Energy- Efficient Architecture: Punjab Mandi Bhawan, Mohali, Punjab.

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Energy- Efficient Architecture: Punjab Mandi Bhawan, Mohali, Punjab.

  1. 1. Energy-Efficient Architecture: Punjab Mandi Bhawan, Mohali. Architect: Sarbjit Singh Bahga
  2. 2. Energy-Efficient Architecture: Punjab Mandi Bhawan, Mohali. Architect: Sarbjit Singh Bahga Overview:  Historical background  Location and layout plan  Layout plan  Challenges before the architect  About the building  Plans  Orientation and built-form  Pictures  Client’s brief  Energy-efficiency measures  Pictures  Philosophy  Conclusion  About the architect
  3. 3. Energy-Efficient Architecture: Punjab Mandi Bhawan, Mohali. Architect: Sarbjit Singh Bahga Historical Background  Punjab State Agricultural Marketing Board is a semi-government corporate body established in 1961 with an objective to control and supervise the marketing network of sale, purchase, storage and processing of agriculture produce in the state. It is also a local authority with power to acquire, hold and sell property.  Earlier the Board was functioning from its own head office building in Sector-17, Chandigarh. With the growth of its activities and increase in staff strength, its office space became inadequate. More so there was acute shortage of parking space around it. The Board thus decided to construct its bigger and efficient corporate office building in Sector-65 A, Mohali adjacent to Chandigarh.
  4. 4. Location and Layout  The new head office building becomes part of large multi-utility complex comprising state-of-the- art fruit and vegetable market, commercial shops and showrooms established by the Board on a 20-acre plot. The Head Office Building is located on a plot of two acres on the south-west fringe of the complex. It is approachable from two sides, one from main road on north-west and the other from side road on the south-west side. Energy-Efficient Architecture: Punjab Mandi Bhawan, Mohali. Architect: Sarbjit Singh Bahga
  5. 5. Energy-Efficient Architecture: Punjab Mandi Bhawan, Mohali. Architect: Sarbjit Singh Bahga Layout Plan
  6. 6. Energy-Efficient Architecture: Punjab Mandi Bhawan, Mohali. Architect: Sarbjit Singh Bahga Challenges before the architect:  To design the office building which will match in comfort and ambience with modern corporate offices being built now-a-days.  To evolve an architectural vocabulary which will be a blend of those of Corbusian era as well as latest trends in office buildings viz-a-viz new materials and technologies?  To make building energy efficient and portray the energy efficient measures on its exterior expression.
  7. 7. About the building:  The building having an area of 152000 square feet plus 57000 square feet basement comprises six floors above ground. Basement is meant for parking of 150 cars and requisite services. Two circular ramps provide ingress and egress to the basement. The ground floor accommodates mainly entrance foyer, multipurpose hall, and miscellaneous services like bank, health clinic, gymnasium, maintenance stores etc. all the main offices are on upper five stories. Energy-Efficient Architecture: Punjab Mandi Bhawan, Mohali. Architect: Sarbjit Singh Bahga Cross section of the building.
  8. 8. Energy-Efficient Architecture: Punjab Mandi Bhawan, Mohali. Architect: Sarbjit Singh Bahga Plans:
  9. 9. Energy-Efficient Architecture: Punjab Mandi Bhawan, Mohali. Architect: Sarbjit Singh Bahga Plans:
  10. 10. Energy-Efficient Architecture: Punjab Mandi Bhawan, Mohali. Architect: Sarbjit Singh Bahga Plans:
  11. 11. Energy-Efficient Architecture: Punjab Mandi Bhawan, Mohali. Architect: Sarbjit Singh Bahga Plans:
  12. 12. Energy-Efficient Architecture: Punjab Mandi Bhawan, Mohali. Architect: Sarbjit Singh Bahga Plans:
  13. 13. Energy-Efficient Architecture: Punjab Mandi Bhawan, Mohali. Architect: Sarbjit Singh Bahga Orientation & built –form:  The built-form of the office building has been evolved ingeniously keeping in view all the constraints and goals.  In plan, the block is fragmented into three blocks. Two square blocks of 75 x75 feet size each at the ends have been rotated to an angle of 45 degrees.  By doing this major portion of the office building made to fall in north –south direction which is considered good orientation.  These blocks which accommodate the major chunk of the offices draw natural light mainly from north or south side.  East and west facades have been made largely blank.
  14. 14. Energy-Efficient Architecture: Punjab Mandi Bhawan, Mohali. Architect: Sarbjit Singh Bahga Orientation & built –form:  The central block which accommodates rooms of senior officers remained in south-west and north-east directions –the orientation dictated by the lay of the plot.  Out of these two directions, the north-east side is considered good as it receives morning sun which is always welcome. Hence no special treatment was required.  The unwanted sun on the south-west side has been cut off by a combination of vertical louvers and horizontal roof overhangs.  This vocabulary has been inherited from Le Corbusier as the architect wanted to incorporate it in the design of this building as a mark of reverence to the master especially when it falls in close vicinity to his works.
  15. 15. Pictures: Building has been oriented in such a way that day light has been drawn from north side and west side has been kept blank. Predominantly blank facade on west and south-west sides. Energy-Efficient Architecture: Punjab Mandi Bhawan, Mohali. Architect: Sarbjit Singh Bahga
  16. 16. Pictures: Combination of vertical louvers and roof overhangs designed to cut off unwanted sun on south-west side. South-west facade. Energy-Efficient Architecture: Punjab Mandi Bhawan, Mohali. Architect: Sarbjit Singh Bahga
