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Guides for Managing Silica Control Programs in Construction PDF Version Mount Sinai School of Medicine
 

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Mark Goldberg, Nancy Clark, Katya Wanzer, Norman Zuckerman
Mount Sinai School of Medicine, Hunter College - Urban Public Health Program

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Overview

Section 1: Planning Toolbox Talks
  • Who Plans the Toolbox Talks
  • What to Plan
  • When to Hold Toolbox Talks
Section 2: Conducting the Toolbox Talks
Section 3: Topics and Worksheets
    Silica Health Effects
    Silica Control Methods and Respirators
    Silica Air Monitoring and Results
Overview

Toolbox Talks are a good and effective ways to communicate safe work practices for silica generating activities and to reinforce jobsite training. OSHA requires construction employers to have hazard communication and accident prevention programs that include worker training on hazard awareness and controls. Toolbox Talks help satisfy these requirements.

The most successful Toolbox Talks:
  • Make the topic site specific
  • Use actual examples from the site to illustrate the topic
  • Involve workers in a brief discussion about the topic
  • Reinforce best safety and health practices
Overview of the Guide

1. Planning Toolbox Talks
2. Conducting Toolbox Talks
3. Toolbox Talks Topics and Worksheets
  • Silica Health Effects
  • Silica Control Methods & Respirators
  • Silica Air Monitoring and Results
— This Guide will elaborate on these tasks —

Planning

Who plans the Toolbox Talks
  • Health & Safety Committee
  • Company Health & Safety Department
  • Site Health & Safety Officer
What to Plan

Planning the Toolbox Talk is straightforward. Remember the most important aspects of Toolbox Talks are selecting a topic related to current work activities and involving workers in a brief discussion.
  • Do a quick inspection and focus on site conditions that illustrate the topic.
  • Use the Planning Checklist below.
  • See the Toolbox Talks for Silica worksheets in Section 3.
  • Use these worksheets to prepare for each individual topic.
  • Handout copies of the completed worksheet during the talk.
When to hold toolbox talks
  • Meetings are generally held weekly but may be held more frequently.
  • The meetings are brief - usually lasting 5 to 15 minutes.
Planning Checklist
Item
Comments
Select the topic Make sure it relates to the site; review site activities and conditions  
Prepare a Handout Use the worksheets in Section 3 as examples. Add site specific activities and concerns to illustrate the topic, and discussion questions.  
Pick a Time Establish a regular day and time, usually at the beginning of the shift.  
Pick a Location Use a space that is quiet and away from distracting activities. Workers should be able to hear, ask questions, and participate in discussions.  
Inform Workers the Day Before Time, place, topic  
Language Be sure that all Toolbox Talks are given in words and a language that workers can understand. Use translators if needed.  

Section 1 Notes
  • Toolbox Talks are required on many projects. They help workers keep up-todate about work operations and related hazards.
  • Taking time to plan the Toolbox Talk results in maintaining good communication and reinforcing safe work practices.

Conducting Toolbox Talks

Who should conduct the Toolbox Talks?
  • Supervisors, foremen, and union stewards are the best people to help plan and deliver Toolbox Talks.
  • Sometimes other people with a particular expertise or interest, like the company safety officer, project staff, industrial hygienist, or insurance representative may be recruited to lead a talk.
Use the completed worksheet for the talk. Read it directly or use the highlighted points as discussion starters. It's a matter of style. Some people are more comfortable reading the sheet and others like to use their own words. Use the filled in worksheet for a handout and encourage workers to participate. Be prepared to follow up on issues that arise. See the Toolbox Talk Tips below.

Toolbox Talks
  • Adults learn best when the topic:
    • relates to what they do
    • gives them a chance to discuss the issues.
    • allows them to use what they have learned.
  • Back up the Toolbox Talk with questions. Ask the group questions about the topic and conditions at the site. Give people a chance to answer.
  • Ask about personal experience. What are the conditions at this site? Has this issue come up at other sites? How were any problems fixed?
  • Encourage participation from the group but don't let a single person dominate. Wait till he/she catches their breath, say "Thank You" and move on.
  • Never make fun of any one and treat all comments seriously.
  • Respond to all legitimate complaints and make a point to follow up.
  • If you don't know an answer - say so - make a note of the question and follow up.
  • Allow a little time for general discussion, e.g. accidents or near misses. This is not a gripe session.
Topics and Worksheets

This section contains four worksheets for Silica Toolbox Talks. Each worksheet contains general information on the topic, places to fill in site specific information, and suggested discussion questions. A suggested schedule for giving each topic is listed in the chart below. Keep in mind that Toolbox Talks are intended as updates and reminders - not as a replacement for training. All of these topics should be covered in the initial silica orientation training.

