Page 15 - NGUYEN VAN THIEN EXPERIENCES_2013-2017
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Traffic strategies                   External Structural System                                                                     GH-5448534398
              Vehicle accessible road (10m width) is kept along West border to maintain port operations, as   The structural system conceptualized for the external skin involves the use of curved
              well as along the quayside (5m width). In order to maximize the site efficiencies, the western   reinforced concrete walls which are either bearing walls supported by foundations or by   Sustainability/Feasibility  04
              vehicular traffic route is also utilized for the museum, including collection and general   internal columns which line up with the external steps of the "terraces". In some locations the
              deliveries, taxi access and VIP/disabled car access. Along this road, art loading dock, general   deep external walls act as transfer elements over some of the larger exhibition spaces in order
              loading dock,  drop-off area and parking are located under the eaves of the building. Limited   to improve the flexibility of the internal function spaces.
              at night, kitchen delivery is done through the forecourt.
                                                   Internal Structural System
              Public pedestrian circulation is organized on the quayside, around Center Court and through   The floor support system is a combination of bearing reinforced concrete walls and discrete feature
              the passageways, so the pedestrian and car circulation are clearly separated.  columns. Shear walls are used where necessary to support the floors and also provide lateral
                                                   stability to the building. Blockwork walls can be utilized where it is more economical. The floor
                                                   system is envisaged to comprise of either a beam and slab arrangement or post-tensioned system
                                                   in order to achieve some of the longer span floor areas.
                                    SITE
                               hall entrance  port entrance
                                           turning point
                           hall delivery
                        cafe delivery
                                     PORT
                      cafe entrance
                              HALL        LAIVASILLANKATU
                            CAFE   SERVICE  artwork delivery
                          ONLY NIGHT  MUSEUM
                                          general delivery
                                         drop-off area
              OLD MARKET                museum entrance
              ETELÄRANTA
                   PALACE HOTEL
                                                                                       High Level Schematic of HVAC system  Wooden Facade
                                    0  10 20  50  100m
                                  N                                                    The cooling and heating of the building will be done using the conditioned water system   Finish-grown Siberian larch wood will be utilized for the external cladding. The wooden
                                                                                       connected to district heating and cooling network through plate heat exchangers. The   facade will be optimized using computational methods based on detailed structural analysis
                                                                                       conditioned water will be used to supply the Pre heat, cooling and heating coil in the air   of bearing walls and then constructed using digital fabrication to archive desirable accuracy.
                                         Traffic strategies                  Structural analysis   handling units, the trench heating and snow melting system, as well as hot water for the
                                                                                       kitchens and bathrooms.              Roof
              Museum flexibility                   Construction cost and Project timeline                                   Roof deck is paved with stone on layers of insulation and waterproofing. Around the roof
              Because of various vertical connections and multiple sub entrances from the terraces, the   Comparing with similar sized contemporary museums, the allowance budget for Guggenheim   HEATING COIL  edge, stone slabs are replaced with grass stripes to create enjoyable green space for the public.
              exhibition space can be flexibly arranged in a loop or two loops on the two floors, as well as   Museum Helsinki is relatively higher, therefore innovative structure, high quality finishes and    ENTHALPY WHEEL   ADIABATIC HUMIDIFIERS  The curved wall overhangs create covered spaces underneath where people can hang out.
                                                                                                               COOLING COIL
              up to eight separated galleries with independent entrances.  equipment as well as advanced MEP system can be attainable. Roughly estimated, foundation   EXTRACT FAN
                                                   and structure will account for one third of the construction budget, cladding and roofing for   EXHAUST AIR  RETURN AIR  Internal wall
                                                   15-20%, finishes 10-15% and MEP 25%. The overall design period is expected to be 15 - 18   FRESH AIR  --  CONDITIONED  Neutral white walls are chosen for galleries, to create a background of art works and highlight
               3F        3F         3F                                                                             SUPPLY AIR
                                                   months and the construction period 36 months.                SUPPLY FAN  dynamic curved spaces. Service accessible wall (200mm depth), composed of double layered
                                                                                                 PREHEAT COIL  FILTRATION
                                           Stairs / EV                                                             HEATING WATER TO  gypsum boards, has a slit near the ceiling to extract warmed air.
