UBC Social Ecological Economic Development Studies (SEEDS) Student ReportPriyanka ChakrabartiProject: St. John’s College Residence buildingPLAN 597October 10, 201411451692University of British Columbia Disclaimer: “UBC SEEDS provides students with the opportunity to share the findings of their studies, as well as their opinions, conclusions and recommendations with the UBC community. The reader should bear in mind that this is a student project/report and is not an official document of UBC. Furthermore readers should bear in mind that these reports may not reflect the current status of activities at UBC. We urge you to contact the research persons mentioned in a report or the SEEDS Coordinator about the current status of the subject matter of a project/report”. *Although the charges are applied in Cubic Ft. all the charts are created using the values in Cubic meters. Plan 597:Planning for water Resources management Assignment 1: Data Analysis Fall 2014 Project: St. John’s College Residence building 2010-‐2014 By: Priyanka Chakrabarti Master of Science in Planning-‐2016 SCARP, UBC *Although the charges are applied in Cubic Ft. all the charts are created using the values in Cubic meters. Introduction The data provided in this paper represents the water consumption as per the meter readings from St. John’s College residence at UBC. It is a graduate residential college with a kitchen (data not included here), common spaces, several studio and single bedrooms as well as guest rooms. St. John’s College accepts graduate students year round and also hosts visiting professors from all over the world. Data Collection and analysis The data in this paper was obtained from the power house at UBC (STC is customer #329) and includes 57 data points for the years 2010-‐2014. The graphs have been done using the consumption readings in cubic meter. No renovations have been done in this building. Calculations for measuring the consumption have been done using the following formula: [(Current High Flow meter reading-‐ Previous high Flow meter reading) + (Current low flow meter reading-‐ Previous low flow meter reading)] x 35.314475 (conversion rate to cubic feet) *Although the charges are applied in Cubic Ft. all the charts are created using the values in Cubic meters. There were several inaccuracies in the data provided for the consumption, hence all the consumption values were recalculated and then used for preparing the charts. From the chart below, there seems to be a sudden dip in the consumption in June and then a sudden increase in values in July, which is quite odd and probably indicate something missing from the readings. The highest recorded value for water consumption was in November 2012. The inconsistencies and sudden dips and rise in values disappear after April 2013 as the readings see to show a gradual rise or fall of the numbers without any drastic change. fig 1.1 0 500 1000 1500 2000 2500 13/01/10 13/03/10 13/05/10 13/07/10 13/09/10 13/11/10 14/01/11 14/03/11 17/05/11 17/07/11 12/09/11 12/11/11 15/01/12 15/03/12 14/05/12 14/07/12 10/09/12 10/11/12 13/01/13 13/03/13 14/05/13 14/07/13 16/09/13 16/11/13 13/01/14 12/03/14 15/05/14 12/07/14 12/09/14 Monthly consumption in cubic metres from 2010-‐2014 0 consumption in cubic metres *Although the charges are applied in Cubic Ft. all the charts are created using the values in Cubic meters. fig: 1.2 The graph in fig 1.2 is a scatter diagram with the months plotted against consumption. The years 2012 and 2013 seem to have the some of the highest and lowest readings showing great fluctuations. The Histogram in fig. 1.3 shows the frequency of readings and the readings from 1000-‐1500 seem to be the most in number showing some consistency with a few odd numbers (very unlikely) sprinkled in between. 0 500 1000 1500 2000 2500 0 2 4 6 8 10 12 2010 2011 2012 2013 2014 *Although the charges are applied in Cubic Ft. all the charts are created using the values in Cubic meters. fig 1.3 Summary Statistics (fig 1.4): Median 714 Mean 719 Variance 363 *Variance has been calculated as sample standard deviation 0 5 10 15 20 25 30 35 40 45 50 Figure 1: Distribution for Monthly Water Consumption, from 2010-‐2014 0-‐500 500-‐1000 1000-‐1500 1500-‐2000 2000-‐2500
UBC Graduate Research
St. John's College Residence building 2010-2014 Chakrabarti, Priyanka Oct 10, 2014
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