Kontaktledning/Bearbeidede stål og aluminiumsdeler

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These specifications apply to the production and delivery of processed steel and aluminum parts for overhead contact line systems to Bane NOR SF (hereinafter referred to as BN in this document) in connection with the conclusions of one or more framework agreement(s). Scope of delivery is defined in this documents 🔗 Appendix.

Requirements given in this document must be followed when purchasing «processed steel and aluminum parts» for overhead contact line systems belonging to BN.


In this chapter the requirements to the relevant components are defined in three main sections:

  • General requirements
  • Technical requirements
  • Requirements to documentation/tests

If some general and technical requirements or requirements for documentation and testing is increasing the costs compared with the tenders evaluation/assessment of the requirements utility, we request special response on this in accordance with the tender documentation.

2.1 General requirements

2.1.1 Drawings and casting molds

BN owns the rights to all attached drawings. For all parts that are to be cast, the supplier shall in its tender give a price for transfer of the molds to BN, or a rental agreement for the molds. In the case of a rental agreement, BN shall have 1st priority when using the molds. The supplier shall, if BN so wishes, store molds in a suitable manner without damageing them.

2.1.2 Corrosion

  1. The materials selected shall be resistant to corrosion.
  2. Steel parts shall be protected by hot-dip galvanizing.
  3. The supplier shall assess whether corrosion protection beyond this is necessary.
  4. If additional protection against corrosion is required to achieve the specified service life, this shall be stated and priced in the offer.

2.1.3 Metal coating / surface finish

  1. According to the drawing, steel components shall be hot-dip galvanized in accordance with [NS-EN ISO 1461].
  2. The zinc to be added to the bath shall have a purity of at least 98% zinc.

2.1.4 Protection of product assembly workers

There shall be no sharp edges, zinc drips and the like that can cause injury to product assembly workers.

2.1.5 Labelling

Each of the components shall be labelled with the date of manufacture, type of material, the manufacturer's company name and catalog number, easily visible and of such a quality that the labelling does not disappear or weaken the construction. Equal components with different dimensions must be clearly labeled. The supplier can alternatively come up with proposals for labelling components.

2.1.6 Tolerances

  1. Permissible deviation, the tolerance, for each individual component shall be within the limit stated in the component's associated drawings.
  2. If deviations / tolerances are not stated on the drawing, requirements in associated national or international standards shall be used.

2.1.7 Special tools

It shall not be necessary to use special tools for assembly / connection. For components that may need special tools for assembly / connection, this must be stated in the tender delivery. Special tools shall be manufactured / provided by the supplier and shall be included in the offer. If necessary, the supplier shall create procedures for the use of special tools.

2.1.8 Welding

  1. Welding shall be performed in accordance with [NS 470] welding class B.
  2. Procedures shall be qualified in accordance with [NS-EN 288].
  3. Welders must be certified in accordance with [NS-EN 287].

2.1.9 Storage and transport

The supplier shall pack the components in such a way that no damage to the components shall occur during handling and transportation.

2.1.10 Recycling and destruction of components

  1. The supplier shall state in the tender whether there are environmentally hazardous materials / substances in the products, and if so, how these are to be handled both during use and upon disposal.
  2. The supplier shall check the raw material / product against radioactive particles and radiation. The amount of radioactivity and cadmium must be within the limits permitted by national and international standards and legislation.

2.2 Technical requirements

2.2.1 Materials

  1. Materials of steel and aluminum shall meet the requirements specified in the drawings. Each of the cast materials shall be documented with a material certificate type 3.1.B in accordance with [NS-EN 10204] together with a copy of the certificate for the starting material. The certificate must contain information about:
    • Manufacturer
    • Chemical composition
    • Results of tests
    • Heat treatment
  2. For steel, the following additional requirements shall be met:
    • The carbon equivalent (CEV) shall meet the requirement in table 4 in [EN 10025]
    • The steel shall be fully sealed
    • The material shall be suitable for hot-dip galvanizing.

2.2.2 Construction

The components shall be produced in accordance with the attached drawings.

For more information, refer to the attached drawings.

2.3 Documentation / Tests

2.3.1 Documentation

  1. Documentation shall be stored and archived by the supplier in a systematic manner so that traceability between components and associated documents is ensured.
  2. The supplier shall keep documents in a suitable place for ten years. The documents should be available to BN on request.
  3. Documents to be used in connection with BN's performance of work shall be in Norwegian. English can be accepted in special cases.

