CDS Cheat Sheet 2026

The 30 highest-yield CDS facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. What should be done when materials do not meet specifications? → Reject the materials, document the non-conformance, and notify the supplier
2. In a pre-demolition structural assessment, what does a load path analysis determine? → How gravity and lateral loads are transferred through the structure to the foundation
3. The ICC/ANSI A117.1 standard becomes relevant in a demolition project context when: → Temporary accessible routes for the public must be maintained
4. When must a contractor typically submit a claim for additional compensation? → Within the timeframe specified in the contract's notice provisions
5. What should be included in the waste management plan for demolition projects? → Procedures for handling and recycling construction waste.
6. Which financial statement provides the best view of an organization's profitability? → The income statement showing revenues, expenses, and net profit
7. A Notice to Proceed (NTP) officially authorizes the contractor to: → Begin mobilization and work on the project
8. According to OSHA 29 CFR 1926.852, chutes used to remove debris from heights greater than 20 feet must be enclosed and discharge into which type of container? → An enclosed container with a tight-fitting lid or screen
9. In a demolition contract, a 'milestone' typically represents: → A significant event or completion point used to track project progress
10. Which document protects an owner from mechanic's liens filed by subcontractors or material suppliers? → Lien Waiver
11. Why is it important to use properly maintained equipment during demolition? → It reduces risks and improves safety.
12. How can risk management strategies improve demolition project planning? → By ensuring project safety and efficiency.
13. A CDS supervisor is developing a waste management plan. Which factor is MOST critical when planning debris hauling schedules? → Volume of material generated per day matched to truck capacity and disposal site hours
14. How should variance analysis be used in financial management? → To identify and investigate significant differences between planned and actual results
15. How often are building codes typically updated? → Every three years through a formal code development cycle
16. How often should a practitioner review applicable regulations and standards? → Regularly, as regulations are updated frequently and compliance is ongoing
17. Which of the following best describes 'commingled' C&D debris collection? → Mixing all demolition waste in a single container for later sorting at a facility
18. What is the primary goal of demolition project planning? → To ensure the demolition follows all legal and safety requirements.
19. What is the primary purpose of a daily field report in demolition projects? → Document daily activities, labor, equipment, weather, and incidents
20. What is the minimum safe standoff distance from a demolition zone for unprotected bystanders when using mechanical demolition equipment on a 3-story building? → One and a half times the height of the structure
21. Which document specifies the types and amounts of salvageable materials to be recovered before full demolition begins? → Selective demolition or deconstruction plan
22. What information is typically found in the title block of a construction or demolition blueprint? → Project name, drawing number, scale, date, and designer's seal
23. What document formally defines the scope of work, terms, and obligations between a demolition contractor and the owner? → Contract Agreement
24. What documentation is required when equipment is replaced or upgraded? → Asset tracking records, disposal documentation, and updated operating procedures
25. What is the primary function of a temporary shoring system installed during interior demolition? → Temporarily carry structural loads from elements being demolished to prevent collapse
26. What is the role of specifications in construction documents? → They define material quality, installation methods, and performance standards
27. A Schedule of Values is used in demolition contracting to: → Break down the contract price by work item for progress billing purposes
28. What should a practitioner do when regulations conflict with employer policies? → Follow the regulation, as legal requirements supersede employer policies
29. What must be completed before using any specialized equipment? → Verify proper calibration and review safety procedures
30. Under OSHA standards, what is the maximum permissible exposure limit (PEL) for mercury vapor in an 8-hour workday? → 0.05 mg/m³