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PSC Pole Specification
Average permanent load
It is that of the working load which may be considered of long duration over a period of one year.
It is the ratio of ultimate transverse load to the transverse load in first crack.
It is the direction of the line bisecting the angle contained by the conduct at the pole. In the case strength run, this will be normal to the run of the pole. Transverse load in first crack for design transverse load at the first crack shall be taken as not less then the value of working load.
Ultimate Transverse load
The Load at which failure occurs, when it is applied at a point 600mm below the top and perpendicular to the axis of the pole along the transverse direction with the butt end of the pole planted to the required depth as intended in the design.
It is the maximum load in the transverse direction, that is, ever likely to occur, including the wind pressure on the pole. This load is assumed to be set at the point 600mm below the top with the butt end of the pole planted to the required depth as intended in the design.
Overall length of the pole
The minimum overall length of the pole shall be 6 meter onwards, and subsequent length shall be in steps of .5 meter.