1. Does GRIHA have a recommended source for evapotranspiration values of various soils?
2. Are the water reduction calculations required for every month or any 1 month of the year?
1. Evapo-transpiration rates can be taken from India Meteorological Data (IMD), India water portal or other relevant source. However, the reference document/website link should be submitted along with the documentation.
2. Water reduction calculation needs to be carried out for each month for the base and proposed case based on which savings are calculated.