The Civil Construction Tendering Glossary

Australian civil tendering runs on a vocabulary that nobody teaches. It is absorbed on the job, which means most contractors know what a term means in the context they first met it and are less certain what it means in a different contract, a different state, or a different stage of the work.

Some of those uncertainties are expensive. The difference between a provisional sum and a provisional quantity decides where your margin sits. The difference between a qualifying cause and a compensable cause decides whether a delay pays. The difference between remeasurement and a variation decides whether you need to give notice at all.

How to use this glossary

Definitions here describe general Australian civil construction usage. Your contract governs. Standard forms are routinely amended by special conditions, and a defined term in your contract displaces the ordinary meaning entirely — so where a term matters to a claim, read the definition in your executed contract rather than relying on this page.

Where a term has a guide behind it, the entry links to it.

A

Absolute accuracy	How closely a survey or model sits on the real-world coordinate system, as opposed to how consistent it is within itself. Only absolute accuracy allows comparison against a design surface or another party’s data. More
Acceleration	Speeding up work to recover or avoid delay. Directed acceleration is instructed by the principal and generally compensable; constructive acceleration is where you accelerate because an extension you were entitled to was refused. More
Acid sulfate soils	Soils and sediments that generate sulfuric acid when disturbed and exposed to air, common in coastal, estuarine and floodplain ground. Where they are present the specification carries a management plan, neutralisation and validation testing — none of it incidental to the rate. More
Acquittal	The process by which a grant recipient demonstrates to the funding body that the money was spent on what it was granted for, by a fixed date. On grant-funded council work the acquittal date is why the completion date is not negotiable and why variations meet unusual resistance. More
Addendum	A formal change or clarification issued to all tenderers during the tender period. Addenda form part of the tender documents and must be acknowledged.
Adjudication	The statutory dispute process under security of payment legislation, producing a rapid, enforceable determination of a payment claim. More
Adverse action	Action taken against a worker because they exercised a workplace right, such as raising a pay or safety concern or engaging with a union. A general protections matter in which the burden may operate against the employer — see right of entry and unions on civil sites.
AIP / CAIP plan	Australian Industry Participation plan. Required on Commonwealth procurements at or above $20 million (GST inclusive), directed at giving Australian businesses full, fair and reasonable opportunity to bid. More
Airside / landside	The divide at an airport or port. Airside is past the security barrier where aircraft or vessels operate: access is controlled, plant movement is authorised or escorted, and works run to the operator’s safety procedures. Landside is ordinary civil work with ordinary access. The same scope costs materially more on the airside of the line. More
Annexure	The schedule to a standard-form contract carrying the project-specific particulars — dates, rates, periods, insurance limits, and the lists that define qualifying and compensable causes. Frequently where the real risk allocation lives.
Anti-flotation	The design measures that stop an empty below-ground structure being lifted by groundwater — usually structure mass, a projecting base slab and the weight of backfill over it, which makes the backfill part of the structure. More
Appointed party	Under ISO 19650, the party appointed to deliver information — for a construct-only civil contractor, that is you. The term matters because it fixes your obligation as delivering specified information into someone else’s system, rather than producing or coordinating the model. More
Approach to market	Any process by which a buyer invites offers — an RFT, RFQ, EOI or RFP. More
Apron	A slab at the inlet or outlet of a culvert that protects the bed from the concentrated flow leaving the structure. More
AS 2124	Australian Standard general conditions of contract (1992), still widely used by councils and agencies, usually amended. Variations at clause 40, latent conditions at clause 12, extensions of time at clause 35.5. More
AS 4000	Australian Standard general conditions of contract (1997), construct-only. Variations at clause 36, latent conditions at clause 25, extensions of time at clause 34. More
AS 4902	Australian Standard general conditions for design and construct contracts. More
As-constructed data	The record of what was actually built, captured progressively and delivered in a specified format and schema. Distinct from WAE drawings, which are a drawing set at handover: as-constructed data is a survey and attribute obligation running through the job, and is the requirement most often underestimated in a digital engineering scope. More
ASIC / MSIC	Aviation Security Identification Card and Maritime Security Identification Card — the background-checked identity cards required to work unescorted in the secure areas of a security-controlled airport or regulated port. Not the corporate regulator of the same initials. Cards take time to issue, and that lead time belongs in your program. More
Asphalt category	In Queensland, a distinct prequalification stream alongside road and bridge. More
Asset management plan	A council or authority document setting out what infrastructure it owns, its condition, the renewal forecast and the funding gap. Published, and the closest thing to a forward order book in council work — see asset management plans and whole-of-life cost.
Austroads NPS	The National Prequalification System for Civil (Road and Bridge) Construction, administered by the state and territory road agencies, using R and B categories and financial levels. More
Availability (plant)	The proportion of time a machine is capable of working when wanted, reduced by breakdowns, servicing and waiting for parts. Distinct from utilisation, and the number that determines whether your hourly rate is real — see plant maintenance and availability.

B

B category	Bridgeworks prequalification category under the national system, B1 to B4 in ascending complexity, held independently of any R category. More
Back-propping	Props reinstalled under a structural element after formwork is stripped, carrying a calculated load through a designed sequence until the concrete reaches full strength. Removing them early transfers load to a section that cannot take it. More
Back-to-back	A subcontract drafted to pass the head contract’s obligations down. The terms that most often bite are compressed notice periods and uncapped liquidated damages. More
Bank guarantee	An unconditional undertaking from a bank, given as contract security instead of cash retention. Its return is generally a contractual question rather than a payment claim. More
Basis of estimate	The written record of the assumptions a tender price rests on — production rates, crew sizes, plant, working hours, weather allowance and material sources. The document the delivery team needs most and most often never sees. More
Bedding (culvert or pipe)	The prepared material a pipe or culvert is founded on. It is part of the structural design, not a levelling course, and the load the unit can carry depends on it. More
Before You Dig Australia (BYDA)	The national referral service that requests underground asset plans from participating owners. It is a referral mechanism, not a location service: plan accuracy is the issuing owner’s, and private, abandoned and unrecorded assets are not covered. More
Bid security / tender bond	Security lodged with a tender, forfeitable if the tenderer withdraws or fails to execute the contract. Uncommon on small civil work.
Bill of quantities (BOQ)	A measured schedule of every element of work, in standardised units, so all tenderers price the same scope. More
Borrow pit	A pit worked to win material for use on a specific project, usually under that project’s approvals. The lowest-commitment alternative to becoming an extractive operator — see owning a pit.
Bulking	The volume increase when in-situ material is excavated. Whether the measurement rules allow for it decides whether the bulking factor is your cost. More
Bund	An impermeable containment around a storage tank, sized to hold a proportion of the contents. Self-bunded tanks build it in; a site-built bund full of rainwater has no capacity left — see bulk fuel storage and dangerous goods.
Buoyancy (uplift)	The tendency of an empty below-ground structure to float in a high water table. Designed against, but the resistance often depends on construction-stage conditions, so dewatering may have to continue until backfill or slab work is complete — see treatment plant civil works.

