CSLB Trade — Plumbing (C-36) — All Questions

When respiratory protection is required, such as when a plumber must wear a respirator to work around certain fumes or dusts, what does Cal/OSHA §5144 require of the employer?

• a.Any dust mask handed out is sufficient with no other steps
• b.Respirators only for jobs longer than one week
• c.A written respiratory protection program, medical evaluation, and fit testing before use✓
• d.Nothing, respirators are always optional

Under Title 8 §5144, when respirators are required the employer must have a written respiratory protection program that includes medical evaluation to confirm the worker can safely wear one, fit testing of tight-fitting respirators, proper selection for the hazard, training, and maintenance. A poorly fitted or wrong-type respirator gives false protection. These steps ensure the respirator actually keeps contaminants out.Cal/OSHA Title 8 §5144

A plumber carries heavy cast-iron fittings and works around pipe that could drop on the feet. What foot protection does Cal/OSHA require?

• a.Sandals for ventilation
• b.Protective (safety-toe) footwear where there is a risk of foot injury from falling or rolling objects✓
• c.Ordinary sneakers are fine
• d.Rubber boots only when it rains

Under Title 8 §3385, protective footwear must be worn where there is a danger of foot injuries from falling or rolling objects or from objects piercing the sole. Plumbing work with heavy pipe, fittings, and tools clearly presents that risk, so safety-toe boots meeting the applicable standard are required. Ordinary sneakers or sandals offer no protection against a dropped cast-iron fitting.Cal/OSHA Title 8 §3385

A plumber uses a jackhammer and concrete saw for hours in a parking garage. What does Cal/OSHA require when noise exposure reaches hazardous levels?

• a.Only turn the equipment off occasionally
• b.Nothing, hearing loss is just part of the trade
• c.Cotton stuffed in the ears is acceptable
• d.A hearing conservation program and hearing protection when noise reaches the action level (about 85 dBA over 8 hours)✓

Under Title 8 §5097, when employee noise exposure reaches the action level of about 85 dBA averaged over 8 hours, the employer must implement a hearing conservation program including monitoring, audiometric testing, training, and hearing protectors. Jackhammers and concrete saws easily exceed this. Noise-induced hearing loss is permanent, so earplugs or muffs must be worn, and plain cotton is not adequate protection.Cal/OSHA Title 8 §5097

A plumber is replacing old galvanized and brass fixtures in a home built in the 1950s and notices old lead-based solder and possible lead pipe. What awareness does Cal/OSHA require?

• a.Lead is only a concern in paint, never in plumbing
• b.Simply wear cotton gloves
• c.No precautions since the pipe is old and 'sealed'
• d.Lead exposure controls under the construction lead standard, including avoiding creating lead dust and washing before eating✓

Older plumbing can contain lead pipe, lead-based solder, and leaded brass, and disturbing it (cutting, sanding, torch work) can create lead dust and fumes. Title 8 §1532.1 (construction lead standard) requires exposure assessment, controls, hygiene practices such as washing hands before eating, and training. Lead is a cumulative toxin, so plumbers must avoid ingesting or inhaling it and follow the standard when lead work is likely.Cal/OSHA Title 8 §1532.1

A plumber must cut into old cement pipe that may be asbestos-cement (transite). What is the correct precaution regarding asbestos?

• a.Asbestos-cement pipe is completely safe to cut any way
• b.Just hold your breath while cutting
• c.Do not dry-cut or grind it; asbestos work requires wetting, special methods, and often a trained/certified contractor✓
• d.Cut it dry with a grinder to finish faster

Asbestos-cement (transite) pipe releases hazardous asbestos fibers when dry-cut, ground, or broken. Under Title 8 §1529 (construction asbestos standard), such work requires controls like wetting to suppress dust, specific work practices, and often a registered asbestos contractor and trained workers. Inhaled asbestos causes lung disease and cancer decades later, so never dry-cut suspect cement pipe.Cal/OSHA Title 8 §1529

During a remodel, a plumber suspects material to be removed contains asbestos. Beyond wetting and work practices, what broader requirement often applies to asbestos removal in California?

• a.Advance notification to Cal/OSHA (and use of a registered asbestos contractor) is often required, depending on the amount✓
• b.No notice is ever needed for small jobs
• c.Asbestos can be thrown in the regular trash
• d.Only the homeowner must be told

California requires that asbestos abatement above a threshold amount be performed by a Cal/OSHA-registered asbestos contractor with trained, certified workers, and advance notification to Cal/OSHA is generally required. Asbestos waste must be handled and disposed of as hazardous material, not placed in regular trash. Because rules are strict and health stakes high, plumbers should stop and get proper abatement rather than disturb suspect material.Cal/OSHA Title 8 §1529

A plumbing crew works all day at a remote new-construction site with no permanent facilities. What sanitation must the employer provide under Cal/OSHA?

• a.Nothing until the building is finished
• b.Potable drinking water and toilet facilities, plus handwashing facilities on the site✓
• c.Workers must drive to a gas station for all needs
• d.Only bottled water, no toilets

Under Title 8 §1526 (construction sanitation), employers must provide an adequate supply of potable drinking water, toilet facilities, and handwashing facilities at the jobsite. Plumbers handle sewage and contaminated water, so handwashing before eating or drinking is essential to prevent illness. Non-potable water sources must be clearly marked so they are never used for drinking.Cal/OSHA Title 8 §1524, §1526, §1527

A plumber sets a straight (extension) ladder to reach a roof to service a vent. How should the ladder be positioned for safe use?

• a.Leaning at any angle as long as someone holds it
• b.At a 1-to-1 angle for easy climbing
• c.At about a 4-to-1 pitch (1 foot out for every 4 feet of height) and extending at least 3 feet above the landing✓
• d.Nearly vertical against the wall to save space

Cal/OSHA ladder rules call for a non-self-supporting ladder to be set at about a 4:1 ratio, one foot of base out for every four feet of working height, and to extend at least 3 feet above the upper landing so the user has a handhold when stepping off. Too steep risks tipping backward; too shallow risks the base sliding out. The ladder must also be on firm, level footing and secured.Cal/OSHA Title 8 §1675

A plumber must work at an elevated edge where guardrails are not feasible and uses a personal fall arrest system. What are the essential components of that system?

• a.A rope tied around the waist and a helmet
• b.A full-body harness, a shock-absorbing lanyard or self-retracting lifeline, and a secure anchorage rated for fall arrest✓
• c.Just a body belt clipped to a nail
• d.A guardrail only, with no personal equipment

Under Cal/OSHA fall-protection rules, a personal fall arrest system consists of a full-body harness (body belts are prohibited for fall arrest), a connecting device such as a shock-absorbing lanyard or self-retracting lifeline, and an anchorage capable of supporting the required arresting forces. The system must limit arrest forces and free-fall distance and be inspected before use. Missing or mismatched components can make a fall fatal.Cal/OSHA Title 8 §1670

A plumber must move a heavy cast-iron water heater and lengths of pipe across a jobsite. What is the safest material-handling practice?

• a.Lift the heaviest load alone quickly to save time
• b.Twist at the waist while lifting to speed the turn
• c.Carry as much as possible in one trip to reduce trips
• d.Use mechanical aids (dolly, hand truck) or team lifting, keep the back straight, lift with the legs, and avoid twisting✓

Safe material handling means sizing up the load and using mechanical aids like dollies or hand trucks, or getting help for heavy or awkward items, rather than overloading one person. Proper body mechanics, keeping the load close, bending the knees, lifting with the legs, and not twisting, reduce back injuries, which are among the most common in the trades. Planning the path and clearing obstacles also prevents strains and drops.