Forth Road Bridge steelwork (contractor)
E669633
Forth Road Bridge steelwork (contractor) refers to the major steel construction contract for the Forth Road Bridge in Scotland, carried out by the renowned engineering firm Sir William Arrol & Co.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Forth Road Bridge steelwork (contractor) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7525607 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Forth Road Bridge steelwork (contractor) Context triple: [Sir William Arrol & Co., notableWork, Forth Road Bridge steelwork (contractor)]
-
A.
Forth Road Bridge (north end)
Forth Road Bridge (north end) is the northern terminus of the iconic suspension bridge spanning the Firth of Forth, located in the council area of Fife, Scotland.
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B.
Forth bridges
The Forth bridges are a group of iconic crossings over the Firth of Forth in Scotland, including the historic Forth Bridge rail cantilever, the Forth Road Bridge, and the Queensferry Crossing.
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C.
Forth Road Bridge
The Forth Road Bridge is a major suspension bridge in eastern Scotland that carries road traffic across the Firth of Forth, linking Edinburgh to Fife.
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D.
Staniforth Road Bridge
Staniforth Road Bridge is a road bridge in Sheffield, South Yorkshire, carrying Staniforth Road over the Sheffield and South Yorkshire Navigation canal.
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E.
Tay Road Bridge
Tay Road Bridge is a long road bridge in eastern Scotland that carries vehicular traffic across the Firth of Tay between Dundee and Fife.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Forth Road Bridge steelwork (contractor) Target entity description: Forth Road Bridge steelwork (contractor) refers to the major steel construction contract for the Forth Road Bridge in Scotland, carried out by the renowned engineering firm Sir William Arrol & Co.
-
A.
Forth Road Bridge (north end)
Forth Road Bridge (north end) is the northern terminus of the iconic suspension bridge spanning the Firth of Forth, located in the council area of Fife, Scotland.
-
B.
Forth bridges
The Forth bridges are a group of iconic crossings over the Firth of Forth in Scotland, including the historic Forth Bridge rail cantilever, the Forth Road Bridge, and the Queensferry Crossing.
-
C.
Forth Road Bridge
The Forth Road Bridge is a major suspension bridge in eastern Scotland that carries road traffic across the Firth of Forth, linking Edinburgh to Fife.
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D.
Staniforth Road Bridge
Staniforth Road Bridge is a road bridge in Sheffield, South Yorkshire, carrying Staniforth Road over the Sheffield and South Yorkshire Navigation canal.
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E.
Tay Road Bridge
Tay Road Bridge is a long road bridge in eastern Scotland that carries vehicular traffic across the Firth of Tay between Dundee and Fife.
- F. None of above. chosen
Statements (37)
| Predicate | Object |
|---|---|
| instanceOf |
construction contract
ⓘ
engineering contract ⓘ |
| appliesToStructure | Forth Road Bridge NERFINISHED ⓘ |
| associatedCompany | Sir William Arrol & Co. NERFINISHED ⓘ |
| associatedWith |
Forth Road Bridge main span
NERFINISHED
ⓘ
Forth Road Bridge side spans ⓘ Forth Road Bridge stiffening trusses ⓘ Forth Road Bridge towers NERFINISHED ⓘ Scottish trunk road network NERFINISHED ⓘ |
| bridgeCrosses | Firth of Forth NERFINISHED ⓘ |
| bridgeType | suspension bridge ⓘ |
| client | Forth Road Bridge Joint Board NERFINISHED ⓘ |
| contractorHeadquarters | Glasgow NERFINISHED ⓘ |
| contractorType | steelwork contractor ⓘ |
| countryOfContractor |
Scotland
NERFINISHED
ⓘ
United Kingdom NERFINISHED ⓘ |
| endDate | 1964 ⓘ |
| historicalPeriod |
20th century
ⓘ
post-war infrastructure expansion ⓘ |
| industry |
civil engineering
ⓘ
steel construction ⓘ |
| locatedIn |
Scotland
ⓘ
United Kingdom ⓘ |
| mainContractor | Sir William Arrol & Co. NERFINISHED ⓘ |
| material | structural steel ⓘ |
| notableFor |
large-scale bridge steelwork
ⓘ
use of high-tensile steel ⓘ |
| openingRelatedDate | 1964 ⓘ |
| partOf | Forth Road Bridge construction ⓘ |
| projectRole |
erection contractor
ⓘ
fabrication contractor ⓘ |
| region | Firth of Forth NERFINISHED ⓘ |
| relatedWork | Forth Road Bridge main contract ⓘ |
| startDate | 1960 ⓘ |
| workScope |
erection of steel superstructure
ⓘ
fabrication of steel components ⓘ major steel construction ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Forth Road Bridge steelwork (contractor) Description of subject: Forth Road Bridge steelwork (contractor) refers to the major steel construction contract for the Forth Road Bridge in Scotland, carried out by the renowned engineering firm Sir William Arrol & Co.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.