Flow Rates and Slotdrain Sizing 
Elkington Gatic has been closely involved with designing surface water drainage systems in partnership with consulting engineers for many years. It has become increasingly apparent throughout this period of time that due to the number of variables applicable to each individual project, the information contained in published capacity charts provides only a very limited amount of useful data. Any combination of the following variables will have a direct and significant impact upon the surface water drainage design.

. geographic location
. rainfall intensity and duration
. natural gradients on the site
. length of each channel run and outlet position		 . effects of adjoining runs or rainwater inlets
. permeability of surface material
. specific local environmental requirements
. Stormwater Attenuation

In view of these factors, Elkington Gatic, in conjunction with a leading drainage hydraulics consultancy, has developed the Slotdrain Interactive Design Software programme, a unique and extremely versatile surface water drainage design software tool. The design software enables all of the above criteria to be considered and provides comprehensive data sheets and CAD/pdf drawings for each individual run plus links to standard details for all channels and system components.
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To arrange a demonstration and free installation of the software please click here, or alternatively call +44(0) 1304 203545
Please click here for a comprehensive guide to this section Download PDF