C

Capability statement	A short document setting out what your business does, its people, plant, projects and credentials. The most reused document a civil SME owns. More
Carbonation	The process by which atmospheric carbon dioxide progressively neutralises the protection concrete gives embedded reinforcement, advancing from the surface inward. One of the two main drivers of reinforcement corrosion. More
Cathodic protection	An installed and monitored electrochemical system, galvanic or impressed current, used to arrest corrosion of reinforcement in chloride-contaminated concrete. More
CEMP	Construction Environmental Management Plan — the scored environmental returnable. More
Chain of responsibility (CoR)	The principle in Australian heavy vehicle law that every party influencing a transport task — loader, scheduler, consignor, consignee, prime contractor — holds a safety duty, not just the driver. It attaches to what you do rather than to whether you own trucks, and extends personally to executives. More
Channel shutdown	The period between irrigation seasons when a channel is dry and work on it is possible. Announced by the water operator, fixed by the re-watering date, and the constraint that sets the entire programme on rural water civil works.
Chloride attack	Reinforcement corrosion driven by chloride ingress from seawater, salt spray or contaminated materials. Produces aggressive local pitting that can be severe while the surface still looks sound. More
Claims history	The record of claims made against your policies. Insurers weight it heavily at renewal: it is the largest single driver of what you pay next year and, past a point, of whether particular cover remains available at all. More
Cold joint	An unplanned joint formed when one layer of concrete sets before the next is placed against it. A defect, and the reason sustained supply rate matters on a large pour. More
Common data environment (CDE)	The single agreed platform through which project information is issued, shared, reviewed and approved. On a digital engineering job the CDE is where the obligation is actually discharged — submitting through it, in the required naming and status conventions, is the deliverable. More
Compensable cause	A delay event that entitles you to delay costs as well as time — principally acts, defaults or omissions of the superintendent, principal or their consultants and other contractors. Contrast qualifying cause. More
Concrete cover	The specified distance between reinforcing steel and the concrete surface. It is the durability design, varies with exposure classification, and is verified at the pre-pour inspection and afterwards with a cover meter. More
Concurrent delay	Where two delays overlap, one the principal’s responsibility and one yours. Typically preserves your extension of time and removes your entitlement to delay costs. More
Condition precedent	A requirement that must be satisfied before an entitlement arises. Where notice is a condition precedent, late notice can extinguish an otherwise valid claim entirely.
Conduit proving	Rodding or mandrelling an installed electrical conduit before it is covered, to confirm it is clear and can be pulled. A blocked conduit found after the pavement is on is an excavation. More
Conforming tender	A tender that meets all mandatory requirements. A non-conforming tender may be excluded before evaluation begins.
Constructive variation	A change to the work that nobody labelled as a variation — a revised drawing, an RFI response, an access restriction. More
Contingency	Money carried in a bid against risks that may not occur. A single percentage added at the end is invisible to the client, attached to nothing, and never released. Allowances tied to named risks can be tracked and released when the risk expires. More
Contingent payment mechanism	Payment conditional on performance against a commitment. In Victoria, required in project contracts from 1 July 2026 unless not practicable or appropriate. More
Contract sum	The price stated in the contract, before variations, remeasurement and adjustments.
Contractor licence	A statutory authorisation from a state or territory regulator to carry out certain building or construction work. Distinct from prequalification: a licence is legal permission to do the work, prequalification is a buyer’s assessment that you may bid for it. Holding either says nothing about whether you need the other. More
Controlled activity approval	A water-law approval required in some jurisdictions for works in, on or near a watercourse or on waterfront land. One of several environmental authorisations a civil job may need beyond its planning consent, and distinct from the management plan the tender asks for. More
Cost to complete	A judgement of what the remaining work will cost, made by the people doing it and based on achieved production rather than budget minus spend. Added to cost incurred it gives the forecast final cost, and it is the only forward-looking number in a cost report. More
Cost-plus	Reimbursement of actual cost plus a fee. Quantity, rate and productivity risk all sit with the principal. More
CPR	Commonwealth Procurement Rules — the framework governing Australian Government procurement. More
Critical path	The sequence of activities determining the completion date. Only delay to the critical path delays the project — and only critical delay supports a time claim. More
CUA	Common Use Arrangement — a whole-of-government standing offer, used particularly in Western Australia. More
Cultural heritage duty of care	A general statutory obligation not to harm Aboriginal cultural heritage. It applies whether or not a site appears on any register and whether or not the principal holds an approval, it sits on the contractor personally, and a contract can allocate the cost but not the duty. More
Cultural heritage management plan (CHMP)	An approved plan setting out how works proceed where Aboriginal cultural heritage may be affected — monitoring, exclusion zones, inductions and the procedure for unexpected finds. Where one exists it binds the contractor doing the work. More
Cutback bitumen	Bitumen blended with a cutter oil to reduce viscosity for spraying and to hold aggregate in cooler conditions. The cutter evaporates over time and the quantity used is a seal design decision. More

D

Date for practical completion	The contractual date by which practical completion must be achieved. Extensions move it; liquidated damages run from it. More
Datum	The reference frame positions are measured in — a national horizontal datum, a national vertical datum for heights, and often a local site grid related to them by a transformation. Working on the wrong one shifts everything consistently, and nothing looks wrong on the screen. More
Dayworks	Hourly labour and plant rates used to value work with no applicable measured rate. Price them properly — they become the default for unscheduled instructions. More
Deed of company arrangement	A binding compromise agreed by creditors of a company in voluntary administration, typically paying a proportion of debts. One of the outcomes examined in our guide to insolvency up the contractual chain.
Deemed assessment	Where a superintendent fails to assess a claim within the contractual period and the claim is treated as approved. Under unamended AS 4000 this applies to extensions of time at clause 34.5. More
Deemed worker	A person who is not an employee at common law but is treated as a worker under workers compensation legislation — commonly an individual contractor supplying labour who works substantially for one business. Affects both your declared wages and who can claim on your policy. More
Defects liability period (DLP)	The period after practical completion — commonly 12 months — during which you must, and may, return to rectify defects. A minimum exposure, not a cap on liability. More
Delamination survey	Hammer tapping or acoustic testing to find concrete that has debonded but not yet fallen off. Routinely finds several times the visible defective area, which is why repair quantities blow out. More
Delay damages / delay costs	Time-related costs recoverable for a compensable cause subject to an approved extension of time. More
Delegation	The authority a person holds to give directions or approve expenditure, usually limited by value. A direction from someone without delegation may not bind the principal. More
Delivered rate	The price of a material at the point of placement: the ex-pit or ex-plant price plus freight. On quarry products freight is frequently the larger component, so changing the source moves the rate more than negotiating the material does. More
Delivery docket	The record issued with each load of ready mixed concrete showing mix, batch time, quantity and any water added on site. The primary evidence in any later dispute about a low test result. More
Digital engineering	The delivery of structured, specified project information alongside the physical work. In civil tenders it usually asks far less of a construct-only contractor than the vocabulary suggests — the obligation is to supply defined data in a defined format, not to produce or coordinate models. More
Disruption	Loss of productivity caused by the principal’s actions, which may not delay completion at all. Requires daily production records to prove. More
Document register	A record of every document received, its revision, the date issued, the date received, its source and who it was distributed to. Both a control tool and the evidence behind a variation or delay claim — see document control on a bid and a job.
Drawdown	The lowering of the water table produced by dewatering, extending outward from the excavation. In compressible ground it causes consolidation settlement that can damage neighbouring structures and services — see dewatering, water take and discharge.

