A
- Actual cost (AC)
- What the work performed so far has cost, from the job cost ledger. Read the guide →
- AI takeoff
- Software that detects, counts and measures quantities from construction drawings using computer vision, for an estimator to review. Read the guide →
- AIA G702
- The Application and Certificate for Payment: a nine-line summary of a progress billing, ending in the current payment due. Read the guide →
- AIA G703
- The continuation sheet to the G702, listing each schedule-of-values line with work completed to date. Read the guide →
- Allowance
- A budget amount in a contract for an item the buyer has not chosen yet; a selection over it is billed as a change order. Read the guide →
- Annual construction volume (ACV) pricing
- Software priced on the construction volume a company runs rather than per user. Read the guide →
B
- Backlog
- Contracted work not yet performed — contract value less revenue earned. Read the guide →
- Bid leveling
- Adjusting subcontractor bids to the same scope so they can be compared fairly. Read the guide →
- Budget at completion (BAC)
- The total budgeted cost of the job. Read the guide →
- Buyout
- Awarding the subcontracts and purchase orders an estimate assumed; buyout variance compares each awarded scope's budget with its committed value. Read the guide →
C
- Change order (CO)
- A signed amendment to the contract sum or time. Read the guide →
- Change order request (COR)
- A priced request sent to the owner for a change in scope. Read the guide →
- Committed cost
- The total of signed subcontracts, issued purchase orders and approved change orders on them — money agreed, whether or not it has been invoiced yet. Read the guide →
- Common data environment (CDE)
- One shared, controlled place for a project's documents and data, used by every party. Read the guide →
- Computer vision
- AI that interprets images, drawings and video — used for takeoff, progress tracking and safety monitoring. Read the guide →
- Conditional lien waiver
- A lien waiver that takes effect only once the stated payment is received. Read the guide →
- Construction change directive (CCD)
- An owner's direction to proceed with changed work before the price is agreed. Read the guide →
- Construction draw
- A release of construction-loan funds tied to a stage of completion, usually after the lender's inspection. Read the guide →
- Construction ERP
- Enterprise software that runs a contractor's accounting, job cost, payroll and operations in one system. Read the guide →
- Construction intelligence
- Software that reads a contractor's accounting, project, payroll and schedule data together and turns it into answers — which jobs are making money, which are going over, and why. How it works →
- Cost code
- The category a cost is recorded against, usually based on CSI MasterFormat divisions. Read the guide →
- Cost code crosswalk
- A table mapping every old cost code to its new code and cost type during a system migration, with the rule for any code that splits or merges. Read the guide →
- Cost performance index (CPI)
- Earned value divided by actual cost; below 1.0 means over budget. Read the guide →
- Cost type
- The kind of cost on a line: labor, material, subcontract, equipment or other. Read the guide →
- Critical path
- The longest chain of dependent activities in a schedule; it sets the finish date and has zero total float. Read the guide →
- Critical path method (CPM)
- Scheduling by linked activities, where the longest chain of dependent work sets the finish date. Read the guide →
- CSI MasterFormat
- The Construction Specifications Institute's 50-division standard for organising construction work. Read the guide →
D
- DART rate
- Days away, restricted or transferred cases × 200,000 ÷ hours worked. Read the guide →
- Days sales outstanding (DSO)
- Accounts receivable divided by revenue, times days in the period — how long owners take to pay. Read the guide →
- DCMA 14-point assessment
- A standard set of schedule quality checks — logic, constraints, float, durations — with thresholds. Read the guide →
E
- Earned hours
- The hours the estimate allowed for the work actually installed. Read the guide →
- Earned revenue
- Contract value multiplied by percent complete. Read the guide →
- Earned value (EV)
- The budgeted cost of the work actually done — budget times percent complete. Read the guide →
- Estimate at completion (EAC)
- The forecast of a job's total cost when finished: cost to date plus estimate to complete. Read the guide →
- Estimate to complete (ETC)
- The forecast cost of the work that remains. Read the guide →
- Experience modification rate (EMR)
- A workers' compensation multiplier comparing actual losses with expected losses; 1.0 is average. Read the guide →
F
- Fade
- The drop in a job's forecast gross margin since award. Read the guide →
- Free float
- How long an activity can slip without delaying the early start of any activity that follows it. Read the guide →
- Front-loading
- Putting more of the contract sum on early schedule of values lines so billing runs ahead of the work; shows as over-billing. Read the guide →
G
- Generative scheduling
