--- title: Do You Make These 9 Project Management Mistakes? description: Avoid Project Management Mistakes - understand the impact of the queuing theory on project recovery periods when performing SAP Project Management. image: https://www.sapbwconsulting.com/hs-fs/file-16581668-png/images/recover_days_chart-resized-600.png --- ![](https://www.sapbwconsulting.com/hs-fs/file-16581668-png/images/recover_days_chart-resized-600.png) # Do You Make These 9 Project Management Mistakes? Table of Contents ## Ever Have a Project Complete Late?  Ever wonder why it completed late, even though you took hero level efforts to get it done on time?  Are you familiar with the queuing model?  The queuing model predicts an infinite recovery period when your [project resource](https://www.sapbwconsulting.com/sap-bw-project-estimator-calculator) utilization rate approaches 100% percent.  In short, the harder you beat the horse, the less likely it is to arrive on time! ## How Utilization Impacts Project Timelines   ![Days to Recover a Project](https://www.sapbwconsulting.com/hs-fs/file-16581668-png/images/recover_days_chart-resized-600.png)         | Capacity Per Day | Utilization | Expected Output After 5 Days | Sick Days | Actual OutPut After 5 Days | Loss Of Output per 1 sick Day | Days to Recover Lost Time | | --- | --- | --- | --- | --- | --- | --- | | 100 | 90 | 450 | 1 | 360 | 90 | 9 | | 100 | 91 | 455 | 1 | 364 | 91 | 10 | | 100 | 92 | 460 | 1 | 368 | 92 | 12 | | 100 | 93 | 465 | 1 | 372 | 93 | 13 | | 100 | 94 | 470 | 1 | 376 | 94 | 16 | | 100 | 95 | 475 | 1 | 380 | 95 | 19 | | 100 | 96 | 480 | 1 | 384 | 96 | 24 | | 100 | 97 | 485 | 1 | 388 | 97 | 32 | | 100 | 98 | 490 | 1 | 392 | 98 | 49 | | 100 | 99 | 495 | 1 | 396 | 99 | 99 | | 100 | 100 | 500 | 1 | 400 | 100 | 9999 |   This is a highly simplified model, of course, but it closely matches my experience across dozens of projects, including the Airbus A380 Sup@airworld i2 SCM/SCC project, the [relocation of an aircraft paint hangar](https://www.sapbwconsulting.com/fully-loaded-cost-calculator), the reworking of a malfunctioning F-16 engine overhaul shop (during a war no less) and a **SAP IS Wholesale Food Distribution Solution** implementation, which are among the more interesting projects that come to mind. ## How an Astute Project Manager Can Avoid Infinite Project Recovery Periods You might want to *avoid* these 9 [project management mistakes](https://www.sapbwconsulting.com/enterprise-services/sap-industry-solutions/sap-project-management) to avoid experiencing infinite recovery periods (and stay employed):   1. Avoid [s**cheduling resources**](https://www.sapbwconsulting.com/improve-your-sap-bw-project-requirements-gathering) at 100% utilization. 2. Never assume resources will be **available 100% of the time**. 3. **Overscheduling**, i.e., above 70% utilization rates is overscheduled. 4. Thinking all resources must produce something all the time - this is merely **producing useless inventory**. 5. Failure to understand the answer, as documented by the [consultant](https://www.sapbwconsulting.com/hubspot-consultant), is incomplete without the **physical presence of the consultant** who designed it. 6. Assuming **testing** can be done in a **fixed length of time**.  [Performance](https://www.sapbwconsulting.com/blog/5-kpi-design-best-practice-guidelines) here varies radically. 7. Failure to understand the** difference between an RFP and a [SAP Blueprint](https://www.sapbwconsulting.com/the-blueprint-to-building-a-successful-project).** 8. Not adjusting your [**performance expectations**](https://www.sapbwconsulting.com/12-easy-steps-to-being-a-better-sap-consultant) of the individual [skill levels](https://www.sapbwconsulting.com/request-sap-bw-naming-conventions-review) of each consultant.  They are all unique. 9. Accepting project changes without **fully evaluating and replanning the effect** on your project.   