by Mark Bollaert | Aug 15, 2019 | flooding
In the previous post (Part 1), the discussion centered around flood hydrology, which is one of two primary components in the simulation (or modelling) of flooding and resulting definition of flood-lines. The terms accuracy and detail as they relate to flood modelling...
by Mark Bollaert | Aug 7, 2019 | flooding
In South Africa, we term the boundary or maximum extent of simulated (or modelled) flooding, flood-lines, which is a common output from a computer model of simulated flooding (or flood model for short). Flood-lines usually relate to a recurrence...
by Mark Bollaert | Nov 28, 2018 | water use licence
There is often the need to consider the influence of a watercourse (e.g. a river) when starting a new development (or activity), even when the watercourse appears to be an insignificant part to the site. Evaluating the watercourse prior to defining the site layout...
by Mark Bollaert | Nov 21, 2018 | flooding
At Hydrologic we keenly pursue the latest developments in flood-line modelling that are sure to result in a more accurate, legible and sensible flooding assessment. Our ability to produce quality work comes from a solid foundation in flood risk that was gained in...
by Mark Bollaert | Nov 8, 2018 | storm water management
At Hydrologic Consulting, we are often tasked with the development of storm water management plan (SWMP) for a site. The development of a site alters the natural environmental state, thereby affecting the generation of storm water on the site, both in terms of...
by Mark Bollaert | Nov 10, 2015 | water supply
An internet search for news regarding water in South Africa currently produces the following headlines: Johannesburg imposes water restrictions as some suburbs run dry; Mpumalanga water levels critically low; Water restrictions set to continue; 40% of Durban’s...
by Mark Bollaert | Oct 14, 2015 | water quality
An article by moneyweb.co.za details the future release of a mine water atlas for South Africa which provides a reference on the vulnerability of water resources to mining activity in South Africa and assists in assessing water quality concerns in adjacent...
by Mark Bollaert | Oct 13, 2015 | water sensitive urban design
With the emergence and current trend towards Water-Sensitive Urban Design (WSUD) in South Africa, there is a growing demand for Sustainable Drainage Systems (SuDS) which are a robust, cost effective and practical in terms of the challenges presented by their use in a...
