The Preconstruction & Construction-AI Glossary
Plain-English definitions of the estimating, bidding, scheduling, design-coordination, and AI terms preconstruction teams actually use — with real examples and an honest read on where AI helps.
AI Concepts & Fundamentals
10 published · 56 termsArtificial Intelligence (AI)Software that performs tasks normally requiring human intelligence.Machine LearningSoftware that learns patterns from data instead of following hand-written rules.Deep LearningMachine learning with many-layered neural networks that read raw images and text.Large Language Model (LLM)An AI trained on massive text that predicts and generates language.RAG (Retrieval-Augmented Generation)Grounding an LLM in real documents by retrieving relevant passages before it answers.AI AgentAn AI that plans, uses tools, and takes multi-step actions toward a goal.Agentic AIAI systems that autonomously plan, decide, and act toward goals.Embedding (AI)Turning text or data into a vector of numbers that captures its meaning.Vector DatabaseA database that stores embeddings and finds the most similar ones fast.Context WindowThe amount of text an AI model can consider at once, measured in tokens.
Preconstruction — Estimating & Cost
10 published · 45 termsPreconstructionEverything a contractor does to plan, price, and de-risk a project before ground breaks.Cost Estimating (Construction)Predicting what a project will cost to build, at a precision that matches the design.Conceptual EstimateA rough, benchmark-driven price for a project that isn't fully designed yet.GMP (Guaranteed Maximum Price)A contract ceiling on what the owner will pay — the contractor absorbs overruns above it.Lump Sum ContractOne fixed price for a defined scope — the contractor owns the cost risk.Unit Price ContractPricing work by the measured unit when the total quantity isn't known yet.Cost-Plus ContractThe owner reimburses actual costs and pays the contractor a defined fee on top.Quantity TakeoffMeasuring exactly how much of everything a project requires, straight from the drawings.Material TakeoffThe itemized list of every material a project needs, and how much of each.Unit CostThe all-in cost to furnish and install one unit of a given kind of work.
Preconstruction — Bidding & Procurement
10 published · 36 termsBidding Process (Construction)How work gets priced and awarded, from soliciting bids to signing a contract.Bid LevelingNormalizing subcontractor bids to the same scope so you compare equal numbers.Bid AnalysisEvaluating bids on scope, price, and risk to find the best value, not just the lowest.Bid PackageThe bundle of drawings, specs, and scope a GC sends a trade so subs can bid.Scope of Work (SOW)The written definition of exactly what a contractor or trade is responsible for.Bid Invitation (ITB)The formal request asking contractors to submit priced bids on a defined scope.Bid BondA surety guarantee that a winning bidder will honor its bid and sign the contract.Bid ShoppingDisclosing a sub's bid to pressure competitors lower after bids are submitted.Subcontractor PrequalificationVetting a subcontractor's capacity, finances, and safety before they're allowed to bid.Bid TabulationA side-by-side table of all bids received, organized so they can be compared.
Preconstruction — Scheduling & Phasing
10 published · 30 termsPreconstruction ScheduleThe timeline for all the design, bidding, and procurement work that has to finish before construction can start.Master ScheduleThe top-level, whole-project timeline of major phases and milestones from design to closeout.CPM ScheduleA logic-linked schedule that calculates which chain of activities controls the finish date.Critical PathThe chain of dependent activities whose total length determines the project finish date.Float (Schedule)The slack an activity has before its delay starts to push other work or the finish date.Baseline ScheduleThe approved, frozen version of the schedule that progress is measured against for the life of the job.Look-Ahead ScheduleA short-window, detailed plan of the next few weeks of field work, pulled from the master schedule.Milestone ScheduleA schedule of a project's key dates and events, without the underlying task detail.Schedule CompressionShortening a project's duration without reducing scope, by crashing or fast-tracking the work.Fast-Tracking (Construction)Overlapping design and construction so building starts before the design is fully complete.
Preconstruction — Risk & Contracts
10 published · 30 termsPreconstruction Risk ManagementFinding and assigning a project's risks before ground breaks, while they're still cheap to manage.Risk RegisterThe living log of every identified project risk, its owner, its score, and its response.Risk Allocation (Construction)Deciding, in the contract, which party carries each of a project's risks.Liquidated DamagesA pre-agreed dollar amount per day of late completion, set in the contract.Force MajeureA clause excusing a party from delay caused by events beyond its reasonable control.Indemnification ClauseA contract provision making one party cover certain legal liabilities of another.Builder's Risk PolicyProperty insurance covering a project while it's under construction against physical loss.OCIP / CCIP (Wrap Policy)One insurance program covering the owner, general contractor, and subs on a single project.GMP ContractA contract that reimburses cost plus a fee but caps the total at a guaranteed maximum.AIA ContractThe industry's standard family of construction agreements and general conditions.
Preconstruction — Design Coordination
10 published · 36 termsDesign CoordinationMaking every design discipline's work fit in the same physical space before it's built.Design ReviewA structured check of drawings and specs to catch problems before they reach the field.Coordination DrawingsComposite drawings that prove every trade physically fits before anything is installed.BIM CoordinationCombining discipline models and resolving conflicts in 3D before they hit the field.Clash Detection ReportThe ranked list of geometric conflicts a model check finds, ready for the team to resolve.BIM Execution Plan (BEP)The plan that defines how BIM will actually be delivered on a project.Federated ModelSeparate discipline models linked into one coordinated whole, each author still in control.Design MilestoneThe defined gates where a design set is issued, priced, and checked before it advances.Issued for Construction (IFC)The drawing status that says: this set is final and approved to build from.Design FreezeThe point where the design is locked so downstream work can proceed on stable ground.
Preconstruction — Feasibility & Programming
10 published · 22 termsProject FeasibilityWhether a proposed project can actually be built, approved, financed, and still pay off.Feasibility StudyThe formal report that decides whether a proposed project is worth pursuing.Programming (Architecture)Defining what a building must do and contain before anyone starts designing it.Space ProgramThe itemized list of every space a building needs, with sizes and relationships.Site SelectionEvaluating and choosing the right location to build, before committing to a site.Site AnalysisStudying a site's conditions and context to shape how a building responds to it.Zoning AnalysisDetermining what a site's zoning actually allows you to build on it.Entitlements (Development)The government approvals that give land the legal right to be developed as planned.Pro Forma (Real Estate)The financial model that projects a development's costs, income, and returns.Owner's Project Requirements (OPR)The document defining an owner's goals and performance criteria for a building.
Software, Tools & Platforms
10 published · 47 termsProcoreA cloud platform that centralizes drawings, documents, and workflows across a construction project.Autodesk Construction Cloud (ACC)Autodesk's connected platform linking design, preconstruction, and construction on a shared data core.Autodesk RevitBIM authoring software for designing buildings as intelligent, data-rich 3D models.Autodesk Navisworks3D review software that federates discipline models to find clashes before they hit the field.Autodesk BuildThe field and project management product inside Autodesk Construction Cloud.Bluebeam RevuPDF markup, measurement, and collaboration software built specifically for construction drawings.Primavera P6Oracle's enterprise scheduling tool for planning and controlling large, complex project schedules.Microsoft ProjectMicrosoft's general-purpose scheduling and project management tool built around Gantt charts.BIM 360Autodesk's earlier cloud construction platform, now being retired in favor of ACC.PlanGridA field-first app for viewing and marking up construction drawings on mobile devices.
80 of 791 terms published so far — more added regularly.