Page 152 - GRIHA Manual Volume IV - Introduction to National Rating System
P. 152
Building operation and maintenance 143
Table 2 Illumination levels recommended by the National Building Code-2005
Area NBC Recommended
Ofice area_enclosed 300–500
Ofice area_open plan 300–500
Corridor 50–100–150
Restroom 100–150–200
Conference 300–500
Reception 200–300–500
Library 200–300–500
Source National Building Code - 2005
Main instruments for energy and comfort audit
Different types of instruments are used for conducting energy audits. Following is a list of different
types of instruments that are used for conducting audits along with their function.
Instrument name Function Photograph
Thermography imager To measure temperature gradient over
surface
Thermohygrometer Temperature and RH hourly data
collection
Infrared gun Instant temperature over the surface
Table 2 Illumination levels recommended by the National Building Code-2005
Area NBC Recommended
Ofice area_enclosed 300–500
Ofice area_open plan 300–500
Corridor 50–100–150
Restroom 100–150–200
Conference 300–500
Reception 200–300–500
Library 200–300–500
Source National Building Code - 2005
Main instruments for energy and comfort audit
Different types of instruments are used for conducting energy audits. Following is a list of different
types of instruments that are used for conducting audits along with their function.
Instrument name Function Photograph
Thermography imager To measure temperature gradient over
surface
Thermohygrometer Temperature and RH hourly data
collection
Infrared gun Instant temperature over the surface
