Transmission Poles

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Description

Transmission poles are used for the Over head Power distribution network of Low & Medium voltage lines. The main purpose of using it is to support the electrical current cables.

design

Poles are designed according to international codes (ASCE Manual no.72) and as per the customer specification using international SPOLE software.

material

Material used to fabricate the pole components will be in accordance of international standards and as per the project specifications.

finishing

No welding, cutting or drilling is done after galvanising.

The anchor bolts including nuts and washers are hot dip galvanised according to ASTM A 153.

shape

Poles with heights up to 14 meters are made from one shaft segment. Poles higher than 14m height are made from two segments with minimum overlap length of 1.5 times the diameter of bottom of the upper segment.


Most of the poles are attached with a bearing plate having square or octagonal shape at its bottom end. The bearing plate is part of the embedment of the pole in concrete.


Base plate is welded to the bottom of the shaft by double fillet weld, according to International standards.


An Earthing nut is welded outside the shaft at the suitable level and equipped with the required bolts, nuts and washers for earthing.


Straightness, tolerances and plumbness of the pole are maintained within permissible limits according to international standards.

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