Metal frame of the balconies

The metal frame of the balcony. Set of works that performed:
#KM - metal structures;
#KD - structures of wood;
#AB - architectural drawings;
#GP - the general plan;
#POB - the project of the construction organization;
#CMD - metal structures are detailed.
On this image is the indicated type point of the frame of the metal structure of the balcony. This is part of the construction of the residential building.