Hygenic taps in a post COVID-19 world
Prompted by a couple of tweets on post COVID-19 needs, I have been thinking about improving taps so that you don't need to touch them! #socialdistancing
You could conceivably wash your hands after touching a push down timed-flow tap, though I find it awkward to do so.
Sensor taps have a couple of issues:
- They require electricity
- In my experience they often do not work
- There is no way to override them to work if the sensor fails
- Of course they are much more expensive than a basic tap
Ideally there would be an inexpensive tap with a mini hydro turbine powering a reliable sensor to dispense water once your hands are near it. I haven't heard or seen such a product. Have you?
Foot controlled system; Pros: pure mechanics, no electricity. Kudos to my dear friend Felix for the link.
Cons: How the hell do you clean the foot trigger? Difficult with wheelchair users.
Seen as the traditional option with the main drawback being you still have to touch them with your elbow..
Big disadvantage is that they are not water saving since it won't turn off automatically!
Typically single lever unlike the ones above.
NHS Hospital pattern
The Health Technical Memorandum 64 stipulates:
Hospital pattern basins should be used in clinical procedures with safe, integral thermostatically (TMV3 D08) controlled water and wall-mounted single lever-action or sensor taps with concealed/ducted services.
proximity sensor are now an alternative to lever-action taps.
Sensor-controlled fittings are ideally suited to control the flow of water at scrub-up troughs and can offer the additional benefit of controlled runtimes. The relationship between the taps and the trough is critical in order to avoid splashing.
Furthermore "Spray-type mixer taps are not recommended in healthcare premises; therefore, the type of tap should be carefully selected to minimise the formation of water droplets and aerosols."
Interesting the stipulates wall mounted fittings and basins without tap holes.
The fitting and basin combination should be such that the water stream never discharges directly into the basin's waste outlet
Point-of-use (POU) filter – a filter with a maximal pore size of 0.2 μm applied at the outlet, which removes bacteria from the water flow.