E

Early contractor involvement (ECI)	A two-stage arrangement in which a contractor is selected on capability before there is a price, works with the client and designers through Stage 1, and constructs under Stage 2 only if terms are agreed. Stage 2 is not guaranteed — see ECI, alliances and collaborative contracting.
Earn-out	A sale structure where part of the price is paid later and depends on the business meeting agreed results. Common where a buyer doubts the work or the relationships will survive the founder leaving. More
Easement	A registered right over another party’s land for a stated purpose, defined in width and location on a plan. It permits the stated purpose only, which is why it rarely covers compounds, stockpiles or haul routes — see easements, land access and notices of entry.
Embodied carbon	Emissions from producing and transporting the materials in an asset, as distinct from the energy the finished asset uses. On a civil project it is dominated by concrete and steel, which means most of your footprint is in what you buy rather than what you burn. More
Emergency response plan	The plan a workplace must prepare, maintain and implement covering emergency procedures, notifying emergency services, medical assistance, communication and testing. On a civil site it must answer rescue, access and location questions a building plan never faces — see emergency preparedness and site rescue.
Enterprise agreement	An agreement between an employer and its employees, approved by the Fair Work Commission, that displaces the relevant modern award while remaining subject to the National Employment Standards. It generally raises the cost base, and holding one can be a condition of access to some sites. More
Entrapment (EWP)	Crushing of an elevating work platform operator between the platform controls and an overhead structure. The characteristic fatal incident on boom-type machines — see working at height in civil construction.
Entry permit	Authorisation to enter Aboriginal land, issued by the relevant land council or land trust administrator under the statute governing that land. Issued for named people and periods, covers your subcontractors and suppliers, and carries lead time that belongs in the programme. More
EOI	Expression of Interest — a first-stage approach to market used to shortlist before a full tender. More
EOT	Extension of time. Moves the date for practical completion and relieves liquidated damages; does not by itself pay delay costs. More
Essential Eight	The Australian government’s baseline set of cyber security mitigation strategies, with maturity levels describing how completely each is implemented. The framework Australian tenders reference most often; most ask about alignment rather than certified maturity. More
Establishment / disestablishment	Mobilising to and demobilising from site. Usually a lump sum item because it is not proportional to measured quantities. More
Evaluation criteria	The weighted factors against which tenders are scored. More
Exclusion zone (plant)	An area around operating plant that people must not enter, sized from the machine’s slew, reach and travel rather than by habit, and moved as the machine moves. The practical form of isolating people from plant — see plant and pedestrian separation.
Exposure classification	The durability category assigned to a concrete element based on its environment. Drives minimum strength, binder content and cover, and frequently sets a higher grade than the structural design needs. More
Extractive operation	A regulated quarry or pit operation, requiring resource, planning and environmental approvals, royalty payment, a rehabilitation bond and in most jurisdictions a mine or quarry safety regime — see owning a pit.

F–G

Fall arrest	A system that stops a fall after it has begun, using a harness, lanyard and rated anchor. Fourth in the order of fall controls, requires adequate clearance below and a rescue plan, and is frequently unsuitable at the low heights typical of civil work — see working at height.
Falsework	The temporary structure that carries formwork, wet concrete and construction loads to the ground. Its failures are collapses rather than blowouts, and the usual cause is the foundation nobody engineered. More
Fauna spotter-catcher	A person licensed under state law to handle protected animals, present during clearing where an approval requires it. They inspect ahead of the machine, capture and relocate animals, and have authority to stop work — see clearing, fauna and threatened species.
Final certificate	Issued at the end of the defects liability period, generally conclusive of the parties’ positions. Read it on arrival and note the window to dispute. More
Final claim	The last claim on the contract — outstanding variations, remeasurement, provisional sum adjustments and release of security. More
Financial level	Under the national prequalification system, the assessed maximum contract value you may undertake, from F0.25 to F100 Plus, in millions of dollars. More
Fitness for work	An operator’s regime governing whether a worker may start a shift — drug and alcohol testing, fatigue management and medicals among them. Standard on resources sites, where it is a priced cost line rather than an overhead. More
Fitness for work	The broader concept behind a drug and alcohol policy, covering medication, fatigue, heat and acute medical conditions as well as alcohol and other drugs. Increasingly the term clients use in prequalification — see drug, alcohol and fitness for work.
Float	Spare time in a programme before an activity affects the completion date. Delay absorbed by float is not critical delay. More
Formwork	The temporary mould that contains and shapes concrete until it can support itself. It is engineered temporary works designed against a specific pour sequence and rate, and is normally deemed included in the concrete rate. More
Front-end loading	Weighting rates towards early items in a schedule of rates to improve cash position. Ordinary commercial practice that clients routinely check for, and distinct from unbalanced bidding against expected quantity changes. More
Fuel tax credit	A credit returning fuel excise where fuel is used for a business purpose off public roads. Claimed on the business activity statement in litres at the rate applying when the fuel was acquired — see fuel tax credits for civil contractors.
General security agreement	Security taken over all present and after-acquired property of a business rather than over one asset. Given to a plant financier for a single machine, it encumbers the debtors that working capital lending relies on and can block the facility needed to fund the next contract. More
Geogrid	An open-aperture polymer grid used to stabilise subgrade, reinforce pavement layers or form reinforced soil structures. Works by interlock, so aperture size must suit the aggregate, and uniaxial products have a strong direction. More
Geomembrane	An impermeable sheet used to line basins, dams, landfill cells and contaminated ground. The seams are the system, and installation is normally restricted to accredited installers. More
Geotextile	A woven or nonwoven fabric used for separation, filtration, drainage or protection. The class specified is usually driven by survivability during construction rather than by the in-service function. More
Ghost marking	The visible scar left after pavement marking is removed, which under headlights or in the wet can still read as a line. A genuine safety issue and a common defect item at handover. More
Global claim	A claim aggregating many causes into one lump sum at the end of a project. They generally fail, because a single contractor-caused item undermines the whole. More
GMP	Guaranteed maximum price — cost reimbursement subject to a ceiling the contractor guarantees. Carries lump sum risk above the ceiling. More
Go/no-go	The disciplined decision whether to bid at all. More
Ground control point	A surveyed target on the ground, visible in aerial imagery, that ties a photogrammetric model to the project coordinate system. Points deliberately withheld from processing become check points and are the only honest test of accuracy. More

