EKFB JV - Mechanical & Electrical Works for Green Tunnel Portal Buildings - Power Supply System Package
Key facts
- Estimated value
- £500,000
- Closing date
- 05 Jul 2024
- Contract starts
- 24 Oct 2024
- Contract ends
- 28 Mar 2025
- Buyer type
- Other public body
- Source
- Contracts Finder
Description
EKFB is proud to have been appointed by HS2 to deliver civil engineering works across an 80km section of the new high speed rail link between the Chiltern Tunnel and Long Itchington Wood. Our scope of the works includes 15 viaducts, 5 km of green tunnels, 22km of road diversions, 81 bridges and around 30 million cubic metres of excavation.
EKFB are looking for a competent contractor to provide the power system to the portal building .
The portal building electrical distribution system shall have 100% redundancy in the form of Source A and Source-B for the LV main distribution as per the HS2 electrical design standards. The A & B transformers shall serve respective LV main switchboards. LV main Switchboards are placed in dedicated LV A & B switch rooms for improved security of supply.
A cable inter-connection has been provided between the two LV main switchboards as a bus coupler. In the event of an interruption of supply to one of the incoming HV supplies, the entire building design load can be supported from only one incoming HV supply and transformer. In normal operation, each LV main switchboard shall serve approximately 50% of the power demand. An electrical, electronic and mechanical interlock shall be provided to prevent the cable link circuit breaker from being closed when it is not safe to do so.
Categories (CPV)
- 45311000 Electrical wiring and fitting work
- 45317400 Electrical installation work of filtration equipment
- 45311100 Electrical wiring work
- 71321000 Engineering design services for mechanical and electrical installations for buildings
- 45311200 Electrical fitting work
- 71333000 Mechanical engineering services
- 45315000 Electrical installation work of heating and other electrical building-equipment
- 45317300 Electrical installation work of electrical distribution apparatus
- 50532000 Repair and maintenance services of electrical machinery, apparatus and associated equipment
- 51110000 Installation services of electrical equipment
- 45317000 Other electrical installation work
- 50711000 Repair and maintenance services of electrical building installations
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