The Evidence Infrastructure for Construction
Documentation Drives Profitability

The work happened. The paperwork should prove it.

NXLIRA turns fragmented commercial construction records into structured, defensible project intelligence. Before a change becomes a financial dispute, we audit drawing revisions, RFIs, daily logs, and T&M tickets with AI document intelligence + deterministic mathematical verification.

Audit Change Order Demo
01. Audit
02. Verify
03. Document
04. Package
05. Results
Modern commercial construction structure showing architectural concrete pillars
AUDITED · VERIFIED

FIELD DIRECTORY // COMMERCIAL AUDIT

Cross-Document Evidence Synthesis

Sample PackageChange Order #017
Claimed Total$42,680.00
Supported Backup:$38,240
Needs Clarification:$2,100
Documentation Gap:$2,340
Deterministic check: 30 hrs documented in T&M logs vs 24 hrs claimed. Flagged for GC reconciliation prior to final submission.
ACCURACY CREATES OPPORTUNITYNXLIRA EVIDENCE GRAPH
Interactive Audit Engine

AI does the understanding. Rules do the checking.

NXLIRA isn't designed around simply sending a PDF to an LLM and asking: “Is this change order good?”That approach is too unreliable for commercial construction. Instead, we perform source-grounded extraction paired with deterministic arithmetic reconciliation across the entire evidence chain.

Select Live Package:
DETERMINISTIC ENGINE: ACTIVE·HALLUCINATION: 0%
CO #017Mechanical & Sheet Metal

HVAC Ductwork Rerouting & Structural Beam Clash

Documents Reconciled17 Artifacts
Claimed Request$42,680
Evidence Reconciliation StatusTotal Claims Analyzed: $42,680
Supported by Records:$38,240
Needs Clarification:$2,100
Documentation Gap:$2,340
1. What changed?Supported

Revised drawing E2.3 Rev. 4 demonstrates 140 linear feet of 24" duct offset around transfer girder W36x230.

Source: Drawing E2.3 Rev. 4 vs Baseline M-104
2. Why did it change?Supported

RFI #142 confirms elevation conflict between structural steel flange and primary supply trunk.

Source: RFI #142 (Closed by Engineer of Record)
3. Was it authorized?Supported

Architectural Field Order #19 directed immediate rerouting to maintain surgical suite ceiling clearance.

Source: Architect Instruction Email & AFO #19
4. Was work performed?Needs Clarification

T&M Tickets #084 (16 hrs) & #086 (6 hrs) plus Daily Report (8 hrs) total 30 hrs documented vs 24 hrs claimed.

Source: T&M #084, T&M #086, Superintendent Daily Log 10/14
5. Quantity reconciliationNeeds Clarification

Labor hours in field records exceed claimed amount by 6 hours. Contractor under-claimed or misallocated.

Source: T&M Cross-Reference Engine
6. Cost arithmeticNeeds Clarification

Subtotal calculation reconciled, but $1,850 damper actuator cost lacks vendor invoice attachment.

Source: Deterministic Accounting Rules
7. What is missing?Missing Evidence

Missing supplier invoice for specialized vibration isolator dampers and signed GC superintendent ticket.

Source: Backup Completeness Check
8. ContradictionsSupported

No date or revision discrepancies found between RFI release and crew mobilization on site.

Source: Chronological Timeline Graph
NXLIRA Evidence Graph v2.4 · Source-Grounded
Audit Your Change Order
The Fundamental Bottleneck

Construction doesn't have a document problem. It has a documentation relationship problem.

The information exists across your jobsite. But the relationship between the records is buried in silos, cloud drives, and fragmented email chains. When a $50,000 change order is submitted, general contractors and owners spend days manually trying to connect the dots.

The 19 Fragmented Jobsite Records on Every Commercial Project
DISCONNECTED SILOS
Contracts
Drawings & Revisions
Specifications
RFIs
Submittals
Change Requests
Change Orders
Daily Reports
Meeting Minutes
Project Emails
Site Photos
T&M Tickets
Purchase Orders
Vendor Invoices
Schedules
Inspection Records
Field Notes
Pay Applications
Closeout Records
BURDEN: Manual reconciliation between 19 disparate systems18% PROJECT TIME LOST SEARCHING DATA
NXLIRA RELATIONAL CONNECTION ENGINE

Turning Fragmented Documents into Linked Evidence

Drawing RevisionChange Order
01

Explains the geometrical and physical scope delta

RFI #142Drawing Revision
02

Explains why the drawing was forced to change

Owner Email / MemoField Authorization
03

Establishes written directive to perform extra work

Daily Superintendent LogSite Occurrence
04

Establishes that the physical work actually occurred

Signed T&M TicketsLabor & Equipment
05

Establishes crew hours, equipment run-time, and trade headcount

Supplier InvoiceMaterial Cost
06

Establishes wholesale unit prices and delivered freight

Traditional Workflow (Fragmented)

Documents → Folders → Spreadsheets → Emails → Manual Dispute

NXLIRA Evidence Trail (Structured)

Event → Decision → Change → Work → Quantity → Cost → Evidence

AIA Document G701 change order and architectural blueprints under audit review
AUDIT PERSPECTIVE

“The work happened. The paperwork should prove it.”