H–L

Haul road	An unsealed road built and maintained for heavy haulage, common civil scope on resources sites both to construct and to maintain. Haulage distance is the variable that drives the rate, which is why a haul road priced off a council cost base rarely survives. More
Hazardous materials survey	The assessment completed before demolition to identify asbestos, lead, synthetic mineral fibres and other hazardous materials in a structure. It precedes any physical work and its findings can change the cost by an order of magnitude — see demolition and site clearing.
Headwall	The structure at the end of a culvert that retains the embankment, supports the inlet or outlet and directs flow. A retaining structure in its own right. More
Heat stress	Heat illness risk arising from six factors — air temperature, humidity, radiant heat, air movement, work rate and clothing — not from temperature alone. Managed under the general work health and safety duty rather than by a legislated maximum — see heat, UV and extreme weather.
High risk work licence (HRWL)	A statutory licence required for defined classes of work such as crane operation, dogging, rigging, scaffolding and boom-type elevating work platforms above a set length. It attaches to the person and is recognised across jurisdictions — see tickets, VOCs and competency records.
Hired-in plant	Plant in your possession that you do not own. A distinct insurance category that is not automatically included in a policy covering plant you own, and the most common gap between a contractor’s contractual liability and its cover. More
Hold point	A point in an inspection and test plan where work must stop until an inspection or test is passed and released. More
Immobiliser	A device requiring a code or fob before plant will start. The most effective single anti-theft control for earthmoving plant, and frequently a condition of insurance cover — see plant theft and site security.
Impacted as-planned	A delay analysis method: insert the delay event into the accepted baseline programme and show the effect on completion. Usually sufficient for SME claims. More
In-situ measure	Measurement of material in its undisturbed state, before excavation. Contrast loose measure. The distinction can be 20–30% of the same physical work. More
In-situ stabilisation	Modifying material in place with lime, cement, a blend or foamed bitumen so it performs better than it naturally would, performed by a purpose-built machine. Once binder is added there is a limited working time to mix, level and compact — see pavement stabilisation, testing and conformance.
Incipient anode	Accelerated corrosion immediately around a new concrete patch, caused by the repaired area becoming passive while surrounding chloride-contaminated concrete becomes anodic. The reason patch repair alone can make a chloride-affected structure worse. More
Interstitial space	The gap between the inner and outer walls of a self-bunded tank. A leak into it is invisible from outside, which is why it must be monitored or inspected — see bulk fuel storage and dangerous goods.
Intervention level	The asset condition at which a council or authority schedules treatment. Catching an asset early means a surface treatment; catching it late means reconstruction — see asset management plans and whole-of-life cost.
ISLP	Infrastructure Skills Legacy Program (NSW) — skills, training and diversity targets on major government infrastructure projects. More
ITP	Inspection and Test Plan — the sequence of verifications for an activity: what is checked, against what standard, to what acceptance criteria, by whom. More
Labour hire licensing	Schemes operating in several states requiring labour hire providers to be licensed, and making it an offence to engage an unlicensed one. The exposure runs to the host business, not only the supplier. More
Latent condition	A physical site condition differing materially from what a competent contractor should reasonably have anticipated at tender, given the information available, reasonable enquiries and a site inspection. More
Lift study	The documented assessment for a crane lift covering crane type and configuration, position, radius, rated capacity at that radius, ground bearing and utilisation. More
Liquidated damages (LDs)	A pre-agreed amount payable for each day or week of late completion, deducted without the principal proving actual loss. More
Load restraint	The requirement that a load be restrained so it cannot move enough to affect the vehicle’s stability or fall from it, assessed against national performance standards. Applies to plant on a float as much as to freight. More
Local Jobs First	Victoria’s local content policy framework, under which the Major Projects Skills Guarantee operates. More
Loss adjuster	An independent expert appointed by the insurer to investigate a claim, scope the loss and report on liability. They are not your representative — but contemporaneous records make their job faster, which makes your claim faster. More
Lump sum	A fixed price for a defined scope. Quantity risk sits with the contractor. More

M–N

Machine control	Satellite or total station positioning that shows an operator where the blade or bucket sits against a design surface, or drives it there automatically. It reduces set-out and rework but does not replace conformance survey. More
Mandatory requirement	A tender requirement that must be met for the tender to be considered. Failing one excludes you before evaluation. More
Mass haul diagram	A plot of accumulated cut against accumulated fill along an alignment, showing where material balances, which direction it should move and how far it must travel. Plot it using material volumes rather than design volumes or it shows a balance that does not exist. More
Measured mile	A disruption analysis comparing an undisrupted period of an activity against the disrupted period on the same job. Only possible if you measured both. More
Metered fuel issue	Dispensing site fuel through a meter that records volume against a plant number. The control that makes fuel loss detectable, and the same record that substantiates fuel tax credits and plant running costs — see plant theft and site security.
Method of measurement	The stated rules determining how quantities are measured, and therefore what each rate must cover. Matters more than the quantities themselves. More
Method of working plan (MOWP)	At a certified aerodrome, the document setting out how works will be carried out without compromising aircraft safety — staging, lighting, marking, plant height and what happens when an aircraft is inbound. It is approved by the aerodrome operator before work starts, and it governs the program. More
Methodology statement	The scored explanation of how you will build the work. More
Minimum average roll value	The basis on which geosynthetic properties are specified and certified, distinct from a typical or nominal value. Comparing a typical value against a specified minimum average roll value is not evidence of compliance. More
Mitigation	Steps taken to reduce a delay and its cost. Expected as part of any delay claim, and evidence of it strengthens the claim. More
Modern award	The industry or occupation instrument setting minimum pay and conditions where no enterprise agreement applies. Coverage turns on the work performed and the employer’s industry rather than job titles, which is why one civil crew can sit under more than one award. More
Modern slavery statement	The annual statement a reporting entity above the revenue threshold must publish on modern slavery risks in its operations and supply chains. Most civil SMEs are not reporting entities — the obligation reaches them contractually, through client questionnaires and supplier codes. More
MPSG	Major Projects Skills Guarantee (Victoria) — at least 10% of labour hours by apprentices, trainees and cadets on projects at or above $20 million. More
MRPV	Major Road Projects Victoria, which delivers through Construction and Design Panels tiered 1–4. More
Muster point	A nominated assembly location for an emergency evacuation. On a linear civil site a single muster point guarantees people walking through the hazard to reach it, so multiple named points with wardens are used — see emergency preparedness and site rescue.
No-go zone	The minimum approach distance to an energised overhead conductor, set by the electrical safety regulator and the network by voltage and by class of worker. It applies in three dimensions to any part of the plant, load or tools — contact is not required for injury. More
Non-negative result	The outcome of an on-site drug screening device indicating a substance may be present. It is preliminary only: confirmatory analysis by an accredited laboratory is required before any consequence attaches — see drug, alcohol and fitness for work.
Nonconformance	Work that does not meet the specification, raised and closed out through the quality system. More
Notice	A formal communication the contract requires, usually within a stated period and often in a stated form and to a stated address. The most common reason good claims fail. More
Notice of entry	Written notice given to an owner and occupier before an authority or its contractor exercises a statutory power to enter land. Requirements differ by jurisdiction and by the power relied on — see easements, land access and notices of entry.
Notifiable incident	A death, serious injury or illness, or dangerous incident that must be reported to the work health and safety regulator immediately. A dangerous incident is notifiable whether or not anyone was hurt — an empty trench collapsing qualifies. More

