Tilia supports utilities, municipalities, industrial and housing companies in implementing the changes and transformations required for more climate action and sustainability. In more than 500 projects, we have overseen change along the entire value chain and developed and implemented solutions together. We strive to achieve concrete, measurable results. The multidisciplinary team at Tilia remains in close contact with our customers because dialogue facilitates the development of results-oriented and integrated solutions in the fields of energy, water, the circular economy, mobility and infrastructure, digitisation and Smart City. As an international team, we rely on proven competence and experience as a service provider and in operational responsibility, to which we add our own innovations.
In work package 4, under the leadership of AIMEN, TILIA has the exciting task of conducting a technical and economic analysis for the roll-out of blue-green, decentralised infrastructure for mitigating and preventing diffuse pollution caused by surface rainwater runoff in the entire urban area of Santiago de Compostela.
In addition to the environmental benefits (improvement of the environmental and chemical condition of water bodies, reduction of disease risk, soil protection etc.), the economic and technical aspects (net present value etc.) must always be taken into account in the evaluation of solutions.
Looking at (semi-decentralised and decentralised) solutions in the water and wastewater sector has long been part of our expertise. Internationally, TILIA has supported several projects in small and medium-sized municipalities.
As part of the project INTECRAL (CLIENT I), various solutions were developed for the initial wastewater development (centralised, semi-decentralised and decentralised) of a community in the rural area of Rio de Janeiro in Brazil and subjected to a technical and economic evaluation in order to determine a preferred solution. The same procedure was applied as the one used for WATERUN. Based on valid preliminary technical planning, the economic aspects (construction costs, materials, operating costs, reinvestment) were considered over the life cycle.
Figure 1: Preliminary technical GIS-based planning of a sewage network in the example
of the INTECRAL project (Cardona 2016)
Authors:
Stefan Böttger, Tilia GmbH; stefan.boettger@tilia.info
Alexander Redeker, Tilia GmbH; alexander.redeker@tilia.info
Kristin Preßler, Tilia GmbH; kristin.pressler@tilia.info
Date: 30/03/2023