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Autonomous building extension to Bizerte city hall

  • ENVIRONMENT & CLIMATE CHANGE |
  • WASTE |
  • ENERGY |
  • CITY STRATEGIES & GOVERNANCE |
  • ECONOMIC DEVELOPMENT |
  • URBAN PLANNING |
  • MOBILITY |
  • INNOVATION |
  • CULTURE & IDENTITY |
  • SOCIAL RIGHTS

As part of extending Bizerte’s city hall, the local authorities carried out an energy audit on plans in order to promote energy efficiency and reinforce the sustainable management of energy for its new annexe to the city hall.

An in-depth analysis on the existing architectural and electricity plans was carried out using CLIP software.

 

Tags: Energy audit, Clip software, energy performance.

 

 

Partnership

 

  • ANME (Tunisian Agency for Energy Management)
  • Municipality of Bizerte
  • IDE-E
Challenges addressed
  • Building with poor energy efficiency rating.
  • Heavy dependence on fossil fuels for energy.
  • No use of environmentally sustainable building techniques.
  • No energy produced from renewable sources.
Main objectives
  • Assess the thermal performance of the building.
  • Assess and improve the lighting systems.
  • Assess the various energy use sectors/items.
  • Prepare proposals for reducing energy bills.
  • Improve the building’s energy categorisation.
Publications and documents
  • Powerpoint (FR) Construction of a positive energy building extension to the Bizerte City Hall based on an audit of plans
Facts

Project type                                                          Energy efficiency


Promoter                                                               Rev’Acte Project


Collaborators                                                      ANME, MedCities, IDE-E, Municipality of Bizerte


Start date                                                               2019


Funding                                                             Rev’ACTE


Website

Project description

The city of Bizerte conducted an energy audit on plans relating to the new annexe to be built for city hall. The audit, assisted by Clip software, pointed toward an action plan based on a scientific approach that would reduce energy use throughout the entire new building by 30%, i.e. 11.23 toe/year. The gross payback period was 5 years for the 5 actions put forward by the audit, namely :

  • Improvement to the energy efficiency of glazed openings : use of double glazing
  • Use of insulations on roof terraces
  • Use of insulation in external walls
  • Substitution of LED lights for classic bulbs to reduce the installed lighting power
  •  Improvement to the air conditioning system

There was a sixth action on energy production by renewable sources through the installation of a photovoltaic facility to make the building autonomous.

 

Expected results:

 

  • Improvement to energy performance
  • Reduction of energy bills
  • Improvement to thermal comfort
  • Contribution to the energy transition
  • Improvement to the energy categorisation
  • Reinforcement of the environmentally sustainable building policy in the city of Bizerte
Impact and results
  • Building energy category improved
  • Thermal comfort improved
  • Thermal regulation applied
  • Building constructed at 70%
  • Carbon emissions reduced (22 tonnes of CO2 equivalent)
  • Model building for environmentally sustainable construction
  • Energy-autonomous building through use of renewable energy (photovoltaic)
Publications & main documents
  • The specifications for (1) the technical/economic feasibility study and (2) the environmental impact study of the MV photovoltaic power plant in Sfax.
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Categories

CasesCasesDiversification of energy sourcesEco-constructionEnergyRevacte

Tags
Energy Efficiency photovoltaic
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