# CPV 45231221-0: Gas supply mains construction work

Official label (Regulation (EC) No 213/2008):

- EN: Gas supply mains construction work
- PT: Construção de condutas de gás
- ES: Trabajos de construcción de redes de suministro de gas
- FR: Travaux de construction de canalisations d'alimentation en gaz

In the tree:
- 45000000-7 Construction work (https://trinta.ai/cpv/45000000)
- 45200000-9 Works for complete or part construction and civil engineering work (https://trinta.ai/cpv/45200000)
- 45230000-8 Construction work for pipelines, communication and power lines, for highways, roads, airfields and railways; flatwork (https://trinta.ai/cpv/45230000)
- 45231000-5 Construction work for pipelines, communication and power lines (https://trinta.ai/cpv/45231000)

Portuguese market, January to July 2026: 1 contract signed under this code, €38.5k contracted. Counted from the open contract register, all procedure types.

Who buys under it in Portugal (by NIF, contracts in the period):
- Município de Chaves (501205551): 1

French market, January to July 2026: 4 marchés notified under this code, €806k in notified amounts (framework ceilings included). Counted from the DECP consolidated files, deduplicated, all procedure types.

Who buys under it in France (by SIRET, marchés in the period):
- VIALIS (45127984800019): 3
- INSTITUT NATIONAL DES SCIENCES APPLIQUEES DE TOULOUSE (INSA) (19310152400018): 1

Market: Construction and public works (https://trinta.ai/tenders-by-sector/construction)

Source: https://trinta.ai/cpv/45231221 · All codes: https://trinta.ai/cpv