Testimonial/Case Study (1)
AS-C main contractor for the New 1 Million Tonne Dalian Xizui Grain Terminal

The Dalian Xizui Grain Terminal will, upon its completion, be one to the largest grain terminals in the world. This major investment in the port infrastructure of North Eastern China will form a major intermodal hub for grain movements into and out of China. The grain storage capacity of nearly 1,000,000 Tonnes is comprised of:

  • The main Silo complex with 384,000 tonnes in 128, round Concrete Silos, (Phase I of the Construction Project)
  • A further linked long-term storage of 600,000 tonnes, in 20 large diameter Silos. (Phase II of the Project)

AS-C were principal contractor for the Phase I MEC Project which was backed and funded by the World Bank, with full turnkey responsibility for design, procurement, project management, fabrication through to commissioning. AS-C were then awarded the design contract for the Phase II Material Handling Systems which incorporate AS-C patented low maintenance air cushioned SIMVEYOR Equipment.

The contract has been immensely challenging for AS-C's project management expertise. Equipment has been sourced from all over Europe, America and the Far East and required detailed interface with AS-C's PRC Subcontractors and site installation teams. With over 80 subcontractors from China the EU and the USA, positive cash flow management has been a top priority.

Grain is delivered by either rail or sea to the main silo building material handling system. From here the grain is distributed to either the short/medium term storage silos or the long-term storage extension or alternatively despatched to rail or sea.

The terminal incorporates the following Grain Transfer Functions:

  • Two Rail Unloading Conveying Lines, each rated at 2000TPH
  • Two Ship Unloading Conveying Lines, each rated at 1000TPH
  • Two Rail Loading Conveying Lines, each rated at 1000TPH
  • Two Ship Loading Conveying Lines, each rated at 2000TPH

The grain is moved utilising approximately 11 kilometers of As-C designed troughed Belt Conveyors running through tunnels and steel gantries. Equipment and grain transfers are housed within six steel framed towers, also installed by AS-C.

Grain will pass through the weigh tower whether arriving from ship or rail or being transported out to ship. The tower can accommodate all of these functions simultaneously and houses:

  • Four 2000TPH Batch Weighers
  • Two 1000TPH Batch Weighers
  • Six Material Screens
  • Grain Sampling Systems
  • Duct Collection Systems

Complete with all the associated valves and chutework required to route the grain.

The rail loading station houses its own weighing systems, capable of loading four wagons at the same time, each with 60 tonnes of grain. The wagons are moved and located using rail indexing systems on two lines, each capable of handling rakes upto 24 wagons in length. (The rail unloading indexing systems have a similar capacity).

As well as the material handling systems, AS-C are responsible for all ancillary systems including:

  • Full water and gas fire fighting, detection and alarm systems
  • Three vacuum cleaning systems covering all buildings
  • Five independent fumigation systems

Further facts and figures:

  • Steelwork weight (towers) - over 2,000 tonnes
  • Steelwork weight (gantries) - over 2,000 tonnes
  • Steelwork weight (conveyors) - over 1,600 tonnes
  • Steelwork weight (chutework & hoppers) - over 1,500 tonnes
  • 47 dust filters (and 630 tonnes of ductwork)
  • 448 slide valves, many 950mm square and 139 modulating
  • 5 fumigation systems servicing 31 silos
  • Approx. 22,000 metres of conveyor belting
  • Over 12,000 troughing idler sets
  • 49 Belt Conveyors and 5 chain Conveyors
  • In line sampling systems

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