Gm Construction Quantity Surveyor Interview Questions and Answers

The percentage of bitumen in DBM varies depending on the specific mix design and project requirements.

• DBM stands for Dense Bituminous Macadam, which is a type of road construction material.

• The percentage of bitumen in DBM typically ranges from 4% to 6% by weight.

• The exact percentage of bitumen is determined based on factors such as traffic load, climate conditions, and desired durability.

• Higher percentages of bitumen a...read more

Rate analysis is the process of determining the unit cost of a particular item or activity in a construction project.

• Identify the item or activity to be analyzed

• Determine the quantity of materials and labor required

• Calculate the cost of materials and labor

• Add overhead costs and profit margin

• Divide the total cost by the quantity to get the unit rate

• Compare the rate with market rates to ensure competitiveness

Components to be considered in Rate analysis

• Cost of materials

• Cost of labor

• Cost of equipment

• Overhead expenses

• Profit margin

• Taxes and duties

• Transportation costs

• Wastage and spoilage

• Contingencies

• Productivity rates

• Market rates

• Inflation rates

The documents required to certify the final bill as a Quantity Surveyor.

• Contract documents

• Measurement records

• Variation orders

• Payment certificates

• Final account statement

• As-built drawings

• Completion certificates

• Test reports

• Subcontractor invoices

• Material invoices