I assumed you'll cut such a large hole because you're going to back fill with cement. You're buckling load is very high so definitely no need to worry there. Along the lines also of what Q mentioned, we have a lot of hoists and cranes in our facility. We assemble many of them. ...
Over time, many older, once commonly used materials have been banned (e.g., asbestos cement) or abandoned, whereas new materials have been incorporated (e.g., HDPE). Managers are now likely to install the same material for the same conditions; however, in old networks, with different ...