In costly areas flats are proposed for construction and in Municipalities individual houses subject to availability of adequate suitable land at reasonable cost. The pattern of construction for flats will be G+5, G+9, G+14, G+20 and above stories. The flats are open to sky from three sides to have good ventilation following green buildings norms. The structures are designed for the earthquake forces as per the Bureau of Indian standards. Generally private builders hesitate to design the structures for earthquake as more steel has to be provided
Concrete is prepared using weigh batching plants. No private builder used designed mix. The APRSCL is strictly and sincerely adopting the Indian Standards code 456 - 2000 for concrete mixes and using minimum grade of M20. Private builders mostly use M15 grade concrete using volume batching that is not permitted by the code.
The specifications adopted for both the flats as well as independent houses irrespective of the size are as follows: