The ScheduleLens Blog
Practical guides on construction scheduling, delay analysis, and programme review — written for the people who review contractor programmes, not just those who build them.
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Educational Guide 12 minTwo Delay Analysis Methods, One Set of Facts, Opposite Answers
A worked construction example where two delay analysis methods invert which event caused the delay, plus what AACE, the SCL Protocol and CIOB require.
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Educational Guide 11 minProspective or Retrospective? What Four English Judgments Actually Say About Choosing a Delay Analysis
What four English judgments say about choosing between prospective and retrospective delay analysis, and why the method label is not what a tribunal decides.
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Educational Guide 16 minPrimavera P6 Schedule Review: The Complete Checklist for Reviewing Contractor Schedules
A step-by-step Primavera P6 schedule review checklist: open XER files, run DCMA 14-Point checks, validate the critical path, compare updates, document findings.
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Educational Guide 22 minSchedule Analysis Tools and Software: Compared for Construction
Compare the top schedule analysis tools for construction: DCMA 14-Point checks, baseline-vs-update comparison, forensic delay analysis and EOT support.
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Educational Guide 17 minSchedule Manipulation Detection: How to Spot and Document Contractor Schedule Gaming
How to detect the 10 most common schedule manipulation techniques in construction, from hidden float to DCMA-threshold evasion, with step-by-step P6 methods.
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Educational Guide 13 minSchedule Analytics in Construction: Metrics, Methods, and Tools for Programme Intelligence
Schedule analytics turns programme data into project intelligence. Learn the metrics, tools, and methods construction PMs use to track and forecast performance.
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Guide 13 minHow to Analyse Construction Schedule Quality: A Practical Workflow
Learn how to analyse construction schedule quality step by step: DCMA 14-point checks, logic audits, baseline validation and a client-ready reporting template.
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Guide 12 minSchedule Compression in Construction: How to Fast Track, Crash and Recover Delay
Schedule compression in construction: fast tracking vs crashing, cost slope analysis with worked examples, the 8-step process, and when not to compress.
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Educational Guide 14 minConstructive Acceleration: How to Prove, Document and Defend Against Claims
How to prove constructive acceleration: the 5 elements of proof, schedule analysis methods, jurisdictional differences and documentation requirements.
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Educational Guide 16 minDelay Analysis Report: How to Write, Structure and Review Construction Delay Reports
Learn how to write a delay analysis report: 12-section template, SCL Protocol requirements, AACE 29R-03 disclosure, and how to review opposing reports.
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Educational Guide 14 minMS Project Schedule Check: DCMA Quality Checklist for MSP
Step-by-step MS Project schedule quality checklist: how to check open ends, constraints, float, critical path, and run DCMA 14-Point in Microsoft Project.
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Educational Guide 16 minSchedule Risk Analysis: Monte Carlo, QSRA & P80 Contingency in Construction
Complete construction QSRA guide: Monte Carlo simulation, three-point estimates, P80 contingency planning, and step-by-step schedule risk analysis with P6.
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Educational Guide 19 minForensic Schedule Analysis: The Construction Guide to AACE 29R-03 Methods, Process and Best Practice
Forensic schedule analysis for construction disputes: AACE 29R-03 methods, a decision guide for choosing one, and the process from instruction to expert report.
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Educational Guide 18 minTime Impact Analysis (TIA): The Complete Step-by-Step Guide for Construction Delay Claims
Time Impact Analysis (TIA) for construction delay claims: SCL Protocol method for fragnet construction, P6 walkthrough, common mistakes, review checklist.
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Educational Guide 13 minBaseline Schedule Review: A Step-by-Step Checklist for Contractor Programmes
Baseline schedule review checklist for construction PMs: contract compliance, logic, critical path, DCMA 14-Point quality checks, and monthly update reviews.
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Educational Guide 13 minBaseline vs Current Schedule Comparison: How to Identify and Interpret Schedule Variances
Compare baseline and current construction schedules: what changes to look for, how to run the comparison in P6, and what each variance means for your project.
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Educational Guide 14 minConcurrent Delay in Construction: How to Identify, Analyse and Resolve It
Learn how to identify and analyse concurrent delay in construction: literal vs functional concurrency, the legal tests, and a step-by-step analysis method.
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Educational Guide 13 minConstruction Project Benchmarking: How to Validate Schedule Durations Against Industry Standards
Learn how to benchmark construction schedule durations against industry data. Covers methods, data sources, duration ranges by project type, and EOT claims.
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Educational Guide 15 minCritical Path Method in Construction: How to Identify, Validate and Monitor the Critical Path
Learn how the critical path method works in construction, how to find and validate the critical path in P6, and why monitoring it prevents project delays.
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Educational Guide 13 minDCMA 14-Point Assessment: 14 Checks, Thresholds & Fixes
The complete DCMA 14-Point Assessment: every check, its pass/fail threshold, and how to fix the failures reviewers flag most on P6 and MS Project baselines.
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Educational Guide 14 minExtension of Time (EOT) Claim Analysis: Methods, Preparation & Review
The six delay analysis methods behind a defensible extension of time claim, plus how to prepare your submission and review one from the employer's side.
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Educational Guide 15 minExtension of Time Claim Process: Step-by-Step Guide for Contractors and Employers
The complete EOT claim process: from delay event notice to assessment, with contract requirements, timelines, checklists, and common rejection reasons.
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Educational Guide 15 minHow to Review a Contractor's Programme: Step-by-Step Guide with Checklist
The 7-step process for reviewing a contractor's baseline programme, from contractual compliance to schedule quality checks, with a practical review checklist.
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Educational Guide 13 minTotal Float vs Free Float in Construction Scheduling: What They Mean and How to Use Them
The difference between total float and free float in construction scheduling, how to calculate them, and what negative float tells you about project risk.
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Educational Guide 14 minXER File Analysis: How to Review P6 Schedules Without P6
How to open and analyse a Primavera P6 XER file without a P6 licence: what it contains, what to check, and how to run a full DCMA 14-Point quality review.
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Educational Guide 12 minConstruction Schedule Analysis: The Complete Guide to Methods, Steps & Tools
A complete guide to construction schedule analysis: the four core methods, a 7-step contractor review process, EOT claims, and the best tools for the job.
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