2.3.2 Documentation for manufacturing quality control

In connection with the manufacture of components, the supplier shall follow a quality plan that describes the main activities in connection with the manufacture, including the supplier's proposed tests. The quality plan shall provide reference to specifications and standards.

2.3.3 Tests

  1. The supplier shall prepare proposals for test procedures that are delivered together with the tender. Each procedure shall describe the test method, execution, acceptance criteria and scope and shall provide reference to recognized national or international standards.
  2. Destructive tests shall be performed for certain components. Proposals for destructive tests must be submitted by tender.
  3. «Control of vital measures» and «material tests» shall be performed on a random basis.
  4. Tests shall be performed in accordance with Norwegian or international standards where they exists. Standards used must be stated when submitting a tender. The tests should include at least the following areas:
    • Verification of welded products
    • Non-destructive testing of components
    • Destructive testing of components
    • Dimension control
    • Inspection of coatings shall be carried out in accordance with [NS- EN ISO 1461]
  5. The test procedures shall be divided into three levels:
    • Type test (to be conducted before delivery starts)
    • Random test
    • Routine test

2.3.4 Additional requirements for delivery

Technical specifications for overhead contact line material are divided according to the material of the components. Some components in connection with a technical specification shall nevertheless be delivered as a complete composite component consisting of several sub-components with different materials. It appears from the description of F.nr. and drawing no. in point for 🔗 scope of delivery when such composite components are to be delivered.

If a sub-component consisting of material other than the relevant technical specification is mainly to be delivered, as part of a composite component, this sub-component shall be delivered in accordance with requirements given in the detailed drawing for the sub-component where such a detailed drawing exists. Any detailed drawing for a component of material other than the relevant technical specification shall be enclosed in the technical specification for the relevant material.

Some components shall be delivered both as part of a composite component and as a separate sub-component. What is to be delivered is stated in items in the list for 🔗 scope of delivery.

2.3.5 Documents The following documents shall be kept with the supplier and delivered at BN's request:

  1. Random sample-based test protocols
  2. Traceability protocol (spesified in standards, containing batch information, containing material traceability, etc.)
  3. Material certificates The following documents shall be included in the offer:

  1. Copy of the supplier's quality manual and quality plan
  2. Copy of examples of material certificate(s)
  3. Copy of examples of type test certificate(s)
  4. Copy of procedures for routine test / final control protocol
  5. Suggested maintenance instructions if applicable. The description shall be in Norwegian. English can be accepted in special cases
  6. Copy of checklist, 🔗 Checklist in completed condition
  7. Copy of proposal for final inspection protocol / form
  8. Copy of other documents required in this specification

The template for the final inspection protocol must be prepared by the supplier and sent to BN for approval prior to production start.

If there are other relevant tests, standards or instructions etc. that are to be used, and which are not mentioned in the specification, this shall be pointed out by the supplier. The following documents shall accompany each delivery:

  • Routine test / final control protocol (final control form)


Standard Specifications
NS 470 Sveiste stålkonstruksjoner
NS-EN ISO 1461 Varmforsinkede belegg på produkter av jern og stål, spesifikasjoner og prøvingsmetoder(ISO 1461:1999)
NS-EN 10204 Metalliske produkter - typer av inspeksjonsdokumenter
NS-EN 10025 Varmvalsede produkter av ulegert konstruksjonsstål
NS-EN 288 Spesifisering og godkjenning av sveiseprosedyrer for metalliske materialer
NS-EN 287 Godkjenning av sveisere
NS-EN ISO 12006-3 Building construction - Organization of information about construction works - Part 3: Framework for object-oriented
NS-EN ISO 16739 Industry Foundation Classes (IFC) for data sharing in the construction and facility management industries
NS-EN ISO 29481-2 Building information models - Information delivery manual - Part 2: Interaction framework


4.1 Remarks to the scope of delivery

The drawings listed in the scope of delivery include parts that are mandatory in BN's modern overhead contact line systems as well as parts in older overhead contact line systems that are ordered on demand. Some of these parts may also be supplier dependent and as such deviate from the attached drawing(s). Hence the scope of delivery is marked as follows:

M = Mandatory
R = On request
* = Supplier dependent

This marking can occur either solely or in combination.

One or more of the drawings referred to here, in the technical specification and scope of delivery for «Processed steel and aluminum parts» are supplier dependent, other suppliers can offer their own products that have similar function, performance, construction and service life. Such products shall be approved specifically by BN. In connection with the introduction of new components, where there are no satisfactory production drawings, the supplier shall send a technical documentation of the component for approval. Documentation for approval shall include drawing in file format (pdf.files) and/or open data models (IFC.files), technical data, test reports, etc. Open data models shall be in accordance with the standards [NS-EN ISO 12006-3], [NS-EN ISO 16739] and [NS-EN ISO 29481-2]. Some components shall undergo a test period before final approval is given. Test procedures and requirements for results are determined by BN.

