Shannonpark and Raffeen Junction Case Study
Added January 14, 2020
MEIC completed the civil works on the Shannonpark project for our client Transport Infrastructure Ireland & Cork Co. Council. The Contract was named the 'Shannonpark Roundabout and Raffeen Junction Upgrade' and was located on the N28 national road linking Cork City to Ringaskiddy and Carrigaline. The goal of the project was to facilitate improvements to the operational performance of the roundabout, provision for vulnerable road users and to facilitate a number of traffic calming measures to enforce a lower speed environment.
The works was split into two sections, The Shannonpark Roundabout works and Raffeen Junction Upgrade works. The Shannonpark Roundabout works involved the addition of two no. additional lanes to increase capacity at the junction as well as improvements to facilitate pedestrians and cyclists. The Raffeen Junction works involved a number of traffic calming measures to enforce a lower speed environment and additional facilities for pedestrians and cyclists passing through the junction. The total completed value of the contract was €1.17 million euros.
The completed Shannonpark and Raffeen Junction works involved the following development:
• Site Clearance works
• Traffic Management
• Removal of Vegetation and tree felling works
• Construction of an additional lane on the N28 northern approach and an additional lane on the N28 Eastern approach at the Shannonpark Roundabout
• Removal of deceleration and acceleration lanes at the Raffeen Junction
• Protection of existing Eircom ducting and communications cables
• Replacement of existing public lighting lanterns with new LED lanterns
• New storm sewers, gullies and manholes
• Provision, upgrade and extension of shared pedestrian/cycle facilities
• Provision of pedestrian/cycle crossing points
• Resurfacing of existing road surfaces and new road markings
• New signage and safety barriers
Key Project Deliverables and Challenges:
• The N28 road is a national primary road and carries heavy volumes of traffic during peak hours due to the large residential community in Carrigaline and the major employment and industrial centres in Ringaskiddy. The design of the Temporary Traffic Management system was planned in advance of the works commencing. It was divided into strategic stages to ensure minimal disruption to the flow of traffic during peak hours while ensuring maximum safety and productivity was achieved at all times.
• MEIC’s high health and safety standards were maintained at all times during the contract as we maintained access for pedestrians, motorists and emergency services throughout the works. During the six months of construction, MEIC are proud to note that no reportable accidents or incidents occurred on this challenging site.
• Additional works issued during the works involved the felling of approximately 100 no
40m high trees along the N28. Works were completed by a specialist contractor with a full traffic management system in place. Due to the high volumes of traffic, felling works were completed outside of peak hours, with an all stop put in place during the lowering of the trees.
In a challenging environment, the Shannonpark Roundabout and Raffeen Junction project was delivered to a high standard and completed on time.