Risk Management & Site Safety Flashcards
7 cards from real IFC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Risk Management & Site Safety flashcards as text
An owner asks a firestop contractor to use a product not listed in the project specifications to save cost. What risk management consideration governs this decision?
Answer: The substitution requires approval through the submittal process and must meet or exceed the specified assembly's fire rating
Product substitutions must go through formal submittal and approval channels to ensure the replacement assembly meets the design intent and code requirements of the project.
What is the primary purpose of maintaining a firestop log (or penetration log) throughout construction?
Answer: To create a permanent, auditable record of every penetration's location, assembly used, and installation verification
A penetration log provides an auditable chain of documentation proving each penetration was firestopped with an approved assembly, which is critical for inspections and future building modifications.
Under IBC Section 714, who bears ultimate responsibility for ensuring that penetrations through fire-rated assemblies are properly firestopped?
Answer: The building owner and the registered design professional of record, enforced through the contractor
The IBC places responsibility on the building owner and design professional of record, and contractors are obligated to execute the work in compliance with approved construction documents.
What is the correct risk response when a firestop installer suspects that asbestos-containing materials (ACM) may be present in a wall assembly they are about to penetrate?
Answer: Stop work immediately, do not disturb the material, and notify the project manager to arrange ACM testing and abatement if required
Suspected ACM must not be disturbed until testing confirms its content; if ACM is confirmed, licensed abatement professionals must remediate before firestop work proceeds.
When evaluating risk for a multi-story firestopping project, which factor most significantly increases the probability of a fire spreading vertically?
Answer: Unsealed or improperly sealed floor-to-floor through-penetrations creating a chimney effect
Unsealed floor penetrations allow fire and toxic gases to travel vertically through the building via a chimney or stack effect, dramatically accelerating fire spread between floors.
What does the term 'residual risk' mean in a firestop project risk management context?
Answer: The level of risk that remains after all feasible controls have been implemented
Residual risk is the risk that persists after controls are applied; it must be evaluated to determine whether it is acceptable or whether additional mitigation is required.
A firestop installer is working in a spray booth applying intumescent spray coatings. Which ventilation requirement is most critical to their safety?
Answer: Adequate mechanical ventilation to keep solvent vapor concentrations below the Lower Explosive Limit (LEL) and below PELs
Solvent-based spray coatings can create explosive vapor concentrations; mechanical ventilation must keep vapors below the LEL and below permissible exposure limits to protect workers.