SUEWS parameter database

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Material — Concrete Tiles evidence record

albedo0.2
emissivity0.9
thermal_conductivity1.1
specific_heat837
materialsIntegrated Environmental Solutions Limited 2011

Parameters

Names follow the SUEWS YAML specification; click one for its definition in the configuration reference.

Labelled fields override the record-level citation or scope; unlabelled fields use the record metadata.

albedo0.2 unreferenced
emissivity0.9 unreferenced
thermal_conductivity1.1
specific_heat837
density2100

Provenance evidence

Awaiting sign-off

Published value · assessed by provenance-audit · 2026-08-25. Agent assessment is evidence preparation, not human verification.

Apache-Tables User Guide: IES Virtual Environment 6.4Parameter source

Applies to: parameters.thermal_conductivity, parameters.specific_heat, parameters.density

Where: Table 6, Concrete Tiles row, p. 19

Publishes thermal conductivity 1.100 W m-1 K-1, specific heat 837 J kg-1 K-1 and density 2100 kg m-3. The guide's optical table gives a different albedo and does not support the stored pair.

SUEWS database pre-migration workbook: database.xlsxLater compilation

Where: Pre-migration Spartacus Material row 36248164

Stores the same complete tuple under Ref 99240099, whose registry entry says Missing, reference. This establishes release and migration lineage only.

Assessment findings

Namesupported
The IES table and historical catalogue both identify the material as Concrete Tiles.
Targetsupported
Both sources describe thermophysical material properties used by a building-energy model.
Valuessupported
IES Table 6 publishes the exact thermal tuple 1.10/837/2100. The optical pair 0.20/0.90 is retained from the migrated row only and is explicitly exported as unreferenced and assumed.
Sourcesupported
IES is the effective source only for thermal conductivity, specific heat and density. Field-level metadata prevents that citation from being extended to the unsupported albedo and emissivity.
issue #270
Placenot applicable
The generic material row makes no observation-place claim.
Representativenessnot applicable
The generic material row makes no site, city or regional evidence-reach claim.
Methodsupported
Literature applies to the three IES-supported thermal leaves. Canonical overrides mark both optical leaves as assumed.
Identitysupported
Legacy ID 36248164 identifies the retained catalogue row. Correcting field-level provenance does not change the stable path, values or concrete-tile identity.

Scientific note

This correction uses field-level provenance to represent the evidence boundary rather than treating a missing optical citation as a blocker for the supported thermal tuple. No checked source states albedo 0.20 and emissivity 0.90 together for the same concrete-tile row; IES instead gives solar absorptivity 0.65, corresponding to albedo 0.35. The stored optical values therefore remain explicit unreferenced assumptions. No parameter value or stable identity changes.

Model-ready fragment

Paste under material in a SUEWS YAML configuration; every value carries its citation.

albedo:
  value: 0.2
  ref:
    ID: unreferenced
    DOI: null
    desc: null
emissivity:
  value: 0.9
  ref:
    ID: unreferenced
    DOI: null
    desc: null
thermal_conductivity:
  value: 1.1
  ref:
    ID: ies2011-apache-tables
    DOI: null
    desc: null
specific_heat:
  value: 837
  ref:
    ID: ies2011-apache-tables
    DOI: null
    desc: null
density:
  value: 2100
  ref:
    ID: ies2011-apache-tables
    DOI: null
    desc: null

Evidence review

Awaiting sign-offSign off evidence on GitHub

Raises a prefilled sign-off issue. CI accepts it only when the issue author is in the verifier registry and the evidence revision is still current.

Review procedure

Record metadata

Targetmaterial
Schema2026.5 · legacy row 36248164

Used by 1 typology

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