Sj Contracts Interview Questions, Process, and Tips

Rolling margin is a financial metric used to measure the profitability of a company over a specific period of time.

• Rolling margin is calculated by dividing the rolling gross profit by the rolling revenue and expressing the result as a percentage.

• It helps in analyzing the trend of profitability over time by considering a moving average of financial performance.

• For example, a company may calculate its rolling margin for ...read more

Rate analysis involves calculating the cost of materials and labor for a specific project.

• Rate analysis for steel involves calculating the cost of steel per unit weight or volume.

• Rate analysis for plaster involves calculating the cost of plaster per unit area or volume.

• Factors such as transportation costs, labor costs, and wastage should be considered in rate analysis.

• Rate analysis helps in estimating the total cost of

The quantity required for plaster is calculated based on the surface area to be covered and the thickness of the plaster.

• Calculate the surface area to be covered by measuring the length and height of the walls or ceiling.

• Determine the thickness of the plaster required, typically ranging from 10mm to 20mm.

• Multiply the surface area by the thickness to get the volume of plaster needed.

• Consider wastage and additional mater...read more

Resource planning involves allocating resources efficiently for project execution, while logistic planning focuses on coordinating the movement of resources and materials.

• Resource planning involves identifying and allocating resources such as manpower, equipment, materials, and budget for project activities.

• Logistic planning involves coordinating the movement of resources and materials to ensure timely delivery and eff...read more

Types of drawings used in construction include architectural drawings, structural drawings, mechanical drawings, electrical drawings, and plumbing drawings.

• Architectural drawings: show the layout, design, and details of a building's structure.

• Structural drawings: focus on the framework and support of the building.

• Mechanical drawings: depict HVAC systems, ductwork, and equipment layouts.

• Electrical drawings: illustrate t...read more

WBS stands for Work Breakdown Structure, a hierarchical decomposition of the total scope of work to be carried out by the project team.

• WBS breaks down the project deliverables into smaller, more manageable components.

• It helps in organizing and defining the total scope of the project.

• Each level of the WBS represents a different level of detail.

• It is a visual representation of the project scope.

• Example: WBS for building ...read more

Various data points are required to prepare a master schedule.

• Project scope and deliverables

• Resource availability and allocation

• Dependencies between tasks

• Duration estimates for each task

• Constraints and milestones

• Historical data from similar projects

5day & 7day &28 day test

RCC for concrete M40 PT is a reinforced concrete structure with a compressive strength of 40 MPa and post-tensioning reinforcement.

• RCC stands for Reinforced Cement Concrete.

• M40 is the grade of concrete with a compressive strength of 40 MPa.

• PT stands for Post-Tensioning reinforcement.

• Post-tensioning is a technique of reinforcing concrete using high-strength steel strands or bars.

• It is used to increase the strength and d...read more