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FPT Tower

Location:

Da Nang City

Type of Building: Office Building
New / Refurbished: New
Status: Under Construction
Year of construction: 2014
Gross Floor Area: 100000 sq.m
Project-Description:

The 100,000 m2 office building for the FPT Corporation in Da Nang is one of the showcase buildings for energy efficiency in buildings under the IFC project “VN Building Energy Efficiency Code Demonstration” ( 2013 – 2015 ).

Adhering to the minimum requirements of the building code would result in a reduction in energy consumption of around 25% compared to today’s typical standard. However, FPT Corporation will have an energy consumption that is more than 50% reduction in energy consumption compared to today’s standard, a true stand out example of energy efficiency in building.

EE-Final - CS3

FPT City Da Nang Joint Stock Company

Phone:
0511 3 913 913

Website:
http://www.fptcity.vn/home/chudautu/fptcity.php


Designer/Engineer:

NA
NA

Phone:
NA

Website:
http://e4g.org/


Contractor:

NA
NA

Phone:
NA

Website:
http://e4g.org/

Building Envelope

Solutions applied for glazing, walls and the roof help to reduce heat transfer from the outside to the inside. Therefore, the energy consumption for cooling is decreased significantly.

Glazing

Installation of double glazing with high insulation

  • SHGC – Solar Heat Gain Coefficient = 0.33, a 19% improvement compared with EEBC 2013.
  • VLT – Visible Light Transmittion = 0.6, a 4% improvement compared with EEBC 2013.

Wall

110 mm solid bricks with 100 mm Aerated Concrete inside

  • U – Heat transfer coefficient = = 0.8 W/m2.K, a 55% improvement compared with EEBC 2013.

Roof

150 mm concrete covered with an additional layer of 300 mm sponge concrete as insulation material.

HVAC

Electricity for coolling is reduced because heat loads from the facade and internal heat loads from lighting and computers are reduced. Furthermor, by increasing the chiller COP from 2.7 to 3.3 reduces the annual cooling load from 126 to 113 kWh/m2/year.

Lighting

The calculated electricity savings for lighting, 30 kWh/m2year, are almost evenly distributed between savings due to daylight use and savings due to more efficient electric lighting system.

The façade of the FPT building is designed to reduce energy consumption for lighting and for cooling. The Window to Wall ratio is 35%. This is sufficient to provide good visual contact to the outside, and to allow daylight in. Larger glazing areas will only increase cooling load and user comfort would be compromised.

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0 0 840 13 October, 2014 October 13, 2014
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