SSCO
Zhang, S.; Zhang, S.; Wu, Z. Structural Sustainability Compliance Ontology (SSCO), version 0.1.1, 2026.
Chao Wang, State Key Laboratory of Hydraulic Engineering Intelligent Construction and Operation, Tianjin University
Chen Zhu, Power Construction Corporation of China
Xiaohua Wang, State Key Laboratory of Hydraulic Engineering Intelligent Construction and Operation, Tianjin University
Zhiyong Jiang, China Water Resources Beifang Investigation, Design and Research Co. Ltd.
Sherong Zhang, State Key Laboratory of Hydraulic Engineering Intelligent Construction and Operation, Tianjin University
Shihang Zhang, State Key Laboratory of Hydraulic Engineering Intelligent Construction and Operation, Tianjin University
Zhengqiao Wu, China Water Resources Beifang Investigation, Design and Research Co. Ltd.
An all-in-one publication version of the Structural Sustainability Compliance Ontology, integrating the SSCO-Core, SSCO-BFI, and SSCO-SCC modules.
Copyright © 2026 Authors
Structural Sustainability Compliance Ontology
ISO 16739-1:2024; ISO 10303-104:2000, finite element analysis.
An analysis model representing the idealized structural analysis formulation for a project.
Analysis Model
ISO 10303-104:2000, finite element analysis result structures.
A set of analysis results produced by an analysis model.
Analysis Results
ISO 10303-104:2000, result_analysis_step.
A result subset corresponding to a particular analysis step.
Analysis Results Step
ISO 10303-104:2000, model state structures.
An initial or final analysis state associated with a task.
Analysis State
An ordered step within an analysis model.
Analysis Step
ISO 16739-1:2024, IfcWorkCalendar.
A control that defines working and non-working time patterns for task execution.
Calendar Control
ISO 10303-104:2000; ISO 10303-108:2005, parameterization and constraints.
A boundary condition or constraint applicable to an analysis step or structural item.
Constraint
ISO 16739-1:2024, IfcControl.
A control that governs task execution and may allocate resources.
Control
ISO 16739-1:2024, IfcCostItem and related cost control concepts.
A control that governs planned cost, budget, or cost-related constraints for a task or process.
Cost Control
ISO 16739-1:2024, construction equipment resource concepts.
An equipment resource used by a task or process.
Equipment Resource
An analysis state representing the final condition of an analysis task or step.
Final Analysis State
An analysis state representing the initial condition of an analysis task or step.
Initial Analysis State
ISO 16739-1:2024, labor resource concepts.
A labor resource used by a task or process.
Labor Resource
ISO 10303-104:2000, finite element idealization structures.
An analysis-level structural item idealized as a line-based representation.
Line Structural Item
ISO 16739-1:2024; ISO 10303-104:2000, material definitions.
A definition of material assigned to a structural element or item.
Material Definition
ISO 16739-1:2024, material resource concepts.
A material resource used by a task or process.
Material Resource
ISO 16739-1:2024, IfcProcess.
A construction or engineering process associated with a spatial or structural context.
Process
ISO 16739-1:2024, IfcResource.
A generic resource consumed or allocated in a task.
Resource
ISO 16739-1:2024, IfcWorkSchedule.
A control that governs the planned timing and sequencing of tasks.
Schedule Control
An analysis-level structural item idealized as a solid-based representation.
Solid Structural Item
ISO 16739-1:2024, IfcSpatialStructureElement.
A spatial structural context that may contain substructures and structural elements.
Spatial Structure Element
ISO 10303-104:2000, state_definition and field_variable_definition.
A definition describing an analysis state.
State Definition
ISO 16739-1:2024, structural element concepts.
A structural element in the product model.
Structural Element
ISO 16739-1:2024; ISO 10303-104:2000, finite element idealization structures.
An analysis-level structural item idealized from a structural element.
Structural Item
An analysis-level structural item idealized as a surface-based representation.
