Page 21 - HUDCO-SHELTER-OCT21
P. 21

THEME PAPER


              multiple zones to allow more    built    with    ecologically   Aided Manufacturing (CAM)
              intelligent    controllability.  sustainable and renewable      and Computer Integrated
              Green roof, light coloured      resources. By passive design,   Manufacturing    (CIM)    for
              finishes    and    insulation   the  building  can  be  more    prefabricated   components,
              can help to reduce energy       climatically     comfortable.   viz. ceilings, walls, roofs,
              demand.                         It is necessary to specify      etc.  are  useful  in  reducing
                                              building materials which are    emissions,  dust and GH
              Green      and      Resilient   locally sourced and recycled    Gases. The simulation of
              Buildings                       from  reclaimed  construction   construction process enables

              A low carbon building can       and demolition wastes, that     better   control   of   time,
              also be comfortable,  green     have low embodied energy        machine, expenditure and the
              and energy efficient with       and  require  less  energy  for   manpower, and could reduce
              adequate    lighting,   good    transportation to the site.     costs and time by half to one-
              quality air, low noise, and     Cement production currently     third in comparison to the
              the ability to control the      accounts for around 2% of       conventional construction.
              environment. It should limit    global CO emissions. In this    Gender Equity
                                                        2
              the use of fresh resources by   light, several companies are
              resorting to recycling and      developing carbon-negative      Low carbon strategies cannot
              reuse.  An energy efficient     cements that  absorb CO         succeed  without  involving
                                                                          2
              building is closely linked to   during their production and     the women, who comprise
              conserving  fossil fuel usage.   use. Super-heat steam is used   nearly half of the population
              The heating, lighting, cooling,   to make cement from calcium   and use energy for everyday
              ventilation and powering of     magnesium          carbonate    work,    mobility,  cooking,
              buildings are responsible for   particles that take up large    etc.  However, they often
              approximately 40% of the        quantities of CO  as it hardens.   face   the ‘gender service
                                                             2
              total energy use. As buildings   By using magnesium oxide,      gap’ in terms of inequitable
              are  the  largest  energy  users,   carbonates and silicates, low-  access to energy, water and
              incorporating energy storage    temperature process absorbs     toilets. A low carbon city has
              into them will increase the     carbon dioxide during cement    to  be  gender  sensitive  with
              resilience of the total energy   production.  The  alternatives   adequate, safe and affordable
              distribution  network    and    to steel reinforcement  for     spaces for living, working
              enable widespread use of        bridges and buildings  that     and vending by the women.
              renewable energy.               reduce the carbon emission      Low Carbon Lifestyles
              It is estimated that 60% of     include new materials, like     Low  carbon  lifestyle  is  a
              the buildings required for      basalt, fiber composite bars.   cluster of habits, embedded in
              urban India by 2030 are yet     Building Information Models     a social context and enabled
              to be built. This is a unique   (BIM)   can    simulate   the   by efficient infrastructure that
              opportunity to shift towards    entire  construction  sequence   minimizes the use of natural
              green, sustainable, resilient   beforehand        addressing    resources   and   generation
              and low carbon buildings. The   sustainability  issues   and    of     emissions,     wastes
              use of energy can be reduced    reducing  carbon  emissions.    and    pollution.   Creating
              by day lighting, courtyards,    Automated procedures can be     sustainable  lifestyle  requires
              green roof, ventilation,  and   adopted for dust free, speedy   a change in social norms and
              integration   of   renewable    and more precise building       rethinking the ways of living
              energy sources.  These are      construction.     Computer-     based  on  the  principles  of


                                                           October 2021 Volume 22 No. 2 - SHELTER       19
   16   17   18   19   20   21   22   23   24   25   26