The RC wall (reinforced concrete wall) refers to that short thick black line beside your marking Y. Option 2 is to build the altar against this wall instead of at Y. If I choose to go via Option 2, I would like to actually convert the wall at Y into a counter top that can overlook into the kitchen. The purpose of this is more so that when I am in the kitchen, there is an 'opening' thru the wall at Y so that I cansee what my kids are doing in the living room. That's why my intention is to place the altar beside Y and hack down part of Y to create an 'opening' and a small counter table top. I suppose there shouldn't be any issue with the altar standing beside a counter top? For Option 1, what other stove locations are there or the stove location has to be dependent on my Ba Zi? If I go via Option 1, for the shoe cabinet, if I construct it in the space behind the main door on the left, is it considered ok?