CSLB C-8 Concrete (Trade Exam) — All Questions

Which written safety program must every California employer maintain?

• a.A stormwater pollution plan
• b.A quality control manual
• c.An Injury and Illness Prevention Program✓
• d.A traffic control plan

Title 8 §1509 requires every employer to establish, implement and maintain an effective IIPP under GISO §3203. The other plans apply only in particular situations.Cal. Code Regs. tit. 8, §1509

What must a construction employer's first-aid kit be kept in?

• a.A locked office cabinet
• b.The foreman's truck only
• c.A weatherproof container✓
• d.Any cardboard box

Title 8 §1512 requires at least one first-aid kit in a weatherproof container, regularly inspected and restocked.Cal. Code Regs. tit. 8, §1512

Who must select and provide hand protection against chemical burns from wet cement?

• a.The building inspector
• b.The employer✓
• c.The cement supplier
• d.The worker

GISO §3384 requires employers to select, provide and require appropriate hand protection where hands are exposed to hazards such as chemical burns.Cal. Code Regs. tit. 8, §3384

A worker develops a worsening skin rash after years of handling cement. What is a likely cause?

• a.Silica in the fresh concrete
• b.An allergy to hexavalent chromium✓
• c.Too little water in the mix
• d.Low air content

Some workers become allergic to the hexavalent chromium in cement; the allergy can appear after years and worsen with each exposure.CPWR/eLCOSH, Cement Hazards and Controls

Wet cement gets on a worker's forearm. What should be done?

• a.Rinse it in the tool bucket.
• b.Cover it with a glove.
• c.Wash it off with cool, clean water.✓
• d.Wipe it with a dry rag later.

Skin in contact with wet cement should be washed immediately with large amounts of cool, clean water; tool-bucket water is full of cement.CPWR/eLCOSH, Cement Hazards and Controls

A laborer uses a handheld wet saw indoors for 2 hours. Under Table 1, what respirator is needed?

• a.A dust mask only
• b.A supplied-air hood
• c.APF 10 respirator✓
• d.None, under 4 hours

For handheld power saws with integrated water used indoors or in an enclosed area, Table 1 requires APF 10 for any duration; the 4-hour threshold applies outdoors.Cal. Code Regs. tit. 8, §1532.3

Under Cal/OSHA's silica rule, what makes someone a competent person?

• a.Has worked 10 years
• b.Holds a college degree
• c.Owns the company
• d.Can spot and fix silica hazards✓

A competent person can identify existing and foreseeable silica hazards and has authorization to take prompt corrective measures; both knowledge and authority are needed.Cal. Code Regs. tit. 8, §1532.3

On an 85 °F day, a finisher feels overheated and wants to rest in the shade. What does the heat rule say?

• a.Only at scheduled breaks.
• b.Allow and encourage the rest.✓
• c.Only with a doctor's note.
• d.Only above 95 °F.

Employees must be allowed and encouraged to take a preventative cool-down rest in the shade whenever they feel the need; the 95 °F threshold is for high-heat procedures.Cal. Code Regs. tit. 8, §3395

About how long does acclimatization to heat take for most people, under the heat rule's definition?

• a.Four to fourteen days✓
• b.One full season
• c.One to two hours
• d.Thirty days

Title 8 §3395 states acclimatization peaks in most people within four to fourteen days of regular work for at least two hours a day in the heat.Cal. Code Regs. tit. 8, §3395

A saw operator's noise exposure exceeds Cal/OSHA's Table N-1. What must the employer use first?

• a.Earplugs only, in every case
• b.A shorter lunch break
• c.Nothing if the job is outdoors
• d.Feasible noise controls✓

When sound levels exceed Table N-1, feasible administrative or engineering controls must be used; if they fail to bring levels within the table, personal protective equipment is provided and used.Cal. Code Regs. tit. 8, §5096

A worker will place concrete on a wall top 8 ft above grade with no guardrail. What is required?

• a.Personal fall protection✓
• b.Nothing under 10 ft
• c.A spotter below
• d.A hard hat only

Title 8 §1670 requires personal fall arrest, restraint or positioning systems where workers are exposed to falls in excess of 7½ feet.Cal. Code Regs. tit. 8, §1670

Where must the mid-rail of a standard guardrail be?

• a.Anywhere below 30 inches
• b.Halfway between top rail and floor✓
• c.At the same height as the top rail
• d.Six inches above the floor

Title 8 §1620 places the mid-rail halfway between the top rail and the floor, platform, runway or ramp.Cal. Code Regs. tit. 8, §1620

A contractor uses round rebar caps. What minimum diameter must they have?

• a.3 inches
• b.2 inches
• c.1½ inches
• d.4½ inches✓

Title 8 §1712 requires protective covers of at least 4 × 4 in square or, if round, at least 4½ in in diameter.Cal. Code Regs. tit. 8, §1712

What safety system must every concrete pump have under Title 8?

• a.An emergency stop system✓
• b.A fire extinguisher only
• c.A second operator
• d.A backup alarm only

Title 8 §1720 requires each machine to be equipped with an emergency stop system, with stops at the control panels and remote control.Cal. Code Regs. tit. 8, §1720

A crane is lowering a concrete bucket into position. Where may workers stand?

• a.Not under the bucket✓
• b.Directly under it to guide it
• c.On the bucket rim
• d.Under it if wearing hard hats

No employee may work under concrete buckets while they are being elevated or lowered into position, and riding buckets is prohibited.Cal. Code Regs. tit. 8, §1720

When must haulage vehicles be checked for brakes, lights and other safety equipment?

• a.Only after an accident
• b.Only at annual inspection
• c.Once a month
• d.Start of each shift✓

Title 8 §1593 requires vehicles in use to be checked at the beginning of each shift for safe operating condition.Cal. Code Regs. tit. 8, §1593

A small truck without an automatic backup alarm must back up where the driver can't see behind it. Which option does Title 8 allow?

• a.Honking once before backing
• b.Turning on the headlights
• c.A spotter in clear view✓
• d.Backing slowly without help

Where rear vision is obstructed and there is no automatic alarm or braking device, administrative controls such as a spotter in clear view of the operator may be used.Cal. Code Regs. tit. 8, §1592

A laborer carries a long aluminum screed near a 12,000-volt overhead line. Under the general clearance table, how close may it come?

• a.No closer than 1 foot
• b.No closer than 6 feet✓
• c.No closer than 2 feet
• d.Any distance if gloved

Title 8 §2946 Table 1 sets 6 ft for general activities near lines from 600 to 50,000 volts; boom-type equipment uses Table 2 (10 ft).Cal. Code Regs. tit. 8, §2946

Flaggers work a curb job after dark. What must their warning garments be?

• a.Retroreflective✓
• b.Orange only
• c.Not required at night
• d.Any bright color

During hours of darkness, warning garments must be retroreflective and meet the ANSI/ISEA high-visibility standard, and flagger stations must be lit.Cal. Code Regs. tit. 8, §1598

Where should waste solvent rags and empty sealer cans go on a jobsite?

• a.A storm drain inlet
• b.The concrete washout
• c.The general debris pile
• d.Covered, separate containers✓

Title 8 §1513 requires flammable or hazardous wastes to be placed in covered containers separate from normal debris.Cal. Code Regs. tit. 8, §1513

A mixer with lockable controls needs a repair. What does Title 8 require?

• a.Turn it off and post a sign only.
• b.Have a helper watch the switch.
• c.Lock it out in the off position.✓
• d.Leave it running at idle.

Machines with lockable controls must be locked out or positively sealed in the off position during repair work and setting-up operations.Cal. Code Regs. tit. 8, §3314