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BS 5649-2: 1978 EN 40-2 Incorporating Amendment No. 1

Specification for

Lighting columns — Part 2: Dimensions and tolerances

This European Standard EN 40-2 was given, as from 30 November 1978, the status of a British Standard and will replace the relevant requirements of BS 1308, BS 1840 and BS 3989 (see national foreword)

UDC 624.971:628.971:621.753.1

BS 5649-2:1978

Cooperating organizations The European Committee for Standardization, under whose supervision this European Standard was prepared, comprises the national standards organizations of the following Western European countries: Austria Belgium Denmark Finland France Germany Ireland Italy Netherlands Norway Portugal Spain Sweden Switzerland United Kingdom

This British Standard was published under the authority of the Executive Board on 30 November 1978 © BSI 09-1999 The following BSI references relate to the work on this standard: Committee reference RDB/28 Draft for comment 74/41655DC ISBN 0 580 10403 6

Österreichisches Normungsinstitut Institut Belge de Normalisation Dansk Standardiseringsraad Suomen Standardisoimisliitto, r.y. Association Française de Normalisation Deutsches Institut für Normung E.V. Institute for Industrial Research and Standards Ente Nazionale Italiano di Unificazione Nederlands Normalisatie-instituut Norges Standariseringsforbund Repartição de Normalização Instituto Nacional de Racionalización y Normalización Standardiseringskommissionen i Sverige Association Suisse de Normalisation British Standards Institution

Amendments issued since publication Amd. No.

Date of issue



December 1979

Indicated by a sideline in the margin

BS 5649-2:1978

Contents Cooperating organizations National foreword Brief history Foreword 1 Scope and field of application 2 Post top columns, main dimensions 3 Columns with brackets, main dimensions 4 Door openings and cable entry slots 5 Column foundation, planting depth and base plate 6 Flange plate 7 Connection dimensions for lanterns 8 Tolerances Annex National particularities National appendix A National appendix B National appendix C Figure 1 Figure 2 Figure 3 — Position of door and cable entry slot Figure 4 — Dimensions of cutout Figure 5a Figure 5b Figure 6 Figure 7 Figure 8 Figure 9a Figure 9b Figure 10a Figure 10b Figure 11 Table 1 — Factor G

© BSI 09-1999

Page Inside front cover ii 2 2 3 4 5 6 7 8 9 10 11 11 11 11 12 4 5 6 6 7 7 8 8 8 9 9 9 9 10 11


BS 5649-2:1978

National foreword This BS/EN is being produced in the following Parts: — Part 1: Definitions and terms; — Part 2: Dimensions and tolerances; — Part 3: Materials1); — Part 4: Surface protection of metal columns1); — Part 5: Base compartment and cableways1); — Part 6: Loads1); — Part 7: Verification of structural design by calculations1); — Part 8: Verification of structural design by testing1); — Part 9: Special requirements for concrete columns1). A further Part dealing with special requirements for plastics columns is in an early stage of preparation. BS 5649 will be issued in Parts as they are completed and approved, and until the whole document is published it will not be possible to supersede the present British Standards for lighting columns. As the Parts are issued recommendations will be given for their implementation together with a list of clauses in the existing standards which they will eventually supersede. It is hoped that a gradual change-over will be obtained which will terminate with the total withdrawal of the existing standards. The British Standards affected are: BS 1308:1970, Specification for concrete street lighting columns. BS 1840:1960, Specification for steel columns for street lighting. BS 3989:1966, Specification for aluminium street lighting columns. It is anticipated that the affected clauses in the existing standards will be withdrawn in accordance with the following timetable: BS 1840 and BS 3989, One year from the publication of this Part of this standard. BS 1308, Three years from the publication of Parts 6, 7, 8 and 9 of this standard. In the interim period it is permissible for dimensions and tolerances for lighting columns to be based on either the existing standards or on BS 5649-2. Purchasers specifying lighting schemes during the interim period should, where possible, permit either alternative. BS 5649-2 covers some or all of the requirements also covered in the following clauses of the existing British Standards: BS 1308 1.1 Scope 1.8.2 Straightness tolerances 1.8.3 Column height and bracket projection 1.10 Bracket projection 1.11 Lantern fixing 1.12.1 Door and door opening 1.18 Service connections

1) In


course of preparation

© BSI 09-1999

BS 5649-2:1978

BS 1840 1 Scope 5 Tolerances 6 Doors and door openings 8 Base-plates 10 Service slots 11 Relative positions of door openings, service slots and bracket arms 12 Recommended depth of columns in the ground 13 Lantern fixing BS 3989 1 Scope 6 Tolerances 8a) Doors and door openings 9 Base-plate 11 Service slot 12 Relative positions of bracket arm, door opening and service slot 13 Recommended depths of columns in the ground 14 Lantern fixing This standard includes columns of height greater than those that were envisaged in the scope of the existing BS 1308, BS 1840 and BS 3989. It is therefore inappropriate to use the design loading requirements in these British Standards for columns over 15 m in nominal height; for such columns the loading requirements should be agreed between the purchaser and the supplier, pending the issue of other Parts of this standard. Advice regarding the choice of planting depth is given in National appendix B. Convention. In this European Standard the comma has been used as a decimal marker. In British Standards it is current practice to use a full point on the baseline as the decimal marker. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations.