4.2 Scope of delivery

1. R EH-701426-000 Mellomstykke for langt endefelt
2. R EH-701465-000 Strekkfisk, system 35
3. R EH-701732-000 Gaffel for trinse og slepekull
4. R EH-701741-000 Avspenningsledd, system 35
5. R EH-701742-000 Festejern for fast-, fjær- og loddavspenning på stålmast
6. R EH-701914-000 Festejern for luftbrytere til jernmaster
7. R EH-701937-000 Festejern for isolatorkrok på stålmaster
8. R EH-702105-001 Loddføring for 1 loddsøyle på betong- og stålmaster
9. R EH-702105-002 Loddføring for 2 loddsøyle på betong- og stålmaster
10. R EH-702131-000 Festejern for tunnelutligger
11. R EH-702378-000 Støttejern for bryterledning
12. R EH-702428-000 Festejern for betjeningsmekanisme
13. R EH-702455-000 Rørklemme for hengetrådfeste til horisontalstag
14. R EH-703057-000 Bardunbolt
15. R EH-703058-000 Bardunstang med bolt (Bbs)
16. R EH-703059-000 Bardunankerstang
17. R EH-703093-000 Festejern for 1-polet kontaktledningsbryter
18. R EH-703638-000 Betjeningsmekanisme for kl-bryter
19. R EH-704304-000 Isolatortravers for 1 fl og fl på mastetopp
20. R EH-704850-000 Veivstang for bryterstang til manøvermaskin
21. R EH-705033-000 Isolatorrør for returledning, system 35
22. R EH-705035-000 Isolatorbolt for returledning
23. M EH-705036-000 Klembrett for returledning
24. R EH-705038-000 Avspenningsjern for returledning spir, stål- og betongmaster
25. R EH-705039-000 Festejern for returledningsisolator i betong- og stålmaster og spir på åk, system 35
26. M EH-705159-000 Beskyttelse for å hindre klatring i høyspentmaster
27. R EH-705162-000 Festejern for Siemens manøvermaskin i stålmast
28. M EH-705167-000 Konsoll for feste tunnelutligger type hA og hB
29. R EH-705179-000 Festejern for Siemens manøvermaskin på tremast
30. R EH-705183-000 Festejern for Siemens manøvermaskin på vegg for trangt profil
31. M EH-705192-000 Festejern for hengemast i åk
32. M EH-705193-000 Hengemast for utligger i åk
33. M EH-705196-000 Føring for avspenningsline i åk type 11
34. R EH-705283-000 Festejern for fl. isolator med pigg tegning EH-705242-000
35. R EH-705330-000 Bolt for avspenningslodder av betong, system 35
36. M EH-705338-000 Beskyttelsesskjerm, system 35
37. M EH-705339-000 Festejern for beskyttelsesskjerm, system 35
38. R EH-707005-000 Mellomstykke for avspenning
39. R EH-707006-000 Dobbelt mellomledd for loddavspenning
40. R EH-707007-000 Dobbelt forbindelsesstykke
41. R EH-707008-000 Balansearm 720/720 eller 825/615 kp
42. R EH-707011-000 Loddavspenningsgaffel
43. M EH-707013-000 Festejern for utliggerkonsoll på tremast
44. R EH-707063-000 Bolt for avspenningshjul
45. *R EH-707084-000 Lett direksjonsstag (ALM, Si 0,4), system 35
46. M EH-707095-000 Konsoll for åk, type 12, 13 og 14
47. R EH-707101-000 Plattformbjelke m/festejern for sugetrafo 600 A
48. R EH-707102-000 Plattformkonsoll for sugetrafo 600 A, B3-6 master
49. M EH-707164-000 Konsoll for ledd på [NP 108-200, system 20
50. M EH-707165-001 Seksjonskonsoll på mast av kanalstål(B-mast), sys. 20 og 25
51. M EH-707165-002 Seksjonskonsoll på mast av vinkelstål (H-mast), sys. 20 og 25
52. M EH-707165-003 Utliggerkonsoll på mast av kanalstål (B-mast), sys. 20, 25 og 35
53. M EH-707169-000 Gjenget bøyle M12/M16, system 20
54. M EH-707198-000 Lett direksjonsstag, system 20
55. M EH-707217-000 Rør for bøyd direksjonsstag, system 20
56. M EH-707248-000 Låseklave for loddstang ved loddavspenning, system 20
57. M EH-707250-000 Låsering for loddføring, system 20
