Pianotech

Expand all | Collapse all

Rodent droppings in consol Baldwin.

  • 1.  Rodent droppings in consol Baldwin.

    Registered Piano Technician
    Posted 26 days ago

    Hi.  I've been fortunate in not having to deal with this issue for quite some time.  Is anyone familiar with the most current protocols in (not) handling mouse waste in consol piano?  Alternatively, anyone fluent in using the Journal archives?

    Thanks



    ------------------------------
    David Skolnik [RPT]
    Hastings-on-Hudson NY
    (917) 589-2625
    ------------------------------


  • 2.  RE: Rodent droppings in consol Baldwin.

    Registered Piano Technician
    Posted 25 days ago

    David,

    I recently had to clean up a nasty mess. However it was only to the extent of getting the piano playable, not to return it to nice condition. It was really bad. All the keys had poop jammed between them so they wouldn't move, plus a substantial mouse nest (no live mouseketeers though). 

    I wore a mask, rubber gloves, old clothes (that got washed immediately after), and used my shop vac with a bag inside to contain it. 

    I'm still alive...and this was about 5-6 weeks ago.  Draw your own conclusions. 

    Peter Grey Piano Doctor 



    ------------------------------
    Peter Grey
    Stratham NH
    (603) 686-2395
    pianodoctor57@gmail.com
    ------------------------------



  • 3.  RE: Rodent droppings in consol Baldwin.

    Registered Piano Technician
    Posted 25 days ago

    Mice can potentially spread several diseases, the main concern being hantavirus. Hantavirus is spread through airborne particles from the urine and droppings. This makes it particularly dangerous to vacuum out the piano if the mouse was infected. 

    Hantavirus can only survive for a few days after leaving the mouse, so my protocol is to wait until there have been no signs of mice for at least a month, then I spray everything down with Lysol. Only after that point do I don gloves and a mask and vacuum out the piano. Or better yet, have the client do it if they're willing (you'd be surprised how many people are).

    While rare, hantavirus can be deadly if the mice were infected with it. I know a technician who contracted it after cleaning out a piano. He was in the hospital for three months and was at home recovering for another three. The hundred bucks he made from cleaning out the piano didn't even come close to replacing half a year's income and paying the medical bills. Needless to say, he refused to work on any mouse-infested pianos after that. 



    ------------------------------
    Benjamin Sanchez, RPT
    (256) 947-9999
    www.professional-piano-services.com
    www.FromZeroToSixFiguresBook.com
    www.PianoCraftTechnicalSchool.com
    ------------------------------



  • 4.  RE: Rodent droppings in consol Baldwin.

    Registered Piano Technician
    Posted 25 days ago

    I found an article by John Granholm in the November 2010 Journal discussing hantavirus.

    I'd not vacuum. 

    I state: "This does not cover mold removal or removal of any animal related debris." on the cleaning description on my website.



    ------------------------------
    Elisha Katamura RPT
    Fresno CA
    (559) 765-7373
    ------------------------------



  • 5.  RE: Rodent droppings in consol Baldwin.

    Registered Piano Technician
    Posted 25 days ago

    Hantavirus is mostly found in field mice and wild rodents.  In North America it is called Sin Nombre virus: "Sin Nombre virus (is usually carried) by the western deer mouse (Peromyscus sonoriensis).[2][4]

    From Wikipedia: "They can survive for 10 days at room temperature,[2] 15 days in a temperate environment,[23] and more than 18 days at 4 °C (39 °F), which aids in the transmission of the virus." (this is under ideal conditions, the inside of a piano is not an ideal condition)

    If the droppings are more than a few days old the virus is likely inactivated. Wearing a face mask and using a disinfectant is probably safe enough.  Lysol spray disinfectant has been tested and is adequate.  The risk is from an active infestation with wild field mice, not usually house mice.  If house mice were transmitting this disease you would probably hear about it in the news.

    I have cleaned up several bad rodent infestations and am still alive.



    ------------------------------
    Blaine Hebert RPT
    Duarte CA
    (626) 390-0512
    ------------------------------



  • 6.  RE: Rodent droppings in consol Baldwin.

    Registered Piano Technician
    Posted 25 days ago

    Here are the CDC recommendations for clean up: https://www.cdc.gov/healthy-pets/rodent-control/clean-up.html

    Since most of these viruses are enveloped viruses they are easily disinfected with any reputable disinfectant such as hypochlorus acid, benzalkonium chloride or dimethyl ammonium chloride.  Lysol is a well tested disinfectant.  Even alcohol or a kitchen detergent is usually effective.



    ------------------------------
    Blaine Hebert RPT
    Duarte CA
    (626) 390-0512
    ------------------------------



  • 7.  RE: Rodent droppings in consol Baldwin.

