1887

oa Civil Engineer in South Africa - Current stormwater drainage practice in South Africa

Volume 24, Issue 6
  • ISSN : 0009-7845

 

Abstract

The results of a survey of current stormwater drainage design practice are presented. The survey, undertaken by the National Building Research Institute during 1979, took the form of a questionnaire sent to various design offices in the Republic.


Questions were pored relating to design philosophy, design recurrence interval, frequency of observed malfunctions, hydrological design methods and minimum allowable pipe diameters. An example of a design for a hypothetical urban sub-development was also requested.
The results show a common design philosophy throughout the country but highlight wide variations in the application of design techniques.

Die uitslae van 'n opname van huidige stormwaterdreineringspraktyk word voorgestel. Die opname wat deur die Nasionale Bounavorsingsinstituut in 1979 onderneem is, was in die vorm van 'n vraelys wat aan verskillende ontwerpskantore in die Republiek gestuur is.


Vrae is gestel oor ontwerpsfilosofie, tussenposes van ontwerpsherhaling, frekwensie van waargenome foutiewe werking, hidrologiese ontwerpmetodes en die minimale toelaatbare deursnee van pype. 'n Voorbeeld van 'n ontwerp vir 'n veronderstelde stedelike onderontwikkeling is ook gevra.
Die uitslae toon 'n algemene landwye ontwerpfilosofie aan maar belig groot variasies in die toepassing van ontwerpstegnieke.

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/content/civeng1/24/6/EJC24882
1982-06-01
2016-12-10

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