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simonfuller1  
#1 Posted : 26 February 2013 12:16:52(UTC)
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simonfuller1

hi folks have a slight problem with lead in paint in a refurbishment of a historic building we have a pb level of 10% in ceiling paint. I'm the cdmc on the project anybody with experience of dealing with pb in listed buildings and refurbished and used as public venues. thoughts welcome simon
Ron Hunter  
#2 Posted : 26 February 2013 12:58:40(UTC)
Rank: Super forum user
Ron Hunter

You haven't described a scope of work? Wet-strip is the only practical and safe method for removal, but do you need to remove it? It could be overpainted (via a keying wash-coat if required). Otherwise, the info you have should be logged in the H&S File for the Structure.
simonfuller1  
#3 Posted : 26 February 2013 13:45:45(UTC)
Rank: Forum user
simonfuller1

thanks for the response , ok the Project is the introduction of large amounts of steelwork to essentially maintain the building in an upright condition, to take additional loads that a tenant will be placing in the building, which is listed. The work involves punching through floors from sub basement to 2nd floor and inserting vertical steels to new pad foundations. concerning your comment about wet strip, thats probably will be sub tendered to a specialist contractor but interested in sealing surfaces with keying wash coat and then over paint. with regard to the hsf file ,yes agree with your comment about stick the info in the hsf no problem with that any ideas over when we need to get concerned with the levels of PB in paint is there a rule of thumb that says 0.05% safe ??
grim72  
#4 Posted : 26 February 2013 14:29:42(UTC)
Rank: Super forum user
grim72

Ron Hunter  
#5 Posted : 26 February 2013 15:35:51(UTC)
Rank: Super forum user
Ron Hunter

Some useful guides available at: http://www.coatings.org.uk/ (search lead paint). As a rough method I'd go with wet-strip of the areas where the steel work is to project thru' and a careful cut through of these stripped areas with a pad saw (I'm assuming lath and plaster) so that the larger area is kept intact. All very well in theory of course, but the remedial steel works suggests some prior movement. Lath and plaster has an occasional nasty habit of falling to the floor unexpectedly if it has been disturbed. Whether by previous movement or as a result of the impacts and vibrations of renovation works. In these situations, we tend to be left to ponder the "reasonably foreseeable" against the "so far as is reasonably practicable." Only you will know the extent and condition. Sometimes it's better to take a ceiling down than to have it fall on you. Having tackled some relatively small l&p ceilings myself I can confirm that this is a nasty, messy job!
boblewis  
#6 Posted : 26 February 2013 19:20:35(UTC)
Rank: Super forum user
boblewis

Just remove the affected plaster in toto - do not strip off the paint. If you do not spearate the paint from the plaster as you will the have hazardous waste to dispose of. Adhered to the plaster it will be less than 0.1% of the total weight. You also have less water floating about!! Been there done it and have umpteen campaign medals for Norman piles through to 1930s listed hotels Bob
boblewis  
#7 Posted : 26 February 2013 19:22:35(UTC)
Rank: Super forum user
boblewis

Oh for an edit!!! Second sentence should have read "If you do separate the paint from the plaster you will......" AARRGGHH Bob
Bruce Sutherland  
#8 Posted : 26 February 2013 20:48:02(UTC)
Rank: Forum user
Bruce Sutherland

If you need to prime the paint for coating then if you disolve a dishwasher tablet in water and wet and dry paper then you will find that something in the dishwater tablet apparently chelates the lead and there is minimal dust release... kind regards Bruce
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