Here is an autocad dwg file for details of Heliport--electrical installations. There is a presentation plan layout with all the electrical fitting and proper detailing of the installations.
Airport design study
Airport terminal floors la
Airport terminal area seco
Airport Ground Floor Plan
2d cad drawing of helipad
Airport parking system det
Airport Design Plan CAD Fi
Elevation and sectional de
Terminal building plan and
Airport construction plan
Terminal building block de
Airport terminal layout pl