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STEP project Abu Dhabi sewer project T02-T03

Abu Dhabi - United Arab Emirates

2011 - 2014
CLIENT
ADSSC- Abu Dhabi Sewerage Service Company

CONTRACTOR

IMPREGILO

DESCRIPTION
The STEP project involves construction of 41m of a deep sewer tunnel, 43km of supply tunnels, which will be smaller in diameter to transport the sewage to the treatment plants, and an underground pumping station at Al Wathba with a pumping capacity of 30m³ per second. The tunnel will start at a depth of 27m underground and reach a depth of 100m towards Al Wathba
Mapei UTT provided foaming-agents, slurries for TBM, admixtures for back-fill grouting and the product MAPECOAT W SP for the final coating.
2 EPB TBMs Herrenknecht (diameter 7 m) plus 3 EPB TBMs Herrenknecht (diameter 6.3m )m.
The 5 TBM of Impregilo completed the 2 contracts T02 and T03 , total lenght 25 Km.
  • MAPEBLOX PKG

    MAPEBLOX PKG

    Packing grease for mechanized
    tunnelling with TBM
    MORE INFO
  • MAPEBLOX T S

    MAPEBLOX T S

    MORE INFO
  • MAPEGROUT COMPACT

    MAPEGROUT COMPACT

    Pre-mixed injecting grout characterizedby great resistance to wash-outand co
    MORE INFO
  • MAPEGROUT GUNITE

    MAPEGROUT GUNITE

    One-component pre-packed multi-purpose non-accelerated cementitious mortar appli
    MORE INFO
  • MAPEQUICK AFK 888

    MAPEQUICK AFK 888

    Alkali-free accelerator for shotcrete

    Where to use
    • Securing surfaces
    MORE INFO
  • MAPEQUICK CBS SYSTEM 1

    MAPEQUICK CBS SYSTEM 1

    Liquid retarding admixture with plasticizing effect for cementitious-based injec
    MORE INFO
  • MAPEQUICK CBS SYSTEM 2

    MAPEQUICK CBS SYSTEM 2

    MAPEQUICK CBS SYSTEM 2
    MORE INFO
  • POLYFOAMER FP

    POLYFOAMER FP

    High performance liquid foaming agent, based on
    biodegradable anionic surfact
    MORE INFO
  • POLYFOAMER FP/LL

    POLYFOAMER FP/LL

    Liquid foaming agent based on biodegradable anionic surfactants combined with a
    MORE INFO
  • RESFOAM 1KM

    RESFOAM 1KM

    One-component, ultra-fluid polyurethane resin applied by injection for waterproo
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24.2991738000,54.6972774000
 
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