Surface Structural Item
ISO 16739-1:2024, IfcTask.
A task within a process.
Task
Links a control to a resource.
allocates resource
Specifies the type of an analysis model.
analysis model type
Specifies an identifier assigned to a set of analysis results.
analysis results identifier
Specifies the name of the software used to create or run an analysis model.
analysis software name
Specifies the software version used to create or run an analysis model.
analysis software version
Specifies an identifier assigned to an analysis state.
analysis state identifier
Specifies an identifier assigned to an analysis step.
analysis step identifier
Links a constraint to an analysis step.
applies in step
Relates a state definition to the analysis state that it defines or characterizes.
applies to analysis state
Links a constraint to a structural item.
applies to item
Specifies the name of a baseline schedule represented by a schedule control.
baseline schedule name
Links a state definition to a structural item.
belongs to item
Specifies the baseline budget amount represented by a cost control.
budget baseline amount
Specifies the local currency of a planned cost or budget value associated with a control when an explicit value-level currency needs to override or supplement the project unit specification.
budget currency
Specifies the local unit of a carbon emission value associated with a resource when an explicit value-level unit needs to override or supplement the project unit specification.
carbon emission unit
Specifies the carbon emission amount associated with a resource during a defined activity, allocation, or consumption period.
carbon emission value
Specifies the compressive strength value assigned to a material definition.
compressive strength value
Links a structural item to a material definition.
consists of
Specifies the type of a boundary condition or constraint.
constraint type
Links a task to a resource it consumes.
consumes resource
Specifies the quantity of a resource consumed or planned for consumption.
consumption quantity
Links a spatial structure element to a structural element.
contains element
Links an analysis model to a structural item.
contains item
Links a spatial structure element to a process.
contains process
Links a project to a spatial structure element.
contains spatial structure element
Defines recursive containment among spatial structure elements.
contains substructure
Specifies an identifier assigned to a control.
control identifier
Specifies the status of a control.
control status
Specifies the type or category of a control.
control type
Specifies the cost performance index associated with a cost control.
cost performance index
Specifies the cost variance value represented by a cost control.
cost variance amount
Specifies the number of working hours per day defined by a calendar control.
daily working hours
Specifies the local unit of a density value assigned to a material definition when an explicit value-level unit needs to override or supplement the project unit specification.
density unit
Specifies the density value assigned to a material definition.
density value
Specifies the degree of freedom to which a constraint applies.
degree of freedom code
Specifies the unit of a duration value associated with a control.
duration unit
Specifies the earliest permissible start time represented by a schedule control.
earliest start time
Specifies the earned value amount represented by a cost control.
earned value amount
Specifies the elastic modulus value assigned to a material definition.
elastic modulus value
Specifies the embodied carbon factor assigned to a material resource.
embodied carbon factor
Specifies the numeric embodied carbon factor of a material resource, interpreted by default through the project unit specification unless a local unit is explicitly provided.
embodied carbon factor value
Specifies the local unit of an embodied carbon factor assigned to a material resource when an explicit value-level unit needs to override or supplement the project unit specification.
embodied carbon unit
Specifies the local unit of an energy consumption value associated with an equipment resource when an explicit value-level unit needs to override or supplement the project unit specification.
energy consumption unit
Specifies the energy consumption amount associated with an equipment resource.
energy consumption value
Specifies the carbon emission amount associated specifically with an equipment resource.
equipment carbon emission value
Specifies the utilization rate associated with an equipment resource.
equipment utilization rate
Specifies the ratio of female workers within a labor resource.
female labor ratio
Links a results step to its analysis step.
for step
Specifies the local unit of a fuel consumption value associated with an equipment resource when an explicit value-level unit needs to override or supplement the project unit specification.
fuel consumption unit
Specifies the fuel consumption amount associated with an equipment resource.
fuel consumption value
Specifies the type of geometric representation associated with a structural element.
geometric representation type
Links a project to an analysis model.
