Spie batignolles, a major player in construction in France, has completed the first tranche of the work of the office building of Seri-Top : Aquarel located in Issy-les-Moulineaux.
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For this project, the realisation of the foundations, the structural work, the body states to architectural, lots of strong currents and current low has been entrusted to 3 subsidiaries of the group, Spie fondations and Spie batignolles energy and Spie batignolles SCGPM, which has ensured the steering TCE of the whole.
Ideally located on the outskirts of Paris, Aquarel consists of 30 000 m2 of offices, 2 446 m2 terrace accessible and combines a number of services : 3 dining areas, a fitness room, a concierge, etc, It also makes the nature of its thread with many components aesthetic minerals and plants in edge of the Seine.
A second phase of work, which will start shortly, for a small expansion of this building.
CONSTRAINTS RELATED to The LOCATION OF The BUILDING AND ITS ARCHITECTURE SINGULAR
The proximity of the site with the river Seine, the paths SNCF RER line C adjacent and co-activity with the construction of 2 housing buildings were the major issues of this achievement, need for Spie fondations and Spie batignolles SCGPM to adopt a meticulous organization to cope with the constraints of the project :
ð The presence of water, because of the situation of the building facing the Seine :
o Spie fondations is reached on the installation of over 200 micropiles, a cap injected that will block the upwelling of the water table and a diaphragm wall, requiring the installation of many tie rods in the preliminary phase. These works involved one and the same market signed with Seri-Crown for building the foundations of the office building, Aquarel and those of the housing buildings adjacent.
o Spie batignolles SCGPM has developed local techniques perfectly sealed in their entirety. They are located at the 1st basement level, to the 3 ends of the building edge.
ð The presence of pathways SNCF raised on an embankment to the rear of the site has required the installation of targets and inclinometers to ensure that the wall does not move.
ð The number of cranes has also had to be limited to 3 instead of 4 needed) :
o Prohibition of floating above the rail,
o Avoid interface with the cranes situated on the construction market of housing buildings,
o Prohibition to install a crane on the quai du President Roosevelt because of the large number of networks.
The project Aquarel is an atypical construction whose architecture consists of a stacking of cantilevered and withdrawals facade. Specific technical measures have had to be anticipated and implemented in order to ensure the stability of the building during the shell construction phase :
ð Achievement of poles, temporary concrete with the installation of jacks in the lead on two floors before the laying of the structure-cantilever,
ð Deflation progressive jacks for the structure to take its place,
ð Installation of beams scale : in the absence of a post on some dropouts, achievement of sailing of frontage on 2 floors of the top 50-cm-thick, horizontal,
ð Adaptation of the chassis in front on the kinematics of poses,
ð Use of mixed solutions PRS-concrete (profiled reconstituted welded) on 2 pins for carry the overhang.
A CADENCE IS IMPORTANT
To compensate for the lack of a 4th crane, Spie batignolles SCGPM and its partners have had to maintain a cadence is important, and to adapt the organization of the construction site. To do this, the amplitude zone has been expanded, and a lot of casting has been made at the pump. The cast solutions were also adopted (floors, pre-slabs, slabs, prémurs). Finally, a specific organisation has been put in place with the façadier to optimize the use of cranes and lay the facades, floor-by-floor.
Despite the short time of 18 months enrolled in the original specifications of the project management SERI-TOPS, the teams from Spie batignolles, have managed to deliver on time the first tranche and the most important, of the work of the building of a large scale.
SHEET IDENTITY OF the SITE
Developer : SERI-COME
Investor : AXA Investment Managers
Architecture firm : LOCI ANIMA and ARTE CHARPENTIER
Interior architect : Agence JP NUEL
MOEX : ARTELIA
Macro-Batch : Spie batignolles SCGPM (structural work, decoration, synthesis, OPC)
Including the interior (partitions, floors) : Sedib, France Soil, RPD and DBS (subsidiary of Spie batignolles)
Macro-lot frontage : West Alu
Market foundations : Spie fondations
Amount of work TEC : 70 million euros approximately
Start of construction : October 2015 (start of the pouring of the basemat)
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