Every claimed line item traced back to its verified field ticket and engineering directive.

AIA G701 COMPLIANCE

Reconstructing the story behind every commercial modification.

Oxford Economics Forecast: Construction = 13.5% Global GDP35% EXPERIENCES MAJOR CHANGES
Architectural Integrity

The NXLIRA Evidence Chain

A commercial change order is not an isolated invoice—it is the terminus of a complex sequence of project events. NXLIRA reconstructs the complete chronological evidence chain from contract baseline to final payment.

THE 9-LINK RECONSTRUCTION PIPELINE
01

Baseline

Contract scope, approved drawings, baseline specifications.

02

Change / Delta

Scope variance, revised plans, bulletins, site conditions.

03

Cause

RFI response, architect field order, clash detection, unforeseen soil.

04

Authorization

Signed directive, notice to proceed, GC correspondence.

05

Actual Work

Daily field logs, inspector reports, geo-tagged photos, T&M sign-ins.

06

Quantity

Crew labor hours, equipment duration, linear footage, unit counts.

07

Cost

Prevailing wage rates, vendor invoices, rental receipts, contract markup.

08

Schedule Impact

Critical path delay, predecessor shift, milestone adjustments.

09

Defensible Evidence

Submission-ready package substantiated by irrefutable proof.

RESULT: A project record that is easier to understand, review, audit, and defend.COMPLIANT WITH AIA G701 & CONSENSUSDOCS
LAYER 01: AI DOCUMENT INTELLIGENCE

AI Extracts & Understands Complex Human Context

Construction documents are unstructured and written by busy superintendents and engineers. Our document intelligence layer ingests drawings, specifications, emails, and field tickets to parse:

• Scope descriptions & revisions
• RFI numbers & drawings
• Labor hours & trade classes
• Equipment run times
• Material line items & units
• Contractual authorization terms
LAYER 02: DETERMINISTIC VERIFICATION

Rules Do the Checking. Zero Mathematical Guesswork.

Where a computer can calculate or compare something directly, NXLIRA enforces strict rules rather than asking an LLM:

Labor: 24 hrs × $65/hr$1,560.00
Materials: 120 units × $18.50$2,220.00
Subtotal$3,780.00
Contract Markup (10%)$378.00
Deterministic Verified Total$4,158.00

If the submitted change order requests $4,658, NXLIRA doesn't ask AI whether that “looks about right.” It flags the $500 discrepancy programmatically.

NXLIRA Accuracy Philosophy

Evidence, Not Hallucination

AUDIT OBJECTIVE
01

Source-Grounded Extraction

Every finding links directly to the specific sheet, paragraph, email, or daily ticket that produced it. Zero ungrounded assertions.

02

Deterministic Calculations

Arithmetic, quantity extensions, markup formulas, and rate lookups are calculated with exact programmatic rules—never estimated by an LLM.

03

Cross-Document Verification

Claims are checked across multiple independent artifacts: drawings vs RFIs vs T&M tickets vs supplier invoices.

04

Confidence Classification

Clear four-state taxonomy: Supported, Needs Clarification, Unsupported / Missing Evidence, and Not Evaluated.

05

Human Review Integration

High-value or ambiguous findings are highlighted for expert review before being delivered to the customer or GC.

06

No Invented Evidence

If a document doesn't establish a fact, NXLIRA reports the gap. No hallucinated bridge assumptions. No evidence = documentation gap.

Core Directive: “The objective isn't: ‘AI is 99.9% accurate.’ The objective is: ‘Every important finding can be traced back to the evidence that produced it.’”
Test Live Findings
Customer Value Proposition

Built for Commercial Builders Who Protect Profits

Whether you are a subcontractor fighting for earned compensation, a general contractor vetting trades, or an owner safeguarding budget, NXLIRA establishes the single source of defensible truth.

TRADE CONTRACTORS & SPECIALTIES

Build airtight change packages. Get paid for extra work.

✓

Stop leaving 3%–7% of earned project margin on the table due to incomplete paperwork.

✓

Catch missing backup and quantity math errors before submitting change requests to the GC.

✓

Transform field redlines and T&M tickets into structured, submission-ready AIA G701 packages.

✓

Accelerate billing approval cycles from 45 days down to 10 days.

“It caught gaps in our backup before we sent the package to the GC. That completely changed the way we prepare our change requests.”

— Project Manager, Specialty MEP Contractor
Sleek white construction hardhat on stone architectural table with blueprints
JOB-SITE AUDIT DISCIPLINE

Details Protect Profits.

From extra work to approved payment.

Rigorous Classification

The NXLIRA Confidence Model

Construction documentation is too contractually and financially critical for fuzzy confidence scores. NXLIRA categorizes every claim and line item into an unambiguous four-state evidentiary model.

CRITICAL DISTINCTION IN COMMERCIAL DISPUTES

No evidence ≠ no change.    No evidence = documentation gap.

NXLIRA doesn't declare fraud or decide contractual entitlement. We identify the documentation discrepancy so contractors can fix it before submitting to the GC.
Supported

Evidentiary Definition:

The available records substantiate the finding.

