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lillll.'.II'
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high income. Iow density areas was used for swimming pools and
general garden maintenance.
(iii) Perold. R.P.• 1957. B. Water supply on the farm. Water
requirements for home and farmyard. In: Handbook for Farmers in
South Africa. VOL 1: Agriculture and Related Services. Department
of Agriculture. Pretoria. p. 527 • 529.• fut forward a design
consumption figure of 114 t capita- 1 day- for white (rural) farm
households (presumably including a form of septic tank system).
Such a consumption is much the same as white lower income urban
consumption.
(iv) Commercial sector water consumption in the Central Business
District (CBD) of Pietermaritzburg accounted for an "effective" 11 %
of the total domestic consumption for the Pietermaritzburg
reticulation network. This figure reflects the effective population
served in the CBD. where limited residential occupation and therefore
demand was evident (Home Glasson Partners. 1989. VOL 21.
(vI Home Glasson Partners (1989. VOL 2). found that industrial water
consumption in the Umgeni Water supply area varied from 10 kt
ha- 1 day-1 for light dry industries. to as much as 540 kt ha- 1 day-1
for intensive wet industries such as textiles and sugar mills. The
mean weighted industrial water consumption for the study area was
some 35 kt ha- 1 day·1. For design purposes. a mean of 100
workers per gross hectare of industrial land was assumed. Densities
were found to vary from 60 - 120 workers per gross hectare for
early-developing/space-extensive types of industry vis-a-vis smaller
and more established industries respectively. Densities in excess of
200 workers per gross hectare were noted in centrally located high
intensity industries in Durban (Home Glasson Partners. 1989. Water
plan 2025. VOL 1. Umgeni Water. Pietermaritzburg. various pages).