21.1 For requirements regarding electrical installations in buildings including lightning protection of buildings, reference shall be made to Part 8 'Building Services
Section 2 Electrical and Allied Installations' of the Code.
21.2 Solar Energy Utilization
The solar panels can be provided on roof tops and integrated photovoltaic panels on walls/windows as well as solar photovoltaic (PV) banks on open areas.
21.2.1 Solar Photovoltaic Power Generation System
All plots having size and above shall install solar photovoltaic power generation system. This should also be encouraged for plots smaller than . The power generated may be used for in-house utilization or for transfer to the grid. The Authority shall have required provisions in the building bye-laws and mechanism for required clearances and approvals. The Authority shall also specify minimum generation requirement. The following may be used as a guide:
| Sl No.(1) | Building Type(2) | Plot Size(3) | Generation Requirement(4) |
|---|---|---|---|
| i) | Residential (Plotted houses) | and above | 1 kWp or 5 percent of connected load, whichever is higher |
| ii) | Residential (Group housing) | All sizes | Minimum 5 percent of connected load |
| iii) | Business, educational buildings having connected load of 30 kW and above | and above | 5 kWp or 5 percent of connected load, whichever is higher |
| iv) | Mercantile, hotels, motels, assembly, industrial and institutional buildings | and above | for buildings having connected load of:a) or 5 percent of connected load whichever is higherb) or 5 percent of connected load whichever is higher |
21.2.2 Solar Water Heating System
The following building occupancy types shall install solar assisted water heating system for supplying hot water:
a) Residential buildings (except hostels of educational buildings and plotted houses) having plot area 4 000 m² and above;
b) Plotted houses having plot area of and above;
c) Hostels for schools, colleges and training centres for more than 100 students;
d) Institutional buildings; and
e) Assembly buildings
The Authority shall have required provisions in the building bye-laws and mechanism for required
clearances and approvals. The Authority, considering the availability of solar energy for harnessing, shall decide the minimum capacity be installed subject to a minimum of 25 litre per day hot water yield for each bathroom and kitchen.
For solar water heating system and their installation reference shall be made to accepted standards and good practice [3(4)].
22 AIR CONDITIONING, HEATING AND MECHANICAL VENTILATION
For requirements regarding design, construction and installation of air conditioning, heating and mechanical ventilation systems, reference shall be made to Part 8 ‘Building Services, Section 3 Air Conditioning, Heating and Mechanical Ventilation’ of the Code.
23 ACOUSTICS, SOUND INSULATION AND NOISE CONTROL
For requirements regarding the desired noise levels and sound insulation in different occupancies, reference shall be made to Part 8 ‘Building Services, Section 4 Acoustics, Sound Insulation and Noise Control’ of the Code.
24 HEAT INSULATION
For calculation of solar radiation on buildings and recommended limits of thermal transmittance of roofs and walls for different parts of the country and heat transmission losses due to different constructions, reference may be made to good practice [3(5)].
25 INSTALLATION OF LIFTS, ESCALATORS AND MOVING WALKS
Provision for lifts shall be made for buildings 15 m or more in height. For requirements regarding planning, designing and installation, etc, of lifts and escalators, reference shall be made to Part 8 ‘Building Services, Section 5 Installation of Lifts, Escalators and Moving Walks’ of the Code.
26 INFORMATION AND COMMUNICATION ENABLED INSTALLATIONS
For requirements regarding information and communication enabled installations in buildings, reference shall be made to Part 8 ‘Building Services, Section 6 Information and Communication Enabled Installations’ of the Code.
27 PLUMBING SERVICES (INCLUDING SOLID WASTE MANAGEMENT)
For requirements regarding water supply, drainage and sanitation, solid waste management and gas supply, reference shall be made to Part 9 ‘Plumbing Services (including Solid Waste Management)’ of the Code.
28 SUSTAINABILITY
For requirements regarding sustainable buildings and built environment, reference shall be made to Part 11 ‘Approach to Sustainability’ of the Code.
29 ASSET AND FACILITY MANAGEMENT
For requirements regarding asset and facility management in respect of existing buildings and services thereof, reference shall be made to Part 12 ‘Asset and Facility Management’ of the Code.
PART 3 DEVELOPMENT CONTROL RULES AND GENERAL BUILDING REQUIREMENTS