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The consumed water volume was divided by the estimated population of the complex and by the numbers of days per year in order to estimate the per capita per day water consumption. Comparison was made between the calculated actual water consumption in each house and the guided consumption prescribed by local regulations and the Vision 2030. Tables 1 and 2 show this comparison, partially extracted from the Environment Agency Abu Dhabi (EAD) and the Regulations and Supervision Bureau (RSB). The Vision 2030 sets the priority threshold target for domestic water consumption (Table 1). The RSB, an independent body, supervises the water quality and supply standards in the Abu Dhabi Emirate, and provides the water demand and sizing criteria for water distribution companies in the Emirate (Table 2).

Table 1

Recommended water consumption guidelines according to the Abu Dhabi Environment Vision 2030 (EAD 2012), which provides guidelines to preserve the environment and water resources in the Emirate

Priority outcomeMeasureBaseline 2010Threshold 2030
3.1.1 Moderate average domestic water consumption Domestic water consumption in L/capita/day 586 <340 
3.1.2 Moderate average daily domestic outdoor water use in villas and shabiat Domestic outdoor water consumption (villa and shabiat) in L/capita/day 756 <340 
3.1.3 Maximum use of recycled water for amenities plantation % of total water consumed for amenities plantation 35% 67% 
Priority outcomeMeasureBaseline 2010Threshold 2030
3.1.1 Moderate average domestic water consumption Domestic water consumption in L/capita/day 586 <340 
3.1.2 Moderate average daily domestic outdoor water use in villas and shabiat Domestic outdoor water consumption (villa and shabiat) in L/capita/day 756 <340 
3.1.3 Maximum use of recycled water for amenities plantation % of total water consumed for amenities plantation 35% 67% 

Described under Priority Area 3: Efficient Management and Conservation of Water Resources, and Priority 3.1: Integrated and Efficient Use of Water Resources.

Table 2

Water demand and sizing criteria according to the RSB (RSB 2009)

Type of premises and consumption categoriesDescriptionEstimates of daily consumption rate (Imperial gallons)Estimates of daily consumption rate (litre)
Villa and shabiat Per capita 77 350 
Villa and shabiata General services 250/450 1,100/2,000 
Villa and shabiatb Per bedroom 110 500 
Villa and shabiat Per capita 77 350 
Type of premises and consumption categoriesDescriptionEstimates of daily consumption rate (Imperial gallons)Estimates of daily consumption rate (litre)
Villa and shabiat Per capita 77 350 
Villa and shabiata General services 250/450 1,100/2,000 
Villa and shabiatb Per bedroom 110 500 
Villa and shabiat Per capita 77 350 

aGeneral services mean water used for internal gardening and general cleaning purposes for a standard-sized shabiat and villa. It may increase or decrease according to the type and size of villa. However, the estimated rate of consumption for calculating additional quantities shall be between 1 and 1.5 gallons per square metre per day.

bFor the shabiat and villa category, a reduction factor may be applied for every additional bedroom, according to the Distribution Company's own criteria.

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