OSHA 30 Construction case studies
OSHA 30 Construction · Put your knowledge to work in context.
The OSHA 30-Hour Construction Outreach course is a voluntary training program administered through OSHA's Outreach Training Program. OSHA-authorized Outreach trainers - independent service providers, not OSHA employees - deliver the class, and students who attend and successfully complete the entire class, including all required topics and minimum contact hours, receive a student course completion card. The OSHA 30 Construction case studies are 5 cases and about 4,547 words.
1The 7½-Foot Trench: Slough-In at 4:15
Columbus, Ohio - 90°F, no rain in nine days. A utility crew is installing 8-inch sanitary line in a trench 7 ft 6 in deep, 5 ft wide, 60 ft long, cut through undisturbed clay and silt that the subcontractor's competent person classified as Type B.
836 words, about 4 min2Four-Tier Frame Scaffold on a Gusty Morning
An eight-person masonry crew is erecting a four-tier frame scaffold on the west face of a three-story building. The top platform sits 28 ft above grade on a 6 ft wide base.
896 words, about 4 min313.8 kV Beside the Panel Set
Precast panel and rebar work on a commercial site. A 13.8 kV overhead distribution line runs parallel to the north property line; the utility confirmed the voltage in writing and refused to de-energize during the pour.
939 words, about 5 min4Dry Cutting the Bridge Deck
Three workers are cutting control joints in a new concrete bridge deck with a 14-inch gas-powered cutoff saw, dry, with no water tank on the saw. Cuts run 8 hours a day, 5 days a week.
926 words, about 5 min5Rooftop Set with a Damaged Bridle
A crew is setting a 3,000-lb rooftop HVAC unit with a 40-ton hydraulic truck crane. The unit is slung with a two-leg nylon bridle; the west leg has a 2-inch abrasion cut through the outer cover, and the hook has a bent, non-functioning safety latch.
950 words, about 5 min