Page 87 - GRIHA Manual Volume I - Introduction to National Rating System
P. 87
74 Griha Manual: Volume 1
Criterion 14 Optimize energy performance of building
within specifi ed comfort limits
Objective
To optimize use of energy systems in buildings that maintain a specifi ed indoor climate conducive
to the functional requirements of the building.
14.1 Commitment
14.1.1 Follow mandatory compliance measures (for all applicable buildings) as recommended in
the Energy Conservation building Code 2007 of the BEE, Government of India.
14.1.2 Perform hourly calculation to show that in air conditioned areas the thermal comfort
conditions as specifi ed in the National Building Code 2005, BIS, are met for 100% of all
occupied hours.
14.1.3 Perform hourly calculations to show that in non-air conditioned areas, the thermal comfort
conditions as specifi ed in GRIHA are met for 90% of all occupied hours for buildings in
composite, moderate and hot-dry climate and are met for 60% of all occupied hours for
buildings in warm-humid climate .
14.1.4 Show that utilization of energy systems in a building, under a specifi ed category is less than
the benchmarked energy consumption fi gure, through a simulation exercise. The energy
systems includes air conditioners, indoor lighting systems, water heaters, air heaters and air
circulation devices.
14.1.5 The annual energy consumption of energy systems in a fully air-conditioned building (for
day and 24 hour use) should not exceed the limits of benchmarked energy consumption
fi gure in GRIHA.
14.1.6 The annual energy consumption of energy systems in a non-air-conditioned building (for
day and 24 hour use) should not exceed limits of benchmarked energy consumption fi gures
in GRIHA.
14.1.7 In a building that includes both air-conditioned and non-air-conditioned areas, the annual
energy consumption of energy systems should not exceed the benchmarked energy
consumption limits.
14.1.8 Quantify energy usage for all electrical, mechanical, and thermal systems for which either
electrical or thermal energy is used. Quantify energy usage for each system used in providing
lighting , air conditioning , ventilation , heating (water and air), and air circulation.
14.2 Compliance
The following documents should be submitted.
14.2.1 A narrative and drawings from architect/services consultant along with manufacture
cutsheet, describing compliance of the building with the mandatory provisions (section
4.2, 5.2, 6.2, 7.2 and 8.2) of the ECBC 2007 of BEE (GoI).
14.2.2 Annual energy consumption data for the building and the unmet comfort conditions for
non-AC area, as per GRIHA, supported by the simulation results from the software used.
Criterion 14 Optimize energy performance of building
within specifi ed comfort limits
Objective
To optimize use of energy systems in buildings that maintain a specifi ed indoor climate conducive
to the functional requirements of the building.
14.1 Commitment
14.1.1 Follow mandatory compliance measures (for all applicable buildings) as recommended in
the Energy Conservation building Code 2007 of the BEE, Government of India.
14.1.2 Perform hourly calculation to show that in air conditioned areas the thermal comfort
conditions as specifi ed in the National Building Code 2005, BIS, are met for 100% of all
occupied hours.
14.1.3 Perform hourly calculations to show that in non-air conditioned areas, the thermal comfort
conditions as specifi ed in GRIHA are met for 90% of all occupied hours for buildings in
composite, moderate and hot-dry climate and are met for 60% of all occupied hours for
buildings in warm-humid climate .
14.1.4 Show that utilization of energy systems in a building, under a specifi ed category is less than
the benchmarked energy consumption fi gure, through a simulation exercise. The energy
systems includes air conditioners, indoor lighting systems, water heaters, air heaters and air
circulation devices.
14.1.5 The annual energy consumption of energy systems in a fully air-conditioned building (for
day and 24 hour use) should not exceed the limits of benchmarked energy consumption
fi gure in GRIHA.
14.1.6 The annual energy consumption of energy systems in a non-air-conditioned building (for
day and 24 hour use) should not exceed limits of benchmarked energy consumption fi gures
in GRIHA.
14.1.7 In a building that includes both air-conditioned and non-air-conditioned areas, the annual
energy consumption of energy systems should not exceed the benchmarked energy
consumption limits.
14.1.8 Quantify energy usage for all electrical, mechanical, and thermal systems for which either
electrical or thermal energy is used. Quantify energy usage for each system used in providing
lighting , air conditioning , ventilation , heating (water and air), and air circulation.
14.2 Compliance
The following documents should be submitted.
14.2.1 A narrative and drawings from architect/services consultant along with manufacture
cutsheet, describing compliance of the building with the mandatory provisions (section
4.2, 5.2, 6.2, 7.2 and 8.2) of the ECBC 2007 of BEE (GoI).
14.2.2 Annual energy consumption data for the building and the unmet comfort conditions for
non-AC area, as per GRIHA, supported by the simulation results from the software used.
