OfertariumWhat you will see after registration
Documents to submit
- ✓Bid form — attachment no. 1
- ✓Declaration of non-exclusion
- ✓List of supplies from the last 3 years
- ✓Liability insurance — min. 120 000 €
- ✓Proof of bid bond payment
- ✓Power of attorney, if signed by an agent
AI warnings from documentation
- ❗Bid bond 3 500 € — payment before submission deadline
- ⚠Required 2 references after min. 90 000 €
- ⚠Completion deadline 30 days from signing
- ⚠Mandatory site visit — rejection if missed
- ✓No ISO certificate requirement
Budget and competition
3median number of bids
24%tenders with one bid
- ✓Amount from bid opening for this buyer
- ✓Who won there before and for how much
- ✓Suggested price range based on data
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Portugal – Railway construction – Contract - Sines Line - 3rd Phase - Execution
TED Infraestruturas de Portugal, SA
COUNTRYPortugal
SUBMISSION DEADLINE21.09.2026
PUBLISHED13.08.2026
INDUSTRYConstruction work
SUBJECT OF THE CONTRACT
Modernization of railway infrastructure on the Sines line (3rd phase), including renovation of technical buildings (signaling, telecommunications, electrical installations, HVAC, ITED), replacement of a viaduct span, construction of labyrinths at railway crossings, execution of a feeder line, and installation of traction power return, grounding, and protection systems.
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Before you leave
Similar tenders closing soon
In this sector (Construction work) bids can still be submitted in 18 procedures — deadlines within 14 days.
This buyer in the last 12 months
Infraestruturas de Portugal, SA: 58 notices.
Most frequent winners: CONSTRUÇOES JJR & FILHOS, S.A. (3), Intevial - Gestão Integral Rodoviária, … (3), PORSOLRAIL-ENGENHARIA, CONSTRUÇÃO, PROD… (3).
Most frequent winners: CONSTRUÇOES JJR & FILHOS, S.A. (3), Intevial - Gestão Integral Rodoviária, … (3), PORSOLRAIL-ENGENHARIA, CONSTRUÇÃO, PROD… (3).
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