Mixed Deck — All CRC Topics Flashcards

A contractor is evaluating hardwood flooring delivered to the job site. Quality control requires that the flooring acclimate on-site before installation. What environmental conditions are required during acclimation?

Answer: The home must be at its normal living temperature and humidity levels

Hardwood flooring must acclimate to the home's expected occupied temperature and humidity to minimize expansion, contraction, and gapping after installation.

A contractor notices that OSB roof sheathing has 'edge clips' (H-clips) specified in the plans. What is their primary purpose?

Answer: To provide edge support and maintain panel spacing at unsupported edges

H-clips (edge clips) support unsupported panel edges between rafters, preventing differential deflection and maintaining the required gap between panels.

Which OSHA record-keeping form is used to log and summarize all recordable work-related injuries and illnesses for a calendar year?

Answer: OSHA Form 300 (Log of Work-Related Injuries and Illnesses)

OSHA Form 300 is the log used throughout the year to record each work-related injury and illness, while Form 300A is the annual summary posted for employees.

What are zoning laws used for?

Answer: To ensure that structures are built according to land-use plans.

Zoning laws are local ordinances that regulate how land can be used within specific areas or zones. Their purpose is to ensure that structures are built according to comprehensive land-use plans, promoting orderly development and preventing incompatible uses from being located next to each other. These laws dictate aspects like building height, setbacks, density, and permitted types of construction.

What is the primary purpose of a baseline schedule in residential construction?

Answer: To serve as the original approved plan against which progress is measured

The baseline schedule is the approved original plan used to measure project performance and identify variances.

Why is it necessary to follow environmental regulations during construction?

Answer: To ensure that the construction is environmentally responsible and sustainable.

Following environmental regulations during construction is necessary to ensure that the project is environmentally responsible and sustainable. These regulations aim to protect natural resources, minimize pollution, manage waste, and preserve biodiversity. Adherence helps avoid legal penalties, enhances public perception, and contributes to the long-term ecological health of the area.

Under the IRC, what is the minimum tread depth (run) required for residential stairs?

Answer: 10 inches

The IRC requires a minimum tread depth of 10 inches measured horizontally from nosing to nosing for residential stairs.

A contractor is preparing a bid for a 2,000 sq ft single-family home. If the local cost index is 1.15 and the national baseline cost is $90 per sq ft, what is the adjusted estimated cost?

Answer: $207,000

Multiply 2,000 sq ft × $90 × 1.15 = $207,000.

What is the correct sequence for quality inspections in a typical residential new construction project?

Answer: Foundation → Rough framing → Rough MEP → Insulation → Drywall → Final

The standard inspection sequence follows construction phasing: foundation, then framing, then mechanical/electrical/plumbing rough-in, insulation, drywall, and final inspection.

What is the primary purpose of quality control inspections?

Answer: To verify work meets specified standards and identify deficiencies early

Quality control inspections verify compliance with standards and identify deficiencies early when corrections are less costly and disruptive.

A contractor's bid bond protects the project owner in what scenario?

Answer: If the winning bidder refuses to enter into the contract

A bid bond guarantees the owner that if the contractor wins the bid but declines to sign the contract, the bond will cover the difference between their bid and the next acceptable bid.

A subcontractor fails to meet a project milestone, causing a 10-day delay. The general contractor incurs additional supervision costs. What type of damages would the GC likely seek?

Answer: Consequential damages

Consequential damages (also called special damages) compensate for losses that result indirectly from a breach, such as additional supervision costs caused by a delay.

What is the primary purpose of financial analysis in professional practice?

Answer: To evaluate financial health and support informed decision-making

Financial analysis evaluates financial health and provides the data needed for informed decision-making about investments, operations, and strategy.

Which OSHA standard requires contractors to have a written Injury and Illness Prevention Program (IIPP) and conduct regular safety meetings?

Answer: State OSHA plans (State Plans) may mandate IIPPs; federal OSHA recommends but does not uniformly mandate them

Federal OSHA recommends Injury and Illness Prevention Programs but does not universally mandate them; however, many State OSHA plans (such as California's Cal/OSHA) require written IIPPs for all employers.

A residential contractor installs a water heater in a garage. Under the IRC, the ignition source must be elevated how far above the floor to prevent ignition of flammable vapors?

Answer: 18 inches

IRC R305 and the fuel-gas code require that water heaters with an ignition source in a garage be installed with the ignition source at least 18 inches above the floor.

A residential contractor is considering adding scope to an existing contract. What document formalizes changes to the original contract scope, schedule, and price?

Answer: A change order

A change order is the formal contract document that authorizes modifications to the original scope, schedule, and/or contract price.

How does maintaining proper credentials demonstrate regulatory compliance?

Answer: It proves the practitioner has met all requirements for legal practice

Current credentials demonstrate that a practitioner has met educational, examination, and continuing education requirements mandated by regulatory bodies for legal practice.

What does a zoning variance allow a property owner to do?

Answer: Deviate from a specific zoning requirement for their property

A variance is an administrative exception that permits a property owner to deviate from a specific dimensional or use requirement of the zoning ordinance.

A residential contractor's QC program should require that drywall screws used for 1/2-inch drywall on wood framing be driven to what depth standard?

Answer: Slightly dimpled without breaking the paper face

Proper drywall screw installation creates a slight dimple without tearing the paper face; breaking the paper reduces holding power and creates a finishing defect.

During a quality inspection of a roof truss installation, the inspector notices several trusses have been field-cut to fit around a chimney chase. This is:

Answer: A serious deficiency requiring engineer approval before proceeding

Trusses are engineered components; field modifications must be evaluated and approved by the truss engineer of record before the structure can be considered safe.