This document discusses building operation and maintenance, focusing on maintenance and housekeeping, metering and monitoring, energy, water, human health and comfort. It provides case studies of the ITC Grand Chola hotel in Chennai and the GAIL office in Mumbai, noting strategies each uses around water and energy conservation, waste management, and ensuring indoor environmental quality. Maintaining buildings for optimal performance requires considering factors like energy and water use, thermal, visual and acoustic comfort.

1. BUILDING
OPERATION AND
MAINTENANCE
By
Sakthivel S R

2. MAINTENANCE AND HOUSE
KEEPING
• Maintenance, Green Procurement &Waste Management
• INTENT
• To ensure good practices for safety, waste management, and green
procurement.
• Metering & Monitoring
• INTENT
• Promote reliable metering and monitoring.

6. ENERGY
• Energy efficiency
• INTENT
• Ensure energy efficiency
• Renewable energy utilization
• INTENT
• Promoting the use of renewable energy utilization.

8. WATER
• Water quantity and quality
• INTENT
• Providing optimum quantity with
the preferred quality
• Waste water treatment
• INTENT
• To reduce the water consumption

10. HUMAN HEALTH AND COMFORT
• Achieving indoor comfort
• INTENT
• Ensure that building spaces provide for thermal, visual and most
importantly acoustic comfort.
• Maintaining good Indoor air quality
• INTENT
• Promotes the health and the working conditions.

11. Thermal comfort and Efficiency
methods
• Weather stripping of windows and
doors
• Temperature and humidity setting
• Temperature should be between
23- 25 deg C and the relative
humidity between 55- 65 %.
• Air handling unit fan speed.
• With variable speed, as much as
15% of the energy consumption can
be reduced.

12. Lighting comfort
• Providing the appropriate amount of Lux per square
meter is one of very important factors in lighting
assessment.
• This appropriate amount will depend on the location,
because each location will have a different requirement
and also with respect to the room index.

14. Acoustic comfort
• The acceptable noise level during
the day is around 75 decibels.
• During the night, it is even lower,
it should be around 50 decibels.
• Trees and seclusion are the best
insulators of noise.

15. CASE STUDY 1- ITC GRAND
CHOLA, CHENNAI
• Reduction in water consumption by 50.7% by using low flow fixtures.
• 90% of the waste water is recycled.
• Energy efficient lightings with control systems complying with ECBC.
• External shading both naturally and with solar shades.

16. • Appropriate building envelope
which help reduce HVAC load.
• Installed capacity for wind is
12600 KW.
• Noise levels both indoor and
outdoor are well within the values
set by the CPCB.

17. CASE STUDY 2- GAIL OFFICE,
MUMBAI
• Reduction in water consumption
by 45% by using low flow fixtures.
• Waste water treatment plant
within the campus.
• Artificial lighting design as per
NBC norms.

18. • External shading both naturally and with solar shades.
• Proper insulation and building envelope for maintaining
thermal comfort and reduced HVAC load.
• Solar PV panel of 4kWp capacity is installed which
contribute to about 10% of the total lighting load.

19. CONCLUSION
• The building operation and maintenance is a
combination of various factors as below,
• Energy
• Water
• Thermal, visual and acoustic comfort.
• Each of these should be monitored at all times so that a
good working condition is achieved and mainta

20. References
• GRIHA manual
• GRIHA manual for existing buildings
• GRIHA assessment for ITC Grand Chola, Chennai
• GRIHA assessment for GAIL office, Mumbai.