                                                                                                                   TRENCH HEATING
                                                                                        DISTRICT
                 EV   slope  EV / slope  EV / slope                                     HEATING SUPPLY
                                                                   Foundations  Function Equipment &
                                                                   9%      Specialities   3.5%                              Floor
                                                                   Vertical Structure  Stairs & Vertical
               2F        2F         2F                             10%     Transportation   2%  HEATING WATER PUMP          Raised floor in galleries contains ducts for Displacement Ventilation System in its depth
                                                                   Floor & Roof Structure  Plumbing Systems &  HEATING WATER FOR   (450mm) as well as trench heaters near large glazing. The finishes are polished precast
                                                                   13%     Fire Protection   2.5%  RETURN WATER FROM   SNOW MELTING SYSTEM  concrete panels and wood flooring alternately.
                                                                                        DISTRICT NETWORK
                                                                   Exterior Cladding  Heating, Ventilation &
                                                                   13.5%   Air Conditining   11%
                                                                   Roofing & Waterproofing  Electrical  HEATING WATER PUMP
               1F        1F         1F                             6%      8%                                               Lighting
                   Multi      Multi     Multi                                           DISTRICT
                                                                   Interior Partitions,    General Conditions  COOLING SUPPLY   Natural lighting is carefully introduced into the gallery spaces from linear skylights. Skylights
                                                                   Doors & Glazing   4.5%  6%
                                                                   Floor, Wall &   Overhead                                 are composed of three layers of glass panels. The intermediate layer is highly insulated
                  Single Stroke  Twin loops  Multiple access       Ceiling Finishes   8.5%  2.5%
                                                                                             PLATE HEAT  COOLING WATER PUMP  double glazing. External and internal translucent panels are used mainly for lighting control.
                                         Exhibition plans                  Construction cost analysis  EXCHANGER  High Level Schematic of HVAC system  Mortised louvers are placed between the layers and used to regularly adjust the transmittance
                                                                                                                            of daylight into the gallery space to provide a near constant level of natural light.
                                                                                       Displacement Ventilation System      For artificial lighting, color-accurate LED lights will be applied to reduce cooling
                                                                                       Displacement Ventilation System is applied to create a high-quality indoor setting for exhibitions.   requirements in summer.
                                                                                       By supplying air through grills on floors, the system frees top lit spaces of ducts and outlets and
                                                                                       walls of supply grills. The system forms a ‘cool puddle’ on the floor which will naturally spread   Snow melting system
                                                                                       towards heat sources and begin to rise due to buoyancy. Air velocities remain very low throughout   A water based snow and ice melting system for the roof/walkway is included in the
                                                                                       so the gallery space will be quiet. In times of low occupancy, the displacement air can be re-  design.  As the temperature of water required for this system is not very high, returning
                                                                                       circulated with minimum fresh air input. The reduced airflow requirements and lower velocities   water from the district network along with plate heat exchangers will be used to produce
                                                                                       also mean lower system pressure and hence reduced energy consumption from the fans.  the heating water.
                                                                                        Return air can be
                                                                                        up to 30ºC.
                                                                                                  Heat gains from people and
                                                                                                  lights drive buoyancy forces.
                                                                                                                  Perimeter heating for
                                                                                                                  winter comfort and to offset
                                                                                                 Cold air         cold downdrafts from windows.
                                                                                                 less than 18ºC.
                                                                                                             Displacement Ventilation System
                                                                                       Air Handling Units and Heat Recovery
                                                                                       Fresh air and displacement ventilation air will be provided using a central air handling unit (AHU);
                                                                                       AHU will include a LTHW preheat coil for frost protection, heating and cooling coil for conditioning
                                                                                       the air, an enthalpy wheel for heat and moisture recovery and bag and panel filters for filtration.

                                                                                       Trench heating
                                                                                       In addition to the displacement system, trench heating will be applied under large glazing to
                                                                                       keep them warm and prevent downdrafts. The LTHW for this system will be produced using
                                                                                       the district heating network.
                                                                                       Humidification
                                                                                       Adiabatic humidifiers are applied for this project, which "atomize" water into very small
                                                                                       droplets which remain in suspension until evaporate into the air stream in the AHU.
                                                                                                                                                     Section detail   S = 1/50
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