has analysis model
Links an analysis state to a state definition.
has definition
Links a task to a final analysis state.
has final state
Links a task to an initial analysis state.
has initial state
has item
Links a structural element to a material definition.
has material
Links an analysis model to analysis results.
has results
Links analysis results to a results step.
has results step
Links an analysis model to an analysis step.
has step
Links a structural element to a task associated with its construction or engineering work.
has task
Specifies the hourly wage rate associated with a labor resource.
hourly wage rate
Specifies the numeric wage rate value of a labor resource, interpreted by default through the project unit specification unless a local wage time unit or local currency is explicitly provided.
hourly wage rate value
Specifies the idealization type of a structural item in the analysis model.
idealization type
Links a structural item to the task for which it is analyzed.
is analyzed for task
Links a structural element to a process by which it is constructed.
is constructed by
Links a task to a control.
is controlled by
Indicates whether a schedule control belongs to a critical path condition.
is critical control
Links a structural element to its analysis-level structural item.
is idealized as
Specifies the number of labor hours associated with a labor resource.
labor hour value
Specifies the latest permissible finish time represented by a schedule control.
latest finish time
Specifies the name or code of a load case associated with an analysis step.
load case name
Specifies the ratio of an equipment resource that is deployed from local sources or local contractors.
local equipment ratio
Specifies the ratio of a labor resource recruited locally.
local labor ratio
Specifies the ratio of a material resource obtained from local sources.
local material ratio
Specifies the ratio of a resource that is sourced or deployed locally.
local resource ratio
Specifies the ratio of male workers within a labor resource.
male labor ratio
Specifies the grade or class of a material definition.
material grade
Specifies the name of a material definition.
material name
Specifies the material standard or specification referenced by a material definition.
material standard
Specifies the ratio of material waste associated with a material resource during a task or process.
material waste ratio
Specifies the maximum displacement value represented in an analysis result set, interpreted by default through the project unit specification unless a local unit is explicitly provided.
max displacement value
Specifies the maximum strain value represented in an analysis result set.
max strain value
Specifies the maximum stress value represented in an analysis result set, interpreted by default through the project unit specification unless a local unit is explicitly provided.
max stress value
Specifies the local unit of an elastic modulus value assigned to a material definition when an explicit value-level unit needs to override or supplement the project unit specification.
modulus unit
Specifies a textual description of non-working periods, holidays, or exceptions in a calendar control.
non-working day description
Specifies the operating hours associated with an equipment resource.
operating hours value
Specifies the planned cost or budget value associated with a control.
planned cost
Specifies the planned duration value associated with a control.
planned duration value
Specifies the planned finish date and time associated with a control.
planned finish time
Specifies the planned start date and time associated with a control.
planned start time
Defines step sequence.
precedes step
Defines sequence among tasks.
precedes task
Specifies the unit of a prescribed value in a constraint or boundary condition.
prescribed unit
Specifies the scalar value prescribed by a constraint or boundary condition.
prescribed value
Specifies an identifier assigned to a process.
process identifier
Specifies the status of a process.
process status
Specifies the type or category of a process.
process type
Specifies the local unit of a resource quantity when an explicit value-level unit needs to override or supplement the project unit specification.
quantity unit
Specifies the numeric quantity value of a material resource, interpreted by default through the project unit specification unless a local unit is explicitly provided.
quantity value
Specifies the ratio of recycled content in a material resource.
recycled content ratio
Specifies the total cost associated with a resource.
resource cost
Specifies the numeric resource cost value, interpreted by default through the project unit specification unless a local currency is explicitly provided.
resource cost value
Specifies the local currency of a cost value associated with a resource when an explicit value-level currency needs to override or supplement the project unit specification.
resource currency
Specifies an identifier assigned to a resource.
resource identifier
Specifies the type or category of a resource.
resource type
Specifies the location type at which a response variable is reported, such as nodal, elemental, or section-based.