58. M EH-707251-000 Hakebolt (åpen) for loddføring, system 20
59. M EH-707287-000 Strekk- og loddstenger, system 20
60. M EH-707288-000 Dobbelt mellomstykke, system 20
61. M EH-707304-001 Konsoll for loddavspenningshjul sammenstilling og montasjemål for B3-B6 mast, system 20
62. M EH-707304-002 Konsoll for loddavspenningshjul sammenstilling og montasjemål for H-mast, system 20
63. M EH-707305-001 Nedre festejern for loddføring. B-mast. Sammenstilling, system 20
64. M EH-707305-002 Nedre festejern for loddføring. H-mast, system 20
65. M EH-707306-001 Konsoll for loddavspenningshjul. B-mast 8,0 – 9,5 m, system 20
66. M EH-707306-002 Konsoll for loddavspenningshjul. H-mast 8,0 – 10,0 m, system 20
67. M EH-707307-001 Nedre festejern loddføring. B-mast 8,0 – 9,5 m, system 20
68. M EH-707307-002 Nedre festejern loddføring. H-mast 8,0 – 10,0 m, system 20
69. M EH-707311-000 Hengemast i tunnel (L< 3,6 m), system 20
70. M EH-707312-000 Bolt for kontakttrådklemme i lett direksjonsstag, sys. 20 og 25
71. M EH-707315-000 Vindsikring for lett direksjonsstag. Rettlinje og radius R≥1200 m, sys. 20
72. M EH-707324-000 Føringsklemme for støpejernslodd Ø 203, system 20
73. M EH-707344-000 Justeringslask for loddavspenningshjul, system 20
74. R EH-707438-000 Konsoll for sugetransformator 600 A, tegning EH-707440-000
75. R EH-707439-001 Plattformbjelke med festejern for sugetransformatorer. Arr. EH-707440-000
76. R EH-707439-002 Sikringsjern for sugetransformatorer. Arr. EH-707440-000
77. R EH-707439-003 Travers for sugetransformatorer. Arr. EH-707440-000
78. R EH-707443-000 Festejern for 1 kV bryterskap, tegn. EH-705336-000 i B3-mast 8,0 m til 9,5 m
79. M EH-707488-000 Rør for bøyd direksjonsstag, system 25
80. M EH-707495-000 Festejern for utliggeråk type 12
81. M EH-707496-000 Føring av avspenningsline i åk type 12
82. M EH-707497-000 Føring av avspenningsline i åk type 14
83. M EH-707508-000 Avstivning av utliggeråk. Festejern på åkunge. Utliggeråk
84. M EH-707509-000 Avstivning av utliggeråk. Festejern på mast. Utliggeråk
85. M EH-800077-000 Kontaktledningsanlegg, åk type 40, festejern for hengemast i åk type 40
86. M EH-800079-000 Kontaktledningsanlegg. Åk type 40. Konsoll for feste til mast
87. M EH-800103-000 Kontaktledningsanlegg. Konsoll for ulike avspenningstyper på bjelkemast type HEB. System 20 og 25
88. M EH-800104-000 Kontaktledningsanlegg seksjonskonsoll på bjelkemast type HEB. System 20, 25 og 35
89. M EH-800105-000 Kontaktledningsanlegg. Nedre festejern for loddføring på bjelkemast type HEB 200-280. System 20 og 25. Standard A og B
90. M EH-800106-000 Kontaktledningsanlegg. Konsoll for åk type 12 og 14 montert på bjelkemast HEB 200-280
91. M EH-800107-000 Kontaktledningsanlegg. Utliggerkonsoll for ledd på bjelkemast type HEB 200–280. System 20, 25 og 35
92. M EH-800108-000 Kontaktledningsanlegg. Brakett for feste av aluminiumstravers EH-800110-000 til topp av stålmast
93. M EH-800111-000 Kontaktledningsanlegg. Strever for aluminiumsprofil montert på bjelkemast


  1. The supplier shall develop a checklist for compliance of the requirements described in this technical specification.
  2. This checklist shall contain a declaration of compliance or non-compliance of each requirement.
  3. If the requirement is non-compliant, it shall be described why the requirement is non-compliant and an explanation of what the supplier recommend for a sufficient requirement to comply the component's function.