The ScheduleInsight Blog https://scheduleinsight.com/blog Schedule quality, forensic delay analysis and quantitative schedule risk, explained by practitioners — from the team behind ScheduleInsight. en-GB © 2026 ScheduleInsight Thu, 06 Aug 2026 09:00:00 GMT https://scheduleinsight.com/assets/og/blog/index.png The ScheduleInsight Blog https://scheduleinsight.com/blog Reviewing a monthly schedule update in thirty minutes https://scheduleinsight.com/blog/schedule-update-review https://scheduleinsight.com/blog/schedule-update-review Thu, 06 Aug 2026 09:00:00 GMT Practical Guide The eleven things that can change between two revisions, the order to check them in, and the signal that moves two updates before the date does. Resource levelling and schedule quality: what happens to your critical path https://scheduleinsight.com/blog/resource-levelling-and-schedule-quality https://scheduleinsight.com/blog/resource-levelling-and-schedule-quality Thu, 30 Jul 2026 09:00:00 GMT Best Practice Levelling delays activities without adding logic — so total float survives the process and quietly stops meaning what it meant. How to review a resource-loaded schedule properly. EOT under FIDIC: your programme is a condition of entitlement https://scheduleinsight.com/blog/fidic-programme-and-eot-claims https://scheduleinsight.com/blog/fidic-programme-and-eot-claims Tue, 21 Jul 2026 09:00:00 GMT Forensic Analysis Sub-clauses 8.3, 20.2 and the provision most contractors miss — 20.2.7, which lets the Engineer reduce an EOT because the programme didn't comply. Out-of-sequence progress: the setting that quietly moves your completion date https://scheduleinsight.com/blog/out-of-sequence-progress https://scheduleinsight.com/blog/out-of-sequence-progress Thu, 09 Jul 2026 09:00:00 GMT Practical Guide Retained logic vs progress override vs actual dates — three answers to the same progressed network, and three different finish dates. What to do instead. The GAO ten best practices, and the three things the DCMA 14 cannot see https://scheduleinsight.com/blog/gao-schedule-assessment-guide https://scheduleinsight.com/blog/gao-schedule-assessment-guide Fri, 26 Jun 2026 09:00:00 GMT Schedule Quality GAO-16-89G's four characteristics and ten best practices, mapped check-by-check against the DCMA 14 — and the three questions no structural test can answer. The anatomy of schedule quality: what the DCMA check reveals https://scheduleinsight.com/blog/anatomy-of-schedule-quality https://scheduleinsight.com/blog/anatomy-of-schedule-quality Sat, 13 Jun 2026 09:00:00 GMT Field Model Bad schedules fail in a predictable shape — and structural failures predict which projects slip. A field model of schedule quality. Earned Schedule: the fix for EVM's broken clock https://scheduleinsight.com/blog/earned-schedule https://scheduleinsight.com/blog/earned-schedule Sat, 13 Jun 2026 09:00:00 GMT Best Practice Why SPI lies late in the project, and how earned schedule measures schedule performance in units of time. The schedule basis document: what to include, and why it wins disputes https://scheduleinsight.com/blog/schedule-basis-document https://scheduleinsight.com/blog/schedule-basis-document Sat, 13 Jun 2026 09:00:00 GMT Practical Guide What goes in a schedule basis document, section by section — and why writing it contemporaneously is the strongest defence a baseline ever gets. The time-scaled logic diagram (TSLD): seeing the driving path https://scheduleinsight.com/blog/time-scaled-logic-diagram https://scheduleinsight.com/blog/time-scaled-logic-diagram Sat, 13 Jun 2026 09:00:00 GMT Practical Guide What a TSLD is, how to read one, and when it beats a Gantt for showing the chain that drives the finish. How to open an XER file without Primavera P6 (free, in your browser) https://scheduleinsight.com/blog/open-xer-file-without-p6 https://scheduleinsight.com/blog/open-xer-file-without-p6 Thu, 11 Jun 2026 09:00:00 GMT Practical Guide Five ways to open a P6 XER file without a licence — honestly compared, including what each route loses. Building a Risk-Loaded Schedule: Three-Point Estimates That Mean Something https://scheduleinsight.com/blog/risk-loaded-schedule https://scheduleinsight.com/blog/risk-loaded-schedule Tue, 09 Jun 2026 09:00:00 GMT Risk · QSRA Range honesty, anchoring bias, correlation, risk events and workshop craft — preparing inputs the simulation deserves. Critical path vs longest path in P6: why total float lies to you https://scheduleinsight.com/blog/critical-path-vs-longest-path https://scheduleinsight.com/blog/critical-path-vs-longest-path Thu, 04 Jun 2026 09:00:00 GMT Practical Guide P6 has two definitions of 'critical' — and on constrained, multi-calendar programmes they disagree, sometimes spectacularly. The