KDOT Safety Regulations & Compliance 2

Question 1

Under KDOT's work zone safety requirements, what minimum distance must a flagger be stationed from the nearest lane taper when controlling traffic?

Accepted Answer

At the end of the taper

Answer

Flaggers must be stationed at the end of the taper so drivers can see the flag signal before entering the transition area.

Question 2

Which federal regulation governs the permissible exposure limits (PELs) for silica dust that KDOT inspectors must enforce on road construction sites?

Accepted Answer

OSHA 29 CFR 1926.1153

Answer

OSHA 29 CFR 1926.1153 sets the construction industry PEL for respirable crystalline silica at 50 µg/m³ as an 8-hour TWA.

Question 3

A contractor's employee refuses to wear a hard hat in a posted hard-hat zone. What is the KDOT inspector's first required action?

Accepted Answer

Notify the contractor's superintendent to correct the violation

Answer

The inspector must first notify the contractor's superintendent to correct the PPE violation before escalating to a stop-work order.

Question 4

According to KDOT standards, what color vest must construction workers wear when operating within 15 feet of moving traffic?

Accepted Answer

Class 3 high-visibility vest

Answer

Workers within 15 feet of moving traffic must wear ANSI/ISEA Class 3 high-visibility vests because they provide maximum conspicuity.

Question 5

When must a KDOT inspector complete a safety inspection of a trench excavation deeper than 5 feet?

Accepted Answer

At the start of each shift and after any event that could affect stability

Answer

OSHA 29 CFR 1926.651 requires a competent person to inspect excavations at the start of each shift and after any event that could increase hazard.

(KDOT) Certified Kansas Department of Transportation Inspector Practice Test