O–P

Off-hire	The point at which plant hire charges stop. Under most hire terms hire runs until off-hire is notified in the required manner, and often until the machine is collected — which is why a machine finished on Thursday can be charged to the following Friday. More
Off-site overheads	Head office and executive costs attributable to an extended contract period — commonly assessed around 3% of direct costs in prolongation claims. More
On-site overheads	Supervision, site facilities, amenities, services and standing plant maintained through a delay period. More
Open space contribution	Money levied from development under state planning law and held for specified public open space works. Because the works are named in an adopted contributions plan, it is the most readable forward pipeline in local government. More
Ordinary time earnings	The earnings base on which superannuation is calculated, which is not the same as gross wages. Getting the boundary wrong repeats every pay run until someone checks — see superannuation and payroll tax.
Orthomosaic	A geometrically corrected aerial image that can be measured on. The reality capture product most useful to people who are not surveyors, because it looks like a photograph and behaves like a plan. More
Overpumping	A designed temporary system that carries live flow around a pump station or sewer while it is worked on, with standby capacity, containment and continuous monitoring. Its failure is a reportable pollution incident. More
Overtrading	Growing turnover faster than working capital can fund it. Each new job’s wages, plant and materials are paid weeks before its first progress claim arrives, so growth consumes cash before it returns profit — which is how profitable civil contractors run out of money. More
Panel / standing offer	A pre-established arrangement allowing a buyer to engage from a set of approved suppliers without a fresh tender for each job. More
Payment claim	A claim for payment served under the contract and, where compliant, under security of payment legislation. More
Payment schedule	The respondent’s written response to a payment claim, stating the amount proposed and the reasons for withholding. A respondent is generally confined to the reasons stated. More
Payroll tax grouping	The rule treating related businesses as one for the payroll tax threshold, arising from common control, related companies or shared employees. It targets exactly the multi-entity structure most civil businesses use — see superannuation and payroll tax.
PC sum (prime cost sum)	An allowance for the supply of a material or product not yet selected. Installation is usually measured separately. More
Point cloud	The raw measured output of photogrammetry or laser scanning, from which surfaces, contours and orthomosaics are derived. Worth archiving, because derived products can be rebuilt from it but not the reverse. More
Portable long service leave	A scheme attaching long service leave entitlement to service in the construction industry rather than to one employer, funded by a project levy and employer returns. Operated separately in every state and territory — see portable long service leave.
PQC	Queensland’s whole-of-government prequalification register for building consultants and contractors, applying above $1 million. Not a civil or road register. More
Practical completion	The point at which the works are capable of being used for their stated purpose, complete except for minor defects, with tests passed and essential documentation provided. More
Pre-condition survey	A dated record of the condition of nearby structures, including existing cracks, made before work begins. Also called a dilapidation survey. The only control in civil construction with an absolute deadline: once you start, the opportunity is gone permanently. More
Pre-condition survey	A dated photographic and written record of the existing condition of adjoining property or land before work begins. The control that stops every pre-existing crack, rut and gate becoming yours.
Precoated aggregate	Sealing aggregate given a light bitumen coating before spreading to improve adhesion and reduce stone loss. It has a limited working life and does not stockpile indefinitely. More
Preload / surcharge	Placing fill above final level to induce settlement before construction, then removing it. A programme item measured in weeks or months, with monitoring, and a double handling cost — see data centre and industrial civil works.
Prequalification	Assessment establishing a contractor’s capacity to undertake work of a given type, complexity and value. More
Presplit blasting	A controlled blasting technique at the final rock face that produces a clean, stable batter. Using a production blast at the face instead damages the rock mass behind it and creates stabilisation work that would not otherwise be needed. More
Primerseal	A combined prime and light seal that gives a running surface able to carry traffic through a curing period before the final seal is applied. Common on new pavement and frequently confused with a first-coat seal. More
Progress claim	The periodic claim for work completed in the claim period, plus variations and any other entitlements. More
Prohibition notice	An inspector’s direction to stop an activity presenting an immediate or imminent risk. Unlike an improvement notice, it takes effect at once, and it appears in the compliance history prequalification schemes ask about. More
Project levy (long service leave)	A charge on the value of construction work above a project threshold, funding a portable long service leave scheme and usually payable before construction commences. Frequently tied to release of an approval — see portable long service leave.
Prolongation costs	Time-related costs incurred because the contract period was extended by a principal-caused delay. Reimbursement of actual cost, not damages at large. More
Proof of debt	The formal claim a creditor lodges with an administrator or liquidator, supported by documents. A poorly evidenced claim is reduced or rejected — see insolvency up the contractual chain.
Proof roll	A loaded vehicle driven over a prepared surface while the superintendent’s representative watches for deflection or movement. A judgement-based acceptance test, usually on a hold point, and a failure stops the following operation — see pavement stabilisation, testing and conformance.
Provisional quantity	A measured item at your rate where the stated quantity is uncertain and may go to zero. Your rate, your margin, your work — the civil contractor’s best risk tool. More
Provisional sum	A cash allowance set by the principal for work whose scope or cost cannot be defined, generally covering labour and materials. Adjusted to actual cost. More
Psychosocial hazard	An aspect of work design or management that can cause psychological harm — job demands, low control, poor support, role conflict, bullying, remote work, traumatic events. Now an explicit duty under work health and safety regulations — see psychosocial hazards.
Punch list	The list of minor items outstanding at practical completion. Minor defects should not, of themselves, prevent certification. More

