Page 105 - GRIHA Manual Volume I - Introduction to National Rating System
P. 105
92 Griha Manual: Volume 1
Criterion 28 Ensure water quality
Objective
To provide the occupants of the building with good potable quality water for drinking/washing
purposes as prescribed by the standards and to ensure that the treated wastewater is meeting the
desired standards for reuse/disposal.
28.1 Commitment
28.1.1 Ensure water from all sources (such as groundwater and municipal water) meets the water
quality norms as prescribed in the IS for various applications (Indian Standards for drinking
[IS 10500–1991], irrigation applications [IS 11624-1986]), cooling towers (as given in NBC
2005).
Note In case the water quality cannot be ensured, provide necessary treatment of raw water for achieving the desired concentrations for
various applications.
28.2 Compliance
28.2.1 Provide water optimization plan (water fl ow diagram giving the complete collection,
treatment, and distribution for diff erent applications).
28.2.2 Provide the water quality details from various sources before and after treatment.
28.2.3 Report/certifi cate from the local municipal authority for municipal water.
28.2.4 Provide the specifi cation details indicating the capacity and components of the treatment
plant along with drawings (product details from the manufacturer).
28.2.5 Quality checking frequency and sampling plan for potable water (as per given standard).
28.3 Appraisal (maximum points – 2) mandatory
28.3.1 Water quality conforming to IS standards, as per clauses 28.2.1–28.2.5 (2 points mandatory).
Criterion 28 Ensure water quality
Objective
To provide the occupants of the building with good potable quality water for drinking/washing
purposes as prescribed by the standards and to ensure that the treated wastewater is meeting the
desired standards for reuse/disposal.
28.1 Commitment
28.1.1 Ensure water from all sources (such as groundwater and municipal water) meets the water
quality norms as prescribed in the IS for various applications (Indian Standards for drinking
[IS 10500–1991], irrigation applications [IS 11624-1986]), cooling towers (as given in NBC
2005).
Note In case the water quality cannot be ensured, provide necessary treatment of raw water for achieving the desired concentrations for
various applications.
28.2 Compliance
28.2.1 Provide water optimization plan (water fl ow diagram giving the complete collection,
treatment, and distribution for diff erent applications).
28.2.2 Provide the water quality details from various sources before and after treatment.
28.2.3 Report/certifi cate from the local municipal authority for municipal water.
28.2.4 Provide the specifi cation details indicating the capacity and components of the treatment
plant along with drawings (product details from the manufacturer).
28.2.5 Quality checking frequency and sampling plan for potable water (as per given standard).
28.3 Appraisal (maximum points – 2) mandatory
28.3.1 Water quality conforming to IS standards, as per clauses 28.2.1–28.2.5 (2 points mandatory).