  17. 17. Energy-Efficient Architecture: Punjab Mandi Bhawan, Mohali. Architect: Sarbjit Singh Bahga Client’s brief:  As per the client’s brief given to the architect, the building has to incorporate the latest innovations for human comfort and ambience.  As a result the architect has to go in for a fully air conditioned building with ultra modern gadgets, lighting, furniture etc.  Since the building has to be hi-tech and fully air conditioned the need to incorporate energy efficient measures becomes even more.
  18. 18. Energy-Efficient Architecture: Punjab Mandi Bhawan, Mohali. Architect: Sarbjit Singh Bahga Energy- efficiency measures: The following measures were taken to reduce the energy consumption in the building:  Moulding and orienting the building in right direction.  Exploring the concept of mutual shading.  Minimizing the penetration of sun by vertical louvers and horizontal roof overhangs. Facade detail on south-west side.
  19. 19. Energy- efficiency measures:  Emphasis of natural light.  Drawing maximum day light from north and south directions.  Making east and west facades predominantly blank.  Use of cavity walls on outer façade. Energy-Efficient Architecture: Punjab Mandi Bhawan, Mohali. Architect: Sarbjit Singh Bahga North-east facade.
  20. 20. Energy-Efficient Architecture: Punjab Mandi Bhawan, Mohali. Architect: Sarbjit Singh Bahga Energy- efficiency measures:  Use of double-skin solar control glass (6mm+12mm+6mm) which blocks upto 73% of solar heat by reflecting it to the outside.  All solid portions of external façade are clad in aluminium coated panels (ACP) which also reflect the solar heat outside. Also the gap in between the structural wall and cladding acts as cavity which further cut off the solar heat.  Special efforts have been made to cut off the heat of sun from terrace. Use of foam concrete has contributed a lot in this regard.  Incorporation of building management (BMS) and Light Management System (LMS) for optimal use of air conditioning and artificial lighting.
  21. 21. South-west facade has been kept predominantly blank to keep off sun. Energy-Efficient Architecture: Punjab Mandi Bhawan, Mohali. Architect: Sarbjit Singh Bahga Pictures: Pictures:
  22. 22. Pictures: View from north. Inviting entry. Energy-Efficient Architecture: Punjab Mandi Bhawan, Mohali. Architect: Sarbjit Singh Bahga
  23. 23. Pictures: Entrance to building on north- east side. North-east facade. Energy-Efficient Architecture: Punjab Mandi Bhawan, Mohali. Architect: Sarbjit Singh Bahga
  24. 24. Pictures: Top-lit atrium draws natural light in the centre. Emphasis on natural lighting. Energy-Efficient Architecture: Punjab Mandi Bhawan, Mohali. Architect: Sarbjit Singh Bahga
  25. 25. Pictures: Detail of skylight on central atrium. Skylight on top of central atrium. Energy-Efficient Architecture: Punjab Mandi Bhawan, Mohali. Architect: Sarbjit Singh Bahga
  26. 26. Pictures: Energy-Efficient Architecture: Punjab Mandi Bhawan, Mohali. Architect: Sarbjit Singh Bahga View from south-east.
  27. 27. Pictures: View from north side. Building has been oriented in such a way that day light has been drawn from north side and west side has been kept blank. Energy-Efficient Architecture: Punjab Mandi Bhawan, Mohali. Architect: Sarbjit Singh Bahga
  28. 28. Pictures: . Projecting block on north-east accommodate conference hall. Energy-Efficient Architecture: Punjab Mandi Bhawan, Mohali. Architect: Sarbjit Singh Bahga
  29. 29. Philosophy: Energy-Efficient Architecture: Punjab Mandi Bhawan, Mohali. Architect: Sarbjit Singh Bahga The building is a showcase of architect’s accumulated philosophy and incorporates salient features like:  Strict geometric order,  Symmetry,  Clarity in structural systems and services,  Use of contemporary materials and technology.
  30. 30. Energy-Efficient Architecture: Punjab Mandi Bhawan, Mohali. Architect: Sarbjit Singh Bahga Conclusion: Energy saved is energy produced.
  31. 31. About the architect: Sarbjit Singh Bahga Sarbjit Singh Bahga (b1957) is a Chandigarh based architect, urbanist, author and photo-artist. He graduated in architecture from Panjab University, Chandigarh, (Chandigarh College of Architecture) in 1979. He works in the Department of Architecture, Punjab and has 33 years of practical experience in designing and supervision of various types of buildings, complexes and large campuses. He is presently working on deputation as Senior Architect in the Punjab Mandi Board, Chandigarh. His completed works include an eclectic and impressive range of medical, educational, administrative, commercial and residential buildings. His buildings are interesting and responsive to function, climate and materials. He is a staunch modernist and an ardent, yet not blind, admirer of Le Corbusier, Pierre Jeanneret and Louis Kahn. Sarbjit is also a keen researcher, a prolific architectural writer, and a Fellow of United Writers’ Association of India. He has six books to his credit. His books, Modern Architecture in India: Post-Independence Perspective (1993), New Indian Homes: An Architectural Renaissance (1996) and Le Corbusier & Pierre Jeanneret: Footprints on the Sands of Indian Architecture are considered as landmarks in the history of contemporary architecture of India. Apart from this, he is a keen photo-artist especially in the field of architectural photography and has won many awards in this field. Bahga takes special interest in the overall development of profession of architecture and improvement of built-environment. He is an active member of many professional associations including the Indian Institute of Architects. His contribution to architecture has been largely recognized and his buildings/articles have been widely published in many architectural journals and books. Email: bahga.architect@gmail.com Energy-Efficient Architecture: Punjab Mandi Bhawan, Mohali. Architect: Sarbjit Singh Bahga

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