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Mortuary Extract

Mortuary Extract

Mortuary Extract

(OP)
Any body (No pun intended) got any info on mortuary extract ventilation.

Do I need to filter the exhaust with a safe change HEPA filter system?

What sort of air change do I need.

Does anyone have a list of manufacturers who make ventilated disecting tables.

Are there high risk and low risk mortuaries..i.e. ones for low risk 'patients' and high risk (I.E. people who have TB, AIDS etc) or should the mortuary be treated as all high hazard.

Friar Tuck of Sherwood

RE: Mortuary Extract

odd questions ya have.  are you planning a "prep" room design?   Most prep rooms have normal ac units with a simple exhaust fan.  Is your concern a formaldehyde issue or decomp issue?  if it is decomp issue have to ask the question why ya worried?   What ya gonna hide?  Anyway, formaldehyde is heavier than air so exhaust fans should be at base of prep table and also at ground level.  As far as high risk low risk issue goes using universal precaution is standard rule. Treat every body as if it is infectious.  I must add that one does not have to look ill to be dead of an infectios disease.  I have numerous cases  that proves that.  

RE: Mortuary Extract

Safe change is usually required and make sure the Carbon Filter is for this exact purpose!
A Gen purpose carbon doesnt work!
Air changes subject to your room or table size but all NHS centres I have seem cope well using a single 600x600x300 filter or a v formation to increase "dwell time"

You will usually also require a Pre filter G4 and a secondary filter F7, then HEPA H13 OR higher depending on "special requirements"

RE: Mortuary Extract

Mopec and Thermo Electron make some nice stuff.

RE: Mortuary Extract

I worked in a mortuary many years ago. The embalming room had no special exhaust.  Bodies rarely have a strong odor after they are embalmed.  The embalming materials have strong but unoffensive odors. If you are trying to eliminate that characteristic funeral home smell, general exhaust should be sufficient sized as it would be for toilet rooms.  

RE: Mortuary Extract

2 cfm/sq.ft.
25% taken high near ceiling, 25% taken low at floor,
& 50% taken at counter top height at the foot of the prep bed above the drain.
All supply from ceiling across the room from exh. intakes.
Also throw in an additional 24/7 toilet room fan (50-100 cfm) to keep the entire room negative when not occupied (by limber or timber).
I've designed a number of these & have had good luck using ERV's or HRV's for the exhaust air & tempering the supply with some electric duct heaters.
A/C can be done as well by delivering ERV air into an airhandler with a matching airflow, or with a Mr.Slim or similar mini split A/C or Heatpump.

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