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A Positive Conclusion Issued by GlavGosExpertisa of Russia upon the Results of Engineering Investigations on Okhta Center Site
12.07.2010
GlavGosExpertisa of Russia issued a conclusion on the results of the engineering investigations at Okhta Center site located at the address 2 / Lit K Krasnogvardeyskaya square.
The results of the investigations confirm that at this site it is feasible to design and build a high rise building with a developed substructure and a large load on soils.
Unique geological investigations were conducted aimed at studying the soil structure in the area of the proposed construction of Okhta Center. The specialists drilled 200 boreholes at the depth of 75 and 175 meters, which is unprecedented in a Russian construction industry. In addition geophysics, topo survey, hydrometeorologic, seismic and ecologic investigations, drilling and research of soil and clay samples were held at the site of future Okhta Center.
Engineering investigations were conducted by 13 top notch research companies in the sphere of construction and geology including All-Russian and Saint Petersburg scientific and research institutions.
It should be noted that the project of the construction of a public and business area is implemented by Social and Business Center Okhta JSC.
According to a project concept, apart from office premises Okhta Center area will host a theater and concert hall, a modern sports facility, landscaping park areas, cafes, restaurants, a museum of modern art and museum of archeology the first one in Saint Petersburg. The tower will host a public observation deck.
Reference:
To the end of the construction of the tower as part of a public and business area Okhta Center it is planned to construct piles at the depth of 80m and over 80m and barrettes at the depth of 56m from its substructure foundation slab. A strength factor of the foundations will be 1,5 times as much as the one required for ensuring the stability of a high rise building. The depth of the foundation is 65m.
The design solutions of the foundations imply not only the vicinity of the river Neva and Okhta to the future building but soil particularities as well.
The foundation structure will comprise three parts: a diaphragm wall restricting a site for future construction, deep piles as the main mass of the end bearing capacity and barrettes the high rise will rest upon. The project implies that the foundation of the building will consist of 1604 bored piles and 121 barrettes as part of the foundations of the tower (the depth of barrettes is 80m from the ground level).
The results of the investigations confirm that at this site it is feasible to design and build a high rise building with a developed substructure and a large load on soils.
Unique geological investigations were conducted aimed at studying the soil structure in the area of the proposed construction of Okhta Center. The specialists drilled 200 boreholes at the depth of 75 and 175 meters, which is unprecedented in a Russian construction industry. In addition geophysics, topo survey, hydrometeorologic, seismic and ecologic investigations, drilling and research of soil and clay samples were held at the site of future Okhta Center.
Engineering investigations were conducted by 13 top notch research companies in the sphere of construction and geology including All-Russian and Saint Petersburg scientific and research institutions.
It should be noted that the project of the construction of a public and business area is implemented by Social and Business Center Okhta JSC.
According to a project concept, apart from office premises Okhta Center area will host a theater and concert hall, a modern sports facility, landscaping park areas, cafes, restaurants, a museum of modern art and museum of archeology the first one in Saint Petersburg. The tower will host a public observation deck.
Reference:
To the end of the construction of the tower as part of a public and business area Okhta Center it is planned to construct piles at the depth of 80m and over 80m and barrettes at the depth of 56m from its substructure foundation slab. A strength factor of the foundations will be 1,5 times as much as the one required for ensuring the stability of a high rise building. The depth of the foundation is 65m.
The design solutions of the foundations imply not only the vicinity of the river Neva and Okhta to the future building but soil particularities as well.
The foundation structure will comprise three parts: a diaphragm wall restricting a site for future construction, deep piles as the main mass of the end bearing capacity and barrettes the high rise will rest upon. The project implies that the foundation of the building will consist of 1604 bored piles and 121 barrettes as part of the foundations of the tower (the depth of barrettes is 80m from the ground level).
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