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Construction AI agent · Special inspections

Special-Inspection Record AI Agent

A discrepancy stays open until a design professional accepts it in writing. The agent keeps that ledger, tests coverage against the statement of special inspections, and hands the sealing engineer a jurisdiction-built bundle.

Typical delivery
4–6 weeks
Deployment
Your stack
Engineer seals
Pre-seal
After launch
Agent Care

What this agent does

Assembles the record; it never states conformance

In

  1. 01

    Work is scheduled, and the statement of special inspections is read as the schedule of record for the permit.

  2. 02

    Work is placed, and coverage is tested against what was placed rather than against what was reported.

Reason

  1. 03

    A report arrives, and it is checked for the was-or-was-not conformance conclusion the California text requires.

  2. 04

    A discrepancy is raised, and it enters the ledger with its date, its phase of work and its correction status.

  3. 05

    An item stays uncorrected, and the escalation the adopting code names is tested against the phase clock.

Decide

  1. 06

    A resolution is offered, and the agent checks it is a writing signed by someone entitled to give it.

  2. 07

    A site-capture observation is not a ledger item; only a credentialed inspector finding under the statement enters.

Out

  1. 08

    A bundle is assembled to the contents list the adopting jurisdiction publishes, and what is missing is named.

  2. 09

    Execute write actions only inside the approval boundaries agreed during implementation.

Product statement

The agent assembles and tests the record; a named licensed professional seals and files whatever the adopting jurisdiction requires.

Example workflow

One discrepancy, raised to resolved

  1. 1Inspection report receivedApproved-agency report, test result, field log or contractor correspondence
  2. 2Item matchedStatement line, phase of work, location and the credential of whoever signed
  3. 3Ledger entry draftedRaised date, phase, correction status, escalation state and confidence
  4. 4Controls appliedCoverage checks, escalation-clock tests, credential-currency checks and confidence threshold

No human action required

Stages 1 to 4 run unaided and nothing is sealed at any of them — a sealed report cannot be recalled once occupancy follows it, so the engineer lane opens at the confidence gate.

5DecisionBranches at the confidence threshold
High confidence

Goes to the design professional to resolve.

Low confidence

Adds a special-inspector read first.

Engineer resolution

The item is held with its reports, its phase clock and the confidence.

Accept · Correct · Refer to the inspector

Accepted — recorded on the ledger

  1. 6Ledger and report set updatedOnly where write access and approval policy allow it
  2. 7Outcome evaluatedCoverage gaps, escalation misses, reopened items and bundles the official returned

Corrections

Corrections made at resolution are counted in the evaluation.

What should not run autonomously

Human approval stays in control

Outside the boundary — human approval required

8 items

  • Performing or witnessing a special inspection or test.
    • Signing, sealing or filing a report or a statement.
    • Determining that work conforms to approved documents.
    • Supplying or inferring a resolution nobody signed.

  • Automation boundary

    Agent acts unaided

    • ✓Reconcile reports against the statement of special inspections.
    • ✓Carry each ledger item with its phase, its dates and its evidence.
    • ✓Test the closing bundle against the jurisdiction contents list.
    • ✓Flag what is missing, and hold the item for the named professional.

    Any write happens inside the boundaries agreed at implementation, never ahead of a seal.

    • Preparing or amending the statement of special inspections.
    • Approving an agency, an inspector or a laboratory.
    • Closing an item on a contractor confirmation alone.
  • Changes to jurisdiction rules, phase maps or escalation clocks.

Example output

One item in the ledger, annotated

What the agent assembles stays attached to the report it came from.

Ledger output · single item

Illustrative example
Inspection type
High-strength bolting
Ledger item
Slip-critical connection at grid E recorded as snug-tight
Phase of work
Phase 3 · frame
Escalation state
Contractor, official and RDPRC
Confidence
88%
Resolution evidence
No signed acceptance on file

As received

Taken from the agency report and the statement of special inspections — nothing on this side is written by the agent.

Evidence assembled

  • Agency inspection report
  • Statement of inspections
  • Contractor correspondence

Why this stays open

The District of Columbia deficiency list wants an acceptance in writing, and none is on the file.

What the score decides

Below the configured threshold the item picks up a special-inspector read before the engineer sees it.

Action

AcceptCorrectRefer to the inspector

Value

Where AI adds value

The same four claims, placed at the point in the workflow where each one applies.

Where the value lands

Value 01 – 04

Every ledger item

From the agency reports

03Assembly

Reconcile to the statement

Read the reports against the statement of special inspections and the work actually placed.

01Approved path

The seal is a person

Routine items arrive already matched, dated and placed on a phase.

02Human review

Send review to the open items

Coverage gaps, missed escalations and unevidenced resolutions are marked, so the engineer reads where risk sits.

04

Build an evidence trail

The item, the discrepancy raised on it and the professional who sealed stay on the report.

Integrations

Typical integrations

Five system groups connect to the same agent. Which of them are in scope is decided in discovery.

