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Case Study: West Rail

Project

West Rail

Client

Kowloon Canton Railway Corporation (now merged with MTR Corporation)

Year

2003

Location

Hong Kong

Task

  • West Rail is a 30km long twin track railway, connecting Kowloon with Tuen Mun in the New Territories. The route consists mainly of tunnels and viaducts, including nine stations built above and below ground

  • Working closely with the contractors and the representatives of the client, Fosroc provided a wide range of solutions for the various construction methods used on the project

Constructive Solution

  • Fosroc solutions included the following:

Cement & Concrete Technology:

  • Several on-site batching plants used Fosroc admixtures for foundation and structural concrete. The project included some of the world’s deepest bored piles (>100m). The client’s specification for structural concrete contained stringent durability requirements. Fosroc Conplast SP432MS and Fosroc Conplast RP264 were used to meet the requirements of the client and contractor

Barriers:

  • Fosroc supplied a number of significant barrier solutions to the project, including:

  • Fosroc Proofex Engage and Fosroc Polyurea for waterproofing a cut and cover tunnel

  • Fosroc Proofex SM for waterproofing the roof and podium structures on two stations and the main maintenance depot

  • Fosroc Aquaprene C hydrophylic gaskets for sealing the gaps between precast segments in a 4km long twin bored tunnel

Finishes:

Value to Client

  • Some of the advantages of Fosroc Constructive Solutions were as follows;

  • Fosroc Cement & Concrete Technology expertise assisted the contractors with developing and gaining approval for concrete mixes that met the stringent project requirements

  • The innovative Finishes system for Mei Foo station used a water-resisting render that eliminated the need for a separate membrane. Combined with the speed of spray application, this saved considerable time and cost for the contractor and gave a superior end product to the client

  • Fosroc was able to offer a wide range of Barrier solutions to meet the varying needs of the project. Durable systems were employed for meeting the needs of challenging below-ground conditions. For podium and roof structures, contractors needed an economical solution that could be applied rapidly. Again, Fosroc was able to meet this need

Link

www.mtr.com.hk