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<br />ff-- <br /> <br />ANALYSIS OF SHOWER METERING DATA <br /> <br />Issues: <br /> <br />1. 2 of 8 meters in owner-managed unit with high percentage of <br />unknown nightly occupancies. <br /> <br />2. <br /> <br />Meter reading problems. <br />required. <br /> <br />"Interpretation" of raw data <br /> <br />3. Building 300 analysis more accurate than Building 200. <br /> <br />4. Estimating "actual" flow rates that include throttling. <br /> <br />Analvsis: <br /> <br />1. Room 222: <br /> <br />11/16 - 3/24 meter data "reliable"; <br />1. 75 gpm; <br />300 person-nights; <br />owner-managed unit; high percentage of "renters" who did not <br />report occupancy; <br /> <br />Result: 4.98 minutes/person/night <br />(but number of occupants data has high uncertainty! <br />this result considered unreliable) <br /> <br />2. Room 223: <br /> <br />8/24 - 11/27 and 2/25 - 3/24 meter data "reliable"; <br />1. 75 gpm; <br />160 person-nights; <br />acceptable number of "unknown" occupancies; <br /> <br />Result: 3.78 minutes/person/night <br />(but relatively small sample <br />required of raw meter data! use <br />200 result) <br /> <br />and "interpretation" <br />this result for Bldg. <br /> <br />3. Room 321: <br /> <br />8/24 - 3/24 (excluding 1/26 - 2/25) meter data "reliable"; <br />2.3 gpm; <br />376 person-nights; <br />acceptable number of "unknown" occupancies; <br /> <br />Result: 3.75 minutes/person/night <br />