CDS Cost Estimation & Budgeting 2

Question 1

Which cost category typically represents the largest portion of a demolition project budget?

Accepted Answer

Labor and equipment costs

Answer

Labor and equipment costs generally account for the largest share of demolition budgets, often 50–70% of total project costs.

Question 2

A contingency reserve in a demolition budget is primarily intended to cover:

Accepted Answer

Unforeseen conditions and scope changes

Answer

Contingency reserves are set aside to handle unexpected conditions such as hidden hazardous materials, structural surprises, or scope changes.

Question 3

When estimating disposal costs for a mixed-debris demolition project, the estimator should prioritize:

Accepted Answer

Categorizing materials by disposal classification and current tipping fees

Answer

Disposal costs vary significantly by material type and landfill classification, so accurate categorization and current tipping fees are essential.

Question 4

In demolition estimating, 'mobilization costs' refer to:

Accepted Answer

Costs to transport equipment and set up the site for work

Answer

Mobilization costs cover transporting equipment to the site, setting up temporary utilities, fencing, and other site preparation expenses.

Question 5

A demolition contractor receives a scope change order requiring removal of an additional 500 cubic yards of concrete. The FIRST step should be:

Accepted Answer

Submit a revised cost estimate and get written approval before proceeding

Answer

A written change order with an approved revised cost estimate protects both parties and ensures proper budget tracking.

(CDS) Certified Demolition Supervisor Practice Test