water seepage in Control room
water seepage in Control room
(OP)
Hi,
We are pulling the cable to control room from outdoor through wall opening as shown in the snap below. When raining, there is a water seepage into control room where there are sensitive equipment and monitor.
we are still halfway through in engineering. So I don't want to seal the wall opening at the moment. But Client asking us to seal the opening as there will be water seepage.
I want to know some temporary option to seal the opening for now and open it when require for additional cables to pull through. I want to seal permanently later once our engineering is firm on there will be no more cables to pull in future.
Give me your suggestions please....
We are pulling the cable to control room from outdoor through wall opening as shown in the snap below. When raining, there is a water seepage into control room where there are sensitive equipment and monitor.
we are still halfway through in engineering. So I don't want to seal the wall opening at the moment. But Client asking us to seal the opening as there will be water seepage.
I want to know some temporary option to seal the opening for now and open it when require for additional cables to pull through. I want to seal permanently later once our engineering is firm on there will be no more cables to pull in future.
Give me your suggestions please....

RE: water seepage in Control room
" ....I want to know some temporary option to seal the opening for now and open it when require for additional cables to pull through. I want to seal permanently later once our engineering is firm on there will be no more cables to pull in future...."
I am suggesting installation one or numerous PVC pipe elbow sized sufficient for future additional cables. You can seal them permanently watertight even at this early stage; if you had allowed for sufficient room for future cables.
Attention: It shall be of PVC (non-metallic) material with the outdoor end facing downwards.
Che Kuan Yau (Singapore)
RE: water seepage in Control room
RE: water seepage in Control room
Then just install them as needed replacing the blanks with holes of the right size
Remember - More details = better answers
Also: If you get a response it's polite to respond to it.
RE: water seepage in Control room
RE: water seepage in Control room
RE: water seepage in Control room
RE: water seepage in Control room
You have a few options:
Roxtec is a leading manufacturer of cable transit blocks. https://www.roxtec.com/
You could install short lengths of conduit in the wall with caps/plugs. When you're ready to pass a remove the cap/plug and replace with a cord grip or caulk the cable into the tube.
If you can run your cables downhill or add a drip loop then you can install a hood over the cable penetration and you won't need any waterproofing at all.
RE: water seepage in Control room
I refer to my earlier post dated 5 Jan 23 09:44, I wish to add the following for your consideration:
1. that the PVC elbow(s) can be easily permanently sealed to per IEC IP code "degree of protection" IP 68.
Note: In EE, IP Code is used internationally, but in the (building industry and in the US) this terminology may [not used or having other codes].
2. Any other methods would invariably encounter problems to ensure fully seal the gaps between the conductors. Not to mention that you are going to remove it for insertion of more conductors as the project progresses.
3. Attention: Do NOT install short lengths of metallic conduit. It shall be of non-metallic material.
Che Kuan Yau (Singapore)
RE: water seepage in Control room
Nice tip, che.
Muthu
www.edison.co.in