Municipal Backup

The installation of a tank that is filled automatically when it rains. This will require the installation of suitable guttering and piping to transport rainwater to the tank.

The Benefits

Municipal Backup offers you a pressured water feed solutions, providing you with an uninterrupted water supply at all times.

The best way to avoid the inconvenience of water interruptions is by installing a Municipal Back Up system. This offers you a change to reduce your reliance on regulated water, with the added bonus that you still have access to client and no additional filtration is needed (like rainwater harvesting).


Municipal Backup Component Structure

For a basic system you will require the following:

  1. Tank - Standard tank ¬fittings (inlet/over-fl ow and outlet) are included in the price.
  2. Base / plinth
  3. Pump
  4. Pipes -Assumed ¾ inch galvanized pipes.
    • 25 mm diameter (minimum) – from tank to gate valve, to pump.
    • 20 mm diameter (minimum) – from pump to house, to cut into mains.
    • Supply tank with municipal feed to float valve at the top of the tank.
  1. Elbow – Sizes according to pipes
  2. Gate Valves – To isolate components/manage system.
  3. Non return valve
  4. Float valve - To control the fill height of the tank.


How to Maintain Your Municipal Backup Systems

  1. Keeping your tank Clean - Inspect the inside of the tank every 3 months to make sure that everything is ok. It should be clean and if not find the reason why. Your lid might be loose or an overflow pipe not covered correctly.
  2. Water Quality - In ideal circumstances municipal water can be stored inside a JoJo tank for extended periods due to the fact that it is chlorinated. To keep your water Fresh It is however recommended to rotate the water every two weeks to ensure that the best quality water is available.
    Draw up a roster for your tank and rotate/circulate the water at your set interval by using the water to wash your car, fill up the pool, water the garden etc. to get the water level down inside your tank, thereafter you can fill it up with fresh municipal water. (reusable content to be inserted below).

Installation of Municipal Backup System


Choose a tank

How to calculate what size tank would be sufficient for Municipal Back Up:

People 1 2 3 4 5
Litres/ day 150 300 450 600 750

Size of tank = litres p/day X total days back up required i.e. 4 people (600L) X 3 days = 1800L

Tank placement

Should be placed where municipal supply can be intercepted, before entering the house.

Base / foundation

Tanks must be installed on a sound, level and smooth surface. Level paving will suffice, or a properly designed tank stand, alternatively a concrete plinth needs to be built. Ideally the plinth should be covered by a concrete topping at least 85mm thick.

It is recommended that the foundation should be at least 100mm wider than diameter of tank.

750 L 860 mm
500 L 1510 mm
2 200 L 1520 mm
2 500 L 1520 mm
5000 L 1920 mm
10000 L 2300 mm

For installation of your municipal backup system, contact a preferred installer in your area. Installers are listed here.



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