Summary of pages This document comprises a front cover, an inside front cover, pages i to iv, the EN title page, pages 2 to 12 and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. © BSI 09-1999





EN 40-2

NORME EUROPÉENNE Edition 1 June 1976

EUROPÄISCHE NORM UDC 624.971:628.971:621.753.1 Key words: Luminaire, lighting column, dimension, dimensional tolerance

English version

Lighting columns Part 2: Dimensions and tolerances

Candélabres Dimensions et tolérances

Lichtmaste Masse und zulässige Abweichungen

This European Standard was accepted by CEN on 1976-06-30. The CEN members are bound to adhere to the CEN Internal Regulations which specify under which conditions this European Standard has to be given, without any alteration, the status of a national standard. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN Central Secretariat or to any CEN member. This European Standard is established by CEN in three official versions (English, French, German). A translation made by another member under its own responsibility, in its own language, and notified to CEN has the same status. CEN members are the national standards organizations of Austria, Belgium, Denmark, Finland, France, Germany, Ireland, Italy, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.

CEN European Committee for Standardization Comité Européen de Normalisation Europäisches Komitee für Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels © Copyright reserved to all CEN members

EN 40-2

Brief history This European Standard, drawn up by technical committee CEN/TC 50 “Lighting poles and spigots” (secretariat DIN), was submitted to the ballot of CEN members in February 1976 with a view to its adoption as a European Standard. It was adopted as such by CEN on 30 June 1976 on the strength of its acceptance by the following member countries: Austria, France, Germany, Ireland, Italy, Netherlands, Portugal, Switzerland, United Kingdom.

Foreword In producing this Part of this standard it was recognized that columns with nominal heights and/or bracket projections not specified in this standard will still be needed to replace columns in existing lighting schemes. However, all columns for new lighting schemes should be selected from the nominal heights and bracket projections specified in this document.


© BSI 09-1999

EN 40-2

1 Scope and field application This European Standard specifies the dimensions and tolerances for a chosen series of lighting columns adopted by CEN. It relates to post top columns for post top lanterns as well as columns with brackets for side entry lanterns. The dimensional requirements are specified except that the connection dimensions in clause 7 represent, for the time being, a recommended choice. It is proposed to make them mandatory after an interim period.

© BSI 09-1999


EN 40-2

2 Post top columns, main dimensions (in metres)

Figure 1


© BSI 09-1999

EN 40-2

3 Columns with brackets, main dimensions (in metres)

Figure 2

© BSI 09-1999


EN 40-2

4 Door openings and cable entry slots (dimensions in millimetres)

Figure 4 — Dimensions of cutout

Figure 3 — Position of door4) and cable entry slot 1)

Supplementary dimensions for concrete columns.


For metal columns only.


It is recommended that this dimension be approximately 600, but in no case shall it be less than 300; no maximum is specified.


It is recommended that the door opening is positioned parallel to the bracket on the side away from the direction of traffic. Figure 3 shows the position for right hand drive roads.


© BSI 09-1999

EN 40-2

5 Column foundation, planting depth and base plate (dimensions in millimetres)

Figure 5a

Figure 5b


The planting depth, e, shall be selected from the values given in the table taking into consideration the calculations made beforehand and the ground conditions.

© BSI 09-1999


EN 40-2

6 Flange plate (dimensions in millimetres)

Figure 6

Figure 7 h m

u5 u 12 u 20


260 400 400 500

d 1a

M18 M24 M27 a


Figure 8 sa

8 10

200 300 300 400

20 d2

22 30 33





M18 M24 M27



400 500 700

These dimensions shall be checked by calculation. © BSI 09-1999

EN 40-2

7 Connection dimensions for lanterns (in millimetres)2)

d 1b

60 76 102

Figure 9a Post top lanterns


70 130 250

Figure 9b a

d 2b

42 60


100 100 250

Figure 10a

Figure 10b


Side entry lanterns a

This design does not apply to concrete columns. of steel spigots should be as given in the International Standard of ISO 64:1974 “Steel tubes, outside diameters” for steel tubes of the nearest size. b Diameters


See clause 1.