This list is not comprehensive, and perhaps in the future, we will revisit it.  Surprisingly, it isn't necessarily specific to IT projects nor even **[SAP Business Transformation](https://www.sapbwconsulting.com/resources/cio-guide-to-it-strategy)** projects.  Want more [SAP Project Management Tips](https://www.sapbwconsulting.com/blog/5-things-to-know-about-your-sap-project-manager) from the Pros? Get our Top Ten SAP Project Management Tips   [![Download Our Top Ten SAP Project Management Tips](https://no-cache.hubspot.com/cta/default/118735/9203c3f1-ce06-4cbf-b0de-5b4201575e92.png)](https://cta-redirect.hubspot.com/cta/redirect/118735/9203c3f1-ce06-4cbf-b0de-5b4201575e92)     ## **About SAP BW Consulting, Inc.**     SAP BW Consulting, Inc. provides comprehensive SAP solutions, including SAP Business Intelligence (BI) and SAP Business Warehouse (BW) consulting, SAP ABAP development, and project management. Our services also include a [1099 Contractor Invoicing and Payment Management System](https://www.sapbwconsulting.com/blog/1099-contractor-payments), Salesforce consulting, and Balanced Scorecard consulting for [strategic planning](https://www.sapbwconsulting.com/blog/five-forces-model). As HubSpot Marketing and Sales Partners, we specialize in [Google Ads](https://www.sapbwconsulting.com/google-ads-management), Facebook Ads, LinkedIn Ads, Account-Based Marketing, Content Marketing, and Ecommerce solutions, including Shopify.   Ready to optimize your operations and strategy? [Book a meeting with us](https://www.sapbwconsulting.com/request-sap-implementation-consulting-support-meeting-request).    Topics from this blog: [SAP BW Consulting](https://www.sapbwconsulting.com/blog/topic/sap-bw-consulting) [Best Practices](https://www.sapbwconsulting.com/blog/topic/best-practices) [Project Management](https://www.sapbwconsulting.com/blog/topic/project-management) [How-To](https://www.sapbwconsulting.com/blog/topic/how-to) ### Download SAP BW Mindmap Learn what SAP Business Warehouse is and what it does in under five minutes [![Get this Mindmap](https://no-cache.hubspot.com/cta/default/118735/8db2ad37-8211-47a3-86ae-09b6b2bb297b.png)](https://cta-redirect.hubspot.com/cta/redirect/118735/8db2ad37-8211-47a3-86ae-09b6b2bb297b) [mailto:someone@yoursite.com](mailto:someone@yoursite.com) ### Lonnie D. Ayers, PMP About the Author: Lonnie Ayers is a Hubspot Certified Inbound Marketing consultant, with additional certifications in Hubspot Content Optimization, Hubspot Contextual Marketing, and is a Hubspot Certified Partner. Specialized in demand generation and sales execution, especially in the SAP, Oracle and Microsoft Partner space, he has unique insight into the tough challenges Service Providers face with generating leads and closing sales using the latest digital tools. With 15 years of SAP Program Management experience, and dozens of complex sales engagements under his belt, he helps partners develop and communicate their unique sales proposition. Frequently sought as a public speaker in various events, he is available for both inhouse engagements and ** remote coaching. ** ![Balanced Scorecard Consultant](https://www.sapbwconsulting.com/hubfs/social-suggested-images/Balanced%20Scorecard%20Certified%20Graduate.jpg) He also recently released a book **"How to Dominate Any Market - Turbocharging Your Digital Marketing and Sales Results",** which is available on [ Amazon.](https://www.amazon.com/Dominate-Turbocharging-Digital-Marketing-Results/dp/1728357950/ref=sr_1_1?dchild=1&qid=1589182458&refinements=p_27%3ALonnie+D.+Ayers&s=books&sr=1-1&text=Lonnie+D.+Ayers)**** [View All Articles by Lonnie D. Ayers, PMP](https://www.sapbwconsulting.com/blog/author/lonnie-d-ayers-pmp) ## The SAP Blog Subscribe to our blog and receive SAP BW Updates, demand generation, inbound marketing, sales enablement, technology and revenue generation insights and ideas delivered right to your email. 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