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. Which type of crane rigging hardware is specifically designed to prevent accidental unlatching when loads are lifted during demolition debris removal? → Shackle with a safety pin
5. When must a contractor typically submit a claim for additional compensation? → Within the timeframe specified in the contract's notice provisions
6. During a post-demolition site inspection, the inspector notes that stockpiled debris exceeds the approved height limit. What is the primary safety concern? → Debris pile instability, potential collapse, and equipment overturn risk
7. During high-reach demolition, what is the maximum recommended working height relative to the equipment's rated reach to prevent tip-over? → No more than 85% of rated reach
8. Which OSHA standard most directly governs powered industrial truck (forklift) operation on demolition sites? → 29 CFR 1910.178
9. What should be included in the waste management plan for demolition projects? → Procedures for handling and recycling construction waste.
10. Which financial statement provides the best view of an organization's profitability? → The income statement showing revenues, expenses, and net profit
11. What does a 'progress schedule' in demolition project management typically use to track task dependencies? → Gantt chart or Critical Path Method (CPM)
12. A Notice to Proceed (NTP) officially authorizes the contractor to: → Begin mobilization and work on the project
13. Which of the following best represents a 'soft cost' in a demolition project budget? → Environmental consulting and permit fees
14. What does the hierarchy of controls prioritize FIRST when addressing a demolition hazard? → Elimination of the hazard
15. 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
16. What is the purpose of the EPA hazardous waste manifest system (Form 8700-22) in demolition projects? → A tracking document following hazardous waste from generation through final disposal
17. An excavator's breakout force specification is most relevant when selecting equipment for: → Ripping up reinforced concrete slabs with a bucket or ripper
18. In a demolition contract, a 'milestone' typically represents: → A significant event or completion point used to track project progress
19. In demolition budgeting, which cost category typically represents the largest single expense? → Labor and equipment
20. A hot work permit is MOST critical in demolition when workers are: → Cutting steel members with an oxy-acetylene torch
21. Which document protects an owner from mechanic's liens filed by subcontractors or material suppliers? → Lien Waiver
22. Why is it important to use properly maintained equipment during demolition? → It reduces risks and improves safety.
23. How can risk management strategies improve demolition project planning? → By ensuring project safety and efficiency.
24. 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
25. How should variance analysis be used in financial management? → To identify and investigate significant differences between planned and actual results
26. How often are building codes typically updated? → Every three years through a formal code development cycle
27. How often should a practitioner review applicable regulations and standards? → Regularly, as regulations are updated frequently and compliance is ongoing
28. 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
29. Under OSHA 1926.852, what is required before any floor, roof, or wall is demolished? → All utilities must be shut off and safely capped
30. Which cost category typically represents the largest portion of a demolition project budget? → Labor and equipment costs