Q–R

QMP / PQP	Quality Management Plan or Project Quality Plan — how your quality system applies to this project. More
Qualifying cause of delay	An event entitling you to an extension of time. Broader than a compensable cause — weather is commonly qualifying but not compensable. More
R category	Roadworks prequalification category under the national system, R1 to R5 in ascending complexity. More
Reactive maintenance	Under a term maintenance contract, unscheduled work triggered by an event or a defect report and subject to a contractual response time. Priced off a schedule of rates, it is the stream where low-utilisation economics bite: a rate built on full-day production will not survive a two-hour callout. More
Referable dam	A dam that, because of its size and the consequences of failure, falls within a state’s dam safety regulation — terminology and thresholds differ by jurisdiction. Requirements attach to design, construction supervision, certification and surveillance — see irrigation and rural water civil works.
Registration Scheme	In NSW, the Registration Scheme for Construction Industry Contractors, listing subcontractor capability in drainage, earthworks, traffic control and other named work types. More
Rehabilitation bond	Financial assurance held by a regulator against the cost of rehabilitating a disturbed extractive site, released only when rehabilitation is accepted. Usually provided as a bank guarantee, consuming facility capacity that would otherwise support contract security — see owning a pit.
Reinforced soil wall	A wall whose structure is a mass of controlled fill reinforced with geogrid, with the facing acting as a skin. Requires physical space behind the face for the full reinforcement length, and specified fill — see retaining walls and earth retention.
Remeasurement	Payment for the quantity actually built at the scheduled rate. Quantity movement under a schedule of rates is remeasurement, not a variation. More
Reservation of rights	An insurer’s notice that it is investigating a claim while preserving its position on whether the policy responds. It is neither an acceptance nor a denial, and the claim can still go either way. More
Residual (balloon)	An amount deferred to the end of a finance term to lower the repayments. The risk is owing it when the machine is worth less, which higher-than-expected hours and a soft resale market both make likely. Rolling the shortfall into the next machine compounds it. More
Resource recovery exemption	The instrument allowing recovered material — recycled aggregate, treated soil, recovered fill — to be lawfully reused rather than disposed of, subject to characterisation, record-keeping and permitted-use conditions. Sustainability commitments made at tender often depend on one. More
Respirable crystalline silica	Fine dust generated when concrete, rock, brick or road base is cut, ground, drilled or crushed. A civil construction hazard, not only a stone benchtop one, with a tightened exposure standard and health monitoring duties. Dry cutting and dry sweeping are no longer defensible. More
Restricted access vehicle (RAV)	A heavy vehicle exceeding general mass or dimension limits, permitted to use the network only under a notice or permit carrying route, timing, signage and escort conditions. Most floats carrying medium and large plant fall into this category. More
Retention	Money withheld from progress payments as security, typically released in two tranches — at practical completion and at the end of the defects liability period. More
Retention of title	A contractual term under which supplied goods remain the supplier’s property until paid for. Generally ineffective against an insolvent buyer unless registered as a security interest — see insolvency up the contractual chain.
Retroreflectivity	The measurable property of pavement marking and sign sheeting that returns headlight illumination to the driver. Specified, testable, and what makes marking and signs work after dark. More
Return to work	The process of getting an injured worker back to suitable duties. Claim duration drives claim cost and the first two weeks drive duration, which makes return to work the main lever a contractor has over both its premium and its lost time injury statistics. More
Revetment	A sloping armoured face, usually rock over filter layers and geotextile, protecting a shoreline or bank from wave and current attack. Ordinary excavation and rock work, but placed individually to a specified grading and packing rather than tipped and spread. More
RFI	Request for Information. Days outstanding on RFIs is one of the clearest evidence trails for a principal-caused delay. More
RFQ / RFT / RFP	Request for Quotation / Tender / Proposal — different approach-to-market forms with different levels of formality and different bases of comparison. More
Right of entry	The statutory right of a permit holder to enter a workplace to investigate a suspected contravention or hold discussions with eligible workers. Two separate rights exist under workplace relations and work health and safety law, with different notice rules — see right of entry and unions.
Rise and fall	A clause adjusting the contract price for movements in input prices and wages, by formula against a nominated index. More
Rising main	The pressure pipeline carrying flow from a pump station to its discharge point, with thrust restraint, pressure testing and air valve and scour arrangements that differ from gravity sewer. More
Risk register	A list of what could cost the job money or time, with the response chosen for each — avoid, reduce, transfer or accept. The structure between reading the contract and writing the price; without one, risks are accepted silently by default. More
Road user charge	The amount by which a fuel tax credit is reduced for fuel used in heavy vehicles travelling on public roads. Fuel used off public roads, and fuel powering auxiliary equipment, is not reduced by it — see fuel tax credits for civil contractors.

