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Wienerberger Building Material Solutions

Architecture After COVID-19

By: Ar. Karl Wadia

In conversation with Architect Karl Wadia from Architect Hafeez Contractor, he explains how the pandemic COVI-19 is going to impact the practice of architecture, the need for ‘Informed Designs’, his thoughts on Biophilia and occupant wellness, and the true concepts of Net Zero & Carbon Neutral buildings.

Is COVID going to change the way we design buildings, and how is it going to impact the practice of architecture?

Pedestrian portal, Lodha Sterling, Thane Pedestrian portal, Lodha Sterling, Thane

It was a matter of time we began changing the way we design buildings and therefore I believe your question is more an inevitability than an “if”. Change has been in the offing for quite some time now and this pandemic is a catalyst for the entire fraternity that supports and participates in the design and construction of the built environment to embrace a new way of thinking and approaching design. In a sense it is a wake-up call. Architecture can no longer be about designing buildings that tick all the boxes on an excel sheet… be it cost, efficiency, glass to wall ratio, modularity, etc. Architecture needs to be more responsible.

In repositioning our architecture practices, our buildings too must be re-imagined to conform to their surroundings and connect us closer to nature, making the basics like fresh air and natural light as our guiding principles.

W54, Mumbai
W54, Mumbai

At the U.S.GBC 2020 Greenbuild India International Conference in Bangalore in February this year, your talk session was named – “Informed Design”. Can you opine on the relevance of this topic in the pre & post-pandemic era?

“Informed Design” is an approach to delivering design that thrives in a collaborative environment. I spoke at that conference with my friend and colleague Swati Puchalapalli, and our studios have been collaborating for some time now on projects where clients and promoters are willing to adopt an integrated approach do planning.

Sustainability is often an afterthought to the design process, however with the integrated approach; performance-based design takes centre stage from day 01. “Informed Design” is the umbrella under which performance-based simulations, documenting comfort, resource utilisation, airflow analysis, irradiation, sensitivity mapping, etc. form the genesis of early decision making.

This combined with the architect’s ability to make passive design decisions can substantially reduce the energy demands of the building while increasing the comfort factor from a heat, light, noise, and perception point of view. Deriving the architectural form and orientation in the master plan to improve the micro-climate of the site and pedestrian comfort while achieving maximum daylight access, thermal and visual comfort is possible through this process and ultimately manifests itself into an architectural design which is “informed” rather than impulsive.

Hanging Gardens, Rustomjee Crown, Mumbai
Hanging Gardens, Rustomjee Crown, Mumbai

What are your thoughts on Biophilia and occupant wellness, and its relationship to façade design?

Biophilia is a broad subject which is difficult to measure. Simply put, the immediate surroundings that we create for occupants in a building must be comfortable with the highest level of visual, light, thermal, air and sound quality. Good Biophilia is created by increasing occupant connectivity to nature, maintaining a visual and physical connection to the outdoors with ample access to daylight and natural ventilation. One can say that wellness is measured through Biophilia. There are enough studies to prove that people who work and live in environments that are intrinsically connected to nature get better sleep, have better concentration levels, and are more productive and attentive at their workplace or school.

Something as simple as access to natural views, natural daylight and natural air can have a profound effect on people and buildings. Designing a façade for a building is like choosing the right fabric for the shirt you wish to wear. There is only so much time you can spend in an uncomfortable shirt even though it may look good. A façade that is appropriate to its place and time will provide occupant comfort for decades to come, and that is the relationship between Biophilia and façades.

Adaptive reuse, Lodha Amara Sales Pavilion, Thane Adaptive reuse, Lodha Amara Sales Pavilion, Thane

Please tell us about a few of your notable projects?

We most recently won the bid for the Indian Institute of Management at Calcutta and besides this we are fortunate to be designing several institutions of National importance such as the National Rail & Transportation Institute at Baroda; the Indian Institute of Petroleum Energy at Vizag; Bits Pilani – Pilani Campus; Goa Campus & Hyderabad Campus; Two Campuses for Symbiosis; Hinduja College and notably our Griha 5 Star Rated Manipal University & Hostels Jaipur Campus.

