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asphalt paving in traffic

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Asphalt paving in traffic presents several hazards that require careful risk assessment and control measures. These hazards can be broadly categorized into traffic-related risks, material-related risks, and environmental risks.

Traffic-Related Risks:

Struck-by incidents: Workers are at risk of being struck by passing vehicles. This risk is heightened by reduced visibility, speeding vehicles, and distracted drivers. Control measures include setting up a well-defined work zone with highly visible barriers, signage, and flaggers to direct traffic safely around the work area. Reducing speed limits in the vicinity and using traffic control devices can further mitigate this risk.
Equipment collisions: The operation of heavy machinery such as pavers, rollers, and dump trucks in close proximity to traffic increases the risk of collisions. Implementing strict traffic management plans, using spotters, and ensuring equipment operators are properly trained can help prevent these incidents.

Material-Related Risks:

Exposure to asphalt fumes: Asphalt contains hazardous components like crystalline silica and asphalt [1]. Asphalt fumes can cause respiratory irritation, skin irritation, and may even be carcinogenic with prolonged exposure 2, 4, 5, 6, 13, 17, 19. Engineering controls such as ventilation systems should be used to minimize exposure 9, 11, 12, 15, 20. Workers should wear appropriate respiratory protection, such as NIOSH-approved dust masks or respirators, especially in poorly ventilated areas [2]. Personal protective equipment, including gloves and protective clothing, should be used to prevent skin contact 1, 9, 11, 12, 15, 20.
Burns: Hot asphalt can cause thermal burns upon contact [3]. Workers should wear heat-resistant gloves, clothing, and footwear to prevent burns. Proper training on handling hot asphalt is essential.
Slips, trips, and falls: Uneven surfaces, spills, and debris can create slip, trip, and fall hazards. Maintaining a clean and organized work area, providing good lighting, and using slip-resistant footwear can reduce these risks.

Environmental Risks:

Weather conditions: Extreme weather conditions such as heat, cold, rain, or snow can increase the risk of accidents and health issues. Schedule work to avoid extreme weather, provide adequate shelter, and ensure workers are properly hydrated and protected from the elements.
Environmental contamination: Asphalt materials can potentially contaminate soil and water. Implement measures to prevent spills and contain runoff. Dispose of waste materials properly in accordance with environmental regulations [4].

Monitoring and Review:

Regularly inspect the work zone to ensure traffic control measures are effective and in good condition.
Conduct air monitoring to assess exposure levels to asphalt fumes and silica dust.
Provide ongoing training to workers on hazard identification, risk mitigation, and safe work practices.
Review incident reports and near-miss events to identify areas for improvement.

By implementing these control measures and maintaining a proactive approach to safety, the risks associated with asphalt paving in traffic can be significantly reduced.

4 source record(s)

Sources used for this answer

[1] QUIKRETE - H1: Asphalt Repair Products

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Open source document

Source excerpt

QUIKRETE GHS SAFETY DATA SHEET CEMENT & CONCRETE PRODUCTS™ # H1: Asphalt Repair Products SAFETY DATA SHEET (Complies with OSHA 29 CFR 1910.1200) ## SECTION I: PRODUCT IDENTIFICATION The QUIKRETE® Companies 5 Concourse Parkway, Suite 1900 Atlanta, GA [redacted postal code] Emergency Telephone Number INFOTRAC (800) 535-5053 Information Telephone Number (800) 282-5828 SDS H1 Revision: Jun-20 <table><tr><th>QUIKRETE® Product Name</th><th>Code #</th></tr><tr><td>COMMERCIAL GRADE BLACKTOP PATCH</td><td>1701-50, -52</td></tr><tr><td>ASPHALT PATCH</td><td>1701-58</td></tr><tr><td>BLACKTOP PATCH</td><td>1701-60</td></tr><tr><td>HIGH PERFORMANCE BLACKTOP REPAIR</td><td>1701-62</td></tr></table> Product Use: Repairing asphalt pavement, driveways and parking lots ## SECTION II - HAZARD IDENTIFICATION Hazard-determining components of labeling: Silica, Asphalt 2.1 Classification of the substance or mixture Carcinogen - Category 1A Specific Target Organ Toxicity Repeat Exposure - Category 1 Eye Irritant - Category 2B - 2.2a Signal word DANGER! 2.2b Hazard Statements May cause cancer through chronic inhalation Causes damage to lungs through prolonged or repeated inhalation May cause eye irritation if particles or dust get in eye SDS H1 QUIKRETE Companies, LLC 6/17/2020 Page 1 of 9

