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Enabling Private Sector Engagement with ENS Affordable Housing In India

  • Date:
  • Author(s)/Creator(s):
    Tanmay Tathagat
    Dipti Arora
    Mohit Verma
    Amrita Ranjan
  • Publisher(s)/Producter(s):
    Global Buildings Performance Network

The shortlisted projects were assessed for ENS compliance in 2 steps.

The first step dealt with ENS 2018 part 1: Building envelope. The design layouts and identified building materials for each project were studied. These parameters were analysed in compliance with the ENS 2018 requirements to evaluate the project's performance and required measures to mitigate any observed non-compliance. Most of the projects met the three sections of the window to floor area ratio, visual light transmittance and RETV requirements. Meeting the roof u-value requirement was a major challenge for all projects. Extensive analysis was done to provide the projects with options that would help meet the RETV and roof u-value requirements in terms of alternate building materials, changing the parameters of the existing material, and adding insulation. Case studies of executed projects were shown to the respective project teams to build confidence and showcase possible implementation measures with minimum changes in the project cost.

The second step of analysis dealt with assessing the projects regarding their electro- mechanical and renewable energy systems. Information on standard practices and guidelines were shared with the project teams. Based on this, a scorecard was generated as per ENS 2021, and the projects were assigned points based on their ENS 2018 performance and standard practices. For all other sections, recommendations were provided, based on which detailed discussions were held for improving the scorecard and addressing requirements for ENS.

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