response location type
Specifies the statistic type of a reported response value, such as maximum, minimum, average, or characteristic.
response statistic type
Specifies the name of a response variable reported in an analysis results step.
response variable name
Specifies the unit of a response variable value.
response variable unit
Specifies the scalar value of a response variable reported in an analysis results step.
response variable value
Specifies the name or code of the result case represented by an analysis results set.
result case name
Specifies the date and time at which an analysis result set is generated or recorded.
results date time
Specifies the number of work shifts defined by a calendar control.
shift count
Specifies a textual description of an analysis state.
state description
Specifies the name of a state variable defined for an analysis state.
state variable name
Specifies the unit of a state variable value.
state variable unit
Specifies the scalar value of a state variable.
state variable value
Specifies the type of an analysis step.
step type
Specifies the local unit of a strength value assigned to a material definition when an explicit value-level unit needs to override or supplement the project unit specification.
strength unit
Specifies the type of a structural element in the product model.
structural element type
Specifies an identifier assigned to a task.
task identifier
Specifies the method, procedure, or execution mode used for a task.
task method
Specifies the current status of a task.
task status
Specifies the type or category of a task.
task type
Specifies the tensile strength value assigned to a material definition, interpreted by default through the project unit specification unless a local unit is explicitly provided.
tensile strength value
Specifies the unit of a time value associated with a resource.
time unit
Specifies the total float or schedule slack value associated with a schedule control.
total float value
Specifies the local unit of a transport distance associated with a material resource when an explicit value-level unit needs to override or supplement the project unit specification.
transport distance unit
Specifies the transport distance associated with a material resource.
transport distance value
Specifies the unit price of a resource.
unit price
Specifies the planned or recorded time used by a resource.
usage time value
Specifies the utilization rate of a resource, typically expressed as a ratio or percentage.
utilization rate
Specifies the local time unit used by an hourly or periodic wage rate associated with a labor resource when an explicit value-level unit needs to override or supplement the project unit specification.
wage time unit
Specifies the number of workers represented by a labor resource.
worker count
Specifies the repeating working day pattern associated with a calendar control.
working day pattern
ISO 16739-1:2024, IfcClassification.
A classification system or taxonomy used by the project.
Classification
ISO 16739-1:2024, IfcClassificationReference.
A reference that links a structural element to a classification entry.
Classification Reference
ISO 16739-1:2024, IfcMetric.
A measurable quantity used to operationalize an indicator and assess an objective.
Metric
ISO 16739-1:2024, IfcObjective.
A project objective to be measured by one or more metrics.
Objective
ISO 16739-1:2024, IfcProject.
A project context that contains structural, analysis, classification, objective, unit, and compliance-related information.
Project
ISO 16739-1:2024, IfcUnitAssignment.
A specification that defines the default units used for quantitative values within a project context.
Unit Specification
Links a classification reference to a classification.
belongs to classification
Specifies a code or notation assigned to a classification entry or system.
classification code
Specifies the edition or version identifier of a classification system.
classification edition
Specifies the name of a classification system.
classification name
Specifies the publisher or issuing organization of a classification system.
classification publisher
Specifies the URI or web identifier of a classification system.
classification URI
Specifies an external identifier used to trace an instance back to a source model, document, or system.
external identifier
Links a structural element to a classification reference.
has classification reference
Links a project to an objective.
has objective
Links a project to the default unit specification used to interpret quantitative values in the project context.
has unit specification
Links an objective to a metric.
is measured by
Specifies a code assigned to a metric.
metric code
Specifies the method, rule, or procedure used to determine a metric.
metric method
Specifies the unit used by a metric.
metric unit
Specifies the value type of a metric, such as scalar, ratio, percentage, count, or boolean.
metric value type
Specifies the priority level assigned to an objective.
objective priority
Specifies the textual statement of an objective.
objective text
Specifies the type or category of an objective, such as sustainability, cost, schedule, or compliance.
