Improving the efficiency of a Pre- Rinse Spray Valve (PRSV) is one of the most cost
effective water conservation methods in the Food Services Industry. A significant
contributor to this cost efficiency is the reduction in the energy costs required to provide
the mandatory hot water. This research paper estimates the potential quantity and dollar
value of the water and energy that can be saved annually in Texas A&M University's
dining services with the installation of low flow pre-rinse spray valves.
The data collection was obtained from four of Texas A&M University's Dining
Services facilities. The annual savings were estimated by contrasting the water
consumption of the existing T & S Brass B 0107-M PRSVs with the latest and most
advanced available low flow T and S Brass B 0107-C PRSV. The annual water
consumption of the existing and new PRSVs were predicted by measuring an individual
average flow rate for each and observing the number of hours per day the PRSV would
be used. The observed and measured values were extrapolated to amount rates to
determine cost savings. The dollar value was ascertained using the utility cost data recorded over a semester by the Facilities Coordinator of the Department of Dining
Services.
The findings of this study show that the water savings from a single PRSV could lead to
an estimated annual saving ranging between 46% and 78% of the current operation cost.
The T & S Brass B 0107-C PRSV is currently priced between $52- $60 per valve
resulting in a payback period ranging between 1.5-6 months per valve. If every valve on
campus was replaced, the University could reap a savings in the range of $ 5,400-
$22,590 over the 5 year useful life of the valve, having initially invested less than $550.
| Identifer | oai:union.ndltd.org:tamu.edu/oai:repository.tamu.edu:1969.1/ETD-TAMU-2010-05-7934 |
| Date | 2010 May 1900 |
| Creators | Rebello, Harsh Varun |
| Contributors | Jackson, Jerry, Horlen, Joe |
| Source Sets | Texas A and M University |
| Language | en_US |
| Detected Language | English |
| Type | thesis, text |
| Format | application/pdf |
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