As a full company, with corresponding overhead costs, the average cost to hire a designer working for Witteveen + Bos is €90 per hour. In comparison, an experienced self employed designer working from home with a yearly income of €100.000 will do the same job for roughly €60 to €70 per hour (€100.000 …

Climate change and changing land use challenge the livability and flood safety of Dutch cities. One option cities have to become more climate-proof is to increase infiltration of stormwater into soil through permeable pavement and thus reduce discharge of stormwater into sewer systems. To analyze the …

Climate change and changing land use challenge the livability and flood safety of Dutch cities. One option cities have to become more climate-proof is to increase infiltration of stormwater into soil through permeable pavement and thus reduce discharge of stormwater into sewer systems. To analyze the …

The combined impacts of urbanization and climate change pose significant threats for flooding and water quality in urban areas. Research shows that on average 83% of the flooding events were caused by gully pot blockages, stating the crucial importance of gully pot maintenance. Roadside gully pots are …

This report contains the results of the graduation research of Jurre Kuijper and Martin Volgers. The research goal is to find an appropriate model to calculate the heat transfer under different sets of system conditions. The system in this case is a sewer heat system, which consists of a sewage pipe …

Storm sewers are known to significantly contribute to annual pollutant loads to receiving water bodies. The storm sewers of the city of Almere discharge the stormwater of 1384 ha of impervious area via 700 storm sewer outfalls (SSOs) to the local receiving water system. This water system suffers from …

Millennium Development Goal (MDG) 7, target 3 aims to halve, by 2015, the proportion of people without sustainable access to safe drinking water and basic sanitation. Current progress shows that the world cannot meet the target and sub-Sahara Africa is making the least progress. Despite the benefits …

Dow has set it self goals in order to achieve more water sustainability. To do so an integrated water management "Master Plan" is derived. By 2015 a 35% reduction in fresh water intake (in comparison with 2007) needs tot be achieved by enhancing re-use and recycle of water. The ultimate (2025+) objective …