu for Ontario. TSSA describes itself as "Ontario's public safety regulator for Elevating & Amusement Devices, Ski Lifts, Fuels, Boilers & Pressure Vessels and Operating Engineers," so the certification exists inside a public-safety framework rather than a private trade association. Candidates are typically people preparing to work on elevators, escalators, dumbwaiters, and related conveying equipment under Ontario rules, and who need to demonstrate both regulatory knowledge and practical mechanic competence. The exam content is expected to span elevating device fundamentals, safety codes and compliance obligations, inspection and maintenance practice, and the administrative duties that come with licensed work. The TSSA EDM-A Exam case studies are 5 cases and about 2,872 words.
1Traction Rope Retirement and the Saturday Tenant Event
You are the EDM-A mechanic responsible for a 1970s geared traction elevator in a 6-storey office building. Rated 1.75 m/s, eight ropes, 1:1 roping.
625 words, about 3 min2Hydraulic Jack Replacement in a Community Hall
You are called to a 2-stop hydraulic elevator in a 40-year-old community hall. The car is rated 1360 kg, travels 4.2 m, and the jack is a single-stage in-ground cylinder inside a PVC casing.
567 words, about 3 min3Escalator Inspection Findings at a Transit Station
You are performing the periodic inspection on a 20-year-old escalator in a busy transit station. It runs at 0.5 m/s, 32-degree incline, and carries about 12,000 people per day.
585 words, about 3 min4Acceptance Test After a Traction Modernization
You are witnessing the acceptance test of a modernized 4-stop traction elevator: rated speed 1.0 m/s, rated load 1000 kg, new gearless machine and controller, existing car safety gear and guide rails. The governor is new.
542 words, about 3 min5Night Entrapment and a Warm Brake Drum
You are on call for a 12-storey apartment building with a single traction elevator. At 02:00, two passengers are trapped between floors 7 and 8; the car is about 1.2 m above the 7th floor.
553 words, about 3 min