International Conference on Rain Water Cistern Systems
Manila , Philipines
- August, 1989
H: Delivery And Diversion Systems
Hydraulics Of Rainwater
University of New Mexico, U.S.A.
In the author's observation, a frequent weak link in rainwater cistern system
performance is the catchment gutter. Collected rainwater is spilled before reaching
the cistern. In some instances, gutter maintenance is neglected. In some instances,
gutter construction is faulty. In some instances, gutter design is fundamentally
inadequate. This paper addresses design issues, the relation of precipitation
intensity and roof area to gutter cross-sectional shape, size, slope and length.
A spatially varied hydraulic profile solution is reduced to a general statistical
rule for design. Consideration is given to aspects of gutter technology in developing
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