Disruption Analysis

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Book a Zoom call with a Solvix consultant at a time that suits you. The Zoom link is sent to you as soon as you book.

Aerial view of a construction site with a crane

What we provide

Solvix International provides construction disruption analysis services for employers, contractors, subcontractors, project managers, commercial teams, and legal advisers who need a defensible view of whether project events reduced labour productivity, changed planned working methods, or generated inefficiency. The focus is on loss of productivity, diluted labour effectiveness, fragmented workflow, and cumulative impact, whether or not completion was delayed.

Reinforcement being installed on a construction site

Assess direct and cumulative disruption arising from resequencing, late design information, access restrictions, trade stacking, out-of-sequence working, acceleration pressure, and fragmented work fronts.

Review production data, manpower records, earned hours, daily reports, instructions, and other project records to test whether productivity deterioration is measurable and causally linked to specific events or a sustained pattern of disruption.

Present clear disruption findings for claim preparation, claim defence, negotiation, ADR, or expert-led review, alongside delay and quantum assessments where required.

Typical disruption scenarios we assess

  • Trade stacking, overcrowded work areas, and interference between packages
  • Resequencing, stop-start working, and repeated mobilisation or demobilisation
  • Late information, design development, and instruction-driven work fragmentation
  • Restricted access, partial handover, late possession, and disrupted work fronts
  • Acceleration pressure, overtime dilution, and cumulative impact from multiple changes

Evidence and data sources we review

  • Labour timesheets, manpower histograms, and crew deployment records
  • Installed quantities, earned hours, productivity curves, and unit-rate trends
  • Daily reports, photographs, diaries, RFIs, NCRs, and correspondence
  • Baseline assumptions, lookahead plans, method statements, and updates
  • Cost codes, plant logs, payroll data, and package-level commercial records
methodology

How we analyse disruption on a construction project

Our approach begins by understanding the alleged disruption mechanism and testing whether the available records can support a reliable productivity opinion. We then compare impacted and unimpacted performance where possible, assess causation, and quantify loss using a method that fits the evidentiary record. The objective is to establish whether identifiable events caused measurable inefficiency and how that inefficiency should be understood commercially and contractually.

Our Disruption Analysis Workflow

From event scoping and productivity baselining to causation testing, quantification, and claim integration.

01

Scope &
Theory

02

Data &
Baseline

03

Impacted vs
Unimpacted

04

Causation
Testing

05

Quantify
Loss

06

Findings &
Claim Link

Typical disruption deliverables

  • Disruption analysis report and executive summary
  • Causation matrix linking events to productivity effects
  • Measured mile, earned hours, or output comparison exhibits
  • Supporting schedules, charts, and record-based appendices
  • Inputs for quantum analysis, claims submissions, or rebuttals

Why clients engage Solvix

  • Independent analysis before positions harden or disputes escalate
  • Integrated support across productivity, delay, quantum, and entitlement issues
  • Method selection matched to the records that actually exist
  • Clear explanations for project leaders, commercial teams, and counsel
  • Flexible support for live projects, claim strategy, and formal proceedings
service scope

What this service covers

Disruption analysis looks at the effect of events on productivity and working method rather than on completion dates. It establishes whether work was carried out less efficiently than planned, what caused that loss, and how it can be measured from the records.

Disruption mechanism definition

Identify how the events relied on are said to have affected productivity, sequence, or working conditions.

Productivity data review

Assess the reliability and consistency of labour, output, and progress data available for analysis.

Causation and quantification

Link disrupting events to measured productivity loss and convert that loss into hours or cost.

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Successfully Completed Projects

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Years of Industry Experience

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Sectors Served

typical instructions

Common matters we support

Disruption claims are often difficult to prove because productivity effects are cumulative and the records were not kept with a claim in mind. We assess what the records can support and select a method that fits them.

Trade stacking and congestion:

Analysis of productivity loss where multiple trades worked in the same area at the same time.

Resequencing and out-of-sequence work:

Assessment of the effect of changed work order on output and supervision.

Late or changing design information:

Review of stop-start working and rework caused by incomplete or revised information.

Restricted access and work fronts:

Analysis of productivity where planned work areas were not available as intended.

Cumulative impact of change:

Assessment of the combined effect of multiple variations on labour efficiency.

Acceleration and overtime effects:

Review of productivity loss associated with extended hours, additional shifts, or crew increases.

METHODS AND APPLICATIONS

Where this service adds value

Disruption analysis can be used to prepare an affirmative productivity loss claim, to test or defend against an incoming disruption allegation, or to provide an independent expert-style opinion before a dispute forum is engaged. The best method depends on the strength of production records, the type of work, the stability of the working conditions, and whether the question concerns a specific event, a cumulative pattern of interference, or both.

Claims preparation support

Structured disruption analysis to help articulate causation, identify measurable productivity loss, and organise the record set before a formal claim or negotiation package is submitted.

Claims defence and evaluation

Focused review of the opposing disruption narrative, including record reliability, comparability testing, alternative causes, and whether the claimed productivity loss is actually supported by the evidence.

ADR and expert support

Clear reports, demonstrative exhibits, and technically robust opinions suitable for mediation, adjudication, arbitration, litigation, or independent expert review where productivity evidence is contested.

FAQS

Frequently asked questions

Delay analysis focuses on the effect of events on time, completion, milestones, and the critical path. Disruption analysis focuses on the effect of events on productivity, efficiency, and the cost of performing the work, even where the project completion date was not moved by the same issue.

A measured mile approach is useful when there is sufficiently reliable data to compare an impacted period or area with an unimpacted or less-impacted benchmark performing substantially similar work. Its strength depends on record quality and the comparability of conditions between the periods being assessed.

Yes, provided there is still a credible evidentiary foundation. In some cases, the analysis may rely on triangulation across labour, quantity, schedule, diary, and commercial records rather than one perfect data source. Part of our role is to assess what can be concluded reliably and where record limitations should be made clear.

Yes. Disruption findings are often most effective when integrated with contractual entitlement review, quantum analysis, delay analysis, and claims strategy. We can support one workstream in isolation or help align the disruption opinion with the wider commercial and dispute position.

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