Project Management

The PM’s Guide to Schedule Accountability

Published 25 February 2021

A PDF copy of a Project Schedule is a simple document that displays the activities, WBS, Project’s Key Dates and critical activities. Although the planner is responsible for Planning and Scheduling but the PM is ultimate accountable person to deliver the Project as per the contract and specs. Therefore, he/she should know more about the Schedule, assumptions, logics, etc. and should be able to ask the right questions. Some of the questions that a PM should ask are as follows:

PM and Schedule Interaction

Core Structural Questions

1. Is there a Project-Specific Planning Procedure? A generic planning procedure is a red flag. The procedure must be tailored specifically to the project's unique scope and contractual requirements.
2. Where is the Basis of Schedule (BOS)? Every schedule must have a BOS document. It serves as the "user manual," outlining methodologies, assumptions, exclusions, and data sources.
3. How is the Update Process Validated? The PM must understand how site data is collected and processed. If a Progress Measurement System (PMS) is in place, how does it talk to the schedule?

The Schedule Log: Your Quick Health Check

The Schedule Log provides a statistical snapshot of activity health. PMs should request this view after every update to identify missing logic or constraints.

Primavera P6 Schedule Log View

Hidden Risks: Leads and Lags

Lags are "invisible" activities. Overusing them often leads to confusion—even for the planner. PMs should demand a Lead and Lag Report to ensure every delay has a documented, valid reason.

Lead and Lag Analysis Report

Non-Negotiable Indicators

  • Zero Negative Float: A Baseline or re-baseline schedule should never contain negative float.
  • Path Transparency: Regular reports on the Critical Path, Float Path, and Longest Path are essential for risk mitigation.

These are the typical reports that every project manager has to ask from project planners and project manager should be able to interpret them correctly. The Planning System and Schedule are the Project’s property, not exclusively the Planner’s. Therefore, the PM should guide the team to support the Planning team in development of the Project’s Planning System.

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