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Structural Engineering Reference

Glossary of Structural Engineering Terminology

Plain-language definitions for common terms used in structural inspections, condition surveys, and building assessments throughout Florida.

General Terms

Condition Surveys

Water Intrusion

General Terms

Building Defect

A problem in a building component, material, or system. It may affect safety, performance, or the building’s lifespan.

General

Building Deterioration

The gradual worsening of a building over time. It can be caused by age, moisture, salt air, corrosion, movement, or lack of maintenance.

General

Building Envelope

The exterior parts of the building that protect it from the weather. This includes walls, roofs, windows, doors, and waterproofing systems.

General

Building Maintenance

Routine work done to keep a building in good condition. Regular maintenance helps prevent larger problems and prolongs the building’s lifespan.

General

Code Compliance

In Florida, this means a building, repair, or alteration meets the Florida Building Code and applicable local requirements. It is usually checked through permits, plan review, and inspections.

General

Corrosion

The rusting or wearing away of metal. It can weaken structural components if left unchecked.

General

Liability

Legal responsibility for a problem, damage, or injury. A person or organization may be liable if they failed to act properly.

General

Milestone Inspection

In Florida, a milestone inspection is required for certain condominium and cooperative buildings that are three or more habitable stories. It is a structural safety inspection that begins when the building reaches a certain age and then repeats every 10 years.

General

Settlement

The downward movement of part of a building or its foundation. Too much settlement can lead to cracks, uneven floors, or other structural problems.

General

Spalling

When concrete cracks, flakes, or breaks apart. This often happens when steel inside the concrete begins to rust.

General

Structural Inspection

A review of a building’s structural condition. It helps identify damage, wear, or safety concerns.

General

Structural Load

The weight or force a building must support. This can include people, furniture, equipment, wind, and other forces acting on the structure.

General

Threshold Inspection

In Florida, a threshold inspection is a required structural inspection for a threshold building during certain construction, repair, or restoration work. It is also required for window, door, and sliding glass door replacements in threshold buildings when that work is treated as a modification affecting the building’s structural system under the current Florida code interpretation.

General

Unsafe Condition

A condition that may put people or property at risk. It usually requires prompt attention.

General

Water Intrusion

Water entering areas where it shouldn’t. Over time, this can cause damage, mold, and structural problems.

General

Condition Surveys

Building Codes

Rules and regulations adopted by the governmental authority having jurisdiction that govern the design, construction, alteration, and repair of commercial real estate.

Condition surveys

Building Component(s)

A portion of a building system, piece of equipment, or building element.

Condition surveys

Building Envelope

The outer elements of a building, both above and below ground, that divide the external from the internal environments; commonly included are exterior walls, windows, doors, roofs, and subfloors.

Condition surveys

Building System(s)

Interacting or independent building components or assemblies that form integrated units that comprise a building and its site work, such as structural frame, roofing, exterior walls, plumbing, HVAC, electrical, etc.

Condition surveys

Commercial Real Estate

Improved real property, except a dwelling or property with four or less dwelling units exclusively for residential use; including, but not limited to, improved real property used for industrial, retail, office, hospitality, agriculture, medical, or educational purposes; or property used for residential purposes that has more than four residential dwelling units.

Condition surveys

Dangerous Conditions

Conditions that may pose a threat or possible injury to the field observer, and that may require the use of special protective clothing, safety equipment, access equipment, or any other precautionary measures.

Condition surveys

Deferred Maintenance

Physical deficiencies that could have been remedied with routine maintenance or similar action.

Condition surveys

Due Diligence

The process of inquiring into the characteristics of commercial real estate, usually in connection with a commercial real estate transaction.

Condition surveys

Easily Visible

Describes items, components, and systems that are conspicuous, patent, and that may be observed during the walk-through survey without intrusion, relocation or removal of materials, exploratory probing, or use of special equipment or protective clothing.

Condition surveys

Engineer

Designation reserved by law for a person professionally qualified, examined, and licensed by the appropriate authority having jurisdiction to perform engineering services.

Condition surveys

Expected Useful Life (EUL)

The average amount of time in years that a building system or building component is estimated to function without material repair when installed new and appropriate maintenance is performed.

Condition surveys

Opinions of Cost(s)

Preliminary, order of magnitude, budgetary projection to assist the user in developing a general understanding of the physical condition of the subject property.

Condition surveys

Immediate Costs

Opinions of costs to correct physical deficiencies that require immediate action as a result of: (1) conditions that represent an imminent life-safety issue, (2) conditions that if left uncorrected would result in system or component failure, or (3) recorded violations of building or fire codes.

Condition surveys

Long-Term Cost(s)

Opinions of cost for anticipated replacement of building systems and building components over an evaluation period defined by the user.

Condition surveys

Physical Condition

The physical state of a subject property, building system or building component. The consultant may offer opinions using terms such as good, fair, and poor, provided the terms are defined within the PCR.

Condition surveys

Good Condition

In working condition and does not require immediate or short-term repairs above an agreed threshold.

Condition surveys

Fair Condition

In working condition, but may require immediate or short-term repairs above an agreed threshold.

Condition surveys

Poor Condition

Not in working condition or requires immediate or short-term repairs substantially above an agreed threshold.

Condition surveys

Property Condition Assessment (PCA)

The process by which a person or entity observes a subject property, conducts interviews, and reviews available documentation for the purpose of developing an opinion and preparing a Property Condition Report (PCR).

Condition surveys

Readily Accessible

Describes areas of the subject property that are made available for observation by the field observer at the time of the walk-through survey and do not require the removal or relocation of materials, such as furniture, floor, wall, or ceiling coverings, equipment, or personal property.

Condition surveys

Readily Available

Describes information that is easily and promptly provided to the consultant upon making a request through appropriate inquiry and without the need for researching archive files.

Condition surveys

Remaining Useful Life (RUL)

A subjective opinion of the number of remaining years that an item, component, or system is estimated to be able to function in accordance with its intended purpose before warranting replacement. An opinion of RUL is affected by initial quality, installation quality, preventive maintenance, climatic conditions, extent of use, and other factors.

Condition surveys

Routine Maintenance

An activity that can be conducted within the budget and skill set of typical maintenance staff and does not require specialized equipment, professional services, or contractors.

Condition surveys

Structural Frame

The building system that supports the structural loads of a building.

Condition surveys

Water Intrusion

Incidental Water

Unplanned water infiltration that penetrates beyond the primary barrier and the flashing or secondary barrier system, of such limited volume that it can escape or evaporate without causing adverse consequences.

Water intrusion

Water Absorption

A process in which a material takes in water through its pores and interstices and retains it wholly without transmission.

Water intrusion

Water Infiltration

A process in which water passes through a material or between materials in a system and reaches a space that is not directly or intentionally exposed to the water source.

Water intrusion

Water Leakage

Water that is uncontrolled; exceeds the resistance, retention, or discharge capacity of the system; or causes subsequent damage or premature deterioration.

Water intrusion

Water Penetration

A process in which water gains access into a material or system by passing through the surface exposed to the water source.

Water intrusion

Water Permeation

A process in which water enters, flows, and spreads within and discharges from a material.

Water intrusion

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This resource is published for informational purposes and does not constitute engineering advice. Consult a licensed Structural Engineer for project-specific guidance.Â