EstatePass
Project MgmtSafetymedium20% of exam part

Under 1926.502(b)(1), what is the normal guardrail top-edge height above the walking/working level, before any stilt adjustment or permitted higher-rail condition?

Correct Answer

A) 42 inches, plus or minus 3 inches, above the walking or working level

The normal top-edge height is 42 inches with a 3-inch tolerance, or 39–45 inches. Conditions can warrant a higher top edge if the other criteria are met. When workers use stilts, add the stilt height. Source: https://www.osha.gov/laws-regs/regulations/standardnumber/1926/1926.502

Answer Options
A
42 inches, plus or minus 3 inches, above the walking or working level
B
36 inches, plus or minus 3 inches, above the walking or working level
C
48 inches, plus or minus 2 inches, above the walking or working level
D
39 inches, plus or minus 6 inches, above the walking or working level

Why This Is the Correct Answer

The normal top-edge height is 42 inches with a 3-inch tolerance, or 39–45 inches. Conditions can warrant a higher top edge if the other criteria are met. When workers use stilts, add the stilt height. Source: https://www.osha.gov/laws-regs/regulations/standardnumber/1926/1926.502

Independent practice; verify any reference hint against the edition and category permitted for your booking. Official exam and reference-list sources →

Was this explanation helpful?

More Project Mgmt Questions

A sloped roof surface measures 7,360 square feet. Add 8% waste and express the result in 100-square-foot roofing squares, to the nearest 0.1 square.

Grinding metal creates flying-particle hazards to a worker’s eyes and face. Which PPE action addresses those hazards?

The project inspection plan requires in-wall rough-in approval before gypsum board conceals stud cavities. Which coordination item must be completed before close-in?

A low-slope roof detail requires base flashing continuous with the field membrane before its upper edge is counterflashed. The membrane-to-wall transition is not yet installed. Which listed step addresses that missing interface?

A membrane takeoff covers 13,720 square feet before 8% waste. Express the adjusted area in 100-square-foot roofing squares, to the nearest 0.1 square.

An office needs carpet tile over 9,975 square feet, plus one combined 15% allowance for waste and spare stock. Each carton supplies 48 square feet. How many whole cartons are needed?

A grout takeoff requires 11.5 cubic feet including its allowance. For this exercise, each bag yields 0.45 cubic foot. How many whole bags are needed?

A steel connection schedule identifies which joints require snug-tight installation and which require pretensioning. Which approach follows that schedule?

A sling’s required safe-working-load identification is illegible before a planned lift. Which action is required?

A supplied metal-deck takeoff calls for 18 approved pins per sheet over 175 sheets. Boxes contain 900 pins. With no additional allowance, how many whole boxes are required?

People Also Study

Related Study Resources

Practice More Contractor Exam Questions

Access all practice questions with progress tracking and adaptive difficulty to pass your contractor license exam.

Start Practicing

Disclaimer: EstatePass is an independent exam preparation platform and is not affiliated with, endorsed by, or connected to any state contractor licensing board, the Construction Industry Licensing Board (CILB), the Department of Business and Professional Regulation (DBPR), NASCLA, Pearson VUE, PSI, or any government agency. Exam requirements, fees, and regulations change frequently. Always verify current requirements with your state's licensing board before making decisions. Information shown was last verified on the dates indicated and may not reflect the most recent changes.