212 ppt3 Site preparation Quiz

Why should delivery and advice notes be kept on file?

• To check against the stock of materials delivered and used

• To calculate employee wages

• To monitor weather conditions

• To track project deadlines

Answer explanation

Delivery and advice notes should be kept on file to check against the stock of materials delivered and used. This ensures accurate inventory management and helps track material usage effectively.

How does a job schedule contribute to project efficiency?

• By increasing the number of tasks

• By showing the order of sequence

• By complicating the project timeline

• By eliminating deadlines

Answer explanation

A job schedule enhances project efficiency by showing the order of sequence for tasks, ensuring that they are completed in a logical and timely manner, which helps in managing resources and meeting deadlines.

Which design process involves employing a designer/estimator?

• New site

• Refurbishment

• Domestic

• Industrial/commercial

Answer explanation

The design process for a new site typically requires a designer/estimator to assess the project scope, costs, and feasibility, making it essential for planning and execution.

What should be done to a customer's personal belongings during the installation process?

• Leave them as they are

• Cover with clean dust sheets

• Move them outside

• Store them in a different room

Answer explanation

Covering the customer's personal belongings with clean dust sheets protects them from dust and damage during the installation process, ensuring they remain in good condition.

How do you calculate the maximum depth of a notch in a joist?

• Depth x 1/4

• Depth x 1/8

• Depth x 1/6

• Depth x 1/10

Answer explanation

To calculate the maximum depth of a notch in a joist, the standard guideline is to use Depth x 1/8. This ensures structural integrity while allowing for necessary notching.

Which of the following is a correct calculation for the maximum notch depth in a 200mm deep joist?

• 200 x 1/6

• 200 x 1/7

• 200 x 1/8

• 200 x 1/9

Answer explanation

The maximum notch depth for a joist is typically calculated as 1/8 of its depth. For a 200mm deep joist, the correct calculation is 200 x 1/8, which equals 25mm, making it the appropriate choice.

What is the purpose of calculating the minimum distance from the wall for a notch?

• To ensure structural integrity

• To reduce material cost

• To increase aesthetic appeal

• To simplify construction

Answer explanation

Calculating the minimum distance from the wall for a notch is crucial to ensure structural integrity. This distance prevents potential weaknesses that could compromise the stability and safety of the structure.

What is the correct calculation for the minimum distance from the wall for a notch in a joist with a span of 2.5m?

• 0.05 x 2500

• 0.06 x 2500

• 0.07 x 2500

• 0.08 x 2500

Answer explanation

The minimum distance from the wall for a notch in a joist is calculated as 0.07 times the span. For a 2.5m span, this gives 0.07 x 2500, making it the correct choice.

What is the maximum permissible size for a drilled hole in a joist?

• 0.5 times the joist depth

• 0.25 times the joist depth

• 0.75 times the joist depth

• 1.0 times the joist depth

Answer explanation

The maximum permissible size for a drilled hole in a joist is 0.25 times the joist depth. This limit helps maintain the structural integrity of the joist while allowing for necessary modifications.

What should pipework laid in floors and across joists be covered with to allow for expansion and contraction?

• Insulation

• Lagging

• Plastic wrap

• Aluminum foil

Answer explanation

Lagging is used to cover pipework to accommodate expansion and contraction, preventing damage and ensuring efficient thermal insulation. Insulation is a broader term, while lagging specifically refers to the protective covering for pipes.