Sipti Infra Oy started in Helsinki 2012

Annual turnover about 1 Million €uro

Designers’ expieriences 5-35 years of geotechnicaldesign/ designer

10 geotechnical designers, 6 M.Sc., 7 officialcompetence qualifications

Over 20 designers in total with partner companies; structural and geotechnical design

SIPTI INFRA

Downtown Ground Engineering Retaining walls Jet grouting Stability Settlement prevention; deep mixing and lightweight

structures Understanding of risks Understanding of advantages and disadvantages of

different work techniques Cost awareness

Expertise of Sipti Infra

Completed or ongoing projects

Common client

Constructability reports, Helsinki and Vantaa

Central library, Töölö Bay, Helsinki

Landfill design, Espoo and Helsinki

Flight terminals

Metro onground structures

Renovation of streets in the city center

Private clientsNucler power plant ground- and rock investigationsApartment buildings in the cityUnderground hyper market in city centerWindmillsPier in Indonesia

Construction companiesApartment buildings in earlier harbour areas, fill groundsShopping Mall Stockmann and Okhta in St. PetersburgPrincipal suggestions and checking of grounddesign in Rostov (DON), St. Petersburg, FinlandOwn design in road projectsRetaining walls, Ground Engineering, pipe lines to housing and commercial buildings

Constructability reportsHernesaari Industrial to Housing

For housing in the sea

Renovation of footingsBuildings and railroads

OSLA PorvooSiuronkosken maatukien

injektointi

Retaining walls

Housing ground engineering

Deep mixing

Stability of road embankment

Deep excavations

Tikkuparkki Okhta Mall,Pietari

Dimensioning example

Underpinning of neighbouringbuildings with jet grouting

Inside or outside

Helsinki Grand Casinotemporarily on steel piles, finally 4 floors under

existing house

Stockmann StP, 10000 m2 next to neighbours, on sand and clay

Top Down excavation,16 meters deep

Stiff retaining wall

Steep slope and retaining wall

Deep shaft with jet grouting

Design by modelling;Existing structures

Design by modellingDesigned infra structures

Thanks