Beirut, Lebanon
M1
M1 is an 11-story commercial complex and the first and only LEED Platinum certified project in Lebanon. The building is able to reduce consumption by 31% compared to a baseline building (based on ASHRAE 90.1-2007) via climate-friendly technologies such as VRV air conditioning systems, high-performance glazing, efficient lighting with controls and dimming, and a PV system to name a few.
Description
M1 is a commercial complex that includes office and retail spaces. It has achieved the highest level of certification available in LEED. With regard to energy performance, the building is able to reduce consumption by 31% compared to a baseline building (based on ASHRAE 90.1-2007). This is done through the use of efficient VRV air conditioning systems, high-performance glazing, efficient lighting with controls and dimming, low consuming elevators, and a full BMS system. In addition, the building is equipped with a PV system that is able to cover 1.75% of the building's needs.
Project info
- Construction phase
- New construction
- Building type
- Non-residential building
- Detailed building type
- Office
- Net floor area
- 19200 m2
- Land plot size
- 2738 m2
- Stories
- 11 stories
- Construction type
- Concrete
- Original construction year of the building
- 2016
- Project contact
- Abdulrahman El Hajj
- Contact email address
- ahajj@m1group.com
Project team
- Developer(s)/owner(s)
- M1 Real Estate
- Architect(s)
- Jo Geitani Architects
- Construction contractor(s)
- ACC
- Energy efficiency consultant(s)
- EcoConsulting
- HVAC consultant(s)
- SERT
- Building services
- SERT
- Other project team partners
- EEG, Apave
Building Rating and Certifications systems
- Rating and certifications systems
- LEED
Building Envelope
External walls
- Description of construction
- Mineral wool insulation
- U-Value
- 0.67 W/(m²*K)
Roof
- Roof type
- Flat roof
- Description of construction
- XPS insulation
- U-Value
- 0.26 W/(m²*K)
Openings and windows
- Glazing type
- Double glazed
- Frame material / description
- Aluminum
- Description of construction
- Low e double glazing 8/16/10
Basement floor
- Description of construction
- Concrete Slab
- U-Value
- 2.7 W/(m²*K)
Technical Building Systems
Ventilation system
- Type of ventilation
- Mechanical ventilation system with heat recovery
- Description
- Wheel heat exchanger on fresh air
Space cooling system
- Primary space cooling system
- Centralised chiller │Usually a central system located in the basement
- Description
- VRV system
Space heating system
- Primary Space heating system
- Air-conditioning system (reversible for heating; air-air heat pump)
- Description
- VRV system
Water heater system
- Primary water heater system
- Dedicated electric heater (dedicated = just hot water generation)
Lighting system
- Primary lighting system
- LED (Light emitting diode lamps)
- Description
- With lighting controls and dimming
Photovoltaics
- Capacity
- 40 kWp
- Total module area
- 242 m²
Final Energy Demand
- Energy carrier (1)
- Electricity
- Annual heating demand
- 2.38 kWh/(m²*a)
- Annual cooling demand
- 32.4 kWh/(m²*a)
- Annual lighting demand
- 38.5 kWh/(m²*a)
- Annual hot water demand
- 25 kWh/(m²*a)
- Total final energy demand
- 163.22 kWh/(m²*a)
