Tuesday, April 19, 2011

Green Healing; LEED Certified Health Care

Author: Ar Mayank Kaushal (Max Healthcare)

The new trend in India is to craft green buildings by focusing on environment friendly options which are LEED rated, ECBC compliant or Griha rated. Also, the sudden wake in the construction industry is good for the country as a whole, and one cannot sideline factors like environmental protection, global warming, and good and healthy building construction practice among others in this infrastructure growth.


Max Healthcare, having created a distinction in healthcare with a clear focus on service and medical Excellencies, also nurtures a vision to incorporate the best practices in its infrastructure. With a built up area of approx 0.23 million sq.ft , The “Max Super Specialty Hospital” in Patparganj received LEED India Gold Rating under IGBC and is the First LEED certified Hospital Building of Northern India and also the first building in Delhi to be awarded the Gold Rating with LEED Certification.

It houses 258 bed facilities with best patient care services in sync with the technology and strives to merge sustainable features within the complex services of a Tertiary Care Super Specialty Hospital Building. It is designed to enhance the maintenance of health, rather than the management of disease, reduce stress by creating a more relaxed environment and support inmates’ dignity and identity. The basic design principles include, ‘the healing environment’, patient focus, energy efficiency, life cycle costing involving a wealth of previous experience/post occupancy evaluation, knowledge of current and future trends, value for money, community involvement with cultural references, natural light and views, clarity of entrances and circulation (people oriented).

The hospital uses energy-efficient light fixtures which reduce the power consumption and further the air-conditioning power load because of less heat from fixtures. The power consumption (post survey) shows reduced energy levels of more than 18 percent which includes power usages of machines and equipments used in the hospital. The building also maintains the LPD (Light Power Density) of as low as 0.7 watts per sq.ft. of area which is very low for hospital lighting design. Power savings are achieved without sacrificing the Lux level of such a critical environment, the hospital maintains the Lux required by NBC (National Building Code).
The project has given significant importance to air-conditioning, heat reduction and incorporated passive green measures such as High performance solar & thermal insulated double glazed glass windows and facade, reflective roof top tiles etc, to reduce maximum heat impact on the building. The building follows ASHRAE (American Society of Heating, Refrigeration and Air-conditioning Engineers) which is the bench mark standard for HVAC and is known for their accuracy in calculating permutations and combinations for savings (LEED recognizes and follow these standards). The hospital uses R134a, which is worldwide considered as safe refrigerant. Post completion, stringent indoor air quality checks were carried out on-site to ensure that the best quality of air is circulated for the end users. To maintain good air quality standards, the hospital has also used low VOC compounds for all finishing materials such as paints, adhesives, etc.

Glass being the only construction material that provides the benefits of daylight integration & blending of interiors with exteriors (Outdoor views) helped achieve the objectives of being green and enhancing aesthetics required for a temple of healing. The introduction of daylight and outside views at strategic points within the building plan enhance the quality of the internal environment - mandatory for a hospital environment. Productivity of building users (Working staff) & mental harmony of the patients & visitor increases within a properly ventilated day lit and well designed environment. The building is designed to use less energy, with a more economical running and maintenance cost in the long term. The design of the project focuses on careful attention to, Orientation, design and planning for user comfort rather than the costly innovation or high maintenance controls. Glass brought into the design - the advantage of being a clean & easy maintainance material that also helps bring in a Hygienic & clean environment.

Saint-Gobain advanced Solar Control & thermal insulation Low-e glass SGG Tropica Green (KT 440) was used for the glass facade for building envelope. The Glass with adequate light transmission of 30% allows soothing natural daylight - eliminating the use of artificial lights during daytime operation & use of venation blinds. The High Solar & thermal properties of 0.20 & 1.8 W/SqmK respectively reduce the heat gain and hence the cooling requirements. The low internal reflection of 12% eliminates "Mirror effect" that occurs during evenings when artificial lights are ON, this is a key aspect of design intent for glass selection because it allows vision beyond the carpet area & eliminates "Claustrophobic" effect due to enclosed spaces - again a welcome atmosphere for a healing environment. The Green Colour symbolizes harmony and brings in a sense of faster cure for the inmates - the patients.

The UV transmission of glass is as low as 6%, a key functional aspect that helps keep the lit interiors safe from harmful and hazardous UV radiation.
Keeping all LEED certification measures as top priority, Max Healthcare has declared its commitment towards the environment protection campaign. The Max Super Specialty Hospital Palparganj will now encourage and accelerate the global adoption of the concept of a Green Building and has become a paradigm not only for the upcoming hospitals, but also for the green building aspirants of the nation.

Thus, choosing a right glass contributed to the project's expectations of becoming a green citadel of healing.

Max Super Speciality Hospital’ in Patparganj, New Delhi.
Owner - Max Healthcare Institute Ltd.
Chief of projects - Mr Pritipal Singh
International Architect - Ar Richard Wood (Wood Associates)
Lead Architect - ArApurva Srivastava (Max Healthcare)
Project Architect (Green Building Coordinator)- ArMayank Kaushal (Max Healthcare)
Project Manager - Mr Vijay Kumar Tyagi
Plumbing Consultants – Kothari Associates.
Local Architect – Kothari Associates
Electrical Consultants - Kanwar KrishenAssociates PvtLtd
HVAC Consultants - Enviorocon Engineering Services
Area - 2,23,593 st ft
LEED Facilitator – Enviornmental Design Solutions

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