| # OpenConstructionEstimate — Poland / Warsaw
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| **Construction Work Items, Components & Resources**
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| ---
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| | Property | Value |
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| |---|---|
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| | Reference region | Poland / Warsaw |
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| | ISO country | PL |
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| | Language | `pl` |
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| | Currency | `PLN` (ISO 4217) |
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| | Source track | `DE_BERLIN` (Germany / Berlin) |
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| | Generated | 2026-04-30 |
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| | Work items | 900,225 rows |
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| | Unique resources | 6,671 |
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| ## Available Formats
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| | Format | File |
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| |---|---|
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| | Parquet | `PL_WARSAW_workitems_costs_resources_DDC_CWICR.parquet` |
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| | Excel (formatted) | `PL_WARSAW_workitems_costs_resources_DDC_CWICR_FORMATTED.xlsx` |
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| | Excel (simple) | `PL_WARSAW_workitems_costs_resources_DDC_CWICR_SIMPLE.xlsx` |
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| | Catalog CSV | `DDC_CWICR_PL_WARSAW_Catalog.csv` |
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| | Catalog XLSX | `DDC_CWICR_PL_WARSAW_Catalog.xlsx` |
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| | Qdrant snapshot | `PL_WARSAW_workitems_costs_resources_EMBEDDINGS_3072_DDC_CWICR.snapshot` |
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| ## How this track was built
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| This track was generated from `DE_BERLIN` by
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| `0_Workflow and Pipelines CWICR/python/11-country-track-builder/add_country_track.py`.
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| - **Norms** (labour hours, machine hours, resource quantities) are
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| identical to the source track — Resource-Based Costing methodology
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| treats norms as country-agnostic physical first principles.
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| - **Prices** are derived via the cascade
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| `type_factors → location_factor → optional national overrides`.
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| Type factors come from OECD wage indexes (labour), construction
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| PPP (material), and ECB FX (equipment). FX snapshot date is
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| recorded in the per-resource columns.
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| - **Language** columns are translated where target language differs
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| from source. Existing tracks are used as parallel-text seeds.
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| ## Data Structure
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| 85+ columns organised into:
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| - Classification hierarchy (10 cols)
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| - Rate / work-item identifiers (11 cols)
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| - Resource decomposition (7 cols)
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| - Labour metrics (11 cols)
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| - Machinery & equipment (12 cols)
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| - Price aggregates (16 cols)
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| - Mass / service / regional markers (~18 cols)
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| See the repository-level [DATA_DICTIONARY.md](../DATA_DICTIONARY.md)
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| for the complete column-by-column reference.
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| ## Qdrant collection
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| Vector index built from concatenated localised text fields,
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| encoded with OpenAI `text-embedding-3-large` (3072-dim, cosine).
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| ```bash
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| qdrant-client snapshot upload \
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| --collection ddc_pl_warsaw \
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| --snapshot PL_WARSAW_workitems_costs_resources_EMBEDDINGS_3072_DDC_CWICR.snapshot
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| ```
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| ## Licence
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| Same as the parent dataset: CC BY 4.0 for data, see
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| [LICENSE-DATA.txt](../LICENSE-DATA.txt). Code: see
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| [LICENSE-CODE.txt](../LICENSE-CODE.txt).
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