Topic
Schedule
Health Effects of Silica Before silica work begins; repeat as needed
Silica Control Methods and Respirators As controls and respirators are introduced at site; repeated as needed
Silica Air Monitoring and Results Before and after air monitoring is done

TOOLBOX TALK WORK SHEET: HEALTH EFFECTS OF SILICA

Silica is a mineral naturally found in rock, gravel, sand, and dirt. Materials made from these things, like concrete, masonry, brick, and block, also contain silica. Silica is a hard crystalline material, sometimes called quartz. Don't confuse it with silicone which is a synthetic rubber product used in caulk, sealants, and adhesives.

Construction workers may be exposed to silica dust when they work with rock, concrete, masonry, and bricks.

Group question: On this site, what activities might generate silica dust?

List activities at this site that may expose workers to silica dust.
(For example: chipping or drilling rock or concrete; sawing or grinding concrete and masonry; crushing rock or concrete)
 
 
 
 
 
 

Group question: Has anyone heard of silicosis?

Silicosis is a very serious lung disease caused by breathing silica dust.
  • Silica dust causes scarring and damage in the lungs. It is a serious disease like emphysema.
  • Miners, tunnel workers, sand blasters, and other construction workers are at risk for silicosis.
  • Silicosis can occur after 10 or more years of exposure to silica dust.
  • The disease is not often noticed in its early stages but eventually causes shortness of breath, fatigue, loss of appetite, chest pains, and lung failure.
  • People with silicosis are more susceptible to tuberculosis and bronchitis.
  • Smoking increases lung damage.
  • Silicosis also increases the risk for lung cancer and can be fatal.
There are no medical tests for early detection and no treatment for silicosis so preventing exposure is very important.

Group question: How is silica dust controlled on this site?

List silica dust control methods and where they are required
(For example: Water spray for drills, dust collectors on grinders, respirators for jack hammers)
 
 
 
 
 
 

If there is a dust control method for your work use it. If your work requires a respirator, wear it.

Group question: Does anyone have any questions or comments about silica exposures or control methods at the site?


TOOLBOX TALK WORKSHEET: SILICA CONTROL METHODS & RESPIRATORS

Some work activities on this site might result in high exposures to silica dust and fume.

Group question: What are the dust control methods used on this site?
List silica dust control methods on this site.
(For example: water spraying for drilling, dust collector on grinder)
 
 
 
 

Group question: What jobs do you need to wear respirators for?

List silica jobs at this site that require a respirator (Example: Jack hammer: Half-face respirator)

Task
Respirator Selected
   
   
   

Respirator Reminders
  • Always wear your respirator when doing silica work or working near others who are.
  • Check the facepiece seal each time you put on the respirator. Do positive and negative pressure checks.
  • Make sure you use P-100 filters (the pink ones). Get replacement filters and other spare parts from:
  • Change your filters whenever it is hard to breathe through them or if they are dirty or damaged.
  • Keep your respirator clean. Wash it with warm soap and water and let it air dry. In the field, use respirator wipes. Each foreman has some at each gang box or respirator cleaning area.
  • Store your respirator in a clean container when you are not using it. Sturdy plastic bags or rigid containers are best.
  • Be clean shaven - this keeps a good seal between the face and the mask.
  • If you have any problem with your respirator, report to your supervisor and get it fixed. Go to a clean area before you take off your respirator.
  • Never wear a dust mask when doing silica tasks!
Group question? Does anyone have any questions or comments about silica controls on the site? Wet methods? Respirators? Are controls effective- if not why not? Any suggestions for additional controls.


TOOLBOX TALK WORKSHEET: SILICA AIR MONITORING AND RESULTS

Air monitoring is the best way to evaluate worker exposure to silica dust. We will be doing air monitoring for the different tasks at this site from time to time.
  • Air monitoring equipment includes a small air pump, tubing, and a filter.
  • An industrial hygienist (IH) clips the pump to your belt and positions the filter on your upper chest. This is called a breathing zone sample.
  • If the IH asks you to wear the pump, it is important to cooperate.
  • The IH will advise you to work normally and will periodically check the pump. Sometimes the IH will change the filter.
  • If the pump interferes with your work or the pump malfunctions, let the IH know.
The IH for this project is:__________________________________________
The first air monitoring date is:_____________________________________
These activities will be monitored:__________________________________

Group questions: Has anyone here ever worn an air monitoring pump? Can you tell the group what it was like?

Air monitoring results.
  • At the end of the shift, the IH will send the filter to a special laboratory.
  • The lab will measure two things: the amount of total dust on the filter and the amount of silica dust.
  • These results will be compared to the exposure limits for silica and dust.
  • The results will be used to pick controls for the activity and to make sure that the right respirator is used.
  • The lab usually takes 2-4 weeks to do the measurement and send the results.
  • Individual results will be given to monitored workers.
  • We will post the results and go over them in a Toolbox meeting when we get them.
Group question: Does anyone have any questions or comments about air monitoring on the site?

Back to Guides for Managing Crystalline Silica Control Programs in Construction

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© 2004 by The Mount Sinai — Irving J. Selikoff Center for Occupational and Environmental Medicine