Basement Stairs Load Bearing Wall
Your upper stairs and the tail joists do not weigh that much.
Basement stairs load bearing wall. The curved and basement staircases were fully replaced along with new handrails and spindles. This would add a unifying element and tie the new board and batten trim to the stairs. How to open up a stair wall set a beam and support floor joist on the second floor.
Assess your basement Look in your basement or crawl space for steel beams or joists. One each block can be cut to hold the joist at the proper elevation to level the floor system and secondly the squash blocks help transfer the bearing wall loads from the 2 nd floor down the the lower bearing wall. If you do spot joists in your basement and there is a wall that runs perpendicular this wall is most likely load bearing.
The reason that is important is the web of the joists really are not strong enough to transfer the load. On the main floor two load bearing walls were opened up with flush beams installed. Another consideration is opening up the stairwell up to including the third stair.
Most stair cases built in the basement are primarily there to support the stairs not the house. My load-bearing wall runs down the center of the house just offset from the bearing beam in the basement. Load-bearing walls on upper floors are generally supported by other walls directly under them on lower floors and ultimately by posts or girders in the basement.
I have a staircase that is going to be replaced because its in bad shape. Bearing walls in the basement are walls that hold up the floor structure for the main floor of the house. What I dont see in the pictures are the steel beams they are the primarily load bearing feature in the basement.
Lights shall be operated by a switch located at the top and bottom of the stairs. Before removing a wall from around a stairway determine whether it is load bearing. If the wall is parallel above the joists its most likely not a load-bearing wall.