Thank you LittleInch, I scrapped the efflorescence on the side opposite to the gunk. The area looked fairly damped under the efflorescence. That's what leads me to believe that there is some sort of moisture transfer from under the stairs; might be the pipe, might be the soil. These stairs were...
Hi HTUKAK,
Thanks for the reply here is a picture of the are discussed and a snap of the area per record drawings. As you can see the there is some efflorescence around the stairs I am not worried about the dark blue spots(those are just soaked racks left there by a previous contractor) but...
Hi, I am currently looking into the condition assessment of a Surge tank build in 1968. We found one particular location that has some sort of copper colour efflorescence around a set of stairs. These stairs were cast above a header pipe. I believe that the pipe might be "sweating" and this...