S

Safety in design	The work health and safety duty on a person who designs a structure to ensure it is without risks to those who build, use, maintain and demolish it. It attaches to the act of designing, including temporary works and alternatives — see safety in design.
Scaling (rock face)	Removing loose material from an excavated rock face. A recurring activity on a cutting rather than a one-off, and a precondition to anyone working beneath the face. More
Schedule of rates	A pricing model in which you tender unit rates and are paid for actual measured quantities. Quantity risk sits with the principal. More
Scope 3 emissions	Emissions in your value chain rather than from your own plant or purchased electricity — principally the materials you buy. Your scope 1 is your client’s scope 3, which is why large clients keep asking suppliers for fuel and materials data. More
Scope gap	Work that falls between subcontract packages and is in nobody’s price — the excavation stops at the structure, the structure starts at the slab, and the item between them is unpriced. Found by reading every quote’s exclusions together. More
Sectional completion	Completion of a defined part of the works by its own date, with its own defects period and sometimes its own liquidated damages. Standard on staged social infrastructure projects where a facility must keep operating — see schools, hospitals and social infrastructure.
Security	Cash retention or a bank guarantee held by the principal to secure performance and defect rectification. More
Security of payment	The statutory regime in each state and territory giving a rapid, enforceable route to payment. More
Selection criteria	The stated matters a tender response must address, usually weighted. More
Separable portion	A defined part of the works with its own date for practical completion, liquidated damages, certificate and defects period. More
Set-off	The principal’s or head contractor’s right to deduct amounts from payments otherwise due. Broad set-off rights in a subcontract are worth negotiating. More
Sham contracting	Engaging a worker as a contractor when the relationship is in substance employment. Penalties are severe, the exposure scales with the size of the crew, and it is one of the most common serious risks for a growing civil SME. More
Share sale / asset sale	The two ways a business changes hands. A share sale transfers the entity with its contracts, licences and liabilities intact; an asset sale transfers selected assets and generally leaves prequalification, contracts and licences behind. The choice usually decides whether prequalification survives. More
Shotcrete	Sprayed concrete, with or without mesh or fibre, used to prevent ravelling and protect weathering-sensitive rock. Must be drained with weep holes, or it raises water pressure behind the face. More
Site allowance	A payment on top of base rates for work on a particular site or project, commonly set by an enterprise agreement or required to match head contractor conditions. It is a pricing input to establish before tendering, not after. More
Site auditor	An independent expert accredited by the environmental regulator to review and sign off contaminated site assessment and remediation, under the auditor schemes operating in NSW, Victoria and other jurisdictions. Their certification, not your completion, is what closes out remediation work — so their review sits on the critical path. More
Site diary	The daily contemporaneous record of labour, plant, work performed, weather, visitors, instructions and delays. The evidentiary spine of every claim. More
Slump	A measure of the consistency of fresh concrete at delivery, used to accept or reject a load. The parameter site crews are most tempted to alter by adding water, which is the most damaging routine act on a concrete pour. More
Source approval	A principal’s or road authority’s acceptance of a particular quarry, pit or plant as a permitted source of material for the work. Where it applies, substituting a source mid-job is a specification decision rather than a purchasing one. More
Special conditions	Amendments to a standard form’s general conditions. Where the real risk allocation is usually decided.
Special purpose vehicle (SPV)	A company incorporated to hold a single project or development, standard on the private developer side. Your contract is with the SPV rather than the brand behind it, and its assets may be the land and nothing else — which is why the entity you are contracting with is worth establishing before you price. More
Spotter	A person whose only task is to observe and direct plant movement, positioned to be seen by the operator and with authority to stop work. Not a control if they are also doing another job — see plant and pedestrian separation.
Sprayed seal	A film of bituminous binder covered with a single layer of aggregate and rolled in. It waterproofs and provides a wearing surface but contributes essentially nothing structurally, so every defect underneath remains a defect. More
Statement of attainment	Evidence issued by a registered training organisation that a person was assessed as competent against nationally recognised units. Not a licence, and not proof of current capability years later — see tickets, VOCs and competency records.
Subsurface utility information (SUI)	A classification of how well an underground asset has been located, from records-based information at the lowest confidence to physically exposed and surveyed at the highest. Quoting a quality level, and pricing to achieve it, turns service proving into a scoped item rather than an assumption. More
Superintendent	The person administering the contract — certifying payment, valuing variations, assessing extensions of time and certifying practical completion. More
Supplier code of conduct	The standards a government buyer requires of its suppliers — lawful conduct, fair treatment and payment of workers, safety, no modern slavery, ethical dealing. Usually applied by reference in the contract, extending to your own subcontractors, and enforced through procurement rather than the courts. More
Surcharge	Any load near the top of an excavation that increases the force pushing the face in — spoil, the excavator itself, stacked materials, traffic or an adjacent structure. The most common contributor to trench collapse and the least often assessed. More
Surcharge (retaining wall)	Load applied to the ground behind a wall in addition to the soil, from plant, compaction, stockpiles or future use. Walls have been pushed over during their own backfilling — see retaining walls and earth retention.
SWMS	Safe Work Method Statement, required for high-risk construction work. More

