How far OFC trench should be from other utilities - Technopediasite

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Tuesday, December 10, 2019

How far OFC trench should be from other utilities

How far OFC trench should be from other utilities : In this article, we will discuss this topic today, Many friends work in the OFC installation sector but do not take care of how far the trench of OFC should be kept from other utilities. After some time, when the need of OFC shifting or maintenance is required, the telecom company has to face a lot of problems.

Site engineers of the telecom company should work only according to the OFC Construction Guidelines. It should not be arbitrary so that the company does not face any further trouble. In order to provide working and maintenance clearances from other utilities, separations must be maintained in accordance with the Construction Guidelines.
How far OFC trench should be from other utilities
OFC trench and other utilities

OFC trench separation from Electrical Power

When crossing and adjacent to electrical installations, the some guidelines must follow at the OFC construction site:

Duct and cable installations shall be located to provide reasonable practical clearance from electric lamp standards, traffic signal posts and similar installations. If a minimum clearance of 150-mm is not obtained then a concrete separator of 50-mm thickness or a PVC sleeving is required at the affected location.

For parallel installations between telephone and power cables, the separations indicated by Telecom Company Construction Guidelines and it must be applied.

For those cases where the standard separation cannot be achieved, an alternative installation is indicated for parallel runs of less than 10 m.

These all parameters are not universal standard.The telecom company maintains the OFC construction guideline according to its convenience.

Where voltages of 69 kV and greater are encountered, the Electrical Protection Group of Telecom Company shall be informed of the installations, irrespective of whether the indicated safety separation can be achieved.

Attention should be given to the requirements for maintenance ducting to be installed under all protection slabs, irrespective of the utility, which is below the slab.

Electrical cables are not permitted to share duct space or pass through telephone manholes and vice versa.

All construction activities shall be coordinated with the related utilities and authorities as applicable.

How far should the other utilities be in the OFC conduit installations, I am telling you through this below table.

OFC conduit installations

OFC CONDUIT INSTALLATIONS details
Other Utilities and OFC Conduit Installation

Now we will discuss directly the Buried OFC Installations.I try to tell it through the table, which will be easy for all of you to understand.

Other Utilities and Direct Buried Cable Installation

I hope all of you will be satisfied with the information given by Technopediasite about the topic " How far OFC trench should be from other utilities ". I request all of you to comment and tell me how you liked this article.Please share if it is helpful to telecom sector friends.

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