{"id":5680,"date":"2021-12-18T11:06:07","date_gmt":"2021-12-18T11:06:07","guid":{"rendered":"https:\/\/tunnelingworld.com\/?p=5680"},"modified":"2021-12-18T11:06:07","modified_gmt":"2021-12-18T11:06:07","slug":"the-next-two-ventilation-shafts-on-the-chiltern-tunnels-section-of-hs2-phase-one-is-delivering-according-to-keltbrays-contract-with-the-align-jv","status":"publish","type":"post","link":"https:\/\/tunnelingworld.com\/?p=5680","title":{"rendered":"The next two ventilation shafts on the Chiltern Tunnels Section of HS2 Phase One is delivering according to Keltbray’s contract with the Align JV"},"content":{"rendered":"

In accordance with Keltbray<\/a>‘s announcement, which is a leading UK specialist engineering business, it has concluded a contract with a \u00a312m value in order to extend its current C1 Shaft contract to present construction services for the next two ventilation shafts along HS2<\/a>\u2019s two giant tunnel drives through the Chiltern Hills, on behalf of the Align Joint Venture that is delivering the Central 1 (C1) portion of HS2 Phase 1. The announcement comes following the news that Keltbray secured the contract for the first two ventilation shafts on the project in August earlier this year.<\/p>\n

Location of the next two shafts on the contract are at Amersham and Little Missenden while the digging process of the shaft in Amersham is due to be to a depth of 55m.<\/p>\n

In order to create ventilation and emergency access to the tunnels Align with a ten-mile length that is boring beneath the Chiltern Hills, these shafts will be constructed. The whole area of services Keltbray will comprise of:<\/p>\n

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