Condo Building 1st Floor Vibrating Noise Coming From Wall

Loud hum from water pipe high rise condo.
Condo building 1st floor vibrating noise coming from wall. Upstairs condo is carpeted except for kitchen and baths. The front room floor does feel like its vibrating but perhaps the noise i am hearing gives the suggestion of vibration sounds like a bus engine idling in distance or the throb of engine when you are on a ferry but very low level. He expected it to be the pipes or electrical system making the odd sound. For the past few months i hear at intervals a loud buzzing or vibrating from the outside wall.
We hear foot steps from above plus vacuum cleaner noise lg. Its motor was turned off twice on different days yet the noise continued. Five years ago before that the kitchen pipe bursted and flooded the. It sounds like a pump running.
Dog playing and jumping chairs moving on tile floor in kitchen toilets flushing and tub draining closet doors closing. We hear no noise side to side. The noise lasts only a few seconds but it is loud. Instead ailion was shocked to discover some new residents.
At night when all is quiet it s horrendous as there are no other noises to mask it. When one of bruce ailion s clients told the atlanta based realtor that he heard a buzzing noise coming from his walls ailion cracked the plaster to take a look. I ve been hearing a vibrating motor sound throughout the entire house in the walls. I ve been living here four years coming up in july and never heard this noise before.
Our condo has double concrete block fire walls. Lemonplumber fl if the building changed out the pump configuration or type they may need to install isolators on the main at the pump connections to alleviate this noise but do get them to look at this problem closely as noise vibration may also be causing damage to this tubing with luck it will be something simple like a partially. I m in a quandary. It s the loudest through a wall that separates the master bath and the stairwell.
When a single ac unit turns on i get vibrations through the walls. My home is a 2 story built in 1987. Man came out and ruled out the gas electric equipment on the side of the building even though the equipment is above the wall where the noise is concentrated. People who have lived in apartments or condominiums are familiar with noise created by other occupants of the building and likely have experience with condominium noise complaints.
The builders put spring lifters on the ac units but this didnt help. We just had a new water heater installed about 10 months prior after our old one leaked and started to flood the garage. The issue is with the vibrating tubes from the roof units which go down through the walls.