NASCLA Accredited Exam - JJ Johnson Contractor Seminar 2023 -2024 ACTUAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS What are 4 types of Steel De cking? Composite, Roof, Cellular, and Form What are the lengths of Full sheets of Steel Decking? 12", 18", 24", 30", or 36". All are usually less than 40" Who has full responsibility for Safety on a construction site? The prime contractor Who is responsible to ensure workers have appropriate eye protection? The employer Safety belt lanyard shall be a minimum of? 1/2 inch nylon, w/ max length to provide for a fall of no greater than 6ft. The rope shall have a nominal breaking strength of 5,4 00 lbs. When should safety nets be provided? When workplaces are more than 25 feet above ground or water surface or where use of ladders, scaffolds, catch platforms, temporary floors, safety lines, or safety belts are impractical What are the different typ es of Safety Equipment? Head, Eye and Face, and Respiratory protection. Safety belts, lifelines, lanyards, and safety nets Where should quantities of flammable liquid in excess of 25 gallons be stored in that is acceptable or approved? Acceptable wooden st orage and Approved metal storage cabinets. Cabinets shall be labeled in conspicuous lettering "Flammable -Keep Away from Open Flames" LP-Gas storage outside of buildings for containers waiting use shall be located from the nearest building or group of build ings in accordance to? 1. 500 lbs or less - 0ft 2. ***501 to 6,000 lbs - 10ft 3. 6,001 to 10,000 lbs - 20ft 4. Over 10,000 lbs - 25ft Clearance and mounting of temporary heating devices are? 1. Room heater, circulating type - 12" sides, 12" rear, 18" chimn ey connector 2. ***Room heater, radiant type - 36" sides, 36" rear, 18" chimney connector How far shall heaters used in the vicinity of the combustible tarpaulins, canvas, or similar coverings be located from the coverings? 10 feet from coverings Material stored inside buildings under construction shall not be placed with what distances? 6 feet of any hoistway or inside floor openings, ***not within 10 feet of exterior wall which does not extend above the top of the material stored Bagged materials shall be stacked by stepping back the layers and cross -keying the bags at least by how many bags high? 10 bags high Brick stacks shall not be more than? 7 feet in height When a loose brick stack reaches a height of 4 feet, it shall be tapered back by how many inch es? 2 inches in every foot of height above the 4 -foot level When masonry blocks are stacked higher than 6 feet, the stack shall be tapered back how far? Back one -half block per Tier above the 6 -foot level Used lumber shall have what withdrawn before stacking? Nails How shall lumber be stacked? On level and solid supported sills, and stable and self supporting Lumber piles shall not Exceed? 20 feet in height provided that lumber to be handled manually shall not be stacked more than 16 feet high Wire rope shall not be used if? In any length of eight diameters, the total number of visible broken wires exceeds 10 percent of the total number of w ires, or if rope shows other signs of excessive wear, corrosion, or defect Waste materials - when materials are dropped more than 20 feet to any point lying outside the exterior walls of the building what is needed? An enclosed chute of wood, or equivalent material, shall be used. Enclosed chute is a slide, closed in on all sides, through which material is moved from a high place to a lower one