[2] Henry 107 Asphalt Emulsion Sealer and Damp Proofer

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Open source document

Source excerpt

# HE107 - ASPHALT EMULSION Revision Date 03-Dec-2015 Symptoms May cause redness and tearing of the eyes. Coughing and/ or wheezing. May cause skin irritation. Delayed and immediate effects as well as chronic effects from short and long-term exposure Sensitization No information available. Germ cell mutagenicity No information available. Carcinogenicity The table below indicates whether each agency has listed any ingredient as a carcinogen. <table><tr><th>Chemical Name</th><th>ACGIH</th><th>IARC</th><th>NTP</th><th>OSHA</th></tr><tr><td>Asphalt 8052-42-4</td><td>-</td><td>Group 2B</td><td>-</td><td>X</td></tr></table> IARC (International Agency for Research on Cancer) Group 2B - Possibly Carcinogenic to Humans OSHA (Occupational Safety and Health Administration of the US Department of Labor) X Present Reproductive toxicity No information available. STOT - single exposure Target Organs. Respiratory system. Eyes. Skin. STOT - repeated exposure No information available. Target Organ Effects Eyes, Respiratory system, Skin, lungs. Aspiration hazard No information available. Numerical measures of toxicity - Product Information The following values are calculated based on chapter 3.1 of the GHS document ATEmix (oral) 7,823.00 mg/kg ATEmix (dermal) 3,158.00 mg/kg ## 12. ECOLOGICAL INFORMATION ## Ecotoxicity 99.[redacted postal code] % of the mixture consists of components(s) of unknown hazards to the aquatic environment Persistence and degradability No information available. ## Bioaccumulation <table><tr><th>Chemical Name</th><th>Partition coefficient</th></tr><tr><td>Asphalt 8052-42-4</td><td>6</td></tr></table> Other adverse effects No information available ## 13. DISPOSAL CONSIDERATIONS Waste treatment methods Disposal of wastes ## Contaminated packaging Disposal should be in accordance with applicable regional, national and local laws and regulations. Do not reuse container. This product contains one or more substances that are listed with the St…