  • Project management

    • Procore
    • Autodesk Build
    • Oracle Aconex
    • Asite

  • Inspection and testing

    • Field-report exports
    • Laboratory data feeds

  • Documents and models

    • SharePoint
    • Box
    • BIM 360
    • model exports

Agent

Special-inspection record

  • Reads the reports
  • Holds the ledger
  • Tests the bundle

  • Permitting portals

    • DOB NOW
    • Accela
    • Jurisdiction e-filing

  • Observability & evaluation

    • OpenTelemetry
    • Langfuse
    • Supported monitoring/evaluation sources

Integration availability depends on the client's existing systems and API access.

Agent controls

Six layers between the model and the seal

Six checks in sequence, widest first. What passes every one is listed in the map below.

L6 · Outermost — last line of defence

Inward → L1 · closest to the model

L6Rollback / safe modePull assembly back to draft-only when evaluation or production signals degrade.Roll back
L5Version monitoringTrack model, prompt, jurisdiction-rule and phase-map changes.Track
L4TraceabilityRecord the reports, the ledger state, the escalations and the evidence.Record
L3Engineer approvalHold items for the named professional; it governs release, not whether the acceptance is right.Gate
L2Policy guardrailsTest each item against the adopting jurisdiction rules; a failure returns it to the ledger open.Restrict
L1Confidence thresholdsRoute low-confidence items to a special-inspector read before the engineer sees them.Require review
Model coreLedger item drafted — phase, escalation state, evidence and confidence
L1 – L2
Test whether an item may close
L3
Hands the release to the engineer
L4 – L5
Keep the item and the discrepancy behind it
L6
Reverts to discrepancy-ledger assembly when signals degrade

How Nestack evaluates it

Evaluate the whole record — not only the finished bundle.

Coverage runs the whole depth of the workflow, and every layer is cut by slice.

Surface — the report the building official reads

  1. E1Final-output evaluationDid each ledger item carry its phase, its dates and its evidence?
  2. E2Step-level evaluationDid the agent use the right statement, jurisdiction rules and phase map?
  3. E3Tool evaluationDid it read and write the correct project and the correct item?
  4. E4Confidence calibrationDo low-confidence items actually attract more engineer corrections?
  5. E5Slice evaluationHow does performance change across specific inspection types?
  6. E6Business outcomeHow many items needed a correction or reopened after the bundle closed?

Floor — the outcome the seal rests on

Failure modes

Where each failure originates in the agent

Seven failure modes, each placed at the stage where it originates.

Agent lifecycle

Direction of processing →

  1. 01 · Retrieval

    1 mode

    • GL-03

      Superseded statement

      Reconciled against a schedule a revision replaced.

    Stage gathers

    Statement, agency reports, phase map and evidence

  2. 02 · Reasoning

    2 modes

    • GL-04

      Escalation-clock miss

      An uncorrected item passes the phase it belonged to.

    • GL-06

      Unevidenced closure

      An item closes with no writing from a design professional.

    Stage proposes

    Ledger item, phase, escalation and confidence

  3. 03 · Tool / write

    2 modes

    • GL-02

      Imported observation

      A site-capture finding enters the ledger as a non-conformance.

    • GL-05

      Reported, not placed

      Coverage read from reports rather than from work placed.

    Stage writes

    Only where write access and approval policy allow it

  4. 04 · Output

    1 mode

    • GL-01

      Wrong closing rule

      Bundle built to a rule the adopting jurisdiction does not use.

    Stage returns

    The bundle the engineer seals and the official reads

  5. 05 · Change / Version

    1 mode

    • GL-07

      Silent rule regression

      A jurisdiction or model change widens what the agent will close.

    Stage tracks

    Model, prompt, jurisdiction rules and phase map

  • Sev-1 · a record sealed on a wrong ledger
  • Sev-2 · an open item reaches the bundle
  • Sev-3 · report degrades, item routes to review
See the complete Construction failure-mode catalogue

Affected slices

Coverage can look complete and hide one type

A project-level coverage figure can read as complete while a single inspection type carries most of the open discrepancies. Nestack reports the open-item rate by inspection type, not only in total.

Slice performance — reported separately, not only in aggregate

Illustrative example
SliceFailure rateLiftLift vs. thresholdStatus
Post-installed anchors6.9%3.6×Review
Structural welding4.9%2.6×Review
Concrete placement3.3%1.7×Watch
Soils and foundations2.2%1.2×Normal

Bar: open-item-rate lift vs. soils-and-foundations baseline · scale 0–4.0× · tick marks the 2.0× review threshold

2 of 4 slices over threshold

Evidence-linked improvement

The loop closes on a regression case

The loop shuts when the unresolved discrepancy is a regression case. That suite is what the next report closed is measured against.

Improvement cycle · five stages

Switchback — the path turns at Improve and returns at Learn

  1. 01

    Detect

    Open-item rate rises in one inspection type.

  2. 02

    Diagnose

    The pour that went ahead while the discrepancy was still open is read back through the reports until the cause narrows to one.

  3. 03

    Improve

    Any change ships with a number, and the items attach to it.

  4. 04

    Verify

    One discrepancy case still failing is enough to hold the release.

