Riverbank protection works

Tender description

Using a single party framework agreement Dublin City Council aims to develop a plan for the River Santry that improves river hydromorphology, reduces flood risk, enhances biodiversity, habitat and ecology where required, incorporates a recreational greenway, and identifies social and amenity needs within the catchment through stakeholder engagement. To achieve this, the successful candidate will bring the project through all stages necessary to allow Dublin City Council to submit a Planning Application and EIAR to An Bord Pleanála in accordance with Part X of the Planning and Development Act 2000 and Part 10 of the Planning and Development Regulations 2001. The successful candidate shall investigate whether any further statutory approvals are necessary to deliver the project and prepare any necessary documentation to allow Dublin City Council make applications for these approvals. The framework agreement will run for 48 months, with stage 1 running for 24 months. 1) River hydromorphology: (a) identify and resolve hydro-morphological pressures impacting the River Santry; (b) Re-naturalise the river channel where feasible in accordance with Water Framework Directive; (c) Identify solutions to address flood risk as projected by Catchment Flood Risk Assessment and Management Study (CFRAMS) models and in accordance with the Floods Directive; (d) Prioritising the use of natural water retention measures; (e) Assess the impacts of climate change to the year 2100 on the river. This may include the removal of existing structures such as culverts and flow controls, development of natural river features (meanders, pools, riffles, glides, etc.) and channel features to the river. It is an objective to remove existing hard banks and concrete channels and replace with more natural features. 2) Re-establish, where it has been lost, connectivity between the river and its riparian zone and natural flood zone. Flood storage should be achieved through natural river processes and structures, as well as natural water retention measures. This will require an understanding of the hydrology of the river and, consequently, it will be necessary to develop a hydrological model of the river, at appropriate scale, so that flood volumes may be accommodated within the catchment. 3) Improve the riparian corridor of the river and make provision, where required, for achieving objectives for biodiversity, ecology and habitat in accordance with the Birds and Habitats Directives, as well as creating a dynamic riverbed suitable for fish and invertebrates. 4) Work with local stakeholders, including developers, as part of the development of the plan. The plan will be a key mechanism for achieving good status for the River Santry under the Water Framework Directive. 5) Development of a recreational greenway throughout the catchment. The greenway shall be designed in such a way as to provide sustainable transport options for local communities without significantly impacting on objectives relating to biodiversity, ecology and habitat under the Birds and Habitats Directives. Specifically, the greenway shall not run parallel and adjacent to the river. It may, however, intersect the river at suitable locations. 6) As soon as possible after project commencement, identify and engage with relevant stakeholders and consider their input to the project. 7) a project risk management plan (PRMP) shall be produced, within the first 2 months of the project, taking into consideration commercial and engineering risks, as well as stakeholder input and will be created from the results and outcome of a risk management workshop(s). 8) The successful candidate will take on or subcontract the role of PSDP. PSDP must have required experience for the post. To achieve this, the successful candidate will bring the project through all stages necessary to allow Dublin City Council to submit a Planning Application and EIAR to An Bord Pleanála in accordance with Part X of the Planning and Development Act 2000 and Part 10 of the Planning and Development Regulations 2001. The successful candidate shall also investigate whether any further statutory approvals are necessary to deliver the project and prepare any necessary documentation to allow Dublin City Council make applications for these approvals (if any). Candidates must propose a multi-disciplinary environmental and engineering team having expertise, at a minimum, in the following areas: • environmental engineering, • environmental science, • civil/structural engineering, • landscape architecture, • archaeology/heritage, • hydrogeology, • ecology, • water chemistry, • urban design, • project supervision for the design process, • stakeholder consultation and communications, • project management, • GIS, • any other disciplines necessary to comply with the project scope, timelines and budget.