Marlabs Interview Questions and Answers

There are two main types of survey: land survey and construction survey.

• Land survey involves measuring and mapping the land's surface features, boundaries, and elevation.

• Construction survey is done to layout and establish reference points and markers for construction projects.

• Other types of surveys include topographic survey, boundary survey, and control survey.

Drawings are visual representations of construction plans and designs.

• Drawings are typically created using computer-aided design (CAD) software.

• They include detailed information about dimensions, materials, and specifications.

• Drawings are used by engineers, architects, and construction workers to understand and implement the design.

• Examples of drawings include site plans, floor plans, elevations, and sections.

Bar bending schedule is a document detailing the shape, quantity, length, and bending dimensions of steel bars used in construction.

• Bar bending schedule is prepared based on structural drawings provided by the design engineer.

• It includes details such as bar mark, bar diameter, cutting length, shape codes, and bending dimensions.

• The purpose of a bar bending schedule is to ensure accurate fabrication and placement of reinforcement bars in concrete structures.

• It helps in minimiz...read more

There are three main types of views in civil engineering: plan view, elevation view, and section view.

• Plan view shows the layout of a structure from above, typically looking down on the ground floor.

• Elevation view shows the vertical appearance of a structure, typically from the front, side, or rear.

• Section view shows a cutaway view of a structure, revealing internal details and construction.

Cutting length of stirrups can be calculated using a formula based on the diameter of the stirrup and the size of the beam or column.

• Measure the diameter of the stirrup

• Measure the size of the beam or column

• Use the formula: Cutting length = 2 x (beam/column size) + 2 x (stirrup diameter) + 2 x 10mm (bending allowance)

• Add extra length for overlapping and hooking as per design requirements