Guidance note
NR/GN/TEL/30140
Telecommunications Cable Routes and Installation
Issue 1, 05 June 2010 · Cable route, survey & installation
Clause map — what each clause deals with
| 1 | Purpose | Guidance on installing telecoms cables and cable route |
| 2 | Scope | What it covers and who it is for |
| 3 | Definitions | Definitions and abbreviations |
| 4 | Construction of New Cable Route | Constructing new cable route — the extent of the works |
| 4.2 | General | General rules for new route — position relative to the rail, access |
| 4.2.1 | Limited Space | Reduced clearance from the running rail where space is limited — tunnels, bridges, structures |
| 4.2.2 | Route between tracks | Route between tracks (ten-foot) |
| 4.3.1 | Product Overview | DI-SAC product overview |
| 4.3.2 | Installation | DI-SAC installation principles |
| 4.3.3 | Securing DI-SAC with Ground Anchors | Securing DI-SAC with ground anchors |
| 4.3.4 | Interfacing with Cable Routes | DI-SAC entering existing cable route |
| 4.3.5 | Interfacing with Bridges and Viaducts | DI-SAC at bridges and viaducts |
| 4.3.6 | Interfacing with UTX and URX Manholes | DI-SAC through UTX/URX manholes |
| 4.3.7 | Interfacing with Cable Joint Bays | DI-SAC joint bays |
| 4.3.8 | Sheath Gaps | DI-SAC sheath gaps before housings |
| 4.3.9 | Foot Crossings and Farm Crossings | DI-SAC at foot and farm crossings |
| 4.3.10 | Vehicular Access Points | DI-SAC at vehicular access points |
| 4.3.11 | Hazards and Obstructions | DI-SAC hazards and obstructions to avoid |
| 4.4.1 | General | Concrete troughing — general, points to 00013 |
| 4.4.2 | Troughing Lids | Laying troughing lids — stagger |
| 4.4.3 | Buried Routes | Using buried routes |
| 4.4.4 | Vandalism | Securing troughing in vandalism areas |
| 4.4.5 | Ballast Shoulder | Not disturbing the ballast shoulder |
| 4.4.6 | Crossing Traction Feeder Cables | Crossing traction feeder cables with ramped support |
| 4.4.7 | Joint Bays | Joint bay construction |
| 4.5 | Retaining Walls for Joint Bays & Cabinets | Retaining walls and platforms for joint bays and cabinets |
| 4.6.1 | General | When elevated route is used |
| 4.6.2 | GRC and GRP Route Construction | Building GRC/GRP elevated route |
| 4.7.1 | General | Constructing new manholes |
| 4.7.2 | Covers and Frames | Manhole covers and frames — classes |
| 4.8 | Buried Duct Routes | Buried duct routes — searches first |
| 4.8.1 | Requirements for all Duct Routes (Except DBS) | Requirements for duct routes |
| 4.8.2 | Routes Through Station Platforms | Routes through station platforms |
| 4.9 | Hard Surface Walkway Duct Routes | Ducts in hard-surface walkways |
| 4.10 | Public Crossings | Public crossings |
| 4.11 | Under Track Crossings | Under track crossings — the civils standards that apply |
| 4.12 | Installation of Distribution Cabinets and Pole-Mounted Boxes | Installing distribution cabinets and pole-mounted boxes |
| 5 | Renovation of Existing Cable Routes | Renovating existing cable routes |
| 6 | Cable Slack | Leaving cable slack for future joints |
| 7 | Work in Tunnels and Restricted Areas | Laying and installing cable route and cables in tunnels, on bridges and viaducts — the civils rules that apply and who to involve |
| 8 | Timbering | Timbering excavations |
| 9 | Anti-Corrosion Protection for Ferrous Metal Work | Galvanising ferrous metalwork |
| 10 | Surplus and / or Scrap Material Recovery and Disposal | Spoil and scrap disposal |
| 10.2 | Waste Water | Waste water disposal |
| 11 | Access | Site access rules |
| 12 | Handling of Materials Containing Asbestos | Handling asbestos |
| 13 | Buried Services Searches | Buried services searches — the standard that applies |
| 14 | As-Built Records | Keeping as-built records during installation; points to 30142 |