France – Ouvrages d'art et de génie civil – Sanef - Confortement d'ouvrages de traversées hydrauliques (OTH) - 2025/2026 Lot n°7 : A1 - Travaux de réhabilitation de l'ouvrage de traversée hydraulique - PR75

DeadlineJune 3, 2026 at 11:00 AM13 days left

AI summary

This tender concerns the rehabilitation of a hydraulic crossing structure (double steel pipe, 1600 mm diameter) beneath the A1 motorway at kilometer point 75. Works include cleaning, relining the steel pipe, and repairing associated structures affected by corrosion, scour damage, and degraded masonry.

#hydraulic structures#steel pipe relining#motorway infrastructure#corrosion repair#civil engineering#france#sanef
Fit for

Construction companies or civil engineering specialists with proven experience in motorway infrastructure rehabilitation and hydraulic works should bid.

Key requirements

Contractors must have expertise in hydraulic structure rehabilitation, steel pipe relining, and civil works under motorway infrastructure. Experience with corrosion mitigation and scour repair is essential.

Frequently asked questions

  • What is this tender about?

    This tender concerns the rehabilitation of a hydraulic crossing structure (double steel pipe, 1600 mm diameter) beneath the A1 motorway at kilometer point 75. Works include cleaning, relining the steel pipe, and repairing associated structures affected by corrosion, scour damage, and degraded masonry.

  • What are the requirements for suppliers?

    Contractors must have expertise in hydraulic structure rehabilitation, steel pipe relining, and civil works under motorway infrastructure. Experience with corrosion mitigation and scour repair is essential.

  • What type of company should bid?

    Construction companies or civil engineering specialists with proven experience in motorway infrastructure rehabilitation and hydraulic works should bid.

  • Who is the buyer?

    The buyer is SANEF.

  • When does this tender close?

    Submissions close on June 3, 2026.

  • What is the estimated value?

    The estimated value is 0 EUR.

Le réseau autoroutier SANEF est équipé de nombreux ouvrages de traversée hydraulique. L'un d'entre eux situé sous l'autoroute A1, à hauteur du point kilométrique 75 est constitué d'un double busage en acier de diamètre 1600 mm en passage inférieur vis-à-vis de la section courante. Cet ouvrage étant en acier, il est attaqué par la corrosion. Il est également mis en évidence des problèmes de déversement et de corrosion feuillante des palplanches associées à cet ouvrage ainsi qu'en aval de l'ouvrage, la présence d'affouillements et de maçonneries dégradées Il s'agira donc de nettoyer l'ouvrage, puis de réhabiliter l'ouvrage par chemisage et de procéder à des opérations de réparation pour les ouvrages associés à l'OTH.

Buyer
SANEF
Buyer ID: 63205001900447
30 bd Gallieni Le Crossing, 92130, Issy les moulineaux
Body responsible for review procedures
Tribunal Judiciaire de Nanterre
Buyer ID: 177 801 115 00151
171-191 Avenue Juliot Curie, 92020, NANTERRE

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