T–Z

Target outturn cost	The agreed shared expectation of what a job will cost under a target cost arrangement. Actual costs are reimbursed, a fee is paid, and the difference from target is shared as pain-share or gain-share, usually capped — see ECI, alliances and collaborative contracting.
Temporary works	Anything that holds something up, holds something back or carries a load and is removed at the end — shoring, batters, working platforms, formwork, propping and coffer dams. Designed by the contractor almost everywhere, and rarely drawn by anyone. More
Tender consideration plan	In Queensland local government, a prepared plan permitting an alternative to the default tender process. More
Tender settlement	The structured review at which a completed estimate becomes a submitted price — testing assumptions, closing scope gaps, pricing the risk register, setting qualifications and deciding the margin, with every adjustment recorded. More
Tender threshold	The contract value above which a buyer must publicly tender. Set by state legislation or, in Victoria, by each council’s own adopted policy. More
Term maintenance contract	A multi-year contract to maintain an asset network — roads, drainage, reserves or reticulation — rather than to build a project. It usually carries three streams paid three ways: routine work by the period, reactive work off a schedule of rates, and minor works quoted package by package. More
Terminal (safety barrier)	The engineered end treatment of a safety barrier run. The most safety-critical part of the system, the most frequently installed incorrectly, and a substantial cost that a plain metre rate does not cover. More
TGS	Traffic Guidance Scheme — the drawing showing traffic control devices and arrangements at a worksite. More
TIC-CO	Transport Infrastructure Contract — Construct Only, the Queensland TMR construct-only contract form. More
Tiger tail	A coloured plastic sleeve fitted over an overhead conductor near a work site. It is a visual warning marker only: it does not insulate the line, does not make it safe to touch, and does not reduce the approach distance. More
Time bar	A contractual deadline for a notice or claim. Where notice is a condition precedent, missing it can extinguish the entitlement. More
TMP	Traffic Management Plan — the scored traffic returnable. More
Tolerance stack-up	The accumulation of manufacturing tolerance, construction tolerance and designed joint gaps across a run of precast units. Where nobody has added them up, the last unit will not fit. More
Trade waste agreement	The agreement with a water authority permitting discharge to sewer, with acceptance criteria, volumetric charges and often a limit on discharge rate. Frequently the easiest dewatering discharge route to approve and the most expensive to use — see dewatering, water take and discharge.
Tree protection zone (TPZ)	An area around a retained tree within which excavation, level change, compaction and stockpiling are restricted, sized from the tree and fenced before work starts. Root damage is invisible and can kill a tree long after handover — see clearing, fauna and threatened species.
Trench shield	A box or shield lowered into a trench to protect people working inside it. It protects rather than supports — the ground outside can still move, undermining services, pavements and adjacent structures. More
Trenchless installation	Installing conduit or pipe without open excavation — directional drilling, thrust boring, ramming or microtunnelling. Necessary under roads, rail and waterways; sometimes an unexamined default on an open verge where an open trench would be faster and safer. More
Trust account	A statutory account in which project or retention money must be held, operating in Queensland, NSW and WA on defined contracts. More
Unbalanced bidding	Loading and cutting rates to improve the outcome on remeasurement. Binds you to your own low rates at variation time, and evaluators check for it. More
Unexpected finds	The procedure for what happens when something of potential cultural heritage significance is uncovered: stop work in the vicinity, secure it, do not disturb or remove anything, notify the parties named in the plan, and do not restart until authorised. Human remains are a separate and immediate matter for police. More
Unfair preference	A payment received shortly before a company’s insolvency that a liquidator may seek to recover because it preferred one unsecured creditor over others. Defences exist; a demand should not be paid without advice — see insolvency up the contractual chain.
Unmetered supply	The electricity connection arrangement used for public lighting, where consumption is calculated from registered load data rather than a meter. Registered with the distributor and retailer, and a step contractors forget. More
Unsuitable material	Excavated material that cannot lawfully or technically go into fill — organics, highly plastic clay, oversize rock, material outside specified limits, or material too wet to compact. More earthworks money is won and lost on this item than on production rates. More
Utilisation (plant)	The proportion of time a machine is actually working. Low utilisation is a fleet-size or work-pipeline problem, distinct from low availability, which is a maintenance problem — see plant maintenance and availability.
Value for money	The statutory basis on which Australian government procurement decisions are made — not lowest price. More
Variation	A directed change to the scope of the work under the contract, valued and paid under the variation clause. More
VendorPanel	A procurement platform widely used by Australian councils for quotations and panel engagements. More
Verification of competency (VOC)	An employer’s practical assessment that a person can safely operate specific plant in the conditions where they will use it. The way the duty to ensure competence is discharged for plant with no licence, and never a substitute for a licence where one is required — see tickets, VOCs and competency records.
WAE drawings	Work-as-executed drawings, recording what was actually built. A standard handover requirement. More
Waste classification	The regulated category assigned to excavated material, determined by laboratory analysis against the thresholds set in your jurisdiction. It decides where the material may lawfully go and what disposal costs — the same truckload can differ in cost by an order of magnitude between classes, which makes it the dominant pricing variable in contaminated ground. More
Waste levy	A per-tonne charge applied to waste disposed to landfill, included in the gate fee and differing by jurisdiction and between metropolitan and regional areas. It dominates disposal cost, which is why diversion to recycling is a real saving — see demolition and site clearing.
Waterstop	A strip cast into a construction or movement joint in a liquid-retaining structure to prevent leakage. Workmanship-critical and a very common source of leaks when misplaced, damaged or displaced during placement — see treatment plant civil works.
Wet hire / dry hire	Plant supplied with an operator, or without one. The distinction changes who insures the machine, who carries safety duties for the work, who holds heavy vehicle duties on the float, and whether the arrangement may fall within a labour hire licensing scheme. More
Wet well	The chamber in which wastewater or stormwater collects before being pumped out. It is a confined space, sits below the water table, and is the most aggressive concrete exposure environment in ordinary civil work. More
Whole-of-life cost	The total cost of an asset across its life — capital, operating, maintenance, renewal and disposal — rather than construction price alone. How asset owners evaluate what you offer — see asset management plans and whole-of-life cost.
WHS management plan	The project safety plan, a mandatory returnable on most civil tenders. More
Wingwall	The angled retaining walls either side of a culvert headwall that hold back the embankment and guide flow into or out of the structure. More
Work lot	A defined portion of work treated as a unit for inspection, testing and conformance. More
Working width (safety barrier)	The space a barrier system needs behind it to deflect and perform as tested. Installing a barrier with insufficient clearance to the hazard behind it defeats the system. More
Working with children check	The state or territory screening clearance required for workers on sites where children are present. Schemes, exemptions and interstate recognition differ by jurisdiction, clearances take time, and they apply to subcontractors and delivery drivers too — see schools, hospitals and social infrastructure.

Acronym quick reference

Acronym	Stands for	Acronym	Stands for
AIP	Australian Industry Participation	MOWP	Method of Working Plan
ASIC	Aviation Security Identification Card (not the corporate regulator)	MPSG	Major Projects Skills Guarantee
BOQ	Bill of Quantities	MRPV	Major Road Projects Victoria
CAIP	Commonwealth Australian Industry Participation	MSIC	Maritime Security Identification Card
CCF	Civil Contractors Federation	NEPM	National Environment Protection Measure
CDE	Common Data Environment	NES	National Employment Standards
CEMP	Construction Environmental Management Plan	NPS	National Prequalification System
CHMP	Cultural Heritage Management Plan	PC	Practical Completion, or Prime Cost
CPR	Commonwealth Procurement Rules	PQC	Prequalification (Queensland building)
CUA	Common Use Arrangement	QMP	Quality Management Plan
DE	Digital Engineering	RDO	Rostered Day Off
DLP	Defects Liability Period	RFI	Request for Information
EBA	Enterprise Bargaining Agreement (colloquial for an enterprise agreement)	SOP	Security of Payment
EOI	Expression of Interest	SOR	Schedule of Rates
EOT	Extension of Time	SPV	Special Purpose Vehicle
EPA	Environment Protection Authority	SWMS	Safe Work Method Statement
FWC	Fair Work Commission	TfNSW	Transport for NSW
FWO	Fair Work Ombudsman	TGS	Traffic Guidance Scheme
GMP	Guaranteed Maximum Price	TMP	Traffic Management Plan
ISLP	Infrastructure Skills Legacy Program	TMR	Transport and Main Roads (Qld)
ITP	Inspection and Test Plan	WAE	Work As Executed
LD	Liquidated Damages	WHS	Work Health and Safety

The eight worth knowing precisely

If you read nothing else on this page, these eight distinctions are the ones that most often cost civil SMEs money.

• Modern award vs enterprise agreement. One is the industry minimum that applies by default. The other is negotiated, displaces it, and usually costs more. Pricing labour without knowing which binds you is guessing.
• Contractor licence vs prequalification. One is legal permission to carry out the work. The other is a buyer’s assessment that you may bid for it. Neither implies the other, and the regulator does not care that an agency prequalified you.
• Remeasurement vs variation. Quantity movement inside scheduled items is remeasurement and flows automatically. Scope change is a variation and needs notice.
• Provisional sum vs provisional quantity. The principal sets the sum; you set the rate. Your margin position is completely different.
• Qualifying cause vs compensable cause. One gets you time. Only the other gets you money.
• Extension of time vs delay costs. Two claims, two tests. Approving one does not approve the other.
• Practical completion vs completion. Minor defects do not prevent practical completion — they belong in the defects period.
• Retention vs bank guarantee. Cash retention can be pursued as a payment claim; a bank guarantee generally cannot.

This glossary is general information for Australian civil construction businesses and is not legal advice. Definitions describe common Australian industry usage; where a term is defined in your contract, that definition governs. Standard forms are routinely amended. Always work from your executed contract documents.