@lakshminarayanaswamy , many thanks for your time and advise. The capacity is 8k Leters . my contractor spiked the quote , approximate ground including compound wall , sump tanks, flagging concrete ,gate parapet wall, chajjas , weather proof plastering , parking tiles are included in the roof to ...

Hi ,

We are constructing house on 1450sqft plot. Contractor is quoting 70 % of the cost of first floor. First floor is about 1200sqft and he is charging at the rate of Rs.2000. So the total cost of basement would be 16.8 Lacs

Basement requirement is as below :

Two distinct sumps for storing ...