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Cleaning Costs for European Sheltered White Painted Steel and Modern Glass Surfaces Due to Air Pollution Since the Year 2000

1
NILU-Norwegian institute for air research, Instituttveien 18, Box 100, NO-2027 Kjeller, Norway
2
LISA-Laboratoire Interuniversitaire des Systèmes Atmosphériques, UMR CNRS 7583, Université Paris-Est Créteil, Université Paris-Diderot, Institut Pierre-Simon Laplace, 61, avenue du Général de Gaulle, 94010 Créteil, France
3
Swerea KIMAB, Isafjordsgatan 28A, 164 40 Kista, Sweden
*
Author to whom correspondence should be addressed.
Atmosphere 2019, 10(4), 167; https://doi.org/10.3390/atmos10040167
Received: 22 February 2019 / Revised: 22 March 2019 / Accepted: 27 March 2019 / Published: 29 March 2019
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Abstract

This paper reports estimated maintenance-cleaning costs, cost savings and cleaning interval increases for structural surfaces and windows in Europe obtainable by reducing the air pollution. Methodology and data from the ICP-materials project were used. The average present (2018) cleaning costs for sheltered white painted steel surfaces and modern glass due to air pollution over background, was estimated to be ~2.5 Euro/m2∙year. Hypothetical 50% reduction in the air pollution was found to give savings in these cleaning costs of ~1.5 Euro/m2∙year. Observed reduction in the air pollution, from 2002–2005 until 2011–2014, have probably increased the cleaning interval for white painted steel with ~100% (from 12 to 24 years), representing reductions in the single intervention cleaning costs from 7 to 4%/year (= % of one cleaning investment, per year during the cleaning interval) and for the modern glass with ~65% (from 0.85 to 1.3 years), representing reductions in the cleaning cost from 124 to 95%/year. The cleaning cost reductions, obtainable by 50% reduction in air pollution, would have been ~3 %/year for white painted steel and ~60%/year for the modern glass, representing ~100 and 50% additional cleaning interval increases. These potential cleaning cost savings are significantly higher than previously reported for the weathering of Portland limestone ornament and zinc monuments. View Full-Text
Keywords: soiling; modern glass; facades; air pollution; maintenance costs; cleaning costs; cleaning interval; dose-response function soiling; modern glass; facades; air pollution; maintenance costs; cleaning costs; cleaning interval; dose-response function
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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MDPI and ACS Style

Grøntoft, T.; Verney-Carron, A.; Tidblad, J. Cleaning Costs for European Sheltered White Painted Steel and Modern Glass Surfaces Due to Air Pollution Since the Year 2000. Atmosphere 2019, 10, 167.

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