CDS Project Planning & Scheduling 2

Question 1

During the planning phase of a demolition project, what is the PRIMARY purpose of a pre-demolition survey?

Accepted Answer

To identify hazardous materials, structural elements, and site conditions

Answer

A pre-demolition survey identifies hazardous materials, structural vulnerabilities, and site conditions that affect safety planning and sequencing.

Question 2

Which scheduling method shows task dependencies using arrows and nodes to represent activities and their relationships?

Accepted Answer

PERT/CPM network diagram

Answer

PERT/CPM network diagrams use arrows and nodes to represent activities and their logical dependencies, identifying the critical path.

Question 3

A demolition contractor discovers underground fuel storage tanks not shown on original blueprints. What is the CORRECT next step?

Accepted Answer

Stop work, notify the owner and regulatory agencies, and update the project plan

Answer

Undiscovered underground storage tanks require immediate work stoppage, notification of the owner and regulators, and project plan revision.

Question 4

In demolition project scheduling, 'float' or 'slack' refers to:

Accepted Answer

The amount of time a task can be delayed without affecting the project completion date

Answer

Float (or slack) is the amount of time a non-critical activity can be delayed without delaying the overall project completion date.

Question 5

When planning the sequence of demolition for a multi-story building, which general principle should guide the work order?

Accepted Answer

Work from the top down to maintain structural stability

Answer

Demolition generally proceeds top-down so lower structural members continue to support remaining upper floors until they are removed.

(CDS) Certified Demolition Supervisor Practice Test