VisiLean x GRA – Data Centre Project

Client Details


GRA (Galligan Ryan Associates)


San Francisco, U.S.A

Project Cost



Data Centre


Visilean x GRA: the US Data Centre case study
Categories: Data Centre


Facing severe logistical challenges, GRA deployed Visilean to streamline the scheduling of a complex infrastructure retrofit project in a major US data centre. Visilean helps ground a commitment to performance improvement. This helped in dramatically cutting installation cycles while allowing ease of collaboration between local city authorities, equipment manufacturers, and fulfilling the expectations of the client and key stakeholders.


  • Four-week-long installation cycle through Excel-based traditional planning
  • Logistical challenges in removing large and heavy UPS units
  • Installations while practising safe distancing during the COVID-19 pandemic


  • Improved Lean planning process using VisiLean
  • Past performance reviews in weekly planning meetings
  • Accuracy in planning measurements from weekly to daily basis


  • Savings on additional direct labour costs between $800K-$1.6M
  • More reliable prediction of critical path activities
  • Improved customer, supply chain and other stakeholder confidence in project team and schedule


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