Roof Garden at 225m height, Lodha Venezia, Mumbai
Roof Garden at 225m height, Lodha Venezia, Mumbai

We are also designing India’s largest upcoming hospitality project at Aerocity, New Delhi with conferencing, and a workplace offering. We won the bid for the Catalytic Development for Amravati Development Partners (A Singapore Consortium) which is another mixed use project. In the workspace segment, we have many ongoing projects in Mumbai’s BKC district, Bangalore, Pune as well as the World Trade Centre IT Park in Navi Mumbai, and DLF Chennai IT Park.

Residential projects form a big part of our portfolio and some of our notable works include Lodha Venezia, Amara, Sterling, Upper Thane and Bel Air. We are also the designers for W54 Residences, 25-South, Rustomjee Crown, Piramal Mahalaxmi, Lokhandwala Minerva, Wadhwa’s 465-acre township in Panvel – Wise City, 100-acre township for Prestige in Bangalore and several flagship projects for Godrej Properties including those at Altamount Road, Bandra, Vikhroli, Kharghar, Thane, and Bangalore.

Net Zero & Carbon Neutral are the latest buzz words. Is there more to this? Could you elaborate?

Façade palette (Granite + Terracotta + Aluminium), Lodha Venezia, Mumbai Façade palette (Granite + Terracotta + Aluminium), Lodha Venezia, Mumbai

Buzz words to some, are core design principles to others. Over the past decade we have been working to achieve our first 100% Net Zero Energy Building. At our Griha 5 Star Rated Manipal University Jaipur Campus, we designed and help build India’s largest Net Zero Energy Building, which also happens to be the third largest in the world.

Roof activation, ADP South India mixed use Roof activation, ADP South India mixed use

We were fortunate to have clients that set such high standards and allowed us to work with sustainability partner Terravidis without whom this dream would not have come to fruition.

Democracy in Design, School of Architecture, Mumbai
Democracy in Design, School of Architecture, Mumbai

The passive shading elements make sure that the building boasts of a staggering 600 Sq ft per ton of air conditioning as opposed to the India’s average of 150 Sq ft per ton, while ensuring complete occupant comfort, access to natural light and proximity to outside views.

Our next quest is to design for Carbon Neutrality in a return period of 20 years. This journey has taken us to West Bengal. IIM Calcutta’s 135-acre campus which is being re-planned considering active onsite off-setting and sequestration of existing buildings through lighting, HVAC, refrigeration, etc. Step 01 of the journey is making sure all new buildings are designed as Net Zero Energy with materials that be 100% recycled like Steel for instance.

By calculating the embodied Carbon of existing buildings, new constructions, transport, material manufacture, operations, cooking, material extraction, etc., we are preparing the Carbon Neutrality Road Map for the institute. This is something we take very seriously and is the sole focus for the studio in the coming decade.

Public Breezeway Asset 13 Aerocity, New Delhi Public Breezeway Asset 13 Aerocity, New Delhi

How is everything we have just talked about related to the windows & fenestrations industry?

Mixed use development, Worli Mumbai
Mixed use development, Worli Mumbai

Façade and windows are the first and last screen between human beings and the environment outside. In the European winters, we wear wool, leather and other such fabrics as they keep us thermally insulated; whereas in India, we prefer khadi and linen as they keep us well ventilated.

Think of designing a building like choosing a comfortable shirt. Often Architects describe glass as an evil material however I disagree. Remember; insulated glass is a better thermal insulator than reinforced concrete. Don’t believe it? Go check it out. To that end glass as a material has a lot of potential if prescribed well.

For too long, the industry looked upon shading as something that spoils the elevation of a building, but I think that as time progresses, you will see that architects doing buildings with façades which are more appropriate and give more thermal comfort, and more access to natural air and breeze.

While this pandemic may have taught us to keep our social distance, human beings have realised more than ever before the importance of being connected to nature. This more so will manifest itself in the architecture we propose moving ahead with better and more responsible façade and fenestrations for a happier and healthier existence.

Upcoming Pedestrian blaza, BKC, Mumbai Upcoming Pedestrian blaza, BKC, Mumbai

Ar. Karl Wadia

Senior Associate

Ar. Karl Wadia, Senior Associate; Architect Hafeez Contractor; has always had a penchant for design. He graduated from The Academy of Architecture, Mumbai in 2003 and completed post graduate degree from the Columbia University in New York. His humble beginning in the field of architecture started as a young intern at Architect Hafeez Contractor’s office. Karl, through hard work and dedication, now heads a team of approximately 70 Associates, Architects and CAD Team, popularly known as ‘Karl Group’ at AHC (Architect Hafeez Contractor).

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