Pass the AACE International Professional Level Certifications PSP Questions and answers with ValidTests

Column Pour Requirements:

Each column pour requires 60 lifts per day.

Crane Capacity:

Each crane can perform 35 lifts per day.

Determine Minimum Cranes Required:

Minimum Cranes = Column Lifts ÷ Crane Capacity = 60 ÷ 35 ≈ 1.71 cranes.

Since partial cranes cannot be used, round up to 3 cranes.

Cross-Verification:

Option A (2 cranes): Incorrect. Insufficient lifts per day.

Option B (1 crane): Incorrect. Infeasible.

Option C (4 cranes): Incorrect. Exceeds requirement.

Option D (3 cranes): Correct. Satisfies lift requirements efficiently.

References:

PSP Study Guide (2019), Sections on Equipment Productivity and Resource Allocation.

AACE Recommended Practices, RP 10S-90.

 Time-Scaled Logic Diagrams:

Represent activities with respect to a time scale (e.g., a calendar).

Show logical relationships and durations in a visually aligned manner, aiding in analysis and reporting.

 Common Misconceptions:

They are not the same as pure logic diagrams (B).

While often created using computer software, manual versions are also possible, so (A) is incorrect.

They are not specifically for calculating activity durations (C).

 PSP Study Guide References:

The guide identifies time-scaled logic diagrams as a tool for better visualization of schedules, where activities align with calendar dates​.

 Conclusion: The correct answer is D, as time-scaled logic diagrams are drawn to align activities with a calendar.

 Impact of Calendars on Total Float:

Differing calendars (e.g., working days, holidays, or shifts) assigned to activities can result in varying total float values within a logical chain.

Total float measures the flexibility of an activity and is calculated based on its calendar and logical dependencies.

 PSP Study Guide References:

The guide covers how calendar assignments influence float calculations and their potential to create disparities in a critical path​.

 Conclusion: The correct answer is B, as differing total float values typically indicate the use of different calendars for activities in the chain.

When planning a contractor's baseline critical path schedule for constructing a high-clearance bridge near an airport, a planner/scheduler must consider documents directly relevant to the project's execution and constraints. Here's the detailed reasoning:

Project Plans and Specifications (Option A):These documents contain the detailed design, materials, and methods necessary for construction. They are indispensable for planning the baseline critical path schedule.

Project Geotechnical Report (Option B):The geotechnical report provides critical information about soil conditions, foundational requirements, and potential challenges, which significantly influence construction sequencing and methods.

Regulations Published by the Government Aviation Agency (Option C):As the project is near an airport, these regulations will likely impose height restrictions, flight path considerations, and safety requirements. Compliance with these regulations is crucial to avoid project delays or legal issues.

Government's Report on Future High-Clearance Bridge Projects (Option D):This document provides information on future projects and does not pertain to the current construction project. It does not provide actionable data or constraints affecting the planning or execution of the baseline critical path schedule for the awarded project.

Conclusion: Option D is the least valuable document in this scenario as it does not contribute directly to the planning or scheduling of the current project.

An effective schedule is one that is realistic, collaborative, and accepted by key stakeholders involved in project execution.

Gaining consent and agreement ensures buy-in, facilitates implementation, and minimizes disputes (Option B)​.

Frequent updates (Option A) are essential for tracking but are insufficient without team agreement.

Contract specifications (Option C) govern compliance but do not guarantee effective field use.

Large contingencies (Option D) may reduce accountability and create inefficiencies in project management.

Collaboration and stakeholder involvement, as emphasized in the PSP Study Guide, are essential for schedule usability​.

 Purpose of Multiple Calendars:

Multiple calendars account for varied work/non-work periods among resources, regions, or activities, accurately representing project execution.

 Evaluation of Other Options:

B, C, D: These may be secondary benefits but are not the primary reason.

 Verification with PSP Guidelines:The PSP Study Guide emphasizes the importance of calendars for realistic scheduling (Ref: PSP Study Guide, Chapter 2A: Calendars and Constraints).

 Scope Planning Tools and Techniques:

Tools for scope planning include methods to define and refine the project scope. These involve cost-benefit analysis, expert judgment, and alternatives identification.

Schedule performance indexing is a performance tracking tool used during execution and is unrelated to scope planning.

 PSP Study Guide References:

Scope planning methods are detailed in the PSP guide, emphasizing tools like expert judgment, alternatives analysis, and structured decision-making techniques​.

 Analysis for Selection:

Option A: A common method to analyze the costs and benefits of scope components.

Option B: Incorrect. This is a tracking tool, not a scope planning method.

Option C: Expert judgment is a key technique in defining project scope.

Option D: Alternatives identification supports exploring various approaches to project goals.

 Conclusion: The correct answer is B, as schedule performance indexing is not a scope planning tool.

 Crashed Schedule Predecessors to Activity 2004:

Activity 2004 (River Diversion to Pipeline) depends on completion of:

1001 (Preliminary Civil Work).

2001 (River Diversion Stage 1).

2002 (River Diversion Stage 2).

2003 (River Diversion Dam).

 Exclusion of Other Activities:

Activity 2007 is not part of the crashed schedule's direct predecessor chain.

Other options include duplicated or incorrect entries.

 PSP Study Guide Reference:Logical sequence analysis confirms these predecessors (Ref: PSP Study Guide, Chapter 2A: Activity Sequencing and Critical Path Analysis).

Crashing increases direct costs as additional resources, equipment, or expedited delivery methods are employed to shorten the project duration. The PSP Study Guide (Section 2.3.5, "Acceleration") highlights that crashing involves trade-offs between time and cost, often resulting in higher demobilization costs due to the increased deployment of equipment and resources.

Scheduling Professional Study Guide and Documents References

Forward Pass Calculation:

A forward pass determines the earliest start (ES) and earliest finish (EF) dates for all activities, progressing from project start to finish.

Total float is calculated later by comparing early and late dates.

PSP Study Guide References:

Forward and backward pass calculations are core elements of CPM scheduling methodology​.

Conclusion: The correct answer is B, as forward pass provides ES and EF for activities.