Damage Quantification

Construction Damage Analysis
Expert Witness

Proving liability is only half the case. Proving the amount requires a detailed, documented analysis grounded in actual project costs and a clear causal chain between the event and the loss. I quantify construction damages using the project's own records, including labor, materials, equipment, and overhead, and produce opinions that hold up under cross-examination.

CCP Certified PSP Certified Plaintiff & Defense 20+ Years Field Experience
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20+
Years Field Experience
$3B+
in Projects Managed
100+
Projects Delivered
4
State GC Licenses
Overview

What Is Construction Damage Analysis?

Construction damage analysis is the disciplined process of identifying what monetary losses occurred on a project, tracing them to specific causative events, and quantifying them in a way that courts and arbitrators can evaluate. The analysis has to survive cross-examination on three fronts: causation, methodology, and reasonableness.

A damages analysis that simply adds up unpaid invoices or applies a blanket inefficiency percentage rarely survives scrutiny. The opinion has to start with what the project was supposed to cost, establish what it actually cost, and then explain, using project records, schedules, and site conditions, why the difference was caused by the event in dispute.

My CCP (Certified Cost Professional) and PSP (Planning and Scheduling Professional) certifications reflect the two disciplines that damages analysis draws on most heavily: cost engineering and schedule analysis. Combined with 20+ years of managing projects where I tracked real costs against real budgets, I approach damages the way a project manager would, using actual numbers, not theoretical ones.

Methodology

How I Approach Damage Quantification

A structured, document-driven process from baseline to final opinion.

1

Establish the Baseline

Before quantifying damages, I establish what the project was supposed to cost: original contract value, approved budget, bid breakdown, and any agreed schedule of values. This baseline is what damages are measured against.

2

Trace Actual Costs

I review certified payrolls, subcontractor invoices, equipment records, material purchases, and job cost reports to establish what was actually spent. Where records are incomplete, I identify the gap and address it in the methodology.

3

Establish Causation

The hardest step. I link the cost variance to specific project events: delays, disruptions, owner-directed changes, differing site conditions, or defective work by others. Causation requires both cost records and schedule analysis.

4

Produce the Opinion

Written expert report with clear methodology, documented calculations, and an opinion on total damages attributable to the events at issue. Structured for disclosure in state or federal court.

Damage Categories

Types of Construction Damages I Analyze

Construction damages take many forms. Each requires a different methodology and a different set of supporting project records.

Labor Inefficiency

When workers can't maintain productive output because of disruptions, out-of-sequence work, or changed conditions, the labor overrun needs to be calculated with a defensible methodology: measured mile, baseline productivity analysis, or industry studies applied to the actual project conditions.

Material Escalation

Delays push material purchases into periods of higher pricing. Quantifying material escalation requires the original bid pricing, proof of the delay's cause, and market data showing the actual price increase during the affected period.

Extended General Conditions

Time-related overhead, including site supervision,, temporary facilities, equipment, insurance, and bonds, continues to accrue when a project is extended. The proper daily rate is calculated from actual project costs, not a formula.

Lost Productivity

Acceleration, stacking of trades, fatigue, and adverse conditions all reduce crew productivity. Documenting lost productivity requires connecting observable site conditions to cost record deviations from the original production rates.

Cost to Complete

In termination and abandonment disputes, one of the key damages is what it cost the owner to complete the work after the contractor left. This requires a scope analysis of what was done, what remained, and what the replacement contractor actually charged.

Consequential Damages

Lost revenue, lost use, financing costs, and other downstream economic losses that flow from the construction failure. Whether these are recoverable depends on contract language and jurisdiction, but they still require quantification if they're in the case.

Why It Matters

Field Experience vs. Theoretical Analysis

What Field Experience Adds

  • Knows what crews actually cost: labor, burden, productivity norms by trade and project type
  • Recognizes when claimed inefficiency is real vs. normal variance in any construction project
  • Understands which overhead costs genuinely extend with the project and which are fixed
  • Can evaluate whether cost-to-complete estimates are realistic given the scope remaining
  • Credible to juries and arbitrators because the opinions come from someone who has managed projects at this scale

Where Theory-Only Opinions Fail

  • Apply industry averages without accounting for how this specific project was managed
  • Inflate damages with productivity factors that don't reflect actual crew performance records
  • Claim extended overhead on costs that were actually fixed or sunk
  • Calculate material escalation without verifying what was actually purchased and when
  • Collapse under cross-examination because the expert hasn't personally managed the type of work at issue
Background

Credentials & Qualifications

CCP and PSP certifications from AACE International, combined with 20+ years of managing complex commercial construction projects.

Garrett Johnson, Construction Damage Analysis Expert Witness
  • B.S. Civil Engineering: Brigham Young University
  • CCP: Certified Cost Professional (AACE International)
  • PSP: Planning and Scheduling Professional (AACE International)
  • CCM: Certified Construction Manager (CMAA)
  • FMPC: FenestrationMaster Professional Certification
  • Licensed General Contractor: B100 & E100AK  ·  ID  ·  NV  ·  UT
FAQ

Frequently Asked Questions

Construction damage analysis is the process of identifying, quantifying, and attributing monetary losses that resulted from a construction dispute, whether caused by defects, delays, disruptions, or changed conditions. A damage analysis expert reviews project cost records, schedules, contracts, and change orders to establish what the damages actually are and how they connect to the specific events or parties at issue.

Liability answers the question of who is responsible: which party breached the contract or fell below the standard of care. Damages answer the question of how much: what monetary loss actually resulted from that breach. Both require expert opinion in most construction disputes, and they are often addressed by different experts, though a single expert with sufficient credentials can address both.

Field experience allows a damage analysis expert to evaluate whether claimed costs are reasonable in the context of actual construction operations. An expert who has managed real projects knows what labor, materials, and equipment actually cost, and can identify when a damages claim is inflated, unsupported by actual invoices, or based on theoretical inefficiency calculations that don't hold up under scrutiny.

Yes. On the plaintiff side, the analysis establishes the full monetary impact of defects, delays, or disruptions. On the defense side, the analysis tests whether claimed damages are actually supported by project records, whether costs are reasonable, and whether the causal link between the alleged event and the claimed loss holds up. Both sides require the same analytical rigor. The facts determine the opinion.

The most useful documents are the original contract and budget, certified payrolls and labor cost records, subcontractor invoices, change order logs, project schedules and updates, cost-to-complete projections, and any contemporaneous cost tracking maintained by the project team. The quality of the analysis is largely determined by the quality of the project records available.

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