[3] Sakrete - Blacktop Patch

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Open source document

Source excerpt

# Sakrete Blacktop Patch Safety Data Sheet according to the Hazard Communication Standard (CFR29 1910.1200) HazCom 2012. ## SECTION 8: Exposure controls/personal protection ## 8.1. Control parameters <table><tr><th colspan="2">Sakrete Blacktop Patch</th></tr><tr><td colspan="2">No additional information available</td></tr><tr><td colspan="2">Asphalt (8052-42-4)</td></tr><tr><td colspan="2">USA - ACGIH - Occupational Exposure Limits</td></tr><tr><td>ACGIH OEL TWA</td><td>0.5 mg/m3 (fume, inhalable particulate matter)</td></tr><tr><td>ACGIH chemical category</td><td>Not Classifiable as a Human Carcinogen fume, coal tar-free</td></tr><tr><td colspan="2">USA - ACGIH - Biological Exposure Indices</td></tr><tr><td>BEI (BLV)</td><td>2.5 µg/l Parameter: 1-Hydroxypyrene with hydrolysis - Medium: urine - Sampling time: end of shift at end of workweek (background) Parameter: 3-Hydroxybenzo(a)pyrene with hydrolysis - Medium: urine - Sampling time: end of shift at end of workweek (nonquantitative)</td></tr><tr><td colspan="2">Quartz ([redacted postal code]-60-7)</td></tr><tr><td colspan="2">USA - ACGIH - Occupational Exposure Limits</td></tr><tr><td>ACGIH OEL TWA</td><td>0.025 mg/m3 (respirable particulate matter)</td></tr><tr><td>ACGIH chemical category</td><td>Suspected Human Carcinogen</td></tr><tr><td colspan="2">USA - OSHA - Occupational Exposure Limits</td></tr><tr><td>Local name</td><td>Quartz (Total Dust) (Silica: Crystalline)</td></tr><tr><td>OSHA PEL (TWA) [1]</td><td>50 µg/m³ (Respirable crystalline silica)</td></tr><tr><td>Remark (OSHA)</td><td>Table Z-3. For OSHA PEL (TWA) use formula: (30 mg/m3 / (%SiO2+2)) for mg/m3. CAS No. source: eCFR Table Z-1.</td></tr><tr><td>Regulatory reference (US-OSHA)</td><td>OSHA Annotated Table Z-3 Mineral Dusts</td></tr><tr><td>8.2. Appropriate engineering controls</td><td></td></tr></table> Appropriate engineering controls : Use ventilation adequate to keep exposures (airborne levels of dust, fume, vapor, etc.) below recommend…

[4] Sakrete - Blacktop Patch

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Open source document

Source excerpt

# Sakrete Blacktop Patch Safety Data Sheet according to the Hazard Communication Standard (CFR29 1910.1200) HazCom 2012. ## 10.6. Hazardous decomposition products Oxides of nitrogen. Oxides of sulfur. May include, and are not limited to: oxides of carbon. Vapors may contain hydrogen sulfide gas (H2S) which can be harmful or fatal if inhaled. ## SECTION 11: Toxicological information ## 11.1. Information on toxicological effects <table><tr><th>Acute toxicity (oral)</th><th>Not classified</th></tr><tr><td>Acute toxicity (dermal)</td><td>Not classified</td></tr><tr><td>Acute toxicity (inhalation)</td><td>Not classified</td></tr><tr><td colspan="2">Asphalt (8052-42-4)</td></tr><tr><td>LD50 oral rat</td><td>> 5000 mg/kg</td></tr><tr><td>LD50 dermal rabbit</td><td>> 2000 mg/kg</td></tr><tr><td>LC50 inhalation rat</td><td>> 94.4 mg/m3 (Exposure time: 4.5 h)</td></tr><tr><td>Skin corrosion/irritation</td><td>Not classified</td></tr><tr><td>Serious eye damage/irritation</td><td>Not classified</td></tr><tr><td>Respiratory or skin sensitization</td><td>Not classified</td></tr><tr><td>Germ cell mutagenicity</td><td>Not classified</td></tr><tr><td>Carcinogenicity</td><td>May cause cancer.</td></tr><tr><td colspan="2">Asphalt (8052-42-4)</td></tr><tr><td>IARC group</td><td>2B - Possibly carcinogenic to humans</td></tr><tr><td>In OSHA Hazard Communication Carcinogen list</td><td>Yes</td></tr><tr><td colspan="2">Quartz ([redacted postal code]-60-7)</td></tr><tr><td>IARC group</td><td>1 - Carcinogenic to humans</td></tr><tr><td>National Toxicology Program (NTP) Status</td><td>Known Human Carcinogens</td></tr><tr><td>In OSHA Hazard Communication Carcinogen list</td><td>Yes</td></tr><tr><td>Reproductive toxicity</td><td>Not classified</td></tr><tr><td>STOT-single exposure</td><td>Not classified</td></tr><tr><td>STOT-repeated exposure</td><td>Causes damage to organs (lungs) through prolonged or repeated exposure. Respirable crystalline silica in the form of quartz or cri…

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Publisher: SALUS
Final reviewer: Francis Langlois
Original answer: Jul 2, 2025

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