IMSA LEVEL 1 CERTIFICATION 2026 REVISION
NOTES AND STRUCTURED TRAFFIC
MANAGEMENT OVERVIEW GUIDE
◉ PPE. Answer: Personal Protective Equipment
◉ Importance of PPE. Answer: • Worker Safety.
• Hazard Mitigation
• Legal and Regulatory Compliance
• Risk Reduction
• Confidence and Productivity
• Containment and Prevention of Hazard Spread
• Emergency Preparedness
◉ Signal tech PPE. Answer: • Hard Hat
• Safety Glasses
• Insulated gloves
• Work Boots / safety toe
• High Visibility Retroreflective
Safety Vest
• Fall Protection (Harness)
,• With an SRL or shock absorbing lanyard
◉ Electrical Safety Gloves/Insulating Gloves. Answer: Class 00: Max
use voltage of 500 volts AC, 750 DC
Class 0: Max use voltage of 1,000 volts AC,1500 DC
Class 1: Max use voltage of 7,500 volts AC, 11,250 DC
Class 2: Max use voltage of 17,000 volts AC, 25,500 DC
Class 3: Max use voltage of 26,500 volts AC, 39,750 DC
Class 4: Max use voltage of 36,000 volts AC, 54,000 DC
◉ Key aspects of work zone safety. Answer: Traffic control
Communication
Work Zone Layout
PPE
Speed Management
◉ Look up and live. Answer: Check for overhead wires
◉ Minimum clearance from overhead power lines?. Answer: OSHA
mandates 10 ft
, ◉ Order of power poles. Answer: Highest voltage at top,
communication lower, risers on poles may transition to become
underground utilities
◉ Underground utilities: Red. Answer: Electric Power Lines
◉ Underground utilities: Yellow. Answer: natural gas, steam,
petroleum, oil lines
◉ Underground utilities: Blue. Answer: potable water lines
◉ Underground utilities: Green. Answer: sanitary sewer and storm
drain lines
◉ Underground utilities: Orange. Answer: Communication lines
(phone cable tv fiber optic)
◉ Underground utilities: Pink. Answer: Temporary survey markings
◉ Underground utilities: Purple. Answer: Chilled water, reclaimed
water, irrigation, slurry lines
◉ Underground utilities: White. Answer: proposed excavation
NOTES AND STRUCTURED TRAFFIC
MANAGEMENT OVERVIEW GUIDE
◉ PPE. Answer: Personal Protective Equipment
◉ Importance of PPE. Answer: • Worker Safety.
• Hazard Mitigation
• Legal and Regulatory Compliance
• Risk Reduction
• Confidence and Productivity
• Containment and Prevention of Hazard Spread
• Emergency Preparedness
◉ Signal tech PPE. Answer: • Hard Hat
• Safety Glasses
• Insulated gloves
• Work Boots / safety toe
• High Visibility Retroreflective
Safety Vest
• Fall Protection (Harness)
,• With an SRL or shock absorbing lanyard
◉ Electrical Safety Gloves/Insulating Gloves. Answer: Class 00: Max
use voltage of 500 volts AC, 750 DC
Class 0: Max use voltage of 1,000 volts AC,1500 DC
Class 1: Max use voltage of 7,500 volts AC, 11,250 DC
Class 2: Max use voltage of 17,000 volts AC, 25,500 DC
Class 3: Max use voltage of 26,500 volts AC, 39,750 DC
Class 4: Max use voltage of 36,000 volts AC, 54,000 DC
◉ Key aspects of work zone safety. Answer: Traffic control
Communication
Work Zone Layout
PPE
Speed Management
◉ Look up and live. Answer: Check for overhead wires
◉ Minimum clearance from overhead power lines?. Answer: OSHA
mandates 10 ft
, ◉ Order of power poles. Answer: Highest voltage at top,
communication lower, risers on poles may transition to become
underground utilities
◉ Underground utilities: Red. Answer: Electric Power Lines
◉ Underground utilities: Yellow. Answer: natural gas, steam,
petroleum, oil lines
◉ Underground utilities: Blue. Answer: potable water lines
◉ Underground utilities: Green. Answer: sanitary sewer and storm
drain lines
◉ Underground utilities: Orange. Answer: Communication lines
(phone cable tv fiber optic)
◉ Underground utilities: Pink. Answer: Temporary survey markings
◉ Underground utilities: Purple. Answer: Chilled water, reclaimed
water, irrigation, slurry lines
◉ Underground utilities: White. Answer: proposed excavation
