CHINA: YINHONGJISHI WATER DIVERSION PROJECT, SHAANXI PROVINCE - PEOPLEÕS REP. OF CHINA
  - Design and TBM Modification from DS TBM (supplied by the client) to a DSU TBM. - Excavation and lining of the tunnel for the TBM starting operation. - Excavation and lining of the tunnel (remaining section of 5.100 m, exc. diameter 3.67 m). - Excavation and lining of the tunnel widening for the TBM final disassembling. - Topographic surveys - Supply of technical and administrative personnel. - Supply of materials
   
MALAYSIA: ULU JELAY HYDROELECTRIC PROJECT - MALAYSIA
  - Contract for supply of equipment for the excavation of 15 km of tunnel by TBM compact, excavation diameter 3,50 m. - Contract provides supply of TBM and auxiliary equipment, supply of materials, spare parts and cutters, including technical assistance for TBM assembly and erection including start-up of excavation works.
   
India: KISHANGANGA HYDROELECTRIC PROJECT
  Supply of a new Double Shield Universal TBM, back-up system and auxiliary equipment (rolling stock, ventilation system, spare parts etc.) Excavation of the Headrace Tunnel of 14,630 m by double shield TBM having boring diameter of 6,10 m, internal finished diameter 5,20 m. Tunnel lining with concrete segments Supply of specialized personnel and technical assistance during TBM excavation activities
   
Hong Kong: TSUEN WAN DRAINAGE TUNNEL
  " Excavation of the storm drainage tunnel for a total length of 5,1 Km by Double Shield Universal TBM with excavation diameter of 7,27 m, internal diameter of 6,5 m. " The whole project comprises the aforesaid storm drainage tunnel, three intake works, drainage and subsidiary works . " SELI, beyond to being member of the Joint venture, entered a subcontract agreement for the supply of the TBM and auxiliary equipment and for the tunnel excavation for a value of Euro 15,2 Million.
   
CHINA: XINJIANG DABAN DIVERSION TUNNEL PROJECT - PEOPLE'S REPUBLIC OF CHINA
 
  • Service Contract. Technical assistance for the excavation and lining of a diversion tunnel by double shield TBM, for a total length of 19.714 m, in two stages (1st stage - 9.639 m / 2nd stage - 10.076 m.) The tunnel excavation diameter is 6,79 m
  • Supply of segment moulds for the tunnel lining with concrete segments
   
Vietnam: DA NINH HYDROPOWER PROJECT - VIETNAM
 
  • Supply of one Double Shield TBM with Back-up to be used for the excavation of a head race tunnel, 7.800 meters long, excavation diameter 5,48 m
  • Technical assistance for assembly and erection including start-up
   
Hong Kong: SIU HO WAN-SILVERMINE BAY AQUEDUCT
 
  • Raw water transfer to Silvermine bay treatment works.
  • 7 km tunnel, boring diameter 3,56 m, bored by double shield TBM Robbins mod. 1111-234-1, partially concrete lined and/or steel pipe.
  • External connecting works, pipelining and control device supply and laying, minor concrete works and layout.
  • Design of the concrete lining by the Joint Venture.

   
CHINA: GENERAL MAIN OF YELLOW RIVER DIVERSION PROJECT
 
  • Construction of tunnels nos. 6, 7, 8 respectively 12,2 - 2,7 and 6,5 km long, by a double shield TBM Robbins mod. 205-277, excavation diameter 6,125 m. Inner segments diameter 5,46 m.The "Yellow River Diversion Project" constitutes an impressive hydraulic project to convey the water of the Yellow River towards the cities of Taiyuan and Datong in the Province of Shanxi in the People's Republic of China. The hydraulic projects includes building a Main Line that will take water from the dam built on the Yellow River up to a fork where the South and North lines will branch out respectively towards Taiyuan and Datong. Here the water will be used for both civil and industrial purposes. The overall project includes over three hundred km of tunnels, canals and concrete pipelines.
   
Hong Kong: STRATEGIC SEWAGE DISPOSAL SCHEME - STAGE I
  Two tunnels for a total length of 9,5 km :
  • Tunnel C from Tseung Kwan O to Kwun Tong, 5.3 km long, 4.23 m diameter, which links the shafts previously excavated by another contractor.
  • Tunnel A-B from Chai Wan to Kwun Tong via Shau Key Wan, 4.2 km long, 3.2m diameter, which links other two shafts to Kwun Tong shaft previously excavated by another contractor.
  • For the excavation of both tunnels, two main beam type TBMs were adopted.
  • Both tunnels are located 100 metres beneath the seabed and highly urbanised reclamation areas.
   
Philippines: UMIRAY-ANGAT TRANSBASIN PROJECT (UATP)
 
  • 13 km long diversion tunnel , bored by a shielded TBM, from a single portal, excavation 4.88 m, 4,30 finished internal dia.
  • Mini hydroelectric plant at the exit of Macua main tunnel.
  • Support logistic structures for the working of the project plants.
  • Transmission electric line at 34,5 KV, 16,1 km long.
  • Intake works: 1) Umiray river 2) Ravitom cove
  • Open cut excavation: 60.000 mÅ
  • Radio communication system
  • Electro-mechanical work

In the field of the works, specific intervention have been carried out necessary for the water collection, localized in different watercourses
   
CHINA: WANJIAZHAI YELLOW RIVER DIVERSION PROJECT LOTS 2 AND 3
  Four tunnels excavated and lined by TBMs. Total lenght is 88.900 m, of which 1.573,5 m are to be conventionally excavated using NATM and lined with segments using the TBMs. Overburden varies between 50 m and 300 m
Lot 2 comprises:
  • tunnel T4 with a total lenght of 6.636 m; excavation and lining by TBM, final internal diameter 4,30 m
  • tunnel T5, continuing tunnel T4 and with a total length of 25.536m; excavation and lining by TBM, final internal diameter 4,30 m
  • tunnel T6 with a total length of 13.978 m; excavation and lining by TBM and 410 m excavated using NATM, final internal diameter 4,20 m
  • thickness of the segments 220 or 200 mm, length 1,4 m
  • Lot 3 comprises:

  • tunnel T7 40.650 m long; excavation and lining at the same time. Two TBMS start from two opposite end - North and South. Excavation diameter is 4,88 m, internal finished diameter 4,20 m.
   
India: PARBATI HYDROELECTRIC PROJECT- STAGE II
 
  • Rent of double shield TBM, Back up and auxiliary equipment (rolling stock, tunnel lines, TBM workshop) for the construction of two inclined pressure shafts (shaft length 1.542 lm/each), excavation diameter 4,88 m. Inclination degree 30¡
  • Lining with 25 cm thick precast concrete segments
  • Technical assistance
   



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