Grand Paris Express Lines 14/15/16/17/18 — Soletanche Bachy + Bouygues TP + Eiffage IRIS.
Cross-border deep-foundation workforce mobilisation against Société des Grands Projets (SGP) Grand Paris Express — Line 14 South (Bouygues TP + Soletanche Bachy), Line 15 South T2A + T3A (Bouygues + Soletanche), Line 15 East "IRIS" consortium (Bouygues + Bessac + Soletanche + Egis + Colas Rail + Alstom, €1.087 bn + Eiffage-led €2.54 bn 15-East D&B Dec 2023), 27 Herrenknecht TBMs.
Request Technical BriefingRegulator exposure profile
- SGP référentiel + Eurocode 728%
- CIBTP + BTP CCN PC 12426%
- URSSAF + Décret 2025-133824%
- CARSAT IDF + OPPBTP + AFTES22%
Cert overlays change with the strata.
Grand Paris Express bored-pile + parois-moulées execution under NF P 94-282 + Eurocode 7 (NF EN 1997). AFTES recommandations on tunnel works. CARSAT Île-de-France + OPPBTP for site H&S oversight.
▲ Ground level
-
Made ground / fill 0-3m
NF X 46-010 SS3/SS4 (asbestos screening)
- NF X 46-010 SS3/SS4
- TRA 1531-x
-
Sable de Fontainebleau 3-15m
Bentonite-supported diaphragm wall
- NF P 94-282
- NF EN 1538
-
Calcaire de Saint-Ouen / marnes 15-25m
Casing-supported bore
- Qualibat 1552
-
Craie campanienne 25m+
Final bearing layer
- NF P 94-262 piles
▼ Pile toe · bearing layer
Named projects in this jurisdiction
- Grand Paris Express Line 14 South tunnel package (Bouygues TP + Soletanche Bachy) Bouygues TP + Soletanche Bachy
- GPE Line 15 South T2A + T3A packages (Bouygues + Soletanche) Bouygues TP + Soletanche Bachy
- GPE Line 15 East "IRIS" consortium (Bouygues + Bessac + Soletanche + Egis + Colas Rail + Alstom, €1.087 bn 15-East-2) IRIS consortium
- GPE Line 15 East D&B Eiffage-led (€2.54 bn, awarded Dec 2023) Eiffage-led 2023
- 27 Herrenknecht TBM fleet (23 EPB + 4 Variable-Density, 7.7-9.8 m diameter, ~100 km tunnels) Herrenknecht for SGP
France’s deep-foundation market centres on Grand Paris Express (Société des Grands Projets) — the largest infrastructure project in Europe. Soletanche Bachy, Bouygues TP, Eiffage TP, and the IRIS consortium dominate Line 14 / 15 / 16 / 17 / 18 packages. Herrenknecht supplies the TBM fleet.
01. Pre-pricing — PC 124 BTP + CIBTP
Deep-foundation workforce at PC 124 BTP N1P1 €1,843 monthly floor (2026). CIBTP Congés 20.70% national; Intempéries 0.68% gros œuvre. Where reinforcement-cage welding crosses into EN ISO 9606-1 scope, Convention Métallurgie picks up the metalworking-trade portion.
02. SIPSI + A1 + NF X 46-010 SS3/SS4 (asbestos)
A1 + French-language contract + SIPSI déclaration predate site arrival. The asbestos layer triggers per-site where pre-1980 fill is encountered (common in Île-de-France): NF X 46-010 SS3/SS4 competency on affected crews, DUERP-Amiante documentation. CARSAT Île-de-France + OPPBTP H&S oversight.
03. CIBTP + Constructys + AFTES onboarding
Civil-trade portion at CIBTP 20.70%. AFTES tunnel-trade competency where applicable.
04. URSSAF + DREETS-defensible evidence pack
Standard FR profile + SGP framework-agreement reconciliation. Minimum pack: SEPA-traceable remuneration, SIPSI, Carte BTP, A1, NF X 46-010 SS3/SS4 record where asbestos-encountered, AFTES competency per tunnel-trade worker.
05. India and Gulf sourcing corridors — the FR deep-foundation pathway
Indian deep-foundation pool delivers L&T-trained bored-pile rig operators + Gammon India diaphragm-wall crews. Gulf corridor reaches Bauer Middle East / Saudi Binladin foundation pools.
The 8 to 14-week corridor lead-time activates against the SGP Lines 14 / 15 / 16 / 17 / 18 packages.