objective type
Specifies a code assigned to a project.
project code
Specifies the name of a project.
project name
Specifies the code of a classification reference assigned to an element.
reference code
Specifies a descriptive statement associated with a classification reference.
reference description
Specifies the edition or version associated with a classification reference.
reference edition
Specifies the location path, section, or hierarchical position of a classification reference within a classification system.
reference location
Specifies the title or heading associated with a classification reference.
reference title
Specifies the URI or web identifier associated with a classification reference.
reference URI
Specifies the ordinal position of a task or analysis step within a sequence.
sequence index
Specifies the source system or source dataset from which an instance is derived.
source system
Specifies the target date by which an objective is intended to be achieved.
target date
Specifies the unit associated with a target value.
target unit
Specifies the target value associated with an objective or metric.
target value
Links a project to a classification system.
uses classification
ISO 14044:2006, goal and scope definition; ISO 15686-5:2017, period of analysis for life-cycle costing.
A goal-and-scope setting that states the functional unit, system boundary, study period, allocation method, cut-off rule, and data-quality context used for a life-cycle sustainability assessment.
Assessment Scenario
ISO 21678:2020, indicators and benchmarks; ISO 21931-2:2019, benchmarks or levels of performance.
A reference level or benchmark used to interpret an indicator or criterion.
Benchmark
An activity that checks a criterion and produces a compliance result.
Compliance Check
A criterion used to assess whether a compliance requirement is satisfied.
Compliance Criterion
ISO 37301:2021, compliance obligations.
A compliance obligation that shall be satisfied and may be specified by indicators and criteria.
Compliance Requirement
The result produced by a compliance check.
Compliance Result
A compliance result indicating that the checked criterion is satisfied.
Compliant Result
A life cycle stage covering on-site construction and installation processes.
Construction Stage
UNEP/SETAC, Guidelines for Social Life Cycle Assessment of Products.
A stakeholder category representing consumers or end users relevant to social life-cycle assessment.
Consumer Stakeholder Category
A sustainability aspect related to economic performance.
Economic Aspect
A sustainability indicator used to assess economic performance.
Economic Indicator
A life cycle stage covering deconstruction, disposal, recovery, or recycling processes.
End-of-Life Stage
A sustainability aspect related to environmental performance.
Environmental Aspect
A sustainability indicator used to assess environmental performance.
Environmental Indicator
ISO 15392:2019, technical and functional performance; ISO 21931-2:2019, technical and functional characteristics and functional equivalent.
Technical and functional performance considered as a reference condition for sustainability assessment.
Functional Technical Performance
ISO 14044:2006, life cycle inventory analysis.
A quantified input, output, emission, waste, or other inventory flow associated with a task and used in life cycle inventory analysis.
Inventory Flow
ISO 15686-5:2017, life-cycle costing and period of analysis.
A cost item occurring over a defined period of analysis and contributing to life-cycle costing.
Life-Cycle Cost Item
ISO 15686-1:2011, life-cycle stages; ISO 15392:2019, life cycle of construction works.
A stage in the life cycle of a construction work to which indicators or performances may relate.
Life Cycle Stage
A stakeholder category representing local communities affected by the product system or constructed asset.
Local Community Stakeholder Category
A compliance result indicating that the checked criterion is not satisfied.
Noncompliant Result
ISO 9000:2015, nonconformity; ISO 37301:2021, nonconformity and corrective action.
A non-fulfilment of a requirement identified during a compliance check.
Nonconformity
A compliance result indicating that a valid assessment cannot be established from the available evidence.
Not Assessable Result
A compliance result indicating that the checked criterion is only partly satisfied.
Partially Compliant Result
ISO 21931-1:2022, framework for assessing environmental, social and economic performance; ISO 21931-2:2019, framework for assessing environmental performance.
Performance relevant to sustainability assessment and related technical-functional reference conditions.
Performance
A life cycle stage covering product-related processes before construction.
