Water & Sewage Systems

Water & Sewage Systems Water & Sewage Systems Water & Sewage Systems

Water & Sewage Systems

Our comprehensive service is tailor-made to the individual requirements of our customers and ranges from sewage systems and  analysis, optimization, start-up and general supervision to a complete operating contract, where we treat your water and sewage system for you while you focus on your core business.

Professional Service Starts with Water & Sewage Systems

During the start-up of Sewage Systems treatment plant and beyond, you will be accompanied by our competent team. Due to the high quality of our wastewater treatment plants, a long-term operation of your system is secured. It may happen that the composition of the wastewater in the inlet of the system or the requirements for limit values change over a longer period. Re-analyzing all aggregates and process steps of the process, as well as training your staff, can therefore result in significant cost reductions.

Our service also include: 

Water Pipes Installation 

Your main water line runs underground from the street to your home and is the main supply of domestic potable water. Some symptoms of a main waterline that needs replacement are (but not limited to) unusually high water bills, wet spots in your landscape that never seem to dry up, and restricted water flow and discolored water.

Al-derah uses special equipment and up to date trench-less technology to replace your deteriorating and unreliable existing water supply line with long lasting, reliable and durable pipe. Al-derah prefers to use PEX –style, cross-linked polyethylene pipe or HDPE (high density polyethylene) pipe because of its proven track record for durability, reliability and longevity.

The replacement of an existing metallic water line with non-metallic piping may compromise the electrical grounding system on existing older building, if the metallic water line was used as the only source of grounding. Without a proper service ground, a short circuit may not trip the safety fuse or circuit breaker which could lead to appliance damage, fire or a serious electrical shock .


When considering installing new water pipes in your home or otherwise known as a “repipe”, there are more than a few things to consider and or questions that you should have answers to before doing so.

How do I know if I need a repipe?
  1. Poor water pressure or volume
  2. Leaking or corroded pipes
  3. Rusty discolored water
  4. Your existing pipes are galvanized steel
  5. You experience problems when running more than one fixture.

Poor water pressure most often is the term used to describe what actually low water volume is. The major contributing factor to poor water volume is the rust and corrosion causing the inside diameter of the pipe to close off much like ageing arteries in a heart. Adding to the problem is the constant flow of debris that flow through an aging potable water plumbing system. As water pipes age (especially steel pipes) corrosion and rust deposits form and cling to the inner walls of the pipes slowly constricting the inside diameter and limiting the amount of water or GPM (gallons per minute) that can flow through it. These deposits can and often break loose and flow to fixtures clogging the orifices that supply the fixture with water. Consider that the water supply fixtures being manufactured today are built with current technology and materials in mind. They are designed to work with newer piping materials such as plastics and other materials that don’t corrode like steel and copper. Today’s plumbing and water supply fixtures are built and manufactured to exacting standards with very close tolerances. They are extremely sensitive to any sort of debris; they can clog and or malfunction from it. Also the rust within the pipes is transferred to your water that you are bathing with or worse, drinking. Eventually the rust will eat completely through the iron pipe and you will experience leaks.

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