- Software that builds and compares many possible construction sequences from scope, crews and constraints. Read the guide →
H
- Hallucination
- A confident but false answer from a language model — the reason AI answers must cite their source. Read the guide →
L
- Large language model (LLM)
- AI that reads and writes text, behind assistants such as ChatGPT and Claude and most document-review tools. Read the guide →
- Lien waiver
- A signed release of mechanic's lien rights, usually given in exchange for a payment; conditional or unconditional, progress or final. Read the guide →
- Look-ahead schedule
- A short-interval plan, usually three weeks, of crew-level tasks and their open constraints, updated weekly from the master schedule. Read the guide →
O
- OCO (owner change order)
- A change the owner has approved, which changes the budget and the owner contract. In Autodesk Build, one or more CORs form an OCO. Read the guide →
- Origin ID
- In Procore, the ID of the matching record in the external ERP. Its presence marks a record as synced between the two systems. Read the guide →
- Over-billing
- Billings ahead of earned revenue — cash received for work not yet in place. Read the guide →
P
- P50 / P80 finish
- The dates by which a project has a 50% and 80% chance of finishing, from a schedule risk forecast. Read the guide →
- Parallel run
- Posting the first month after a system cutover in both the old and new systems and comparing them, to catch mapping errors that only appear in new transactions. Read the guide →
- PCO (potential change order)
- A possible change to a job's budget or cost, priced with cost items before anyone has approved it; the starting point of Autodesk Build's change order chain. Read the guide →
- Percent plan complete (PPC)
- Tasks completed as planned in a week divided by tasks committed for that week. Read the guide →
- Percentage of completion
- Revenue recognition in proportion to progress, usually cost to date divided by forecast total cost. Read the guide →
- Planned value (PV)
- The budgeted cost of the work scheduled to be done by now. Read the guide →
- Plug number
- An estimator's value for a scope item a bidder excluded, added to that bid during leveling. Read the guide →
- Productivity factor
- Actual hours divided by earned hours; above 1.0 means crews used more hours than planned. Read the guide →
- Progress invoice
- An invoice for the share of the contract completed through a date, less retainage and previous invoices. Read the guide →
Q
- Quantity takeoff
- Measuring quantities — counts, lengths, areas, volumes — from drawings for an estimate. Read the guide →
R
- Reality capture
- Recording site conditions with 360° cameras, lidar or drones so they can be compared with plans and models. Read the guide →
- Reporting database
- A copy of the ERP's tables in SQL Server or Azure SQL, refreshed on a schedule and read through read-only logins, so reports never run against the live accounting system. Read the guide →
- Retainage
- The share of each progress payment held back until completion, commonly 5% to 10%. Read the guide →
S
- Schedule of values (SOV)
- The breakdown of the contract sum into billable lines, used for progress billing. Read the guide →
- Schedule performance index (SPI)
- Earned value divided by planned value; below 1.0 means behind schedule. Read the guide →
- Stored materials
- Material delivered to site or a bonded warehouse but not yet installed; billable on a pay application where the contract allows. Read the guide →
- Substantial completion
- The point at which the work is complete enough for its intended use; often triggers retainage release. Read the guide →
- System of record
- The one system allowed to create and edit a given piece of data; every other system receives read-only copies. Read the guide →
T
- Tie-out
- Comparing one total in two systems — a trial balance, a job's cost to date, an aging — and explaining every difference. The proof a migration or a reporting copy lost nothing. Read the guide →
- Time and materials (T&M)
- Billing for actual labor hours at agreed rates plus materials with an agreed markup, backed by signed field tickets. Read the guide →
- To-complete performance index (TCPI)
- The cost efficiency the remaining work needs to finish on budget. Read the guide →
- Total float
- How long an activity can slip without delaying the project finish: late start minus early start. Read the guide →
- TRIR
- Total recordable incident rate: recordable cases × 200,000 ÷ hours worked. Read the guide →
U
- Unconditional lien waiver
- A lien waiver that takes effect when signed, whether or not payment arrives — signed only after funds clear. Read the guide →
- Under-billing
- Earned revenue not yet billed — the contractor is financing the work. Read the guide →
- Unsigned work in place
- Cost booked against a change order that has not been approved. Read the guide →
V
- Variance at completion (VAC)
- The difference between the forecast at completion and the budget. Read the guide →
W
- Work in progress (WIP) schedule
- The report of every open job's contract, forecast, earned revenue and billing position. Read the guide →
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