Insights · Engineering
How we build AI that answers with evidence
Drawing intelligence · cross-verification · Rule-as-Code · customer cases — written by the doAZ engineering team.
Between Drawings and ExcelJul 25, 2026
In heavy industry, AI is won on controlled change, not automatic generation
Design principles for Controlled Change — how to safely automate drawing edits, calculation revisions and the approval process.
Read →- Jul 25, 2026Between Drawings and ExcelHow the Digital Thread is built in plant engineeringHow tags, specifications, calculations, procurement and fabrication data are linked into a single relational network.
- Jul 25, 2026Between Drawings and ExcelWhen the P&ID and the equipment list tell different truthsThe greatest risk in a heavy industry project is not the absence of data. It is data that does not agree with itself.
- Jul 25, 2026Between Drawings and ExcelHow far does a single design change actually ripple?Engineering Change Intelligence: tracing a drawing change through quantities, cost, schedule and approval.
- Jul 25, 2026Between Drawings and ExcelCan geotechnics, structure, steelwork and finishes be connected by a single data philosophy?The disciplines differ, but the principles are the same: how objects, calculations, standards and changes are managed.
- Jul 25, 2026Between Drawings and ExcelBIM alone does not solve the construction data problemWhy drawings, analysis models, Excel calculation sheets and field data each tell a different version of the truth.
- Jul 25, 2026Between Drawings and ExcelAI does not design the ship for youA verifiable Ship Engineering Copilot that links each calculation back to its evidence and traces how a design change propagates.
- Jul 25, 2026Between Drawings and ExcelEnter ship data once, and let it flow into every calculation sheetA practical structure for connecting a central ship data model to the calculation sheets teams already run in Excel.
- Jul 25, 2026Between Drawings and ExcelWhy shipyards still run on ExcelExcel is not an outdated tool. It is the container that holds decades of accumulated ship design knowledge.
- Jul 25, 2026Between Drawings and ExcelExcel is not the problemThe problem is disconnected engineering data. How to bring drawings, models, calculation sheets, standards and change history into a single verifiable flow.
- Jul 24, 2026EngineeringAutomation cannot rescue a broken workflowAEC project risk begins not with catastrophic failure but with small transfer errors at handoffs. Automation is about consistency, not speed: split work into automatic execution, AI assistance and human decision, make exceptions visible, and measure prevented risk rather than hours saved.
- Jul 24, 2026EngineeringAI that fails offline is not construction softwareSites run on unstable connectivity and harsh conditions, so an AEC frontend must be a project control instrument for versions, approvals, sync and conflict — not just a screen. Offline data is a working copy, not official truth, and conflicts are handled by type and escalated, not merged.
- Jul 24, 2026EngineeringYour AEC data is already ready enough to startInstead of waiting for a perfect ontology or knowledge graph, ask whether today's data is already enough for the question you want to improve. Formalization should scale with the cost of a wrong decision, not data complexity: promote only recurring errors into rules and graphs.
- Jul 24, 2026ProductPaperwork stops safety work.On US construction sites, safety documents are not compliance overhead — they are the gate that lets work start. doAZ opens the founding batch of a safety document engine that pins every control measure to an OSHA 29 CFR 1926 clause, sentence by sentence.
- Jul 11, 2026ResearchWhy we chose a deterministic geometry engine over an LLM — Zero Silent ErrorA pipeline that extracts symbols, connectivity and time constants from nuclear control logic diagrams (CLD) without loss — the design principles behind a domain where silent failure is never acceptable.
- Jul 11, 2026EngineeringCatching sentences with no source — a sentence-level citation verification pipelineA structure that checks every sentence of an AI answer against the source documents and flags the ones with no citation — how doAZ filters out unsupported statements at the design stage.
- Jul 11, 2026ResearchChecking all 118 window marks — mark-existence based consistency reviewA verification console that cross-checks all 118 window marks on the floor plans against the window schedule, catching 2 missing from the plans and 3 absent from the schedule — how sampling became full coverage.
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