Barricades and Fencing

Barricades act as warning devices, alerting others of the hazards created by construction activities, and should be used to control traffic, both vehicular and pedestrian, safely through or around the work site. Contractors should use barricades as required in 29 CFR 1926 Subpart G -Signs, Signals, and Barricades, or wherever necessary for the physical protection of people or property. Temporary cyclone fencing, plastic safety fencing and portable manhole barricades are examples of acceptable barricading. Yellow caution tape and/or cones are not considered acceptable barricades, and should be used only until more suitable barricades can be erected. Signage and illumination should be used where appropriate.
In addition, the following are examples of activities where barricade use is required by code or regulation. Contractors should barricade the following areas:

• Wherever construction debris is dropped without the use of an enclosed chute (29 CFR 1926 – Demolition).
  
• Areas with temporary wiring operating at more than 600 volts (29 CFR 1926 Subpart K – Electrical).
  
• Work areas for electrical equipment with exposed, energized parts (29 CFR 1926 Subpart K – Electrical).
  
• The swing radius of the rotating superstructure of cranes or other equipment (29 CFR 1926 Subpart N – Cranes, Derricks, Hoists, Elevators, and Conveyors).
  
• Wherever equipment is left unattended near a roadway at night (29 CFR 1926 Subpart O – Motor Vehicles, Mechanized Equipment, and Marine Operations).
  
• Excavations (29 CFR 1926 Subpart P – Excavations).
  
• Areas used for the preparation of explosive charges or blasting operations (29 CFR 1926 Subpart U – Blasting and Use of Explosives).
  
• Street openings, such as manholes (multiple requirements found in 29 CFR 1926).
  
• Construction areas in energized electrical substations (29 CFR 1926 Subpart V - Power Transmission and Distribution).

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