Importance of Site plan –
1) It gives idea of site i.e. plot size and size or shape of proposed building.
2) It is helpful to calculate plot area and plinth area.
3) It gives details of side margins.
4) It shows adjacent road and road width.
5) With north direction, plot orientation can be decided.
6) It gives idea about water & drainage line.
7) It shows adjacent plots, survey number, plot number, nearby permanent structure like temple, etc.
Importance of openings schedule or schedule of openings –
1) To check opening area for ventilation.
2) To know the type of openings proposed.
3) To give purchase order.
4) To give the details and number of opening or gates to the fabricator.
5) For billing purpose.
6) To make alteration in type of opening, if required.