Shows forum being built around column. Also re-bar around steel column pillar about 6 ” from steel h-beam . A post will help hold up a second floor & roof . Concrete will be poured around the h-beam and will be bonded to the footer of column ,below ground. A  two X  four  ladder is leaning on the basement wall. This two X four ladder is made of two lengths of two X fours and can be built as short or as long as is needed to climb up to the height of a project in question  . The stairs,slates or short pieces of two X fours is nailed onto the two, 2″X 4″ that run vertical. The stairs or short pieces of 2″ X  4″ that run horizontal across the vertical 2 ” X 4 “,s to  make up the ladder. This can be built cheap,for five dollars more or less and a ladder bought at a hard ware store can cost twenty dollars and a whole lot more. That is why this type of ladder is constructed and used around construction sites. They are very cheap to make and strong . A worker can make this type of ladder and will last until the job is completed and beyond…