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CEDRE. Dr. ImadHageChehade. Jun. 7 th 2012. OUTLINE. Building history Green buildings and their advantages Why build Green ? Green building certification CEDRE WHY CEDRE????. Buildings YESTERDAY. SHELTER f rom weather General living space -to provide privacy

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Dr. ImadHageChehade

Jun. 7th 2012

  • Building history
  • Green buildings and their advantages
  • Why build Green ?
  • Green building certification
  • WHY CEDRE????
buildings yesterday
  • SHELTER from weather
  • General living space

-to provide privacy

-to store belongings

-to comfortably live and work

buildings today
Buildings TODAY
  • Stylish/ fashionable
  • Its all about Esthetics
  • How it looks


buildings tomorrow
Buildings TOMORROW


-human health, safety and comfort

-Preserving the environment / Eco-friendly


-Preserving natural resources

-Positive energy


advantages of green buildings
Advantages of Green buildings
  • Structure Design Efficiency ( Sustainable Design )
  • reduce consumption of natural resources, energy, water
  • Improve health and indoor environmental quality.
  • Operations and Maintenance Optimization
  • Waste, pollution and toxics reduction
why build green
Why Build Green????
  • Buildings are responsible for a significant proportion of the overall environmental impact

Energy consumption and CO2 emissions from building

Energy consumption for heating and hot waterKilowatt hour per square meter per year

Old structure built or rehabilitated before 1980

Modern structure built in compliance with the latest energy-efficient guidelines

Passive house built in compliance with the German Passivhaus or Swiss Minergie P standard

CO2 emissions depending on the energy used for heating and hot water, for a 100 square meter dwelling

Kilograms of carbon equivalent per year

1-Average emissions output varies with the mean of production2-Logged in managed forests and burned in a high efficiency stove

Modern structure

Passive housing

Old structure

Sources: Cecile Martin, Atlas environnement du monde diplomatique 2007;La maison écologique,n 37,February-March 2007;Effinergie; Minergie; Passivhaus; Ademe

role of green building certification
Role of Green Building certification
  • To set the framework and the standards of construction of new buildings in order to
  • assess construction of new buildings
  • check if the sustainability goals are met.
  • To encourage, support and facilitate the growth of the green building industry.
  • To maximize both economic and environmental performance







  • RATING SYSTEM that represents the first step towards an official Lebanese reference
  • A guide that favours a ecological construction.
  • Inserts the targets to achieve in every element with the different phases of designing and execution
  • Targets the buildings that are going through either the designing or the construction phase
  • Takes into consideration several elements:
  • integrated design phase
  • the selection of the construction material
  • the amelioration of the health and comfort of the occupants
  • the integration of water, energy and waste management
  • Rating system based on a OMS
  • Based on the 14 targets defined by the association HQE

Tertiary (education, Public health, offices , etc) ;

Residential or multi residential;

Industriel ;



  • 100 points can be assigned by the operation CEDRE (without the 5 bonus points for innovation)
  • 3 levels of certification :

> 50 points

> 65 points

> 80 points

  • There is mandatory points for levels


history of cedre
History of CEDRE
  • Contract signed with CSTB – Certivéa

(september 2009)

  • Agreement with association HQE
  • Creation of the first rating system CEDRE for new offices with technical assistance of CSTB and Certivéa (September 2010)
  • CEDRE for new offices was announced in France during the 7Th meeting oh HQE (November 2010)
  • CEDRE Multi residential is ready
  • Ongoing CEDRE Industrial
why cedre
Why CEDRE ???
  • Environmental management system for sustainable buildings:

procedures to help the project owner to a proper implementation of this system.

  • Contains all the necessary recommendations in order to adequately conform to the requirements and achieve the different point attributed to each element.
why cedre1
Why CEDRE ???
  • Numeral studies performed:
  • search of the most important green building referential

in the world

  • familiarize with the different targets of each referential
  • determine their advantages and constraints, and which ones can be adapted in Lebanon
why cedre2
Why CEDRE ????
  • identification of the most significant environmental indicators in Lebanon
  • Calculation of the maximum thresholds of these indicators
  • Recommendations to indicate the environmental measures that should be respected in order to minimize environmental impacts.
why cedre3
Why CEDRE ???
  • Integration of different international norms that can be adapted in Lebanon
  • Justified thresholds determined for
  • Sound emissions
  • CO2 emissions
  • Water consumption
  • Thermal energy standards
  • OMS

Operation Management System


1. Commitment of the Client

  • 1.1 Level of the environmental quality of the building
  • 1.2 Commitment of the operation

2. Commissioning

  • 2.1 Planning of the operation
  • 2.2 Responsibilities and authorities
  • 2.3 Competence
  • 2.4 Contracts
  • 2.5 Communication
  • 2.6 Document control


  • 3.1 Surveillance and review
  • 3.2 Evaluation of the Environmental Quality of the building
  • 3.3 Corrections and corrective actions

4. Management Review