BS 1722-1:2019 – TC
$217.84
Tracked Changes. Fences – Specification for chain link fences
| Published By | Publication Date | Number of Pages |
| BSI | 2019 | 92 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 6 | Publication history |
| 9 | Foreword Publishing information Supersession Relationship with other publications Information about this document |
| 10 | Use of this document Presentational conventions Contractual and legal considerations |
| 11 | Introduction 1 Scope |
| 12 | 2 Normative references |
| 13 | 3 Terms and definitions |
| 15 | 4 Dimensions and general characteristics 4.1 Fences 4.2 Gates |
| 20 | 5 Additional security 6 Gates 67 Materials and construction 7.1 Welding 6.17.2 Wire 6.1.17.2.1 General |
| 21 | 6.1.27.2.2 Chain link mesh and line wire 6.1.3 Line wire 6.1.47.2.3 Stirrup wire 6.1.57.2.4 Tying wire 6.1.67.2.5 Barbed wire 6.2 Concrete posts and struts 6.2.1 Material 6.2.2 Tolerance on size 6.2.3 General construction |
| 22 | 6.2.4 Fence posts and struts 6.2.5 Gate posts and struts General dimensions of concrete gate posts and struts shall conform to Table 3 and shall not be tapered. |
| 23 | 6.3.17.3.1 Materials and protective treatment 6.3.27.3.2 Tolerances on size 6.3.37.3.3 General construction 6.3.47.3.4 Fence posts and struts 6.3.5 Gate posts and struts |
| 25 | 7.3.5 Gate posts and struts |
| 26 | 6.3.67.3.6 Baseplates and dowels Gate posts, straining posts and struts shall be fitted with baseplates, baseflats or dowels. Baseplatesbaseflats shall have a minimum thickness of 3 mm and, shall be continuously welded to the posts Baseplates for steel straining posts and struts shall project at least 50 mm all roundon at least two sides of the post. 6.3.7 Welding 6.47.4 Construction of gates 6.4.17.4.1 General |
| 27 | Table 6 Steel gate frames and braces for gates up to 2.15 m 6.4.3 Infill 6.4.4 Hinges |
| 28 | 6.4.5 Drop bolts and slam plates 6.4.6 Locking device 6.5 Timber posts and struts 6.5.1 Material 6.5.2 Tolerances on size 6.5.3 Fence posts and struts |
| 29 | 7.4.2 Hinges 7.4.2.1 General 7.4.2.2 Hinge safety |
| 32 | 7.4.2.3 Hinges and security |
| 35 | 6.67.5 Fittings, fixings and straining devices 7.5.1 General 6.6.17.5.2 Eye bolt strainers 6.6.27.5.3 Winding brackets 6.6.37.5.4 Stretcher bars 6.6.47.5.5 Staples 6.6.57.5.6 Preformed rings 6.6.67.5.7 Nails, bolts, washers, and screws |
| 36 | 6.77.5.8 Extension arms for barbed wire NOTE This clause applies to both integral and separate extension arms for barbed wire unless otherwise stated. 6.7.17.5.8.1 General 6.7.27.5.8.2 Extension arms for straining posts and gate posts 6.7.37.5.8.3 Extension arms for intermediate posts 6.7.47.5.8.4 Extension arms for gates 8 Design |
| 37 | 79 Installation 7.19.1 Line and level 9.1.1 General 9.1.2 Line 7.29.2 Posts and struts 9.2.1 General Holes for fence posts and struts set in rammed backfill only shall be as small as practicable for refilling and ramming. 9.2.2 Foundations and positioning |
| 38 | 7.39.2.3 Straining posts 7.49.2.4 Struts 7.59.2.5 Intermediate posts 7.69.2.6 Gate posts |
| 39 | 7.79.3 Line wires 9.3.1 General 7.89.3.2 Straining Line wires at straining posts 7.99.3.3 IntermediateLine wires at intermediate posts 7.109.4 Chain link fencingmesh 7.11 Barbed wire 7.11.1 Extension arms |
| 40 | 7.11.2 Barbed wire on gates 8 Gates 910 Renovation of damage to hot dip galvanized coating |
| 41 | 1011 Statement of conformity 10.111.1 Fence manufacturer/supplier 10.211.2 Fence installer 10.311.3 Certificate 10.411.4 Statement |
