If the wall is block or stone 3 to 4 feet apart is a safer bet.
Steel beam on concrete wall.
You can cut the steel on site with a cutting torch if need be but generally i measure first to find out what length i need then have the pieces cut for me at the steel yard.
And beams connection details should recognise the physical characteristics of both steelwork and the material to which the steelwork is connected.
Dressing up the basement.
Steel beam reinforced concrete wall endplate moment connection cad dwg drawing detail of a steel beam connected on the side of rc shear load bearing wall cad dwg drawing detail of a steel beam to reinforced concrete wall endplate moment connection with top and bottom angle cleats.
E steel beam connections to concrete core walls e steel beam connections to concrete columns e steel beam connections to masonry walls.