Hi, I'm working on a small extension to an existing deck (with a basement underneath). On the deck, I have a concrete slab. In order to install a staircase up to that level from the hallway, I need to remove the protruding part of the concrete slab. How can I do this most easily/best?
See the image. A and B stick out about 10 cm beyond the basement wall C. B seems to be a rough casting (from the 50s) while A appears to be a concrete element that I guess was lifted into place. The wall above B I will remove, so it will be accessible from above. I would like to make a straight cut flush with the post visible in the image, which means I don't just want to start chiseling away at the concrete, also I don't want to damage the rest of the slab.
I want to remove A up to the basement wall C and B an additional 25 cm.
Anyone have suggestions on how to do this? I'm open to hiring a company for it too if I only know what is appropriate.
Ok, answering my own question. It was of course not possible to get a company to come for such a small job.
However, it worked well with the right (rented) equipment. Demolition hammer to remove the upper part and then I cut the lower layer with a large angle grinder/concrete saw (350 mm blade).
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