  5. 05

    Learn

    One case joins the suite, one line joins the inspection record.

  6. Learn → Detect

    The return edge. The next detection runs against a suite one case longer.

Typical build scope

Twelve workstreams across six weeks

The build scope read against the delivery timeline. Week structure follows the six-week plan — discovery, sources, ledger workflow, evaluation, integration, then production validation and handover.

Workstream

Week 1Week 2Week 3Week 4Week 5Week 6

  1. 01Inspection workflow discovery and boundary mapping.Week 1
  2. 02Agency and laboratory source assessment.Week 1, Week 2
  3. 03Statement, phase-map and jurisdiction-rule mapping.Week 1, Week 2
  4. 04Report ingestion and item normalisation.Week 2
  5. 05Coverage logic and statement binding.Week 2, Week 3
  6. 06Confidence scoring and escalation routing.Week 3
  7. 07Engineer resolution workflow.Week 3, Week 4
  8. 08Project and permitting integration.Week 5
  9. 09Coverage and discrepancy cases.Week 4, Week 5
  10. 10Guardrails and sealing controls.Week 4
  11. 11Discrepancy-trail instrumentation.Week 5, Week 6
  12. 12Deployment, documentation and Agent Care handover.Week 6

12 workstreams · 6 weeks · bar shows the weeks a workstream is active — several run in parallel

Final scope and sequence confirmed in discovery

Engagement tiers

What each tier includes

Rows are the capabilities named in each tier's scope. Higher tiers include everything below them.

Capability✓ in scope · — not at this tierPilotOne project, one jurisdictionProductionProduction project systemsAdvancedMultiple projects / jurisdictions
Introduced at Pilot
Ledger against your statement✓✓✓
Engineer resolution✓✓✓
Coverage-against-statement baseline✓✓✓
Introduced at Production
Reporting by inspection type—✓✓
Resolution workflow in your systems—✓✓
Approved write-back—✓✓
Schedule-and-model integration—✓✓
Introduced at Advanced
Complex phase maps——✓
Multi-stage design-team approvals——✓
High report volume——✓
Multi-jurisdiction report controls——✓
Build priceFrom $5,000From $8,000Custom quote
Final build price
Confirmed after discovery based on integrations, workflow complexity, transaction volume, approval controls and deployment requirements.
Separate from build
Build pricing is separate from recurring Agent Care, which covers managed monitoring, evaluations, incidents and verified improvements after launch.

What we need from you

What you bring, and what we build with it

Each input maps to a piece of build scope and a week in the delivery timeline.

  1. 01Your statement of special inspections and phase map

    Statement ingestion and ledger-item mapping

    Week 1

  2. 02Representative agency and laboratory reports

    Coverage baseline, item extraction and statement binding

    Week 2

  3. 03Your jurisdiction and its closing contents list

    Jurisdiction-rule mapping and automation-boundary definition

    Week 1

  4. 04Access to relevant APIs, feeds or exports

    Agency, laboratory and project-system assessment, then setup

    Week 2

  5. 05Reports you would not want re-read

    Escalation cases and failure-mode testing

    Week 4

  6. 06What no final report may carry open

    Confidence scoring, escalation routing, guardrails and approval controls

    Week 3

  7. 07Named design professionals to resolve items

    Engineer resolution workflow, then pilot and production validation

    Weeks 5–6

Nothing else is required

Deployment, documentation and Agent Care handover are ours.

Delivery timeline

Four phases across six weeks

Elapsed weeks fix each of the widths drawn on this chart, which is why the fifth carries a pair.

Phase

W1

W2

W3

W4

W5

W6

  1. DiscoveryW1
  2. BuildW2 – W3
  3. EvaluateW4 – W5
  4. Pilot & LaunchW5 – W6

Week focus

W1Inspection workflow discovery, rule mapping and the automation boundary

W2Source integration and the coverage baseline

W3Ledger workflow, escalation logic and resolution controls

W4Evaluation suite, escalation checks and failure-mode testing

W5Project-system integration, pilot items and targeted corrections

W6One inspection programme run under the design professional, then Agent Care handover

Reading the band
A bar covers the weeks its work is named in, and nothing else. The week 5 overlap is real, not padding.
At the end of W6
Once the final report validates, Agent Care assumes the agent.
Duration
Six-week plan shown · typical delivery 4–6 weeks depending on scope confirmed in discovery.

Next step · Construction AI agent

Build a special-inspection record agent around the jurisdiction you build in.

Show us your statement of special inspections, your agency reports and the jurisdiction that reads the closing bundle. We looked for a published measure of how often these records fail at closeout and found none, so we will not quote you one.

Typical delivery
4–6 weeks
Deployment
Your inspection record
Engineer seals
Pre-seal
After launch
Agent Care available

Nestack Agents · Special-inspection record

AGT-CN-13 · Agent Care available after launch

Build a special-inspection agent

Four questions so the call starts from your actual setup — then pick a time that suits you.

About you
Your projects

No obligation. We’ll map the workflow, name the automation boundary and tell you if an agent is the wrong answer.