Construction Glossary

We've compiled a list of relevant abbreviations and terms that are used within the construction industry.

Abbreviations

RFI

An RFI (request for information) is a document involved parties use to clarify drawings, plans, agreements, and specifications. The RFI clarifies information gaps in construction documents.

RFQ

A request for quote (RFQ) is a formal document used for gathering information about goods from the potential vendor. The RFQ will detail the quantities and specifications of these goods.

RFB

Request for bid (RFB) is a line type item building paper made by an organization for vendors. As an example, an RFB can be used when contractors need carpenters.

RTT

Round Trip Time (RTT) is the acronym used for total trip time made by employees.

SWI

Site Work Instructions (SWI) are technical instructions written by the engineering consultant to the contractor to execute a particular job or work that does not affect the contract sum or time.

NSC

A Nominated Subcontractor (NSC) is selected by the client to carry out an element of the work. NSC are given to the main contractor after they are appointed..

NCR

A Non-conformance Report is a construction-related document used to address specific deviation or when work fails to meet quality standards.

MIR

Material Inspection Request-A purchaser’s document submitted requesting formal inspection and verification that all materials delivered to the site meet the MAR specs in quality and volume.

MAR

Material Approval-Approved construction materials for use in the specific project.

LOA

Letter Of Acceptance-A purchaser’s letter communicating the acceptance of a bid for services or products according to agreed terms between parties.

LOI

Letter Of Intent-A purchaser’s letter of intent to award a bid or purchase from the bidding or offering company.

IFB

Invitation For Bid-A purchaser’s invitation for a company or provider to submit bids for materials or services.

VO

Variation Order-A formal order in writing from the EOC to a contractor for example,

IP

A structured plan for periodic as well as continuous inspections of the project by the Project Inspector.

IRP

(Intellectual Property Rights) is when the structure or property designed is protected.

EI

Engineering Instruction (EI) is the process of planning out the project that is being constructed.

TOC

TOC - Top of Concrete.

BCC

Bureau Of Construction Codes (BBC) is who makes the procedures and processes that you need to follow during construction.

DWG

DWG is a type of format that construction sites will use to file two and three dimensional designs to. It stands for drawing standards.

FACP

The Fire Alarm Control Panel, or FACP, is a panel that is used to control the fire alarm.

FL

FL is the acronym used to describe when something is Floor Level.

HV

High Voltage (HV) means that you need to use caution when working around this type of electricity. It has enough power to cause harm to someone if electrocuted.

MH

Manhole, or MH, is a location that is cut out in the ground to allow a worker to enter into for underground work.

MOQ

Minimum Order Quantity (MOQ) is referring to the amount of product that you have to buy for a project.

CO

A Certificate of Occupancy (CO) is a type of permission given by the Building Department to show proof of the building being up to code.

BUA

The BUA (Built Up Area) is known as the entire property of which the construction is being done on.

DB

Design-Build (DB) is the plans that are drawn up by the contractor.

AHU

The Air Handling Unit (AHU), also known as the HVAC, is the unit that is used to circulate the air on the inside of a building.

FCU

A Fan Coil Unit (FCU) is a fan that has a coil unit inside of it.

IFC

IFC is an acronym for Industry Foundation Classes. IFC is used in the construction world to help model the data for the construction and architectural design.

RCP

Reinforced Concrete Pipe (RCP) is a pipe that is used in sewage systems and other drainage locations. It is made out of concrete and very sturdy.

IPC

Interim Payment Certificates (IPC) is what is referred to as an agreement or contract for payment.

UPS

Uninterrupted Power Supply, also known as UPS in the construction world. That is when you are guaranteed that you will not lose connection to your source of power.

VCD

VCD is the acronym for Variable Control Damper.

DLB

DLB stands for dig-lay-bury

PPE

PPE, also known as Personal Protective Equipment, is what construction workers wear to keep them protected while on the job.

QA/QC

QA is the abbreviation that is used to mean Quality Assurance. QC is the abbreviation that is used to mean Quality Control. These two terms are used when stating that the job was done according to plans.

BIM

BIM is an acronym for Building Information Model. It is the process of collecting information to create a design. It allows the process to run more efficiently due to many aspects being built ahead of time.

CAD

Computer Aided Design (CAD) is a design program that is used to create two or three-dimensional views of the projected project.