Page 48 - Shashwat - Restoring Green Economy

Feature

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Solar reflectors: These can be used an effective alternative. The area of be large openings in the building’s
to increase the lighting by helping it openings on the exterior surface or volume to ensure proper wind flow in
penetrate into those spaces which the surface facing the internal chowk and around the buildings. This will
are shaded due to external factors. In increases due to the provision of streamline the wind flow (Figure 6)
the gaps between two SRA buildings, grills. This allows better light to enter and create an opening for the air to
which are closely packed, these the building inner volume. flow inside the building evenly.
reflectors can be used to light up
the existing SRA buildings (Figure Through and through refuge: The
5) if they do not meet the sufficient refuge floor was mostly found to be Conclusion
amount of daylighting levels. With open on one side only. By making the SRA buildings intend to serve the
these reflectors installed on top of refuge floor through and through, the purpose of providing slum dwellers
the building, the ventilation shafts rate of wind flow can be improved. with housing and better living
can also be lit to ensure that adequate The wind flow was found to be conditions. But in the current
light reaches the corridors and more streamlined with an improved scenario, the quality of the SRA
corners deep down the shafts. quality too (Figure 6). settlements needs reconsideration.

Grills for parapet: The provision of Large openings: Continuously The existing buildings, which are
unable to meet the quality standards,
grills or punctured designs in place packed buildings tend to obstruct the should be revived with mitigation
of solid handrails was found to be movement of the wind. There should

May 21 April 21
March 21 Solar Reflectors
June 21 Addi on of Solar
December 21 reflectors on terrace to
reflect sunlight on lower
floors
Reflected light through
solar reflectors
Reflected Light through
Refuge Floors

Reflected Light through
Refuge Floors
Shaded Area
Increase in Reflected
Light through white/light
color paint & High
Albedo Road.
SECTION - Showing light SECTION - Showing light ELEVATION
penetra on for Base Design. penetra on for Proposed Design. 25000Lux
Concave Mirrors Convex 22500
Mirrors
Convex 20000
Mirror
17500
15000
12500
10000
7500
5000
2500
Illumina on analysis SCHEMATIC SECTION
» Figure 5: Solar reflectors between two closely packed towers