Product Stage
A sustainability aspect related to social performance.
Social Aspect
A sustainability indicator used to assess social performance.
Social Indicator
A stakeholder category representing society-level concerns relevant to social life-cycle assessment.
Society Stakeholder Category
UNEP/SETAC, Guidelines for Social Life Cycle Assessment of Products, stakeholder categories.
A category of stakeholders used to scope and interpret social life-cycle assessment issues and indicators.
Stakeholder Category
ISO 15392:2019, sustainability in buildings and civil engineering works; ISO 21929-1:2011, sustainability indicators framework.
An aspect of sustainability relevant to the assessment of construction works, typically environmental, social, or economic.
Sustainability Aspect
ISO 21929-1:2011, framework for sustainability indicators and core indicators for buildings.
An indicator used to assess a sustainability aspect across one or more life cycle stages.
Sustainability Indicator
ISO 21931-1:2022, sustainability performance framework; ISO 21931-2:2019, environmental performance framework.
Performance related to the environmental, social, or economic assessment of a construction work.
Sustainability Performance
A life cycle stage covering use, operation, maintenance, and related service life processes.
Use Stage
A stakeholder category representing suppliers and other value-chain actors relevant to social life-cycle assessment.
Value Chain Actor Stakeholder Category
A stakeholder category representing workers or employees affected by the product system or constructed asset.
Worker Stakeholder Category
Links a social indicator to the stakeholder category that the indicator addresses.
addresses stakeholder category
Specifies the allocation method adopted by the assessment scenario.
allocation method text
Specifies a textual statement describing the applicability conditions of a compliance criterion.
applicability text
Links an indicator to a life cycle stage.
applies to life cycle stage
Relates a compliance criterion to the structural item to which it applies.
applies to structural item
Specifies the name of the assessment method used to establish a sustainability performance value.
assessment method name
Specifies the source from which a benchmark value is derived.
benchmark source
Specifies the local unit of a benchmark value when an explicit value-level unit needs to override or supplement the project unit specification.
benchmark unit
Specifies the scalar value of a benchmark used for interpretation or comparison.
benchmark value
Specifies the date and time at which a compliance check is performed or recorded.
check date time
Relates a compliance check to the compliance criterion that it checks.
checks criterion
Specifies the clause number or clause identifier from which a requirement or criterion is derived.
clause identifier
Specifies the comparison operator used in a compliance criterion, such as <=, >=, =, <, or >.
comparison operator
Specifies the status of a compliance result, such as compliant, noncompliant, partially compliant, or not assessable.
compliance status
Links an inventory flow to an environmental indicator or impact category to which it contributes.
contributes to impact category
Specifies a textual statement describing a corrective action proposed or taken for a nonconformity.
corrective action text
Specifies the currency in which a life-cycle cost item is expressed.
cost currency
Specifies the year in which a life-cycle cost item occurs within the period of analysis.
cost occurrence year
Specifies the type of a life-cycle cost item, such as initial, operation, maintenance, replacement, or end-of-life cost.
cost type
Specifies the quantified value of a life-cycle cost item.
cost value
Specifies the textual expression of a compliance criterion.
criterion expression
Specifies an identifier assigned to a compliance criterion.
criterion identifier
Specifies the cut-off rule adopted by the assessment scenario.
cut-off rule text
Specifies a qualitative description of the data quality assumptions adopted by the assessment scenario.
data quality description
Links a sustainability performance value, especially an economic performance value, to the life-cycle cost items from which it is derived.
derives from cost item
Links a sustainability performance value to the inventory flow data from which it is derived.
derives from inventory flow
Specifies the discount rate adopted for life-cycle costing analysis.
discount rate value
Relates a compliance check to the performance that it evaluates as evidence.
evaluates performance
Specifies a reference to supporting evidence used in a compliance check.
evidence reference
Specifies whether an inventory flow is an input, output, emission, waste, or other directed flow.
