Author Archives: hmalavi

We started sharing some stories about our professional life in our social media pages as below:

Click on the photo to see the report:

According to the Metro-Vancouver guideline, the irrigation restriction will start on May 1st, so setup your irrigation controller or clock according to the following instruction:

We are all experiencing very tough times in light of COVID-19, and we must be committed to doing what we can to flatten the curve. Beside the many instructions that we are receiving from the health authorities, we always hear “wash your hand frequently “. As a member of Water Resources Community, we would likeContinue reading “COVID-19 and Water Resources”

As hydraulic designer of piping systems in our waterworks, we deal with following definitions on a regular basis: . Pipe material and structure: homogen vs. composite, single wall vs. double wall . Pipe mechanical properties against the external and internal loading including stiffness and service/bursting pressure, and working temperature during lifetime of project . PipeContinue reading “What we do in our SWM & ESC plans(4)? Pipes”

The filter design around the drain tiles or in any drainage system is a very important task in our designing process. We normally cope with following questions? Any project has it’s dedicated design and criteria for the drains’ filter that should be addressed by designer.