Search Results: 'Murphy '

London Power Tunnels completes first underwater breakthrough
14 March, 2023
A TBM working on National Grid’s London Power Tunnels (LPT) has completed its drive in a flooded shaft in south-east London.

BTS lecture to explore low-carbon concrete
28 February, 2023
Ultra low-carbon concrete is the focus of the British Tunnelling Society’s (BTS) March lecture.

Lower Thames Crossing plans accepted for review
29 November, 2022
The Lower Thames Crossing has moved a step closer with the Planning Inspectorate accepting National Highway’s application for a Development Consent Order.

National Highways resubmits application for UK’s longest road tunnel
08 November, 2022
National Highways has resubmitted its Development Consent Order (DCO) application for the Lower Thames Crossing.

ITA president to give keynote at BTS Conference
27 September, 2022
Newly-elected ITA president Arnold Dix will be a keynote speaker at the BTS Conference and Exhibition in London on October 11-12.

Laing O’Rourke to design and build HS2 Interchange Station in Solihull
13 July, 2022
The contractor has won the £370m contract ahead of Unity (a joint venture between Sir Robert McAlpine, VolkerFitzpatrick and WSP) and Skanska, who were named alongside Laing on the shortlist last year.

London power project completes first drive
24 June, 2022
National Grid’s London Power Tunnels (LPT) project completed the first of five drives this week.

Lower Thames Crossing bidders start dialogue
27 April, 2022
National Highways has invited the three shortlisted bidders for the £2.3bn Lower Thames Crossing tunnelling contract to participate in “dialogue” on how to deliver the scheme.

Necessity fosters innovation
17 March, 2022
Whether for large- or small-diameter tunnels, utility investment calls for more underground methods, ushering in several innovative techniques in the process. Patrick Reynolds reports

Lower Thames Crossing to be "greenest road ever built in the UK"
25 February, 2022
The Lower Thames Crossing has been designated a ‘pathfinder’ project to explore carbon neutral construction as part of National Highways’ efforts to make the new crossing the greenest road ever built in the UK.

Hochtief to build National Grid’s Snowdonia tunnel
08 February, 2022
Hochtief UK has been awarded a £207m (US$280m) power supply tunnel project by National Grid in Wales.

Tunnelling begins on London Power Tunnels Phase 2
06 July, 2021
Tunnelling has started on the second phase (LPT2) of National Grid’s £1bn (US$1.38bn) London Power Tunnels project as TBM Edith installs the first segment rings at the New Cross site, south of the River Thames.

Three bidders shortlisted for Lower Thames Crossing
07 April, 2021
Highways England has named three construction/engineering companies which it has shortlisted to build the proposed Lower Thames Crossing – destined to be the longest road tunnel in Britain and hailed as the most ambitious UK roads project for a generation.

National grids
25 March, 2021
Utility grid projects bring a variety of tunnelling challenges. Report by Patrick Reynolds

Soil mixing technique reduces HS2 footprint
12 March, 2021
To improve the geotechnical properties of the soil at an HS2 site near Coleshill, Warwickshire, a local firm used sustainable soil mixing to stabilise the ground and allow access for construction equipment.

Fire performance of concrete tunnel linings
25 August, 2020
Fire testing of concrete tunnel linings and the effects of explosive spalling were the subject of the British Tunnelling Society talk in March. Rosa Diez of Mott MacDonald reports

National Grid awards LPT2 tunnels contract
19 December, 2019
Great Britain – National Grid has signed a GBP 400M contract with Hochtief-Murphy JV to deliver the tunnels and shafts for the London Power Tunnels (LPT2) project. The overall scheme will cost GBP 1bn (USD 1.3bn) and take six years to complete. This is the second phase of the LPT project.

Lead design contract awarded for North Bristol Relief Sewer
14 December, 2018
Great Britain – Aecom has secured a contract with J Murphy & Sons as lead designer for the North Bristol Relief Sewer, a new 6.5km tunnel for Wessex Water that will reduce flood risk and increase stormwater storage capacity to accommodate ongoing and future developments in Bristol and South Gloucestershire.

Whiteball Tunnel to be refurbished
08 March, 2018
Great Britain – Murphy has been awarded a GBP 2.4M (USD 3.33M) contract for tunnel maintenance on the Whiteball Tunnel in Somerset.

HSE to assume ‘no comment is assent’ on exposure limits
25 January, 2018
International - All European countries are being faced with implementing lower exposure limits for a number of hazardous substances in August this year. The two substances of most interest to tunnellers are nitrogen monoxide and nitrogen dioxide found in diesel engine exhaust and blasting fume.