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O&M Motorway Maintenance and Renewals Contract (ELS)

O&M Motorway Maintenance and Renewals Contract (ELS)

Region C is one of three Motorway Maintenance and Renewals Contracts (MMaRC) in Ireland issued by Transport Infrastructure Ireland.

In 2013 Lagan Operations and Maintenance formed the Egis Lagan Services joint venture with our partner Egis Road Operation S.A, to provide this service. The project comprises the routine operation and maintenance of over 350Kms of Motorway and National Road network and includes the normal inspections, environmental maintenance, incident response, and winter maintenance core activities together with full liaison with the local authorities and the Motorway Management Traffic Control Centre.

Project Duration

2013 to present

Distance covered

+350 km

Contracted by

Transport Infrastructure Ireland

In addition, repair works, and renewals schemes can be instructed through the contract by Transport Infrastructure Ireland.

  • Undertaking routine inspections and maintenance of the asset, including pavement, drainage, structures, bridges, signage and safety barriers.
  • Responding to incidents on the network, including emergencies and repairs to damaged sections of network.
  • Provide severe weather response & winter maintenance service.
  • Collect and manage asset data within the inventory management system.
  • Undertake improvement, rehabilitation and renewal works.

The data on asset condition in our bespoke Road Maintenance Management Systems (RMMS) developed inhouse by our engineers is combined with information derived during site visits by road inspectors in order to identify the priorities for maintenance and renewals. The information is circulated to the Road Authority to allow maintenance and renewal programmes to be planned in advance. Network C covers the South and Southeast includes parts of the M7, M8, M9, N10, N20, N22, N24, N25, N28 and N40. Operations are run from five depots strategically located along the route to enable us to provide an efficient service of the route.

  • M7 – Portlaoise
  • M9, N10 & N24 – Kilkenny
  • M8 & N24 – Cahir
  • M8, N20, N22, N25, N28 & N40 – Cork
  • N22 – Macroom

Each depot is sufficiently equipped with skilled staff, vehicles, kit, equipment, and materials to operate its specific section of the network and provide interaction with adjacent sections and stakeholders. The Cahir Depot also contains storage facilities for a combined total of 30,000 tonnes of salt which can be efficiently dispersed around the region to augment the supplies held by individual Local Authorities in emergency situations. Renewal schemes instructed by Transport Infrastructure Ireland under the contract include.

  • Pavement reconstruction and inlay projects.
  • Drainage projects.
  • Bridge construction.
  • Bridge parapet replacement works.
  • Bridge repair works
  • Construction of additional junctions slip roads.
  • Construction of culverts.
  • Safety and Environment Barrier projects
  • Road markings replacement.
  • Signage projects.
  • Installation of major ITS infrastructure.
  • Lighting schemes.
  • Sustainability projects.
  • Clear zone works.

N71 Rochfordstown Culvert

This project consists of the installation of two box culverts, one underneath the mainline N71, and the other at the entrance to the Viaduct Inn Bar and Restaurant. The culverts replaced the existing piped crossings of the Twopot River with larger crossing that will provide more capacity and reduce the likelihood of flooding at this location. The project also consisted of drainage works, river channel strengthening, barrier works, pavement works, line marking and landscaping works. See bellow list of project elements;

  • Establish Temporary Traffic Management
  • Remove existing safety barrier systems.
  • Erection of temporary safety barriers.
  • Set up temporary diversion of existing water ways to allow for installation of the culverts.
  • Expose and protect existing services near the new culvert locations. There was a trunk Fibre Optic line under which the culvert units had to be placed.
  • Mark out and cut existing road surfacing at culvert locations.
  • Implement full road closure and diversion of the N71 for a weekend.
  • Excavate, stockpile and dispose of spoil for to place new culverts.
  • Prepare ground for new culverts.
  • Lift into position twenty-five box culvert sections each weighting twenty-three tons.
  • Seal and waterproof new culvert sections.
  • Backfill to new culverts sections including back of wall drainage.
  • Preparation of new road base above newly installed culvert.
  • Laying of road pavement across the width of the culvert excavation.
  • Installation of lines and road studs.
  • Rerouting and reposition services into new locations across the culvert.
  • Installation of kerbing and concrete aprons to protect services over the newly installed culvert.
  • Installation of new vehicle restraint systems.
  • Installation of new fencing
  • Refurbishment of verges along with grass seeding.
  • Strengthening of river channel at each side of newly installed culverts with rock armour.
  • Installation of special flat stones to inside of culverts.
  • Final grading and removal of trees to landscaped areas.

The Project was carried out over a single weekend under a full road closure, opening on a Sunday evening at 18:00 hours.

N20 2+1 Pavement Scheme

This project was part of Motorway Maintenance and Renewals contract and involved the rehabilitation of 8km of pavement between Rathduff and Mourneabbey. The project was carried out on the 2 + 1 scheme just north of Rathduff Village and involved complex traffic management layout due to the constrained nature of the road section.

The project involved the following elements:

  • Establishment of Temporary Traffic Management which involved the placement of temporary safety barrier.
  • Planning the existing road surface
  • Overlaying with a new road surface in varying thicknesses from 95mm upwards
  • Construction of a new drainage system in certain sections and rehabilitation of the existing drainage elsewhere
  • New safety barriers were constructed on the scheme including verge and central reservation safety barriers.
  • New signs were erected throughout the project area.
  • The roadside verges were raised and reinstated.
  • Line markings were repainted on the new road surface.
  • Trees and shrubs in the roadside verges were surveyed by a qualified Arborist which recommended certain trees for removal and maintenance for others.

N25 Lakeview Slip Road

The project involved the design and construction of a dedicated slip road at the existing lakeview roundabout to take traffic approaching from the southern arm and intending to travel west away from the main roundabout itself. This project greatly improved traffic congestion on approach to the roundabout.

The project involved the following elements:

  • Project Design
  • Establishment of Temporary Traffic Management and Site Security
  • Adjacent landowner liaison
  • Garda and local authority liaison
  • Site clearance
  • Earthworks
  • Construction of reinforced concrete retaining wall
  • Installation of petrol interceptor and drainage gullies for new slip road
  • Kerbing
  • Signage
  • Street Lighting
  • Pavement Construction
  • Landscaping
  • Boundary fencing