© BSI 09-1999


EN 40-2

8.4 Projection (without spigot)

±2% 8.5 Fixing angle The tolerance for the fixing angle of the lantern fixing axis, from the horizontal, shall be ± 2° when not under load; the deviation between the bracket axis and lantern fixing axis shall also not exceed ± 2°. 8.6 Door opening and cable entry slot For the opening dimensions:

+ 5 mm – 0 mm

8.7 Column cross-section 8.7.1 Metal columns

Figure 11

8 Tolerances 8.1 Straightness x u 0,003 l; l = h + e %x u 0,003 %l; %l W 1 m See Figure 11. Measurement shall be carried out in unloaded state (column lying horizontally). 8.2 Total length of post top columns 8.2.1 Longitudinally welded columns With planted section: With flange plate:

± 0,5 % ü ý or ± 25 mm ± 0,6 % þ

(the greater value shall apply) 8.2.2 Seamless columns With planted section: With flange plate:

± 0,5 % ± 0,6 %

ü ý or þ

± 50 mm Column circumference tolerance: ± 1 % Deviation in shape Circular cross-section: ± 3 % of the diameter calculated from the measured circumference (disregarding a welded seam bead) Polygonal cross-section: ± 4 % of the nominal value over the flats of the polygon 8.7.2 Concrete columns Column circumference tolerance: ± 1 % Deviation in shape Cross-section dimensional tolerances: ± 5 %, min. value ± 10 mm 8.8 Connection dimensions for lanterns 8.8.1 Length of lantern connection for l1 or l2: ± 2 mm 8.8.2 Diameter of lantern connection (ungalvanized) for d1 or d2: see ISO 64:1974

(the greater value shall apply) 8.3 Total length of columns with brackets Column with planted section: Column with flange plate:


±1% ± 1,2 %

© BSI 09-1999

EN 40-2

Annex National particularities In France it is admissible to use in addition to the bracket projections fixed in clause 3 also the bracket projections w = 1 m and w = 1,5 m.

National appendix A The United Kingdom participation in the preparation of this European Standard came under the direction of the Road Engineering Standards Committee of BSI. The following organizations were involved in the work on this standard: Aluminium Federation Association of Public Lighting Engineers British Plastics Federation British Precast Concrete Federation Ltd. British Steel Industry Cement and Concrete Association County Surveyors’ Society Department of Transport Design Council Electricity Supply Industry in England and Wales Institution of Highway Engineers Institution of Mechanical Engineers Institution of Municipal Engineers Lighting Column Manufacturers’ Association Lighting Industry Federation Ltd.

National appendix B Planting depth B.1 Selection The planting depth of a column shall be selected from the table in clause 5 for the nominal height required. B.2 Suitability To check the suitability of the selected planting depth for the ground conditions at the site it is suggested that the procedure given in B.3 should be adopted unless a more sophisticated foundation design is utilized. Where the selected planting depth is shown to be too short, this may be overcome by backfilling the excavation with mass concrete. The effective diameter of the column may then be assumed to be equal to the minimum diameter of the hole and the equation in B.3 can be used to calculate this diameter.

© BSI 09-1999

Alternatively, if the purchaser knows the soil conditions before ordering, the equation in B.3 can be used to calculate which planting depth would be suitable and a decision taken, depending upon availability and cost, to use that planting depth or to use a shorter planting depth with a concrete or selected infill. B.3 Calculation a) Select planting depth. b) Calculate overturning moment due to full design forces on the column about a fulcrum located at 1/Æ2 of the planting depth. c) Multiply overturning moment by factor of safety 1.25. d) The moment in c) should not exceed the ground resistance moment (Mg) obtained from 3 GDP M g = ----------------10 where G is a factor dependent on the ground in which the column is planted (in kN/m2 per m) Values of G are given in Table 1. D is the minimum diameter (or minimum dimension across flats for multi-sided sections) of the section of the column in the ground (in m) P is the planting depth (in m) Table 1 — Factor G G

Soil type


Good: Compact, well graded sand and gravel, hard clay, well graded fine and coarse sand, decomposed granite rock and soil. Good material should be well drained and in locations where water will not stand.


Average: Compact fine sand, medium clay, compact, well drained sandy loam, loose coarse sand and gravel. Average soils should drain sufficiently well that water does not stand on the surface.


Poor: Soft clay, clay loam, poorly compacted sand, clays containing a large amount of silt and vegetable matter, and made ground. Poor soils will normally be wet and have poor drainage.


EN 40-2

B.4 Back filling The approach in B.3 is based on the hole into which the column is placed being back filled with the excavated material or with material of better quality. All back filling material should be placed in 150 mm thick layers and should be well compacted. Where the hole is back filled with concrete, the concrete should extend from the base of the column to ground level. A duct, equal in size to the cable entry hole, should be formed through the concrete filling using a suitable preformed lining tube. Where bituminous surfacing is used round the column, the top level of the concrete may be lowered by the thickness of the surfacing. B.5 Design loadings Pending the issue of subsequent Parts of this standard, which will give details of the design loading for columns in particular zones of the country, the following loading should be adopted for calculating planting depths. a) Concrete columns complying with BS 1308:1970. The loads from Table 4 of that standard.


b) Steel columns complying with BS 1840:1960. The loads from Table 3 of that standard increased by a factor of 2.0. c) Aluminium columns complying with BS 3989:1966. The loads from Table 4 of that standard.

National appendix C References Clauses 7 and 8.8.2, make reference to ISO 64:1974 “Steel tubes, outside diameters” for steel tubes of 42 mm, 60 mm, 76 mm and 102 mm outside diameter. That standard gives actual outside diameters of 42.4 mm, 60.3 mm, 76.1 mm and 101.6 mm without specifying tolerances.

© BSI 09-1999


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