IFC Safety Regulations & OSHA Compliance 3

Question 1

A firestop installer needs to work inside a large mechanical shaft classified as a permit-required confined space. Under OSHA 29 CFR 1910.146, what is the FIRST step before entry?

Accepted Answer

Conduct atmospheric testing

Answer

Atmospheric testing must occur before entry to identify oxygen deficiency, flammability, and toxic conditions before a permit is issued.

Question 2

Under OSHA lockout/tagout (LOTO) requirements at 29 CFR 1910.147, when firestop work requires breaching a wall containing energized conduit, who is authorized to perform energy isolation?

Accepted Answer

Only the authorized employee trained in LOTO procedures

Answer

Only an 'authorized employee' — one who has been trained to lock out or tag out machines — may perform energy isolation under LOTO.

Question 3

OSHA's Fall Protection standard (29 CFR 1926.502) requires fall protection for construction workers at what minimum height above a lower level?

Accepted Answer

6 feet

Answer

OSHA requires fall protection for construction workers when working at heights of 6 feet or more above a lower level.

Question 4

A firestop installer is applying products in a space where airborne silica dust from concrete cutting is present. Which OSHA standard sets the Permissible Exposure Limit (PEL) for respirable crystalline silica?

Accepted Answer

29 CFR 1926.1153

Answer

29 CFR 1926.1153 is OSHA's specific standard for respirable crystalline silica in construction, setting the PEL at 50 µg/m³ as an 8-hour TWA.

Question 5

Under IBC and OSHA requirements, firestop penetration seals in rated assemblies must be installed per the Listing and Installation Instructions (L&II). Deviating from these instructions constitutes a violation under which OSHA provision?

Accepted Answer

Section 5(a)(1) — General Duty Clause

Answer

Deviations from manufacturer L&II that create recognized hazards can be cited under OSHA's General Duty Clause even without a specific standard.

(IFC) International Firestop Council Premier Certificate Practice Test

(IFC) International Firestop Council Premier Certificate Practice Test

IFC Safety Regulations & OSHA Compliance 3