Electrical G.I. pipes

We call them “G.I. pipes”. I do not know what you call them at your own place, but that is a very well known name in the local construction industry here.

Picture 1 – G.I. pipes being delivered at a construction site

G.I. electrical pipes

The above picture and a few more below are the first batch of pictures that I upload to this blog.

In general I will just upload pictures with minimal texts (or script, you may say) for every post that I send to this blog. That will be the first stage. Later when I have the time, I will come back to the same post and give some story to the pictures.

Maybe add a few more additional photos also, or maybe a diagram or two.

Then again, at some other time in the unknown future, when some ideas cross my mind, I may come back again
to the same post and revise it. Or maybe add a few examples or real case stories about the issue.

In the meantime, I will be posting other articles, with or without pictures or diagrams, or vise versa. Then revise them again and again as new ideas come to my head at the times that I have some time to spare updating the posts.

In other words, each of my posts and articles is a “live” document.

I am not a writer by nature. Writing is a hard work for me. So either I do it this way, or this blog will not grow.

Now back to the pictures.

Picture 2 – 6 inch G.I. pipes crossing below road

6-inch-G.I. Pipes-As-Road-Crossing-Cable-Ducts

These G.I. pipes crossed the road from the right side to the left side of the road.

It clashed with the level of the roadside drain.

It penetrated through the drain and went straight into the pre-cast sleeves on the right-side wall of the underground manhole.

This work was carried out at one of my projects a few years ago.

I may send an article on this work some time in future. Today I just wish to show you the pictures of these G.I. pipes and where they are used in an electrical installation at a building construction site.

Picture 3 – G.I. pipes joined to flexible HDPE pipes for 11kV cables

G.I.-Pipes-Joined-To-HDPE-Flexible-Ducts

This was from the same work activity as Picture 02 above, but at a different location along the 11kV underground cable route.

Note that the flexible HDPE pipes are being joined to the G.I. pipes using the black couplers.

From this picture you can see clearly the purpose of using G.I. pipes in this sort of applications.

When we cross under road, use G.I. pipes. Other than that, use the flexible HDPE ducts.

Of course, the flexible pipes can also be used to cross under road. When this method is used, the practise is to encase them in concrete where they are under road.

However, nowadays many clients prefer the G.I. ducts. I am not really sure why, but I am guessing that it’s has to do with faster work and the neatness of the works area if G.I. pipes are used to cross the road.

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