flow direction
Specifies the name of an inventory flow.
flow name
Specifies the data source, dataset, or provenance statement for an inventory flow.
flow source text
Specifies the unit used to quantify an inventory flow.
flow unit
Specifies the quantified value of an inventory flow.
flow value
Specifies the numeric quantity of the functional unit used by the assessment scenario.
functional unit quantity
Specifies the textual description of the functional unit or functional equivalent used by the assessment scenario.
functional unit text
Specifies the unit associated with the functional unit quantity.
functional unit unit
Links a project to the assessment scenario that defines the goal-and-scope conditions of a life-cycle sustainability assessment.
has assessment scenario
Links an indicator to a benchmark.
has benchmark
Links a compliance requirement to a compliance criterion.
has criterion
Links a sustainability aspect to a sustainability indicator.
has indicator
Links a task to an inventory flow used in life cycle inventory analysis.
has inventory flow
Links a project to a life-cycle cost item considered in life-cycle costing.
has life-cycle cost item
Links an indicator to a performance.
indicates performance
Specifies a code or short identifier for a sustainability indicator.
indicator code
Specifies the name of a sustainability indicator.
indicator name
Specifies the local unit used by a sustainability indicator when an explicit value-level unit needs to override or supplement the project unit specification.
indicator unit
Links a compliance result to a performance basis.
is based on performance
Links a compliance criterion to a compliance check.
is checked by
Links a life-cycle cost item to the resource to which the cost refers.
is cost of resource
Links a life-cycle cost item to the task that gives rise to the cost.
is cost of task
Links a sustainability indicator to a compliance requirement that it specifies.
is specified by
Links a project to a compliance requirement.
is subject to requirement
Specifies a code assigned to a nonconformity.
nonconformity code
Specifies a textual description of a nonconformity.
nonconformity text
Links a task, inventory flow, life-cycle cost item, or other assessment element to the life-cycle stage in which it occurs.
occurs in life-cycle stage
Links an indicator to a metric.
operationalizes
Specifies the date associated with a reported performance value.
performance date
Specifies the local unit of a performance value when an explicit value-level unit needs to override or supplement the project unit specification.
performance unit
Specifies the scalar value of a reported performance.
performance value
Specifies the discounted present value assigned to a life-cycle cost item.
present value
Links a compliance check to a compliance result.
produces compliance result
Specifies the explanatory rationale associated with a compliance result.
rationale text
Specifies the document in which a requirement or criterion is stated.
reference document
Specifies the version or edition of the reference document used for a requirement or criterion.
reference version
Links a performance to a life cycle stage.
relates to life cycle stage
Links a compliance check to a nonconformity.
reports issue
Specifies an identifier assigned to a compliance requirement.
requirement identifier
Specifies the textual statement of a compliance requirement.
requirement text
Specifies the residual or terminal value associated with a life-cycle cost item at the end of the period of analysis.
residual value
Specifies an interpretative statement associated with a compliance result.
result interpretation
Specifies the name or short designation of an assessment scenario.
scenario name
Specifies the social subcategory or issue addressed by a social indicator.
social subcategory text
Specifies a code or short identifier for a life cycle stage.
stage code
Specifies a textual description of the scope or interpretation of a stakeholder category in the assessment.
stakeholder scope text
Specifies the unit of the period of analysis, such as year or month.
study period unit
Specifies the numeric period of analysis used for life-cycle costing or other time-based assessment.
study period value
Specifies the textual statement of the system boundary used by the assessment scenario.
system boundary text
Specifies the technical or functional assessment method used to establish a functional or technical performance value.
technical assessment method
Specifies the local unit of a threshold value when an explicit value-level unit needs to override or supplement the project unit specification.
threshold unit
Specifies the scalar threshold used in a compliance criterion for comparison.
threshold value
Specifies an uncertainty statement associated with an inventory flow.
uncertainty text
Links a compliance criterion to a benchmark.
uses benchmark