Page 88 - ELEMENTS EUROPA (EN)
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THE BUILDING’S MECHANICAL, ELECTRICAL
AND PLUMBING FEATURES

	 THE “MACHINE”                                                       serve. All scales of design are involved, from the enormous
                                                                      shafts traversing all floors to make up the lantern’s “air
	 The inside of the Europa building purrs to the sound of             conditioning backbone” (3 vertical shafts each with a section of
a sprawling machine ensuring the hygrothermal and visual              more than 3 m²) to the plethora of small air outlets arranged in
comfort of its occupants, while at the same time providing them       elliptic rows in the floors of the conference rooms.
with the electricity necessary for their work. The “machine”
takes up quite a lot of space. Made up of production and                The plans of each mains network are governed by specific
treatment systems installed in special service rooms, as well as      rules: the ventilation ducts (small, medium or large, fire-
mains distribution networks running through technical spaces          resistant or not), the water pipes (insulated or not), the cable
(ducts, shafts, suspended ceilings and raised floors), it resembles   conduits (high or low-voltage cables), etc. The ducts and pipes
the veins and arteries of the human body.                             must be kept confined to the (limited) space assigned to them,
                                                                      while at the same time remaining accessible for maintenance.
	 THE SERVICE ROOMS                                                   Developing the plans for the technical installations so that
                                                                      everything is in its proper place involves a considerable amount
	 The whole -3 and -4 basement levels, part of the -2 level           of work, carried out by the engineers and architects working
as well as the whole 12th floor are taken up by service rooms.        in close cooperation. The clarity of the design of the technical
The distribution of the various technical systems on these            spaces is a sine qua non for a rational arrangement of all the
floors is the result of a logical assessment of several different     various pieces of equipment.
criteria, searching for the best ways of reducing the length of
distribution conduits, limiting the risks of pollution or explosion,    Each of the situations involved requires a specific architecture,
facilitating the entry of fresh air and the evacuation of spent air,  as seen in the following examples.
making it easy for heavy and/or bulky equipment to be moved in
or out, grouping similar systems to facilitate maintenance, etc.      	 THE MAIN SHAFTS
For instance, the 12th floor is the home of the gas-fired CHP
system, the gas boilers, the cooling groups and towers, while         	 The positioning of each pipe/duct in the limited space of a
the high-voltage rooms, electricity generators, electric batteries,   shaft, itself subdivided into compartments (by the type of mains
rainwater cisterns, the sprinkler system, etc. are located in the     and/or degree of resistance to fire), is like a Chinese puzzle,
basement.                                                             in particular because of the rules that require standard radius
                                                                      curvatures for any change of direction or thicker pipes/ducts at
  As regards the air conditioning systems, some are on the 12th       connections and fire dampers.
floor (those serving the conference rooms, the offices in the
south wing and the toilets), while others are in the basement         	 DISTRIBUTION OF AIR SUPPLY IN THE CONFERENCE
(those serving the offices in the west wing, the restaurant and       	 ROOM FLOORS
the basement meeting rooms).
                                                                      	 The vast amount of available space allows for a layout without
	 THE DISTRIBUTION NETWORKS                                           any geometric constraints. Air is supplied to a limited number
                                                                      of places carefully positioned in the raised floor and enters the
  With all rooms in the Europa building artificially lit and air-     rooms via floor-mounted outlets positioned along the tables
conditioned, a large amount of technical facilities needs to be       (one outlet for every two seats). The large amount of space
integrated throughout the structure. Although no longer visible       taken up by the ducts linked to the vertical shafts requires the
once construction has been completed, the technical areas             use of a raised floor reinforced by cross-members in order to
reserved for the mains distribution networks form an integral         be able to position the floor supports not at the junctions of the
part of the architecture, as do the representative rooms they         tiles but in the gaps between the ducts.
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