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GSW Headquaters,Berlin
- 2. BERLIN SUMMERS • Warm and sometimes humid • average high temperatures of 22–25 °C °F) and lows of 12– 14 WINTERS • Winters are relatively cold • average high temperatures of 3 ° and lows of −2 to 0 °C SPRING/AUTUM • Spring and autumn are generally chilly to mild. , Berlin's built-up area creates a microclimate, with heat stored by the city's buildings. Climate of the city
- 3. GSW HEADQUATERS, BERLIN • LOCATION: KOCHSTRASSE 22, BERLIN GERMANY • CONSTRUCTION YEAR: 1999 • ARCHITECTS: SAUERBRUCH HUTTON • TYPOLOGY: OFFICE • FLOORS: 22 • FLOOR AREA: 50000 M2
- 4. A low-energy building emerged, which not only offers an exemplary working environment in its passive control of energy consumption, also aims to improve the immediate well-being of its through an architecture in which the value of sensuous space is rediscovered. GSW HEADQUATERS, BERLIN
- 5. 70% 75% natural ventilation Daylight • The building, which glows in different hues of red and pink. • Designed by Sauerbruch Hutton • This passive renovated 22-story office building was designed to get free cross ventilation and passively control its energy usage. • It is said to be the world’s first thermally-flued tall building making it more sustainable and economical to run. GSW HEADQUATERS, BERLIN
- 8. • Double skin façade with integrated blinds in cavity • Provision of air inlets for ventilation via stack effect •All panels individually operable for user comfort and centrally managed for efficiency EAST FACADE GSW HEADQUATERS, BERLIN
- 11. • Three layer system creating a Solar Flue • Inner layer of this façade is made of aluminum double glazed curtain wall, which can be operated manually or automatically. •Cantilever bracket with metal-mesh decking supports the outer single glazed façade, which is made of laminated glass. •All panels individually operable for user comfort and centrally managed for efficiency • The west façade of the building consists of three layers that create the solar flue WEST FACADE GSW HEADQUATERS, BERLIN
- 12. The colored panels on this side of the building can be opened and closed by the occupants in order to let in or shut out light prevent overheating. . GSW HEADQUATERS, BERLIN
- 13. Due to the link with the existing building, the High rise is limited to a floor height of 3.25 m. •Maximum Floor Plate depth of 11m •Fully Glazed walls with low cills •Supplemented with energy efficient Artificial lighting monitored by automated systems •Solar control – On west face by vertically pivoting and sliding panels •On East Face, by integral Blinds GSW HEADQUATERS, BERLIN
- 14. MAXIMISING NATURAL LIGHT Narrow Floor Plate and Maximum Glazing lead to well lit interior conditions. The facade shading devices also help cut glare. GSW HEADQUATERS, BERLIN
- 15. CREATING THERMAL BUFFER ZONES The building's east and west facades are double glass skins, which act as thermal buffer zones and which, as a sound protection layer, keep the road noise out of the interior rooms. GSW HEADQUATERS, BERLIN
- 16. EFFECTIVE SUN PROTECTION The solar shading system and the solar flue were designed with the use of the computational fluid dynamic (CFD) analyses which allowed for the room temperatures throughout the year to be observed. CFD use numerical analysis to analyze and solve problems that involve fluid flow GSW HEADQUATERS, BERLIN
- 18. Perforated Aluminum louvers are provided on west facade, between inner pivoted double glazed openable window and outer single glazed façade. These louvers are intended as sun shades as well as an identity for GSW. The façade follow a natural colour scheme common to many Sauerbruch Hutton projects. The Red and Pink colours are highly recognizable in the Berlin Skyline GSW HEADQUATERS, BERLIN
- 19. VENTILATION
- 20. • Natural ventilation strategy relies on cross ventilation at each floor induced by solar flue in the western buffer zone. • This is Enhanced by the Venturi Element on the roof NATURAL VENTILATION GSW HEADQUATERS, BERLIN
- 21. • Cross ventilation takes place due to stack effect. • Provisons have been made to continue cross ventilation even across partition walls by providing large inlets spaces and perforated screens along with doors. CROSS VENTILATION GSW HEADQUATERS, BERLIN
- 27. • Incorporated for comfort during seasonal weather extremes • The system delivers air via the raised floor. • This like most other systems is operable by both the user and the Building Management System. • A heat recovery system is also in place to reduce heat losses during cold weather MECHANICAL VENTILATION GSW HEADQUATERS, BERLIN
- 28. VENTURI ELEMENT
- 29. The Winged roof over the Western Flue acts as a Venturi element and enhances air circulation through Bernoulli's effect. It also shields the Flue from Rainwater VENTURI ELEMENT GSW HEADQUATERS, BERLIN
- 30. THANK YOU Submitted by SHIVANI KULSHRESTHA SEC- B; SEM-8TH