Blar i Institutt for prosess-, energi- og miljøteknologi på forfatter "Bjerkholt, Jarle Tommy"
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Analysing consequences of infiltration and inflow water (I/I-water) using cost-benefit analyses
Sola, Kristin Jenssen; Bjerkholt, Jarle Tommy; Lindholm, Oddvar G.; Ratnaweera, Harsha (Peer reviewed; Journal article, 2020)The Municipality of Asker (Norway) is at risk of not meeting the water quality targets set by the European Union Water Framework Directive within the stipulated timeframe. While there are multiple factors negatively impacting ... -
Categorising area models for stormwater fees at propert level: A literature review
Rydningen, Ulf; Torgersen, Geir; Bjerkholt, Jarle Tommy (Journal article, 2022)Worldwide, the increasing challenges due to stormwater run-off in urban areas are well known. Authorities need to be prepared for emergency situations and have plans for preventive measures to avoid flooded properties and ... -
Intensifying rehabilitation of combined sewer systems using trenchless technology in combination with low impact development and green infrastructure
Kvitsjøen, Julia; Paus, Kim Aleksander Haukeland; Bjerkholt, Jarle Tommy; Fergus, T.; Lindholm, Oddvar G. (Peer reviewed; Journal article, 2021)Throughout Europe, there is a considerable need for investment in the upgrade of sewer systems – due to three main factors: ageing infrastructure, climate change and urban population growth. The need for investments is ... -
What effect does rehabilitation of wastewater pipelines have on the share of infiltration and inflow water (I/I-water)?
Sola, Kristin Jenssen; Bjerkholt, Jarle Tommy; Lindholm, Oddvar G.; Ratnaweera, Harsha (Peer reviewed; Journal article, 2021)Infiltration and inflow water (I/I-water) is a big challenge in sewage systems in many countries. I/I-water above an acceptable level indicates that the sewage system is not functioning properly. I/I-water leads to increased ...