Here is an autocad dwg file for details of stairway. the filling of concrete formed and the elevation of the stairway is given in this file.
Staircase Construction Det
Construction detail of sla
Detail of fuel tank
Wall section detail dwg fi
Perimeter wall
Support wall on foundation
Bridge of slab beam
Constructive section, wall
Wall interior exterior sec
Footing plan and elevation
Construction view of dam d
Detail of foundation and b