Jobsite Implication:

Cross-document references (drawings, RFIs, tickets, invoices) establish entitlement, quantity, and cost.

System Outcome: Approved for inclusion in submission-ready pay package.
Needs Clarification

Evidentiary Definition:

Evidence exists but contains an inconsistency, ambiguity, or incomplete relationship.

Jobsite Implication:

E.g., daily logs report 30 crew hours while the change claim lists 24 hours, or rate differs from contract appendix.

System Outcome: Flagged for contractor reconciliation prior to formal submission.
Unsupported / Missing Evidence

Evidentiary Definition:

The claim exists, but sufficient supporting documentation was not found in the package.

Jobsite Implication:

E.g., $1,850 damper expense claimed with no supplier receipt or purchase order attachment.

System Outcome: Identified as a documentation gap to request from vendor.
Not Evaluated

Evidentiary Definition:

The available package does not contain enough baseline information to evaluate.

Jobsite Implication:

E.g., prime contract schedule logic missing to assess critical path impact.

System Outcome: Queued for supplemental document ingestion.
ECOSYSTEM COMPATIBILITY

Built to Work Above Existing Construction Software

NXLIRA doesn't replace the platforms your teams already use. We sit above them as the intelligence and evidence layer, extracting and cross-linking data from every repository.

ProcoreProject Management & Financials
Autodesk Construction CloudBIM, Drawings & Field
Bluebeam RevuTakeoffs, Markups & Specs
SharePoint / TeamsDocument Repositories
Sage & CMiC ERPAccounting & Payroll
Outlook & GmailJobsite Correspondence
The Goal Isn't: “Replace your construction software.”
The Goal Is: “Make the information inside your software understandable, connected, and traceable.”
Discuss Enterprise Integration
Financial Impact Modeling

Commercial Change Order Leakage Calculator

According to Autodesk and Procore industry benchmarks, over 35% of commercial projects experience major changes, and 28% of contractor profit is compromised by disputes, missing backup, and unrecovered field changes. Model your exposure below:

Commercial Portfolio Parameters

ADJUST SLIDERS
$45M
$5M$100M$250M+
8% ($3.60M)
3% (Low)8% (Industry Avg)20% (High Density)
12%
3%12% (Typical Write-Off)25% (High Friction)
PROJECTED REVENUE PROTECTION

Estimated Annual Value Realized

Recovered Change Order Cashflow / Year
$311,040

Based on eliminating unsupported documentation gaps and defending 72% of challenged line items.

PM Hours Saved434 hrs85% audit acceleration
Labor Overhead Saved$41,230PM overhead recovered
Combined Annual Net Gain:$352,270 / yr
ETHICAL & TECHNICAL FOUNDATION

The NXLIRA Promise

Construction law and commercial relationships are founded on proof. We adhere strictly to three inviolable operating tenets:

01. We don't decide what happened. We show you what the record supports.

We do not make arbitrary contractual entitlement judgments. We highlight exactly what the written record substantiates.

02. We don't invent missing evidence. We identify the gap.

If an invoice or RFI is missing, NXLIRA flags the absence. We never fabricate connections or hallucinate documentation.

03. We don't replace construction professionals. We give them better project intelligence.

Engineers, project managers, and executives retain final decision authority. We eliminate 85% of manual paper chasing.

Field Validations

What Commercial Construction Leaders Say

Validated feedback from general contractors, trade subcontractors, and institutional owner reps.

Healthcare & Life Sciences01

NXLIRA cut through the change-order backup and showed us exactly where the documentation didn’t reconcile. Instead of spending hours going through every attachment, we had a clear list of what needed to be fixed.

Project Manager
Commercial General Contractor
Commercial High-Rise02

The biggest value wasn’t the summary. It was being able to see why NXLIRA reached each finding and where the supporting document came from.

Senior Project Manager
Top-40 ENR General Contractor
Data Centers & Industrial03

It caught gaps in our backup before we sent the package to the GC. That changed the way we prepare our change requests and stopped write-offs.

Project Manager
Specialty Mechanical Contractor
Higher Education Facilities04

For the first time, we could follow a cost change back through the project record instead of just looking at the final number.

Owner’s Representative
Institutional Capital Group
Get Started

Audit Your Change Order Package

Send us an upcoming or disputed change order package. Our engineering and audit team will run it through NXLIRA's 8-point verification engine and deliver a complete Defensible Audit Memorandum within 24 business hours.

Full NDA & ConfidentialityAll project drawings, rates, and contracts are protected by strict enterprise confidentiality.
Deterministic Math GuaranteeEvery hour, multiplier, and extension verified with rule-based arithmetic. Zero AI hallucinations.
Submission-Ready OutputReceive a clear executive breakdown formatted specifically for GC and Owner approval.
Direct Inquiries:
contact@nxlira.com · audit@nxlira.com
Commercial Construction Support Services

Audit Request & Discovery Consultation

Enter your details below to schedule an audit or evaluate a sample package.

Drag & drop change order PDF, AIA G701, or click to browse