This project is funded by The European Unions

This project is funded by The European Union’s programme for India Clean Energy Cooperation with India (CECI): Legal and policy support to the development and implementation of energy efficiency legislation for the building sector in India (ACE: E 2) ECBC Compliant Building Project – Demo Project First Regional Workshop to Implement Energy Conservation Building Code (ECBC) in India th 18 May 2018 Session 4 - Demonstration Project MEDA, Pune 18 th May 2018 This project is funded by The European Union Member of SACO consortium 1 Project implemented by EXERGIA S. A. member of SACO Consortium, in collaboration with Pw. C India

Purpose of Demo Project 01 02 03 Member of SACO consortium To showcase the technical practicalities in achieving ECBC compliance in a building To demonstrate the benefits of ECBC compliance building in terms of energy saving and financial viability of the project To provide confidence developers institutions evidence and to designers, and financial

Key stages- Demonstration project q q The scope of work include the following § Identification of buildings § Collection of data § Data analysis Technoeconomic analysis § Report preparation and submission The various stages of a building in which the abovementioned scope of work will be applicable are Stage 1 • Design feasibility process Stage 2 • Complete design of the building Stage 3 • Tendering • Procurement of contractor Stage 4* • Construction and supervision Stage 5* • Commissioning Stage 6* • Monitoring and Reporting • Study tours 3 Member of SACO consortium

Identification of Demonstration project for ECBC Compliance 1 2 3 New Building a connected load of 100 k. W or greater (Contract demand of 120 k. VA or greater). having conditioned area of 500 Sqm or more. 4 Member of SACO consortium

Eligible building types under ECBC Hospitality (Star hotel, no star hotel, Resort) Assembly (theatres, gathering halls, transport buildings like airports, railway stations, bus stations, and underground and elevated mass rapid transit system) Educational (schools, colleges, universities, training institutions) Shopping Complex (shopping malls, standalone retails, open gallery malls, super markets, or hyper markets) 5 Member of SACO consortium Business Buildings) Health Care (Office

Project team Project Team Architects Civil engineers ECBC Expert (in-house or consultants) 6 Member of SACO consortium Electrical engineers

Data requirement and Roles and responsibilities Data requirement Responsible person Auto. CAD plans, sections and elevations Architect Wall, roof and glass composition Cooling demand, proposed cooling system details (type, capacity, efficiency) Lighting fixtures, lighting load, comfort details Architect Service water Plumbing consultant Solar hot water Plumbing and electrical consultant Electricity distribution system Electrical consultant Renewable sources of energy Electrical consultant Metering system Electrical consultant Energy performance details Energy/Green building consultant 7 Member of SACO consortium HVAC consultant Lighting consultant

Overall Approach to Demonstrate ECBC compliance Building design Wall optimization Envelope optimization Roof optimization Fenestration optimization Lighting system optimization Daylight optimization HVAC system optimization Final building loads and consumption Inside temperature optimization Optimized Electrical load(k. W) Heat load optimization Optimized Cooling load (TR) Low energy strategies Artificial lighting Daylight integration Efficient HVAC equipment selection Timespan- 2 -6 months 8 Member of SACO consortium Optimized energy consumption (k. Wh)

Analysis Sun Path Diagram Climate analysis Wind rose Diagram Shadow analysis 9 Member of SACO consortium Radiation analysis

MEDA New building case study 10 Member of SACO consortium

Output End Uses ECBC Standard MEDA Building case Electricity (k. Wh) A Total 591800 Built up area 84000 Electricity (k. Wh) Energy Saving % B ((A-C)/A)*100 350250 41% 84000 EPI ratio 45 76 0. 60 Super ECBC building 11 Member of SACO consortium

Financial analysis Cases MEDA Building Energy reduction (k. Wh/yr) 241550 Monetary benefit (INR/yr) 2415500 12 Member of SACO consortium Incremental Simple cost (INR) Payback (in years) 67000000 2. 7

Discussion points q What are deciding factors for a project to consider ECBC § Impact of ECBC on initial cost and life cycle cost of a building Key challenges perceived to adopt ECBC – Public/Private q Developer’s perspective on ECBC compliant buildings- Business case q Changes required in existing administrative compliance processes q § Building bye laws § Modification in SORs § Tools How Integrated approach can be followed within design team for project q Market instruments to promote ECBC adoption q 13 Member of SACO consortium

Thank you for your attention! EXERGIA Energy and Environment Consultants Omirou Str. & Vissarionos 1, 106 72 Athens Tel: +30210 6996185, Fax: +30210 6996186 www. exergia. gr In collaboration with Pricewaterhouse. Coopers India Building 10, Tower C, Floor 17 th, DLF Cyber City Gurgaon 122002, Haryana| India Tel. +91 0124 3306259 www. pwc. in http: //ace-e 2. eu 14 Member of SACO consortium