Podcast
Questions and Answers
What must be established prior to masonry wall construction?
What must be established prior to masonry wall construction?
- Scaffold plan
- Limited access zone (correct)
- Safety gear plan
- Worker rotation
What must the lifting inserts for tilt-up wall panels support at least?
What must the lifting inserts for tilt-up wall panels support at least?
Two times the max intended load
Leather or cloth gloves are acceptable for handling cement.
Leather or cloth gloves are acceptable for handling cement.
False (B)
If you get cement on your skin or in your eyes, many suppliers will not recommend you to _____ with olive oil.
If you get cement on your skin or in your eyes, many suppliers will not recommend you to _____ with olive oil.
When working around wet cement, you must check the MSDS and wear protection for your eyes.
When working around wet cement, you must check the MSDS and wear protection for your eyes.
Dry concrete is not as hazardous as wet concrete.
Dry concrete is not as hazardous as wet concrete.
What is the best type of foot protection when stepping in or exposed to wet cement?
What is the best type of foot protection when stepping in or exposed to wet cement?
What does HEPA stand for?
What does HEPA stand for?
What does a HEPA filter minimize when used on power tools?
What does a HEPA filter minimize when used on power tools?
Wet concrete or mortar may cause skin burns that take months to heal.
Wet concrete or mortar may cause skin burns that take months to heal.
Taking short shallow breaths is _____ to protect yourself from inhalation of cement and concrete dust.
Taking short shallow breaths is _____ to protect yourself from inhalation of cement and concrete dust.
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Study Notes
Limited Access Zone
- Must run the entire length of the wall being constructed.
- Width should be equal to the height of the wall plus 4 feet.
Masonry Wall Construction
- Walls higher than 8 feet and unsupported require bracing.
Establishing Limited Access Zone
- A limited access zone must be set up before beginning masonry wall construction.
Lifting Inserts
- Lifting inserts for tilt-up wall panels should support at least two times the maximum intended load.
Lift-Slab Operations
- Require design and planning by a professional engineer experienced in lift-slab techniques.
Safety Gear for Cement Handling
- Leather or cloth gloves are not safe for handling cement.
Skin Protection from Cement
- Suppliers generally do not recommend treating cement exposure on skin with olive oil.
Eye Protection
- When working with wet cement or dust, it’s essential to check the Material Safety Data Sheet (MSDS) and wear eye protection.
Concrete Hazard Levels
- Wet concrete is more hazardous than dry concrete.
Foot Protection
- Best foot protection against wet cement includes rubber boots that are resistant to cement or alkali.
HEPA Filters
- High-efficiency particulate air (HEPA) filters effectively minimize dust and trap over 99% of breathable particles.
Risks of Wet Concrete
- Wet concrete or mortar trapped against skin can lead to severe burns or ulcers, potentially requiring skin grafts.
Inhalation Protection
- Avoid taking short shallow breaths to minimize inhalation of cement and concrete dust.
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