Five Scheduling Sins the DCMA Check Catches Most https://scheduleinsight.com/blog/five-scheduling-sins https://scheduleinsight.com/blog/five-scheduling-sins Thu, 28 May 2026 09:00:00 GMT Schedule Quality Open ends, lag abuse, constraint pinning, six-month activities and the unstatused baseline — why planners do it and how to fix it. How to read a P6 schedule when you're not a planner https://scheduleinsight.com/blog/how-to-read-a-p6-schedule https://scheduleinsight.com/blog/how-to-read-a-p6-schedule Wed, 27 May 2026 09:00:00 GMT Practical Guide The seven things to find before reading any bars, and five questions to ask the planner. NEC4 clause 31: getting your programme accepted (and why most aren't) https://scheduleinsight.com/blog/nec4-programme-acceptance https://scheduleinsight.com/blog/nec4-programme-acceptance Wed, 20 May 2026 09:00:00 GMT Practical Guide What clause 31 requires, the four reasons a PM can reject a programme, and how to self-audit before you submit. The DCMA 14-Point Assessment, Properly Explained https://scheduleinsight.com/blog/dcma-14-point-check https://scheduleinsight.com/blog/dcma-14-point-check Tue, 12 May 2026 09:00:00 GMT Schedule Quality Every metric, every threshold, and what each one actually tells you about a schedule. The schedule narrative: the report everyone requests and nobody enjoys writing https://scheduleinsight.com/blog/schedule-narrative-report https://scheduleinsight.com/blog/schedule-narrative-report Thu, 07 May 2026 09:00:00 GMT Practical Guide A seven-section skeleton for the monthly schedule narrative, and the writing habits that make it worth reading. QSRA Explained: What Monte Carlo Actually Does to Your Schedule https://scheduleinsight.com/blog/qsra-monte-carlo-explained https://scheduleinsight.com/blog/qsra-monte-carlo-explained Thu, 30 Apr 2026 09:00:00 GMT Risk · QSRA P50 and P80 properly explained, merge bias, criticality index, tornado charts — and why your deterministic date is probably a P15. Concurrent Delay: The Argument Every Big Claim Ends Up Having https://scheduleinsight.com/blog/concurrent-delay https://scheduleinsight.com/blog/concurrent-delay Thu, 16 Apr 2026 09:00:00 GMT Forensic Analysis What true concurrency actually requires, why it is rarer than employers hope, and how pacing and method choice change the answer. Time Impact Analysis vs Windows Analysis: Which One Does Your Dispute Need? https://scheduleinsight.com/blog/tia-vs-windows-analysis https://scheduleinsight.com/blog/tia-vs-windows-analysis Thu, 02 Apr 2026 09:00:00 GMT Forensic Analysis How TIA and windows analysis actually work, where each one breaks, and how to choose between them. As-planned vs as-built: the oldest delay method, done properly https://scheduleinsight.com/blog/as-planned-vs-as-built https://scheduleinsight.com/blog/as-planned-vs-as-built Thu, 19 Mar 2026 09:00:00 GMT Forensic Analysis Why tribunals like it, why opponents attack it, and how to build one that survives cross-examination. Forensic Delay Analysis: Choosing Your Method Before Someone Chooses It for You https://scheduleinsight.com/blog/forensic-delay-analysis-methods https://scheduleinsight.com/blog/forensic-delay-analysis-methods Thu, 05 Mar 2026 09:00:00 GMT Forensic Analysis The AACE 29R-03 taxonomy and the SCL Protocol's six methods, mapped — and the real criteria that decide which method your dispute can support. Baselines: the discipline that decides whether you can prove anything https://scheduleinsight.com/blog/baseline-management https://scheduleinsight.com/blog/baseline-management Thu, 19 Feb 2026 09:00:00 GMT Best Practice What a proper baseline is, when re-baselining is legitimate, and the update discipline that makes delay provable later. Float: the most misunderstood number in project controls https://scheduleinsight.com/blog/understanding-float https://scheduleinsight.com/blog/understanding-float Thu, 05 Feb 2026 09:00:00 GMT Schedule Quality Total float, free float, negative float and who owns it — what the numbers actually mean and where they go wrong. Leads, Lags and Logic Density: The Hidden Mechanics of Your Network https://scheduleinsight.com/blog/leads-lags-logic-density https://scheduleinsight.com/blog/leads-lags-logic-density Thu, 22 Jan 2026 09:00:00 GMT Schedule Quality What a relationship really is in CPM maths, why leads break the forward pass, the lag-calendar trap, and what logic density reveals. Schedule Quality: What It Is, and Why It Decides Disputes https://scheduleinsight.com/blog/what-is-schedule-quality https://scheduleinsight.com/blog/what-is-schedule-quality Thu, 08 Jan 2026 09:00:00 GMT Best Practice A schedule has three jobs — predict, coordinate, and serve as evidence. Quality is its fitness to do all three.