Main roads on the East, North or North-East  are  advisable with wide gates on two sides. 

It is better to have more open space on the northern and eastern sides  so that lawns and greenery can be grown.

The floor level on the South-West should be higher than that of the others.

The main entrance of a factory  should be on the northern, north-eastern or eastern north-east.

Transformers, boilers, generators, motors, furnaces and oil engines should be installed on the South-East or close to South-East.

Raw materials may be stored on the South or West. Products being processed should be placed on the West while finished products may be stored on the North-West.

Wells, bore wells and water sumps should be in the north-east area.

Machinery can be installed on the South, West or South-West of the factory.

Guard room may be constructed on the south-eastern side of the eastern gate or on the north-western side of the northern gate.

Over head tank of the factory should be located in the western south-west.

Toilets may be constructed on the north-western or on the south-eastern region of the building.

Cars may be parked on the North-West.