| 42 | Annex A (normative) Concrete components A.1 Materials A.1.1 Cement A.1.2 Aggregate A.1.3 Admixtures A.1.4 Chloride content A.1.5 Reinforcement A.2 Moulds A.3 Manufacture A.3.1 Mixing |
| 43 | A.3.2 Placing and compaction A.3.3 Location of reinforcement A.3.4 Protection from freezing A.3.5 Maturing A.4 Surface characteristics A.4.1 Surface finish as cast A.4.2 Surface finish as treated A.5 Tests |
| 44 | Annex BA (normative) Steel components and protective treatments B.1 Material form B.2A.1 Material grades |
| 45 | B.3A.2 Protective treatment |
| 46 | Annex B (normative) B.1 Chain link solidity calculation |
| 47 | Solidity = |
| 48 | B.2 Calculation of wind loads B.2.1 General B.2.2 Example calculation for (5 × 50) mm standard galvanized chain link fencing on (50 × 50 × 3.0) mm pre-galvanized steel post |
| 49 | B.2.3 Example calculation for (50 × 50 × 3) mm pre-galvanized tube B.2.4 Example calculation for (50 × 50 × 6) mm rolled steel angle |
| 51 | Annex C (informative) Specifying a chain link fence C.1 General C.2 Site conditions C.3 Construction of fence |
| 54 | Table D.1 Determination of moisture content of timber to be treated for use in fencing Length of electrodes within the timber Type of timber % 25 mm, or sapwood thickness if less a) All sapwood b) Heartwood of wood species other than those listed in c): 28 25 mm posts 12 mm other components c) Heartwood of sweet chestnut, dahoma, danta, guarea, kapur, kempas, oak 5 mm |
| 55 | Bibliography Standards publications Other publications |
| 61 | Foreword |
| 63 | Introduction 1 Scope 2 Normative references |
| 64 | 3 Terms and definitions |
| 65 | Figure 1 — General characteristics of a chain link fence |
| 67 | 4 Dimensions and general characteristics Table 1 — General characteristics of chain link fences with zinc (Z) or zinc alloy (ZA) coated mesh |
| 68 | Table 2 — General characteristics of chain link fences with plastic coated mesh |
| 69 | 5 Additional security 6 Gates 7 Materials and construction 7.1 Welding 7.2 Wire |
| 70 | 7.3 Posts, gate posts and struts |
| 71 | Table 3 — Typical dimensions for steel posts and struts |
| 72 | Table 4 — Typical steel post sizes (SHS) for individual gate leaf widths (pairs or singles) |
| 73 | 7.4 Construction of gates Table 5 — Typical frame sizes for individual gate leaf widths (pairs or singles) A) |
| 74 | Figure 2 — Example of a hinge design |
| 75 | Table 6 — Typical minimum fittings for gates Table 7 — Typical minimum dimensions for gate fittings |
| 76 | Figure 3 — Example of a hinge eyebolt Figure 4 — Example of a hinge pin |
| 77 | Figure 5 — Example of a drop bolt arrangement Figure 6 — Example of a locking bar arrangement |
| 78 | 7.5 Fittings, fixings and straining devices |
| 79 | 8 Design 9 Installation 9.1 Line and level |
| 80 | 9.2 Posts and struts |
| 81 | 9.3 Line wires 9.4 Chain link mesh |
| 82 | 9.5 Toppings 10 Renovation of damage to hot dip galvanized coating 11 Statement of conformity 11.1 Fence manufacturer/supplier 11.2 Fence installer 11.3 Certificate 11.4 Statement |
| 83 | Annex A (normative) Steel components and protective treatments Table A.1 — Recommended steel grades |
| 84 | Annex B (normative) Chain link solidity calculation and wind load calculation |
| 85 | Figure B.1 — Example for 5.00 mm OD chain link 50 mm mesh |
| 86 | Table B.1 — Drag coefficients (Cd) of fence panels |
| 87 | Table B.2 — Calculations for each component |
| 88 | Annex C (informative) Specifying a chain link fence |
| 90 | Bibliography |
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BS 1722-1:2019
Fences – Specification for chain link fences Published By Publication Date Number of Pages BSI…
