here is an autocad dwg file for the ramp details . it is a sloping surface joining two different levels, as at the entrance or between floors of a building.
Construction detail dwg fi
Lighting 3 D view section
Stair section detail and c
Flow meter plan and sectio
Detail elevation pit dwg f
Key plan detail dwg file
Details of a mechanism sli
Plot area detail dwg file
Paving plane details desig
Foundation plan with colum
Foundation plan with stair
Walls