We have been seeing more and more water situations with buildings with older elevator systems. We have quite a few elevator pits that do not have sump pumps in pit in the Chicago area. The biggest issue with the elevator pit is it typically is the lowest point in the building and water will find its way into our pit dependent on the water table in the area. What do you do if you get water in the elevator pit and you do not have a sump pump in it? There are a few different solutions; inject pit walls, install drain tiles in the pit floor or the best solution is to install a sump pump.
What is the requirement
for an elevator sump pump? I’m glad you
asked.
In elevators provided with Fire Fighters Operation it is 3000gal/h per elevator. One elevator 3000gal/h, 2 elevators 6000gal/h, etc. The reason it is so high is because if there was a sprinkler in the pit, it would need to keep up with the sprinkler.
What happens if I don’t address the water issue in the elevator pit? You will begin to damage/corrode your elevator pit equipment, cylinder and piping which could lead to catastrophic failure if left unchecked and not addressed properly. You will also have all the environmental issues that go along with having stagnant water below your elevator and pushing air to each floor through the gaps in the doors. And then, there is the smell that comes with the water. Below is a picture of what happens to hydraulic lines if they are under water.
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If you have any questions or would like additional information feel free to contact me at CraigZ@colleyelevator.com or 630-766-7230 ext. 107.
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