Here is an autocad dwg file for the Helipad details . the presentation plan layout with elevation drawings and installation , fixation are given in this autocad file
Detail in stair dwg file
Staircase construction det
Forged grill
Block of fence design draw
Elevation along the grid d
Column and beam joint deta
Constructive section facad
Roof section plan detail d
Catchment sand trap by mak
Stair elevation with const
Detail of gutter
Constructive section