1.1 Span Length Limits
For all new / replaced Dropwires, the maximum dropwire span lengths must not be exceeded when the job is completed.
These are as follows:
- 68 metres when using an *Eyebolt 1A, Eyebolt 2A or Bracket 22/44/51.
- 40 metres when using a Bracket 32.
- *40 metres when an Eyebolt 1A is fitted to a rendered / harled wall and the Dropwire does not cross any Road / Carriageway. (See Section 4.9.1 for full details.)
- Cable Drop Wiring No.15 can be used for spans up to 68 Metres including road crossings.
1.1 Span Length Limits
For all new / replaced Dropwires, the maximum dropwire span lengths must not be exceeded when the job is completed.
These are as follows:
- 68 metres when using an *Eyebolt 1A, Eyebolt 2A or Bracket 22/44/51.
- 40 metres when using a Bracket 32.
- *40 metres when an Eyebolt 1A is fitted to a rendered / harled wall and the Dropwire does not cross any Road / Carriageway. (See Section 4.9.1 for full details.)
- Cable Drop Wiring No.15 can be used for spans up to 68 Metres including road crossings.
1.1.1 Exceptions to the 68m span limit
The only exception to the 68m limit is for Fibre feed cables to a CBT.
In situations where cable installation in existing U/G duct is not economically viable, the alternative is to span a new overhead fibre cable between existing DP Poles, therefore bypassing the damaged U/G section.
However, sometimes the spacing between existing poles may be found longer than 68 metres. Where the above scenarios are encountered and where use of an overhead alternative is required, but not possible as the distance between poles are greater than 68m, the following exceptional span length options may be utilised.
1.1 Span Length Limits
For all new / replaced Dropwires, the maximum dropwire span lengths must not be exceeded when the job is completed.
These are as follows:
- 68 metres when using an *Eyebolt 1A, Eyebolt 2A or Bracket 22/44/51.
- 40 metres when using a Bracket 32.
- *40 metres when an Eyebolt 1A is fitted to a rendered / harled wall and the Dropwire does not cross any Road / Carriageway. (See Section 4.9.1 for full details.)
- Cable Drop Wiring No.15 can be used for spans up to 68 Metres including road crossings.
1.1.1 Exceptions to the 68m span limit
The only exception to the 68m limit is for Fibre feed cables to a CBT.
In situations where cable installation in existing U/G duct is not economically viable, the alternative is to span a new overhead fibre cable between existing DP Poles, therefore bypassing the damaged U/G section.
However, sometimes the spacing between existing poles may be found longer than 68 metres. Where the above scenarios are encountered and where use of an overhead alternative is required, but not possible as the distance between poles are greater than 68m, the following exceptional span length options may be utilised.
This policy applies to Fibre cables feeding CBTs only.
It excludes the following,
- Fibre cables beyond the CBT i.e L2C house-end feeds
- Creation of new copper span situations greater than 68metres
