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City Construction Co., Inc.

Office Address: 50 S 1st Ave, Ste 110, Coatesville, PA 19320
Shop Address: 172 Newlinville Road, Coatesville, PA 19320
Phone: (610) 269-9530
Email: hzimmerer@cityconstructionco.com

Helpful Links:

Employee Website: https://cityconstructionco.com/index.php/employees
OSHA: OSHA Topics | Occupational Safety and Health Administration
City’s Health and Safety Manual: City Construction Co., Inc.’s Health & Safety Manual
City’s Employee Guidelines: Employee Guidelines

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Abrasive Blasting in Construction

Overview of Topic

Abrasive blasting, also known as sandblasting, is a common method used in construction to clean or prepare surfaces by propelling abrasive materials (such as sand, glass beads, or steel shot) at high speeds. While effective, abrasive blasting presents significant hazards, including exposure to harmful dust, flying debris, noise, and respiratory risks from inhaling harmful materials such as silica, lead, and other toxic substances. OSHA regulates abrasive blasting under 29 CFR 1910.94 and provides guidelines to protect workers from these hazards.

Inspection Before Use Requirements

Before starting any abrasive blasting activities, inspect the following:

Blasting Equipment: Check hoses, nozzles, and air compressors for leaks, wear, or damage. Ensure that all equipment is in good working condition.
Personal Protective Equipment (PPE): Ensure that workers have access to and are wearing the necessary PPE, including full-face shields, goggles, heavy-duty gloves, respiratory protection, and appropriate hearing protection.
Respiratory Protection: Inspect respirators for proper fit and ensure they are equipped with the appropriate filters to protect against inhaling harmful dust or chemicals.

Use Requirements

Containment and Ventilation: Use containment systems, barriers, or ventilation controls to minimize the spread of dust and debris to surrounding areas. This helps reduce exposure for other workers and keeps harmful particles contained.
Dust Suppression: Consider using wet blasting or other dust-suppressing techniques to limit the amount of airborne dust generated during blasting operations.
Safe Handling of Materials: Ensure that abrasive materials and surfaces being blasted do not contain harmful substances like lead, silica, or asbestos unless proper controls and PPE are in place.

General Industry Rules Applicable to Construction

Several general industry safety standards also apply to abrasive blasting in construction:

Respiratory Protection Program: Employers must implement a respiratory protection program if workers are exposed to harmful dust. This program must include fit testing, training, and proper maintenance of respirators.
Noise Control: Abrasive blasting can generate high noise levels. Provide hearing protection and ensure that noise levels are regularly monitored.
Hygiene and Decontamination: Workers exposed to hazardous substances during blasting should have access to decontamination facilities, such as showers and hand-washing stations, to remove dust and contaminants from their bodies before leaving the worksite.

Other Safety Rules

Fall Protection: If abrasive blasting is conducted from elevated surfaces, workers must use appropriate fall protection such as guardrails or personal fall arrest systems.
Preventing Flying Debris Injuries: Ensure that workers in surrounding areas are protected from flying debris by using physical barriers, or assigning a safe work zone around blasting operations.
Emergency Response: Workers must be trained on emergency procedures in the event of an equipment malfunction, injury, or overexposure to hazardous dust or chemicals.

Specific Regulations

Refer to the following OSHA regulations related to abrasive blasting in construction:

Abrasive Blasting: 29 CFR 1910.94
Respiratory Protection: 29 CFR 1910.134
Control of Hazardous Substances: 29 CFR 1926.55

Employee Training

Training for workers involved in abrasive blasting should include:

Hazard Recognition: Workers should be trained to recognize the hazards associated with abrasive blasting, including dust exposure, noise, flying debris, and chemical exposure.
Proper Use of PPE: Workers must understand the importance of wearing and properly maintaining PPE, such as respirators, face shields, hearing protection, and protective clothing.
Safe Operation of Blasting Equipment: Instructions on safely operating and maintaining blasting equipment, including how to inspect hoses, nozzles, and other components for wear or damage.
Respiratory Protection: Training should cover the proper use of respirators, fit testing, and how to select the appropriate filters for different hazards.
Emergency Procedures: Workers should be familiar with what to do in case of an emergency, such as equipment failure or accidental overexposure to harmful materials.

Training Tips

Use real-world examples to explain how blasting operations can generate hazardous dust or debris.
Demonstrate the proper use of PPE and blasting equipment during training sessions to ensure workers are prepared.

Where to Go for More Information

OSHA Abrasive Blasting Standard: https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.94
OSHA Respiratory Protection Standard: https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.134
NIOSH Abrasive Blasting Safety Guidelines: https://www.cdc.gov/niosh/topics/blasting/

By following these guidelines and ensuring proper training, workers can perform abrasive blasting safely on construction sites. Always prioritize safety by using appropriate PPE, minimizing dust exposure, and staying aware of potential hazards during blasting operations.