    Registered Piano Technician
    Posted 24 days ago
    Blaine 

    When I wrote an article on Hantavirus entitled Of Mice and Men and Pianos for the Journal many moons ago, the CDC recommendations included spraying the affected areas with bleach. Due to the corrosive nature of bleach, my article suggested using a spray bottle with rubbing alcohol instead. It's readily available in the pharmacy areas of super centers and home markets. As has been pointed out, the virus has a relatively short time when it's able to infect and the virus particles are neutralized by the alcohol. Removing the wet mess also helps keep down airborne dust particles. Inhaling the airborne particles is how the disease is spread.  I think I wrote the article in 1994.





  • 8.  RE: Rodent droppings in consol Baldwin.

    Registered Piano Technician
    Posted 24 days ago

    First, thanks to everyone who replied and provided guidance, even if seemingly conflicting.  Taking from Norman's post, here's the (a) problem:

    Even if the alcohol can be applied without causing colateral damage, the "wet mess" is too dispersed to effectively collect and eliminate by means other than a vacuum.  When he, and others, express concern for generating air-borne particles, are we suggesting that the vacuuming process itself will do that?  Even if a HEPA or near-HEPA device is used?  It sounds like both Blaine and Norman agree that the active life of the virus is relatively short, even without the alcohol application. 

    My more personal concern (as in,for myself) regards any subsequent precautions I would exercise when (or if) doing further work on the instrument.  First order would be as total a clean as can be done in the home.  That would allow for a thorough assessment of its condition to either determine the wisdom of undertaking the effort or prepping it for donation/disposal.  Piano is a Baldwin Consol Model 601 from 1958;  not well cared for, but that's irrelevant if it can work.  I have one question, (which I should probably post separately) for anyone who is familiar with this model:  is there actually a way to remove the keyslip?  Even with the overly tight screws removed from the underside of the keybed, it's 'frozen', seemingly part of the case structure, which wouldn't be so bad, except that something has happened to cause many of the naturals to bind in front.  My working assumption is that, at some time in its 50 years, the balance rail shifted forward... it wouldn't take much.  Shimming the keyslip would be the quick solution (if do-able).  Going at the balance rail wouldn't happen until thorough-clean is done.

    Thanks again.

    Thanks



    ------------------------------
    David Skolnik [RPT]
    Hastings-on-Hudson NY
    (917) 589-2625
    ------------------------------



  • 9.  RE: Rodent droppings in consol Baldwin.

    Registered Piano Technician
    Posted 24 days ago

    If I remember correctly, the key slip is a truncated T with it sliding into the keybed. You might take out the cheek blocks and tap the back of the key slip at the keybed.



    ------------------------------
    Larry Messerly, RPT
    Bringing Harmony to Homes
    www.lacrossepianotuning.com
    ljmesserly@gmail.com
    928-899-7292
    ------------------------------



  • 10.  RE: Rodent droppings in consol Baldwin.

    Registered Piano Technician
    Posted 24 days ago

    That makes sense. I'll give it a try.  Thank goodness you didn't have anything useful to do this morning, beyond keeping warm.



    ------------------------------
    David Skolnik [RPT]
    Hastings-on-Hudson NY
    (917) 589-2625
    ------------------------------



  • 11.  RE: Rodent droppings in consol Baldwin.

    Registered Piano Technician
    Posted 24 days ago

    Norman,

    I don't want to be the cause of someone's ER visit and am not a medical doctor, so take my advice with appropriate seasonings.

    The doctors see patients that are already in distress and the scary statistics are likely skewed, plus no one wants to recommend careless behavior that gets someone killed. That said, I have seen one study that tested outdoor workers (electricians, plumbers, gardeners, rangers) and found a high level of immunity to Hantavirus in areas where it exists.

    In most cases we are seeing rodent infestations that may be many years old and the real risk is probably low. A good spray with a decent disinfectant (besides chlorine) should be safe enough... unless you are chasing rodents out of the piano.

    Below is my current project.



    ------------------------------
    Blaine Hebert RPT
    Duarte CA
    (626) 390-0512
    ------------------------------



  • 12.  RE: Rodent droppings in consol Baldwin.

    Posted 25 days ago

    Mouse nest are a significate issue in northern MN. Our extreme cold winters drive them in doors. I have cleaned them multiple time. Mice are creative to bring pet food into the piano for their food, they also use the felt for nice warm bedding and what ever they call find. I emptied my vacuum into a into a paper bag and burnt it in a trash barrel. As with many of the other replies, our sanitation is of utmost importance. When cleaning, don't forget to clean under the keys to complete the job. Urine on the center pivots become sticky and can rust from the acidic nature.



    ------------------------------
    Garry Gambill
    Greenbush MN
    12184520223
    ------------------------------



  • 13.  RE: Rodent droppings in consol Baldwin.

    Registered Piano Technician
    Posted 25 days ago

    In my case the mice were long gone. The piano will probably go to the dump now. It served its purpose to allow a dying mother to be played to sleep by her daughter on the piano she loved. Now its over and the piano can also go back to the ground.  

    Peter Grey Piano Doctor 



    ------------------------------
    Peter Grey
    Stratham NH
    (603) 686-2395
    pianodoctor57@gmail.com
    ------------------------------