Home Project : Attic

Working on a personal project for the house - Additional Attic Space. I have been tinkering with fixing an access staircase to the roof level. Taking the on-site dimension and plot them in SketchUp.

It will be a risky bolted to the wall staircase. Studying through various online publications and youtubes I am confident enough to proceed with modification and additional support (ie - Steel Wire Rope).

I have fabricated the support members using 25x50 Hollow Sections with welded ears for 10mm diameter steel wall bolts.

Due to the slight deviation between fabricated support member welded ears, each base was traced over a piece of paper and pasted on the wall before drilling.

I ran a 6mm bit pilot holes before coming back to finish with 10mm bit final hole.

 All first 4 stringers fit perfectly (well #4 needed a little hard push because of slight off center between drill hole and the ear hole)

 #5 I had to drill another ear hole near the existing one on order to fit because it was way too off center. I guess maybe the working at height finally gotten into my eye and hand targeting coordination.

First 5 stringer supports are in place. Calculation-wise each member should be able to support up to 600kg. But for now I will not step on them yet until the additional cable wire support in place.