NCCCO Boom Truck case studies
NCCCO Boom Truck · Put your knowledge to work in context.
The NCCCO Boom Truck Operator Certification is a professional credential for operators of boom trucks - truck-mounted, telescoping-boom cranes that travel between sites and lift on outriggers or, in some configurations, on their tires. It signals to employers and general contractors that an operator has been tested on both knowledge and hands-on machine control, and many job sites and owners require a nationally recognized operator card before anyone runs a crane. The NCCCO Boom Truck case studies are 5 cases and about 3,160 words.
1Alley Pick Beside a Vault and Power Line
A contractor plans to set a 3,200 lb rooftop HVAC unit on a three-story building using a 28-ton boom truck. The only parking area is an 18 ft wide alley.
680 words, about 3 min2Interpolation and Stowed Jib Deduction
Boom truck chart for outriggers fully extended, 62 ft boom: 45 ft radius 4,300 lb; 50 ft 3,700 lb; 55 ft 3,200 lb. Chart notes: deduct 350 lb for hook block and 120 lb for rigging; deduct 500 lb when jib is stowed on boom.
637 words, about 3 min3Two-Leg Bridle at a Shallow Angle
An operator must lift a 6,000 lb steel tank with two lifting lugs 10 ft apart. A rigger plans a two-leg bridle using two 1/2-inch wire rope slings, each with a vertical-rated capacity of 5,000 lb and a 30-degree-from-horizontal leg angle.
612 words, about 3 min4Outrigger on a Septic Tank and a Cracked Float
A boom truck is set on a newly paved driveway to set a 4,500 lb sign. The operator extends outriggers fully and places 16 in by 16 in steel floats under each.
632 words, about 3 min5Shared Radio Channel and an Ambiguous Signal
A boom truck is setting a 2,800 lb air handler onto a roof. The operator cannot see the roof landing area because of a parapet.
599 words, about 3 min