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Water Consumption

Water is essential to the hotel and tourism industry—for food preparation, cleaning and hygiene, guest comfort, and recreation. Hotels also depend upon the survival of their supply industries such as agriculture and the food and beverage industries— none of which could function without sufficient water. In this respect, water accounts for around 10 % of utility bills in many hotels. Even in areas where water is scarce, it makes commercial sense to use it wisely (United Utilities Web Site 2015).

Hotel Water Consumption Estimation

To determine the water consumption, the number of guests in the hotel should be determined to be able to use benchmark of water consumption of each guest to determine the total water consumption. The typical floor of the Hilton Ramses hotel is illustrated in Fig. 9.41. It contains 24 rooms and six suites in total of 30 rooms in

Lighting and power schedule (obtained from REVIT simulation results)

Fig. 9.38 Lighting and power schedule (obtained from REVIT simulation results)

Energy simulation results (obtained from REVIT simulation results)

Fig. 9.39 Energy simulation results (obtained from REVIT simulation results)

Energy consumption benchmark. Source

Fig. 9.40 Energy consumption benchmark. Source: Environmental Management for Hotels

Fig. 9.41 Typical floor plan of Hilton Ramses hotel

Water consumption per person overnight. Source

Fig. 9.42 Water consumption per person overnight. Source: Environmental Management for Hotels

Box 9.4 Annual hotel occupancy

Annual

occupancy

Number of floors

X

Rooms

each

floor

X

Days of the year

X

Occupancy

percent

X

Occupancy

rate

30

X

30

X

365

X

0.70

X

1.2

=275,940

people

suites. Thus, the total annual water consumption was calculated by multiplying water consumption level per person multiplied by the number of annual occupants in the hotel, and the benchmark for water consumption per person is presented in Fig. 9.42. Hilton Ramses hotel has satisfactory water consumption level. The total annual occupants is the result of multiplying the number of rooms per floor by the number of floors, days of occupancy (365 days), occupancy percent, and occupancy rate per room as shown in Box 9.4. Also, the total annual water consumption is exhibited in Box 9.5. It shows that the total water consumption of the hotel is 165,564 m3.

Box 9.5 Annual water consumption for hotel

Annual water

Annual

Water consumption/

consumption

occupancy

X

prison

275,940

X

0.6

=165,564 m3

Box 9.6 One cubic metre of water usage

1 Cubic metre of water provides enough for: 13 baths

or 14 washing machine loads or 28 showers or 33 dishwasher loads or 111 toilet flushes

Source: United Utilities Web Site (2015)

 
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